WO2003066692A1 - Agent liant et modificateur de rheologie - Google Patents
Agent liant et modificateur de rheologie Download PDFInfo
- Publication number
- WO2003066692A1 WO2003066692A1 PCT/FR2003/000317 FR0300317W WO03066692A1 WO 2003066692 A1 WO2003066692 A1 WO 2003066692A1 FR 0300317 W FR0300317 W FR 0300317W WO 03066692 A1 WO03066692 A1 WO 03066692A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- monomers
- function
- monomer
- chosen
- acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D17/00—Pigment pastes, e.g. for mixing in paints
- C09D17/004—Pigment pastes, e.g. for mixing in paints containing an inorganic pigment
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/45—Anti-settling agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
Definitions
- the present invention relates to the technical sector of mineral fillers used in particular in the field of paint and plastics and more particularly the field of thermoplastics loaded with mineral matter.
- the invention relates, firstly, to a copolymer having simultaneously the function of binding agent and the function of rheology-modifying agent of aqueous suspensions of pigments and / or mineral fillers, which makes it possible, in a process for preparing grains of reconstituted mineral pigments and / or fillers, formed of elementary particles resulting from a wet or dry process, obtaining grains of reconstituted mineral pigments and / or fillers, formed of elementary particles having a BET specific surface area between 0.5 m 2 / g and 200 m / g determined according to ISO 9277, compatible with thermoplastic resins, in particular with PVC resins (polyvinyl chloride resins), that is to say which allows the obtaining agglomerated pigments and / or mineral fillers which can easily be redispersed in said resins.
- PVC resins polyvinyl chloride resins
- rheology modifying agent a compound capable of increasing or decreasing the Brookfield TM viscosity of a suspension of mineral materials when this compound is added to the suspension in an amount ranging from 0.1% at 10% by dry weight relative to the dry weight of mineral matter.
- the invention relates to an agent for modifying the rheology of aqueous suspensions of pigments and / or mineral fillers having simultaneously a function of binding agent which makes it possible to obtain agglomerated pigments and / or mineral fillers which can be easily redispersed in the thermoplastic resins, in particular in PVC resins (polyvinyl chloride resins).
- the invention also relates to a grinding aid agent for aqueous suspensions of pigments and / or inorganic fillers having simultaneously a function of binding agent which makes it possible to obtain agglomerated pigments and / or inorganic fillers which can be easily redispersed.
- thermoplastic resins in particular in PVC resins (polyvinyl chloride resins).
- grinding aid agent a viscosity depressant compound further facilitating grinding, that is to say facilitating the reduction in the particle size of the particles of mineral matter in suspension when this compound is added to the suspension in an amount ranging from 0.1% to 10% by dry weight relative to the dry weight of mineral matter.
- the invention also relates to the use of said copolymers as a binding agent and rheology-modifying agent in a process for the preparation of pigment grains and / or reconstituted mineral fillers, formed from elementary particles resulting from a wet or dry manufacturing process.
- said copolymers in order to obtain reconstituted pigments and / or mineral filler grains, formed of elementary particles having a BET specific surface area between 0.5 m 2 / g and 200 m 2 / g determined according to ISO 9277 standard, compatible with thermoplastic resins, in particular with PVC resins (polyvinyl chloride resins).
- the invention also relates to the grains of pigments and / or reconstituted mineral fillers obtained by the use of said copolymer.
- the invention thus relates to the use of these grains of pigments and / or mineral fillers reconstituted in the fields using fine powders and in particular in the fields of paint and thermoplastic resins, and in particular the field of PVC resins.
- the invention also relates to thermoplastic resins and in particular PVC resins produced by the use of said pigments grains and / or mineral fillers.
- the invention relates to objects injected, molded or extruded from thermoplastic resins and in particular PVC resins manufactured by the use of said grains of pigments and / or mineral fillers.
- thermoplastic resins in particular PVC resins
- mineral fillers and / or pigments cheaper, in order to reduce the cost of the plastic material while improving, for example its thermal or mechanical properties.
- Mineral fillers and / or pigments such as, for example, natural or synthetic calcium carbonate, dolomites, magnesium hydroxide, kaolin, talc, gypsum, or even titanium oxide, are usually incorporated in the polymer matrix, by a person skilled in the art, in the form of a fine powder or of masterbatch.
- the Applicant has unexpectedly found that the use of a copolymer composed in part of carboxylic groups, as an agent having simultaneously a function of binding agent and a function of rheology modifying agent for aqueous suspensions of pigments and / or mineral fillers, has made it possible to obtain agglomerated pigments and / or mineral fillers which can easily be redispersed in said resins.
- binding efficiency of said polymer used as a binding agent modifying the rheology of aqueous suspensions of pigments and / or mineral fillers, is, evidently for the Applicant, proportional to the molecular weight of said copolymer, which does not this is not the case for the viscosity depressant efficiency or even for the grinding aid efficiency.
- the prior art essentially describes the use of load treatment agents which do not have a carboxylic function (EP 0 213 931, EP 0 359 362, EP 0 618 258, EP 0 628 609, FR 2,705,353) and not allowing finely ground mineral pigments and / or fillers or agents having only a carboxylic function (EP 0 418 683) and allowing only pigments and / or fillers too hard to be able to be obtained in the form of elementary particles easily redispersed in thermoplastic resins.
- a copolymer having simultaneously the function of binding agent and the function of rheology-modifying agent of aqueous suspensions of pigments and / or mineral fillers which allows, in a process for the preparation of pigment grains and / or reconstituted mineral fillers, formed of elementary particles from a wet or dry process, obtaining grains of pigments and / or reconstituted mineral fillers, formed of particles
- thermoplastic resins in particular with PVC resins (polyvinyl chloride resins), characterized in that it is made up, expressed by weight: a) from 3% to 75%, preferably from 4% to 70% of at least one monomer with a carboxylic function, b) from 97% to 25%, preferably from 96% to 30% of at least one monomer with a function acrylic or vinyl ester or amide, and c) from 0% to 5% of at least one acidic monomer containing the sulfur atom or the phosphorus atom or their mixtures, d) 0% to 5% by weight of at least a crosslinking monomer chosen from monomers having at least two ethylenic unsaturations, the total of the monomers a), b), c) and d) being equal to 100.
- PVC resins polyvinyl chloride resins
- the copolymer according to the invention simultaneously has the function of binding agent and the function of viscosity depressant agent for aqueous suspensions of pigments and / or mineral fillers, allowing, in a process for the preparation of grains of pigments and / or reconstituted mineral fillers, formed of elementary particles resulting from a wet or dry process, obtaining grains of pigments and / or reconstituted mineral fillers, formed
- the polymer according to the invention is characterized in that it consists, expressed by weight:
- the molecular weight of the homopolymers or copolymers is measured on the form of the polymer salified with ammonia and according to method (A) described below and will be called intrinsic viscosity throughout the rest of the present application and in the claims.
- the specific viscosity is then determined for each solution using a Schott AVS / 500 viscometer equipped with a Ubbelohde tube of reference 53010/1 and constant 0.01 and the curve is drawn ((specific viscosity) / concentration] as a function of concentration.
- Intrinsic viscosity Limit (of the ratio of the specific viscosity to the concentration) when the concentration tends towards zero. (Macromolecular Chemistry II, Edition 1972, Chapter IV, p 211 to 259).
- copolymer according to the invention simultaneously has the function of binding agent and the function of agent for grinding aid of aqueous suspensions of pigments and / or mineral fillers, allowing, in a preparation process grains of reconstituted pigments and / or mineral fillers, formed of elementary particles resulting from a wet or dry process, obtaining grains of reconstituted pigments and / or mineral fillers, formed of elementary particles having a BET specific surface area of between 0.5 m / g and 200 m 2 / g determined according to ISO 9277, compatible with thermoplastic resins, in particular with PVC resins (polyvinyl chloride resins), copolymer according to the invention is characterized in that it consists, expressed by weight:
- the monomer or monomers with a carboxylic function are chosen from anionic monomers with ethylenic unsaturation and with a monocarboxylic function such as acrylic or methacrylic acid or alternatively hemiesters of diacids such as C 1 to C monoesters of maleic or itaconic acids, or their mixtures, or are chosen from anionic ethylenically unsaturated monomers with a dicarboxylic or sulfonic or phosphoric or phosphonic function or their mixture chosen from ethylenically unsaturated monomers with a dicarboxylic function such as itaconic or maleic acid, or alternatively anhydrides of carboxylic acids, such as maleic anhydride, b) the monomer or monomers containing an acrylic or vinyl ester or amide function are chosen from acrylamide or methacrylamide, whether or not substituted or their derivatives and mixtures, or alternatively from one or more non-water-soluble monomers such as alkyl acrylates
- the acid monomer (s) containing the sulfur atom or the phosphorus atom or their mixtures are chosen from ethylenically unsaturated monomers with a sulfonic function such as acrylamido-methyl-propane-sulfonic acid, sodium methallylsulfonate, vinyl sulfonic acid and styrene sulfonic acid or alternatively are chosen from ethylenically unsaturated monomers with a phosphoric function such as ethylene glycol methacrylate phosphate, propylene glycol methacrylate phosphate, acrylate phosphate ethylene glycol, propylene glycol acrylate phosphate and their ethoxylates or alternatively are chosen from ethylenically unsaturated monomers with a phosphonic function such as vinyl phosphonic acid, or mixtures thereof,
- a sulfonic function such as acrylamido-methyl-propane-sulfonic acid, sodium methallyl
- the monomer (s) having at least two ethylenic unsaturations are chosen in a nonlimiting manner from the group consisting of ethylene glycol dimethacrylate, trimethylolpropanetriacrylate, allyl acrylate, allyl maleates, methylene -bis-acrylamide, methylene-bis-methacrylamide, tetrallyloxyethane, triallylcyanurates, allyl ethers obtained from polyols such as pentaerythritol, sorbitol, sucrose or others.
- the copolymer used according to the invention is obtained by known methods of radical copolymerization.
- This copolymer obtained in acid form and optionally distilled must be totally or partially neutralized by one or more neutralizing agents having a monovalent neutralizing function or a neutralizing function polyvalent such as for example for the monovalent function those chosen from the group consisting of alkaline cations, in particular sodium, potassium, lithium, ammonium or primary, secondary or tertiary aliphatic and / or cyclic amines such as by example stearylamine, ethanolamines (mono-, di, triethanolamine), mono and diethylamine, cyclohexylamine, methylcyclohexylamine or even for the polyvalent function those chosen from the group consisting of divalent alkaline earth cations, in particular magnesium and calcium, or even zinc, as well as by trivalent cations, in particular aluminum, or also by certain cations of higher valence.
- Each neutralization agent then intervenes according to the stoichiometry specific to each valence function.
- this copolymer is neutralized by the ammonium ion.
- the copolymer resulting from the copolymerization reaction can optionally before or after the total or partial neutralization reaction, be treated and separated into several phases, according to static or dynamic methods known to those skilled in the art, with one or more polar solvents belonging in particular to the group consisting of water, methanol, ethanol, propanol, isopropanol, butanols, acetone, tetrahydrofuran or their mixtures.
- one or more polar solvents belonging in particular to the group consisting of water, methanol, ethanol, propanol, isopropanol, butanols, acetone, tetrahydrofuran or their mixtures.
- One of the phases corresponds to the copolymer used according to the invention as a binding agent modifying the rheology of mineral materials in aqueous suspension.
- the invention also relates to the use of said copolymers as a rheology-modifying agent for aqueous suspensions of pigments and / or mineral fillers having simultaneously the function of binding agent and making it possible to obtain grains of pigments and / or mineral fillers reconstituted and formed of particles.
- the total of the monomers a), b), c) and d) being equal to 100% is characterized in that said copolymer is used at a rate of 0.1% to 10% by dry weight relative to the dry weight of pigments and / or mineral fillers, and is characterized in that the agglomerated grains are redispersible in thermoplastic resins, in particular with PVC resins (polyvinyl chloride resins), that is to say in that it There are less than 3 grains with a diameter greater than or equal to 0.2 mm in the redispersion test based on the protocol for measuring the power of dispersion of microgranules in PVC resins.
- PVC resins polyvinyl chloride resins
- the invention also relates to the use of said copolymers as viscosity depressant agent for aqueous suspensions of pigments and / or mineral fillers having simultaneously the function of binding agent.
- This use as a viscosity depressant is characterized in that said agent consists, expressed by weight: a) from 10% to 75% of at least one monomer with a carboxylic function, b) from 90% to 25% of at least one monomer with an acrylic or vinyl ester or amide function, c) from 0% to 5% d '' at least one acid monomer containing the sulfur atom or the phosphorus atom or their mixtures, d) from 0% to 5% by weight of at least one crosslinking monomer chosen from monomers having at least two ethylenic unsaturations, the total of the monomers a), b), c) and d) being equal to 100%, is characterized in that said copolymer is used at a rate of 0.1% to 10% by dry weight relative to the dry weight of pigments and / or mineral fillers, and is characterized in that it has a molecular weight corresponding to an intrinsic viscosity of a value ranging from 5 ml / g to 20m
- the invention finally relates to the use of said copolymers as grinding aid agent having simultaneously the function of binding agent.
- This use as a grinding aid agent is characterized in that said agent consists, expressed by weight:
- the total of the monomers a), b), c) and d) being equal to 100% is characterized in that said copolymer is used at a rate of 0.1% to 10% by dry weight relative to the dry weight of pigments and / or mineral fillers, and is characterized in that it has a molecular weight corresponding to an intrinsic viscosity of a value ranging from 5 ml / g to 20 ml / g, and preferably from 7 ml / g to 15 ml / g, measured according to method (A), and is characterized in that the grains of pigments and / or agglomerated mineral fillers are redispersible in thermoplastic resins, in particular with PVC resins, that is to say in that '' there are less than 3 grains with a diameter greater than or equal to 0.2 mm in the redispersion test based on the protocol for measuring the power of dispersion of microgranules in PVC resins.
- the invention also relates to the grains of pigments and / or reconstituted mineral fillers obtained by the use of said copolymer.
- These reconstituted pigments and / or mineral filler grains are characterized in that they contain from 0.1% to 10% by weight, relative to the dry weight of pigments and / or mineral fillers, of the copolymer according to the invention.
- These reconstituted pigments and / or mineral filler grains are more particularly characterized in that the filler and / or the pigment is chosen from natural calcium carbonate such as in particular calcite, chalk or even marble, synthetic calcium carbonate also called precipitated calcium carbonate, the dolomites, magnesium hydroxide, kaolin, talc, gypsum, titanium oxide, or even hydrotalcite or their mixtures, or any other filler and / or pigment usually used used in the field of paints and / or plastics.
- the invention also relates to the use of these grains of pigments and / or mineral fillers reconstituted in the fields using fine powders and in particular in the fields of paints and / or thermoplastic resins and in particular the field of PVC resins and polyolefin resins.
- the invention also relates to thermoplastic resins and in particular PVC and polyolefin resins manufactured by the use of said grains of pigments and / or mineral fillers.
- These resins are characterized in that they contain, relative to the total weight of resin, from 1% to 85% by dry weight, preferably from 2% to 40% by dry weight, of grains of pigments and / or mineral fillers.
- the invention relates to objects injected, molded or extruded from thermoplastic resins and in particular PVC resins manufactured by the use of said grains of pigments and / or mineral fillers.
- the operation for obtaining agglomerated grains consists in a first step in the preparation of a suspension of pigments and / or mineral fillers comprising the pigment and / or the mineral filler, the copolymer used according to invention then various additives such as lubricants chosen from emulsions or suspensions of acid having from 8 to 30 saturated or unsaturated carbon atoms such as in particular emulsions or suspensions of stearic, behenic, palmitic acid and others, suspensions of fatty acid salts such as in particular suspensions of calcium or ammonium stearate, emulsions of oxidized polyethylene waxes or alternatively acrylic acid-ethylene copolymers; such as thermal or UV stabilizers commonly used in the PVC industry, namely salts of heavy metals including lead or even natural or synthetic compounds based on calcium, zinc, aluminum, magnesium, barium or others; such as dyes or colored pigments, impact modifiers or “processing aids” commonly used in the plastics field,
- lubricants
- This drying step can be carried out in one or two more or less progressive steps.
- thermoplastic resins can optionally be additivated using various constituents such as in particular lubricants, mineral stearates, and other components usually used. works in the field of plastics, before being used in thermoplastic resins.
- This example relates to the demonstration of the rheology-modifying property of the binder used according to the invention.
- the Brookfield TM viscosity of the suspension is determined before and after the addition of the binding agent.
- a sample of the suspension of calcium carbonate to be tested is recovered in a flask and after 10 minutes of stirring, the Brookfield TM viscosity is measured using a Brookfield TM viscometer type HBD-VI, at a temperature of 25 ° C and a rotation speed of 10 and 100 revolutions per minute with the appropriate mobile. The value of the Brookfield TM viscosity of the suspension is then obtained before adding the rheology modifier. After this measurement, the rheology-modifying binding agent is added.
- a suspension of calcium carbonate containing the binding agent is obtained and the Brookfield TM viscosity is measured using a Brookfield TM viscometer type HBD-VI, at a temperature of 25 ° C. and a rotation speed of 10 and 100 revolutions per minute with the appropriate mobile.
- the value of the Brookfield TM viscosity of the suspension is then obtained after the addition of the binder, the rheology modifier.
- This test illustrating the prior art, uses an aqueous suspension of chalk with a BET specific surface area equal to 4.5 m 2 / g determined according to ISO standard 9277, the dry matter concentration of which is equal to 69.1%. and whose particle size is such that on the one hand 61.8% of the particles have a diameter of less than 2 ⁇ m and on the other hand 21.7% of the particles have a diameter of less than 1 ⁇ m determined using a Sédigraph TM 5100 granulometer, and 1.0% by dry weight of a polymethyl methacrylate.
- This test illustrating the prior art, uses an aqueous suspension of chalk with a BET specific surface area equal to 4.5 m 2 / g determined according to ISO standard 9277, the dry matter concentration of which is equal to 69.1%. and whose particle size is such that on the one hand 61.8% of the particles have a diameter of less than 2 ⁇ m and on the other hand 21.7% of the particles have a diameter of less than 1 ⁇ m determined using a Sédigraph TM 5100 granulometer, and 1.0% by dry weight of a polyvinyl acetate sold under the name of Mowilith TM LDM by the company Clariant.
- Test # 3 This test, illustrating the invention, uses an aqueous suspension of chalk with a BET specific surface area equal to 4.5 m 2 / g determined according to standard ISO 9277, the dry matter concentration of which is equal to 69.1% and whose particle size is such that on the one hand 61.8% of the particles have a diameter of less than 2 ⁇ m and on the other hand 21.7% of the particles have a diameter of less than 1 ⁇ m determined using a granulometer Sédigraph TM 5100 type, and 1.0% by dry weight of a copolymer, neutralized to 100% by moles with ammonia and composed of:
- This test illustrating the invention, uses an aqueous suspension of chalk with a BET specific surface area equal to 4.5 m 2 / g determined according to standard ISO 9277, the dry matter concentration of which is equal to 69.1% and whose particle size is such that on the one hand 61.8% of the particles have a diameter of less than 2 ⁇ m and on the other hand 21.7% of the particles have a diameter of less than 1 ⁇ m determined using a granulometer of the Sédigraph TM 5100 type, and 1.0% by dry weight of a copolymer neutralized to 100% by moles with ammonia and composed of:
- Test # 5 This test, illustrating the invention, uses an aqueous suspension of chalk with a BET specific surface area equal to 4.5 m 2 / g determined according to standard ISO 9277, the dry matter concentration of which is equal to 69.1% and whose particle size is such that on the one hand 61.8% of the particles have a diameter of less than 2 ⁇ m and on the other hand 21.7% of the particles have a diameter of less than 1 ⁇ m determined using a granulometer Sédigraph TM 5100 type, and 1.0% by dry weight of a copolymer, neutralized to 100% by moles with ammonia and composed of:
- This test illustrating the invention, uses an aqueous suspension of chalk with a BET specific surface area equal to 4.5 m 2 / g determined according to standard ISO 9277, the dry matter concentration of which is equal to 69.1% and whose particle size is such that on the one hand 61.8% of the particles have a diameter of less than 2 ⁇ m and on the other hand
- 21.7% of the particles have a diameter of less than 1 ⁇ m determined using a Sédigraph TM 5100 type particle size analyzer, and 1.0% by dry weight of a copolymer neutralized to 80% by moles with sodium hydroxide and composed of:
- Test n ° 7 This test, illustrating the invention, uses an aqueous suspension of chalk with a BET specific surface area equal to 4.5 m 2 / g determined according to standard ISO 9277, the dry matter concentration of which is equal to 69.1% and whose particle size is such that on the one hand 61.8% of the particles have a diameter of less than 2 ⁇ m and on the other hand 21.7% of the particles have a diameter of less than 1 ⁇ m determined using a granulometer of the Sédigraph TM 5100 type, and 1.0% by dry weight of a copolymer neutralized to 100% by moles with ammonia and composed of:
- Reading Table 1 makes it possible to highlight the use of copolymer according to the invention as rheology modifying agent or as viscosity depressant agent when they have a molecular weight corresponding to an intrinsic viscosity of a value ranging from 5 ml / g to 20 ml / g, and preferably from 7 ml / g to 15 ml / g, measured according to the method (A) previously described.
- This example intended to illustrate the use of the copolymer according to the invention having simultaneously a function of binding agent and grinding aid agent, relates to the grinding of a suspension of natural calcium carbonate and more particularly a chalk of Champagne with a BET specific surface area equal to 2.6 m 2 / g determined according to ISO 9277 standard, 36% of the particles of which have a diameter of less than 2 ⁇ m determined using a granulometer of the Sedigraph type TM
- the grinding aid agent according to the invention to be tested is introduced into a 60% aqueous suspension in dry matter of a Champagne chalk of which 36% of the particles have a diameter less than 2 ⁇ m determined using a Sédigraph TM 5100 particle size analyzer.
- the suspension circulates in a mill of the Dyno-Mill TM type with fixed cylinder and rotating impeller, the grinding body of which consists of corundum balls with a diameter in the range 0.6 millimeter to 1 millimeter.
- the total volume occupied by the grinding body is 1,150 cubic centimeters while its mass is 2,900 g.
- the grinding chamber has a volume of 1400 cubic centimeters.
- the circumferential speed of the mill is 10 meters per second.
- the calcium carbonate suspension is recycled at the rate of 18 liters per hour.
- the outlet of the Dyno-Mill TM is provided with a 200 micrometer mesh separator making it possible to separate the suspension resulting from the grinding and the grinding body.
- the temperature during each grinding test is maintained at approximately 60 ° C.
- a sample of the pigment suspension is recovered in a flask.
- the particle size of this suspension (% of particles less than 2 ⁇ m and 1 ⁇ m) is measured using a Sedigraph TM 5100 particle size analyzer from the company Micromeritics.
- Brookfield TM viscosity of the suspension is measured using a viscometer
- Brookfield TM type RVT at a temperature of 23 ° C and rotational speeds of 10 rpm and 100 rpm with the right mobile.
- This test illustrating the invention, uses 0.20% by dry weight, relative to the dry weight of chalk, of a polymer neutralized 100% by ammonia, of intrinsic viscosity equal to 8.1 ml / g measured according to the above-mentioned method (A) and consisting of:
- This test illustrating the invention, uses 0.15% by dry weight, relative to the dry weight of chalk, of a polymer neutralized 100% by ammonia, of intrinsic viscosity equal to 11.2 ml / g measured according to the above-mentioned method (A) and consisting of:
- Reading the results of the various tests of the example shows the use of the copolymer according to the invention as a grinding aid agent when they have a molecular weight corresponding to an intrinsic viscosity of a value ranging from 5 ml / g to 20 ml / g, and preferably from 7 ml / g to 15 ml / g, measured according to the method (A) previously described.
- the purpose of this example is to illustrate that the agglomerated grains according to the invention are redispersible in thermoplastic resins and in particular in PVC resins.
- the PVC formulation used contains 100 parts of PVC resin sold under the name Evipol SH 6530 by European Vinyls Corp. (Italy).
- the output extradate is then a flat strip 40 mm wide guided with a calender with a “pull bench” index equal to 120.
- the dispersion of the reconstituted grains is considered to be good if less than 3 agglomerates with a diameter greater than or equal to 0.2 mm are present over a strip length of 20 cm. It is considered bad if at least three agglomerates of this diameter appear before 20 cm.
- Test No. 10 This test illustrates the prior art and uses a suspension of calcium carbonate obtained by the use of a homopolymer of acrylic acid with intrinsic viscosity equal to 8 ml / g.
- Countless agglomerates with a diameter greater than 0.2 mm appear on 20 cm of strip. We can also note a very bad surface appearance. The dispersion is considered to be bad.
- This test illustrates the invention and implements the grains reconstituted from the aqueous suspension of test No. 3.
- This test illustrates the invention and implements the grains reconstituted from the aqueous suspension of test No. 4.
- Test No. 13 This test illustrates the invention and uses the grains reconstituted from the aqueous suspension of test No. 5.
- This test illustrates the invention and implements the grains reconstituted from the aqueous suspension of test No. 6. No agglomerate appears on the 20 cm of strip. The dispersion is considered to be good.
- Test No. 15 This test illustrates the invention and uses the grains reconstituted from the aqueous suspension of test No. 7.
- This test illustrates the invention and uses the grains reconstituted from the aqueous suspension of test No. 8.
- This test illustrates the invention and uses the grains reconstituted from the aqueous suspension of test No. 9.
- the purpose of this example is to illustrate the mechanical properties obtained for a PVC resin containing reconstituted mineral filler grains, according to the invention.
- This test which is a control test, uses 15 phr of a Champagne chalk treated with an industrial quality stearic acid.
- This chalk before treatment has a BET specific surface area equal to 5 m 2 / g determined according to standard ISO 9277, and a particle size such that 60% of the particles have a diameter of less than 2 micrometers determined using a type particle sizer Sedigraph TM 5100.
- the value of the Charpy shock is determined by preparing a mixture comprising a PVC formulation and the mineral filler to be tested.
- the PVC formulation used contains 100 parts of PVC resin sold under the name Evipol SH 6530 by European Vinyls Corp. (Italy).
- This mixing is carried out in a 14-liter Papenmeier TM rapid mixer at a speed of 2,200 rpm corresponding to a circumferential speed of 25 m / s, under a temperature of 100 ° C-105 ° C the first five minutes then under a temperature lowered to 50 ° C by stirring at 600 rpm corresponding to a circumferential speed of 7 m / s.
- This gelation is carried out on a two-cylinder mixer of the Collin TM type (cylinder with a diameter equal to 150 mm and a width equal to 400 mm), with a cylinder speed of the order of 20 rpm to 24 rpm and a heating circuit temperature fixed at 195 ° C.
- a plate is then pressed in a mold under a compression press at 190 ° C for 2 minutes at 10 kN and for 3 minutes at 300 kN in order to obtain a plate on which the test piece is milled, whose impact resistance at 23 ° C is determined according to DIN 53453.
- the value obtained for the Charpy shock is 5.3 kJ / m 2 .
- a Champagne chalk having a BET specific surface equal to 2.2 m 2 / g determined according to standard ISO 9277, and a particle size such that 32.5% of the particles have a diameter less than 2 micrometers determined using a Sédigraph TM 5100 type particle size analyzer is first ground by the same procedure as that of Example 2 by introduction, of 0.2% by dry weight , based on the dry weight of chalk, of the polymer used in test No. 7.
- the aqueous chalk suspension thus refined then has a dry weight concentration of chalk equal to 60%, a BET specific surface area equal to 5.0 m / g determined according to standard ISO 9277, and a particle size such as 60.0% of the particles have a diameter of less than 2 micrometers determined using a Sédigraph TM 5100 particle size analyzer.
- the suspension After homogenization of the medium for 5 minutes, the suspension is dried, in the form of reconstituted grains, using a standard lance atomizer sold by Sacmi (Italy) and then the Charpy shock measurement in the same mode only in test n ° 18.
- the value obtained for the Charpy shock is 6.4 kJ / m 2 .
- a Champagne chalk having a BET specific surface equal to 2.2 m 2 / g determined according to standard ISO 9277, and a particle size such that 32.5% of the particles have a diameter less than 2 micrometers determined using a Sédigraph TM 5100 type particle size analyzer is first ground by the same procedure as that of Example 2 by introduction, of 0.2% by dry weight , based on the dry weight of chalk, of the polymer used in test No. 7.
- the aqueous chalk suspension thus refined then has a dry weight concentration of chalk equal to 60%, a BET specific surface area equal to 5.0 m 2 / g determined according to ISO standard 9277, and a particle size such as 60.0%. particles have a diameter of less than 2 micrometers determined using a Sédigraph TM 5100 particle size analyzer. 0.4% by dry weight, relative to the dry weight of chalk, of the same polymer is then added, as well as 1% by dry weight, relative to the dry weight of chalk, of an aqueous suspension of calcium stearate at 50%. dry matter.
- the suspension After homogenization of the medium for 5 minutes, the suspension is dried, in the form of reconstituted grains, using a standard lance atomizer sold by Sacmi (Italy) and then the Charpy shock measurement in the same mode only in test n ° 18.
- the value obtained for the Charpy shock is 6.3 kJ / m 2 .
- the value obtained for the Charpy shock is equal to 5.8 kJ / m 2 .
- a Champagne chalk having a BET specific surface equal to 2.2 m 2 / g determined according to standard ISO 9277, and a particle size such that 32.5% of the particles have a diameter less than 2 micrometers determined using a Sédigraph TM 5100 type particle size analyzer is first ground according to the same procedure as that of Example 2 by introduction, of 0.4% by dry weight , based on the dry weight of chalk, of the polymer used in test No. 7.
- the aqueous chalk suspension thus refined then has a dry weight concentration of chalk equal to 50%, a BET specific surface area equal to 8.6 m 2 / g determined according to ISO 9277, and a particle size such as 90% of the particles. have a diameter of less than 2 micrometers determined using a Sédigraph TM 5100 particle size analyzer.
- the suspension After homogenization of the medium for 5 minutes, the suspension is dried, in the form of reconstituted grains, using a standard lance atomizer sold by Sacmi (Italy) and then the Charpy shock measurement in the same mode only in test n ° 18.
- the value obtained for the Charpy shock is 6.8 kJ / m 2 .
- a Champagne chalk having a BET specific surface equal to 2.2 m 2 / g determined according to standard ISO 9277, and a particle size such that 32.5% of the particles have a diameter less than 2 micrometers determined using a Sédigraph TM 5100 type particle size analyzer is first ground according to the same procedure as that of Example 2 by introduction, of 0.4% by dry weight , based on the dry weight of chalk, of the polymer used in test No. 7.
- the aqueous chalk suspension thus refined then has a dry weight concentration of chalk equal to 50%, a BET specific surface area equal to 8.6 m 2 / g determined according to ISO 9277, and a particle size such as 90% of the particles. have a diameter of less than 2 micrometers determined using a Sédigraph TM 5100 particle size analyzer. 0.4% by dry weight, relative to the dry weight of chalk, of the same polymer is then added.
- the suspension After homogenization of the medium for 5 minutes, the suspension is dried, in the form of reconstituted grains, using a standard lance atomizer sold by Sacmi (Italy) and then the Charpy shock measurement in the same mode only in test n ° 18.
- the value obtained for the Charpy shock is equal to 6.6 kJ / m 2 .
- a Champagne chalk having a BET specific surface equal to 2.2 m 2 / g determined according to standard ISO 9277, and a particle size such that 32.5% of the particles have a diameter less than 2 micrometers determined using a Sédigraph TM 5100 type particle size analyzer is first ground according to the same procedure as that of Example 2 by introduction, of 0.4% by dry weight , based on the dry weight of chalk, of the polymer used in test No. 7.
- the aqueous chalk suspension thus refined then has a dry weight concentration of chalk equal to 50%, a BET specific surface area equal to 8.6 m 2 / g determined according to ISO 9277, and a particle size such as 90% of the particles. have a diameter of less than 2 micrometers determined using a Sédigraph TM 5100 particle size analyzer.
- the suspension After homogenization of the medium for 5 minutes, the suspension is dried, in the form of reconstituted grains, using a lance-type atomizer marketed by Sacmi (Italy) then by measuring the Charpy shock according to the same procedure as in test No. 18.
- the value obtained for the Charpy shock is equal to 7.0 kJ / m 2 .
- the purpose of this example is to illustrate that the agglomerated grains according to the invention are redispersible in polyolefin resins and in particular polyethylene resins.
- This mixture is prepared using a Buss TM PR 46 fitted with a twin-screw extender, then is brought to a charge rate equal to 25% in the aforementioned polyethylene resin and is extruded on a single-screw laboratory with the following parameters:
- the dispersion of the reconstituted grains is then considered to be good if no agglomerate with a diameter greater than or equal to 0.2 mm is present over a length of film of 20 cm. It is considered bad if at least one agglomerate of this diameter appears before 20 cm.
- the Applicant considers this dispersion test in polyethylene resins as an equivalent to the dispersion test in the PVC resins previously exemplified, the aim being to demonstrate that the agglomerated grains according to the invention are redispersible in polyolefin resins and inter alia in resins polyethylene.
- This test illustrating the invention, uses an aqueous suspension of chalk with a BET specific surface area equal to 3 m 2 / g determined according to ISO standard 9277, the dry matter concentration of which is equal to 35% with a Brookfield TM viscosity. equal to 225 mPa.s at 100 rpm and whose particle size is such that 50% of the particles have a diameter of less than 2 ⁇ m determined using a granulometer of the Sédigraph TM 5100 type, and 0.5% by dry weight of a copolymer neutralized to 80 mol% by sodium hydroxide and composed of:
- Test No. 26 This test, illustrating the invention, uses an aqueous suspension of chalk with a BET specific surface area equal to 3 m 2 / g determined according to standard ISO 9277, the dry matter concentration of which is equal to 30%. with a Brookfield TM viscosity equal to 166 mPa.s at 100 rpm and the particle size of which is such that 50% of the particles have a diameter of less than 2 ⁇ m determined using a granulometer of the Sédigraph TM 5100 type, and 0.8% by dry weight of a copolymer neutralized to 80% by moles with sodium hydroxide and composed of:
- This example concerns the demonstration of the viscosity depressant property of the binder used for different mineral fillers as well as the demonstration that the agglomerated grains according to the invention are redispersible in thermoplastic resins and in particular in PVC resins.
- the Brookfield TM viscosity of the suspension is determined before and after the addition of the binding agent. This Brookfield TM viscosity measurement is carried out with the same equipment and according to the same operating mode as that of Example 1.
- This test illustrating the invention, uses an aqueous suspension of calcite with a BET specific surface area equal to 1 m 2 / g determined according to ISO standard 9277, whose dry matter concentration is equal to 64% and whose particle size is such that on the one hand 25% of the particles have a diameter of less than 2 ⁇ m determined using a particle size analyzer of the Cilas TM 920 type, and 10.0% by dry weight of a copolymer neutralized to 100% in moles with ammonia, of intrinsic viscosity equal to 8.1 ml / g measured according to the above-mentioned method (A) and composed of:
- This test illustrating the invention, uses an aqueous suspension of marble with a BET specific surface area equal to 3.3 m 2 / g determined according to ISO standard 9277, whose dry matter concentration is equal to 55% and whose particle size is such that on the one hand 40% of the particles have a diameter of less than 2 ⁇ m determined using a particle size analyzer of the Malvern Mastersizer TM X type, and 1.0% by dry weight of a copolymer neutralized to 100 % in moles by ammonia, of intrinsic viscosity equal to 8.1 ml / g measured according to the above method (A) and composed of:
- This test illustrating the invention, uses an aqueous suspension of precipitated calcium carbonate with a BET specific surface area equal to 10 m 2 / g determined according to standard ISO 9277, the dry matter concentration of which is equal to 55% and of which the median diameter is equal to 0.18 ⁇ m determined by permeability, and 1.0% by dry weight of a copolymer neutralized to 100% in moles by ammonia, of intrinsic viscosity equal to 8.1 ml / g measured according to the aforementioned method (A) and composed of:
- This test illustrating the invention, uses an aqueous suspension of talc, the dry matter concentration of which is equal to 43% and of which 21% of the particles have a diameter of less than 2 ⁇ m determined using a granulometer of the type Sedigraph TM 5100, and 1.0% by dry weight of a copolymer neutralized to 100% by moles with ammonia, of intrinsic viscosity equal to 8.1 ml / g measured according to the above-mentioned method (A) and composed of: a) 30.0% by weight of acrylic acid as a monomer with a carboxylic function; b) 70.0% by weight of ethyl acrylate as monomer with an acrylic ester function.
- This test illustrating the invention, uses an aqueous suspension of calcite with a BET specific surface area equal to 15 m 2 / g determined according to ISO standard 9277, whose dry matter concentration is equal to 50% and whose particle size is such that 80% of the particles have a diameter of less than 1 ⁇ m determined using a Sédigraph TM 5100 type particle size analyzer, and 1.0% by dry weight of a copolymer neutralized to 100% by moles with ammonia , of intrinsic viscosity equal to 8.1 ml / g measured according to the aforementioned method (A) and composed of:
- Reading the results of the various tests of the example shows the use of the copolymer according to the invention as a viscosity depressant when they have a molecular weight corresponding to an intrinsic viscosity of a value ranging from 5 ml / g at 20 ml / g, and preferably from 7 ml / g to 15 ml / g, measured according to the method (A) previously described.
- This example concerns the demonstration of the rheology-modifying property of the binder used for a mixture of mineral fillers as well as the demonstration that the agglomerated grains according to the invention are redispersible in thermoplastic resins and in particular in polypropylene resins.
- the Brookfield TM viscosity of the suspension is determined before and after the addition of the binding agent. This Brookfield TM viscosity measurement is carried out with the same equipment and according to the same operating mode as that of Example 1.
- the output extradate is then transformed into film by compression under 10 tonnes using Collin equipment.
- the dispersion of the reconstituted grains is then considered to be good if no agglomerate with a diameter greater than or equal to 0.2 mm is present over a length of film of 20 cm. It is considered bad if at least one agglomerate of this diameter appears before 20 cm.
- This test uses an aqueous suspension of a mixture of talc and calcium carbonate in a 50/50 weight ratio, with a talc with a BET specific surface area equal to 10 m 2 / g determined according to the ISO 9277 standard and with a particle size such that 41% of the particles have a diameter of less than 2 ⁇ m determined using a granulometer of the Sédigraph TM 5100 type, and a calcium carbonate with a BET specific surface area equal to 5 m 2 / g determined according to ISO 9277 and with a particle size such that 65% of the particles have a diameter of less than 2 ⁇ m determined using a Sédigraph TM 5100 type particle size analyzer.
- This suspension has a dry matter concentration equal to 20.0 % and a particle size such that 60% of the particles have a diameter of less than 2 ⁇ m determined using a granulometer of the Sédigraph TM 5100 type, and 1.0% by dry weight of a copolymer neutralized to 100% by moles by ammonia, visc intrinsic osity equal to 8.1 ml / g measured according to the above method (A) and composed of:
- Brookfield TM viscosity values at 100 rpm obtained according to the abovementioned operating mode are, before the addition of binder equal to 695 mPa.s and after the addition of binder equal to 25 mPa.s.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Paints Or Removers (AREA)
Abstract
Description
Claims
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03712291A EP1476481A1 (fr) | 2002-02-08 | 2003-02-03 | Agent liant et modificateur de rheologie |
| KR10-2004-7012136A KR20040088057A (ko) | 2002-02-08 | 2003-02-03 | 결합제 및 레올로지 개질제 |
| MXPA04007609A MXPA04007609A (es) | 2002-02-08 | 2003-02-03 | Agentes aglomerantes y modificadores de reologia. |
| US10/502,794 US20050119419A1 (en) | 2002-02-08 | 2003-02-03 | Agents binding and modifying rheology |
| JP2003566060A JP2005517056A (ja) | 2002-02-08 | 2003-02-03 | 結合剤ならびにレオロジ改質剤 |
| AU2003216970A AU2003216970A1 (en) | 2002-02-08 | 2003-02-03 | Agents binding and modifying rheology |
| BR0307598-2A BR0307598A (pt) | 2002-02-08 | 2003-02-03 | Agente ligante e modificador de reologia |
| CA002474548A CA2474548A1 (fr) | 2002-02-08 | 2003-02-03 | Agent liant et modificateur de rheologie |
| NO20043631A NO20043631L (no) | 2002-02-08 | 2004-08-31 | Kopolymer og reologimodifiserer samt viskositetsreduserer for vandige suspensjoner av mineralstoffer og deres anvendelse |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0201535A FR2835840B1 (fr) | 2002-02-08 | 2002-02-08 | Agent liant et modificateur de rheologie de suspensions aqueuses de matieres minerales. grains obtenus et leurs utilisations . |
| FR02/01535 | 2002-02-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2003066692A1 true WO2003066692A1 (fr) | 2003-08-14 |
Family
ID=27620009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2003/000317 Ceased WO2003066692A1 (fr) | 2002-02-08 | 2003-02-03 | Agent liant et modificateur de rheologie |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US20050119419A1 (fr) |
| EP (1) | EP1476481A1 (fr) |
| JP (1) | JP2005517056A (fr) |
| KR (1) | KR20040088057A (fr) |
| CN (1) | CN100473671C (fr) |
| AR (1) | AR038403A1 (fr) |
| AU (1) | AU2003216970A1 (fr) |
| BR (1) | BR0307598A (fr) |
| CA (1) | CA2474548A1 (fr) |
| FR (1) | FR2835840B1 (fr) |
| MA (1) | MA26355A1 (fr) |
| MX (1) | MXPA04007609A (fr) |
| NO (1) | NO20043631L (fr) |
| RU (1) | RU2323945C9 (fr) |
| TW (1) | TW200401814A (fr) |
| UY (1) | UY27655A1 (fr) |
| WO (1) | WO2003066692A1 (fr) |
| ZA (1) | ZA200406256B (fr) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1834995A1 (fr) * | 2006-03-15 | 2007-09-19 | Rohm and Haas Company | Compositions aqueuses comportant des particules polymériques ternes |
| EP1944342A1 (fr) * | 2006-03-15 | 2008-07-16 | Rohm and Haas Company | Compositions aqueuses comportant des particules polymériques ternes |
| EP2628775A1 (fr) | 2012-02-17 | 2013-08-21 | Omya Development AG | Poudre de matière minérale dotée d'une grande capacité de dispersion et utilisation de cette poudre de matière minérale |
| TWI421310B (zh) * | 2004-07-13 | 2014-01-01 | Omya Development Ag | 用於製造含有無機物及黏合劑之乾性或為水性懸浮液或分散液之自身黏合顏料粒子的方法 |
| WO2020173851A1 (fr) | 2019-02-26 | 2020-09-03 | Omya International Ag | Procédé de préparation d'un matériau à base de carbonate de calcium traité en surface |
| WO2020173848A1 (fr) | 2019-02-26 | 2020-09-03 | Omya International Ag | Procédé de préparation d'un matériau à base de carbonate de calcium traité en surface |
| US12247128B2 (en) | 2019-02-26 | 2025-03-11 | Omya International Ag | Process for preparing an aqueous suspension comprising a ground calcium carbonate-comprising material |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2907788B1 (fr) * | 2006-10-31 | 2008-12-19 | Coatex Sas | Utilisation comme agent compatibilisant de charges minerales pour materiaux thermoplastiques chlores d'un polymere peigne avec au moins une fonction greffee oxyde de polyalkylene. |
| US20100036042A1 (en) * | 2006-12-11 | 2010-02-11 | Basf Se | Method of viscosity lowering of aqueous dispersions of a water-soluble addition polymers |
| US20090124737A1 (en) * | 2007-11-12 | 2009-05-14 | Eastman Chemical Company | Acrylic plastisol viscosity reducers |
| DE102007059844A1 (de) * | 2007-12-12 | 2009-06-25 | Basf Construction Polymers Gmbh | Copolymer auf Basis einer Sulfonsäure-haltigen Verbindung |
| WO2010099160A1 (fr) | 2009-02-26 | 2010-09-02 | Arkema Inc. | Agents modificateurs de polymères |
| CN102492097B (zh) * | 2011-12-05 | 2013-05-08 | 江苏柏鹤涂料有限公司 | 改性丙烯酸树脂及其涂料和用途 |
| CN102558435B (zh) * | 2011-12-26 | 2013-08-21 | 中国海洋石油总公司 | 一种含氟两亲聚合物原油降粘剂及其制备方法 |
| CA2881710C (fr) | 2012-09-17 | 2020-03-31 | Rohm And Haas Company | Polymere multi-etage a titre d'additif de broyage et son procede de preparation |
| EP2712898B1 (fr) * | 2012-09-28 | 2014-11-26 | Rohm and Haas Company | Composition d'émulsion soluble dans des alcalis hydrophobiquement modifiée avec des billes polymères |
| GB201516125D0 (en) * | 2015-09-11 | 2015-10-28 | Synthomer Uk Ltd | Use of polymer, method of processing polymer and polymer |
| US10647793B2 (en) | 2014-03-28 | 2020-05-12 | Synthomer (Uk) Limited | Use of a sulphur or phosphorous-containing polymer as a processing aid in a polyvinyl chloride polymer composition |
| RU2692678C1 (ru) * | 2019-01-30 | 2019-06-26 | Общество с ограниченной ответственностью "Поликетон" | Фоторезистивная композиция высокочувствительного позитивного электронорезиста |
| CN114573751B (zh) * | 2020-11-28 | 2023-12-12 | 比亚迪股份有限公司 | 一种锂离子电池用分散剂及其制备方法、正极浆料、正极片和锂离子电池 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0577526A1 (fr) * | 1992-07-01 | 1994-01-05 | Coatex S.A. | Copolymère acrylique partiellement ou totalement hydrosoluble, réticulé ou non et son utilisation |
| EP0717051A1 (fr) * | 1994-12-16 | 1996-06-19 | Coatex S.A. | Procédé d'obtention d'agents de broyage et/ou de dispersion par séparation physico-chimique, agents obtenus et leurs utilisations |
| EP0892020A1 (fr) * | 1997-07-18 | 1999-01-20 | Coatex S.A. | Utilisation d'un copolymère à structure tensio-active comme agent dispersant et/ou d'aide au broyage |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3841401A (en) * | 1972-11-06 | 1974-10-15 | Ici America Inc | Process for recovering hydrocarbon using polymer obtained by radiation polymerization |
| FR2574086B1 (fr) * | 1984-12-03 | 1987-07-17 | Coatex Sa | Agent dispersant hydrosoluble pour compositions aqueuses pigmentees |
| FR2650594B1 (fr) * | 1989-08-04 | 1992-04-03 | Coatex Sa | Application aux suspensions aqueuses pigmentaires de carbonate de calcium d'un agent polycarboxylique a fonction phosphatee ou phosphonee inhibant l'effet de choc provoque par l'introduction d'un electrolyte sous forme concentree |
| US5415782A (en) * | 1993-11-22 | 1995-05-16 | Nalco Chemical Company | Method for the alteration of siliceous materials from bayer process liquors |
| FR2751335B1 (fr) * | 1996-07-19 | 1998-08-21 | Coatex Sa | Procede d'obtention de polymere hydrosolubles, polymeres obtenus et leurs utilisations |
| US6239230B1 (en) * | 1999-09-07 | 2001-05-29 | Bask Aktiengesellschaft | Surface-treated superabsorbent polymer particles |
-
2002
- 2002-02-08 FR FR0201535A patent/FR2835840B1/fr not_active Expired - Fee Related
-
2003
- 2003-01-28 TW TW092101831A patent/TW200401814A/zh unknown
- 2003-02-03 RU RU2004126959/04A patent/RU2323945C9/ru not_active IP Right Cessation
- 2003-02-03 WO PCT/FR2003/000317 patent/WO2003066692A1/fr not_active Ceased
- 2003-02-03 JP JP2003566060A patent/JP2005517056A/ja active Pending
- 2003-02-03 CN CNB038049643A patent/CN100473671C/zh not_active Expired - Fee Related
- 2003-02-03 EP EP03712291A patent/EP1476481A1/fr not_active Withdrawn
- 2003-02-03 MX MXPA04007609A patent/MXPA04007609A/es not_active Application Discontinuation
- 2003-02-03 BR BR0307598-2A patent/BR0307598A/pt not_active IP Right Cessation
- 2003-02-03 US US10/502,794 patent/US20050119419A1/en not_active Abandoned
- 2003-02-03 KR KR10-2004-7012136A patent/KR20040088057A/ko not_active Ceased
- 2003-02-03 CA CA002474548A patent/CA2474548A1/fr not_active Abandoned
- 2003-02-03 AU AU2003216970A patent/AU2003216970A1/en not_active Abandoned
- 2003-02-06 AR ARP030100374A patent/AR038403A1/es not_active Application Discontinuation
- 2003-02-07 UY UY27655A patent/UY27655A1/es not_active Application Discontinuation
-
2004
- 2004-08-04 MA MA27813A patent/MA26355A1/fr unknown
- 2004-08-05 ZA ZA200406256A patent/ZA200406256B/en unknown
- 2004-08-31 NO NO20043631A patent/NO20043631L/no not_active Application Discontinuation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0577526A1 (fr) * | 1992-07-01 | 1994-01-05 | Coatex S.A. | Copolymère acrylique partiellement ou totalement hydrosoluble, réticulé ou non et son utilisation |
| EP0717051A1 (fr) * | 1994-12-16 | 1996-06-19 | Coatex S.A. | Procédé d'obtention d'agents de broyage et/ou de dispersion par séparation physico-chimique, agents obtenus et leurs utilisations |
| EP0892020A1 (fr) * | 1997-07-18 | 1999-01-20 | Coatex S.A. | Utilisation d'un copolymère à structure tensio-active comme agent dispersant et/ou d'aide au broyage |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9011593B2 (en) * | 2004-07-13 | 2015-04-21 | Omya International Ag | Process for the manufacture of self-binding pigmentary particles, dry or in aqueous suspension or dispersion, containing inorganic matter and binders |
| US9644100B2 (en) | 2004-07-13 | 2017-05-09 | Omya International Ag | Process for the manufacture of self-binding pigmentary particles, dry or in aqueous suspension or dispersion, containing inorganic matter and binders |
| TWI421310B (zh) * | 2004-07-13 | 2014-01-01 | Omya Development Ag | 用於製造含有無機物及黏合劑之乾性或為水性懸浮液或分散液之自身黏合顏料粒子的方法 |
| EP1944342A1 (fr) * | 2006-03-15 | 2008-07-16 | Rohm and Haas Company | Compositions aqueuses comportant des particules polymériques ternes |
| US7829626B2 (en) | 2006-03-15 | 2010-11-09 | Rohm And Haas Company | Aqueous compositions comprising polymeric duller particle |
| EP1834995A1 (fr) * | 2006-03-15 | 2007-09-19 | Rohm and Haas Company | Compositions aqueuses comportant des particules polymériques ternes |
| EP2628775A1 (fr) | 2012-02-17 | 2013-08-21 | Omya Development AG | Poudre de matière minérale dotée d'une grande capacité de dispersion et utilisation de cette poudre de matière minérale |
| WO2013120934A1 (fr) | 2012-02-17 | 2013-08-22 | Omya Development Ag | Poudre de matière minérale possédant une forte capacité de dispersion et son utilisation |
| US10767055B2 (en) | 2012-02-17 | 2020-09-08 | Omya International Ag | Mineral material powder with high dispersion ability and use of said mineral material powder |
| US11555122B2 (en) | 2012-02-17 | 2023-01-17 | Omya International Ag | Mineral material powder with high dispersion ability and use of said mineral material powder |
| WO2020173851A1 (fr) | 2019-02-26 | 2020-09-03 | Omya International Ag | Procédé de préparation d'un matériau à base de carbonate de calcium traité en surface |
| WO2020173848A1 (fr) | 2019-02-26 | 2020-09-03 | Omya International Ag | Procédé de préparation d'un matériau à base de carbonate de calcium traité en surface |
| US12240982B2 (en) | 2019-02-26 | 2025-03-04 | Omya International Ag | Process for preparing a surface-treated calcium carbonate material |
| US12247128B2 (en) | 2019-02-26 | 2025-03-11 | Omya International Ag | Process for preparing an aqueous suspension comprising a ground calcium carbonate-comprising material |
| US12479973B2 (en) | 2019-02-26 | 2025-11-25 | Omya International Ag | Process for preparing a surface treated calcium carbonate material |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2835840B1 (fr) | 2006-05-05 |
| CA2474548A1 (fr) | 2003-08-14 |
| MA26355A1 (fr) | 2004-10-01 |
| US20050119419A1 (en) | 2005-06-02 |
| AR038403A1 (es) | 2005-01-12 |
| CN1639209A (zh) | 2005-07-13 |
| NO20043631L (no) | 2004-08-31 |
| CN100473671C (zh) | 2009-04-01 |
| EP1476481A1 (fr) | 2004-11-17 |
| UY27655A1 (es) | 2003-09-30 |
| FR2835840A1 (fr) | 2003-08-15 |
| MXPA04007609A (es) | 2004-11-10 |
| RU2323945C9 (ru) | 2009-01-27 |
| AU2003216970A1 (en) | 2003-09-02 |
| ZA200406256B (en) | 2006-08-30 |
| TW200401814A (en) | 2004-02-01 |
| RU2004126959A (ru) | 2006-01-27 |
| BR0307598A (pt) | 2005-02-01 |
| KR20040088057A (ko) | 2004-10-15 |
| RU2323945C2 (ru) | 2008-05-10 |
| JP2005517056A (ja) | 2005-06-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2003066692A1 (fr) | Agent liant et modificateur de rheologie | |
| EP2132268B1 (fr) | Procede de broyage a sec d'un ou plusieurs materiaux mineraux comprenant au moins un carbonate de calcium | |
| CA2427476C (fr) | Agent d'aide au broyage et/ou de dispersion de materiaux en suspension aqueuse, suspensions aqueuses obtenues et leurs utilisations | |
| EP1979420B1 (fr) | Procede de fabrication de particules a base de carbonate de calcium naturel et de sels d'acide acrylique-ethylene, suspensions et pigments secs obtenus, leurs utilisations | |
| KR101185660B1 (ko) | 탄산칼슘을 함유하는 신규한 건조 무기 안료, 상기 안료를 함유하는 수성 현탁액, 및 이들의 용도 | |
| CA1256636A (fr) | Agent dispersant hydrosoluble pour compositions aqueuses pigmentees | |
| EP2087048B1 (fr) | Utilisation d'un polymère en peigne, possédant au moins une fonction oxyde de polyalkylène greffée, comme agent de compatibilité de charges minérales pour matériaux thermoplastiques chlorés | |
| EP2129468B1 (fr) | Utilisation comme agent de rheologie dans une pate plastique chargee, d'un carbonate de calcium broye a sec avec un copolymere de l'acide (meth)acrylique avec une fonction alcoxy ou hydroxy polyalkyleneglycol | |
| EP1294476A1 (fr) | Utilisation de copolymeres faiblement anioniques comme agent dispersant et/ou d'aide au broyage de suspension aqueuse de matieres minerales | |
| EP0366569B1 (fr) | Agent de compatibilité pour suspensions aqueuses polypigmentaires dont l'un des pigments est du sulfate de calcium hydraté | |
| EP2373713B1 (fr) | Macromonomeres ameliorant la stabilite thermique de polymeres (meth)acryliques peigne, utilisation de ces polymeres dans des compositions plastiques chargees | |
| WO2006100228A1 (fr) | Procede de production de poudres polymeres | |
| FR2683537A1 (fr) | Agent de broyage et/ou de dispersion a base de polymeres et/ou copolymeres neutralises en partie par du magnesium pour suspensions aqueuses de materiaux mineraux en vue d'applications pigmentaires. | |
| FR2683538A1 (fr) | Procede de broyage en suspension aqueuse en presence d'un agent de broyage neutralise en partie par du magnesium. | |
| CN108026392B (zh) | 中空聚合物组成 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ OM PH PL PT RO RU SC SD SE SG SK SL TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
| AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
| DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
| WWE | Wipo information: entry into national phase |
Ref document number: 422/MUMNP/2004 Country of ref document: IN |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2474548 Country of ref document: CA |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 163295 Country of ref document: IL |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2004/06256 Country of ref document: ZA Ref document number: PA/a/2004/007609 Country of ref document: MX Ref document number: 200406256 Country of ref document: ZA Ref document number: 1020047012136 Country of ref document: KR |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2003566060 Country of ref document: JP |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2003712291 Country of ref document: EP |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 20038049643 Country of ref document: CN |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2003216970 Country of ref document: AU |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2004126959 Country of ref document: RU |
|
| WWP | Wipo information: published in national office |
Ref document number: 2003712291 Country of ref document: EP |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 10502794 Country of ref document: US |