WO2012038116A1 - Verfahren zur herstellung von polymerdispersionen - Google Patents
Verfahren zur herstellung von polymerdispersionen Download PDFInfo
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- WO2012038116A1 WO2012038116A1 PCT/EP2011/062592 EP2011062592W WO2012038116A1 WO 2012038116 A1 WO2012038116 A1 WO 2012038116A1 EP 2011062592 W EP2011062592 W EP 2011062592W WO 2012038116 A1 WO2012038116 A1 WO 2012038116A1
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- dispersion
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- acrylate
- lutensol
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- 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
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/002—Methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Ethene-propene or ethene-propene-diene copolymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions 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; Compositions of derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/16—Ethene-propene or ethene-propene-diene copolymers
-
- 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
- C08J2433/04—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 esters
Definitions
- the present invention relates to methods for
- the present invention describes polymer dispersions obtainable by the present process.
- Viscosity index improvers for engine oils are mostly hydrocarbon based polymers. Typical additional rates in engine oils are, depending on
- Particularly inexpensive viscosity index improvers are olefin copolymers (OCP), which are composed predominantly of ethylene and propylene, or hydrogenated copolymers (HSD) of dienes and styrene.
- OCP olefin copolymers
- HSD hydrogenated copolymers
- Viscosities of the solutions (> 15,000 mm 2 / s at
- Dispersing component Common dispersing components include OCP or HSD polymers, to which mostly alkyl methacrylates or alkyl methacrylate / styrene mixtures have been grafted.
- dispersions are known in which a solvent is used, which is the
- Methacrylate ingredient of the dispersion better and the OCP or HSD portion dissolves worse.
- Such a solvent together with the methacrylate portion of the product forms the major constituent of the continuous phase of the dispersion.
- the OCP or HSD share is formally the
- Dispersion represents the agitator.
- the investigations prove that with this applied method stable dispersions, with a sufficient safety for the
- DE 32 07 291 is to be understood as a process patent, which in particular the production of
- the dispersion takes place in a stirrer.
- compositions are prepared by analogous method
- the application US 5 130 359 protects systems in which exclusively functionalized olefin copolymers for
- Such defined functionalized polymers are, for.
- copolymers of anionic polymerization or acid-derivatized olefin copolymers are, for.
- Concentrated olefin copolymer dispersions will be a very complicated and time-consuming and costly
- the olefin copolymer is fed into the reactor in dissolved form, with subsequent removal of the carrier medium or solvent.
- the process control is the process control, with minor errors in the control of the process can easily lead to a phase inversion.
- the process should be capable of dispersing a variety of different polyolefins without the need for elaborate parameter tuning.
- Polymer dispersions must be stored for long periods without generally cooling devices
- the storage period includes in particular the transport, etc., with temperatures above 40 ° C or even 50 ° C occur.
- the viscosity of the dispersion On the other hand, a high content of these polymers is desirable to reduce transport costs. It should be remembered that a lower viscosity is a simpler and faster Admixture of the viscosity index improver in the base oil allowed. Therefore, polymer dispersions should be provided which have a particularly low viscosity.
- polymer dispersions should be created whose viscosity can be easily adjusted to predetermined levels.
- a further object was to provide polymer dispersions which have a high content of polyolefins, in particular of olefin copolymers and / or of hydrogenated block copolymers.
- polymer dispersions should be easy and inexpensive to produce, in particular, commercially available components should be used.
- the production should be possible on an industrial scale without the need for new or structurally complex systems.
- the present invention accordingly provides a process for the preparation of a dispersion comprising at least one carrier medium, at least one emulsifier and at least one polymer based on polyolefins, which is characterized in that a heterogeneous
- Composition using a mixer which operates according to the rotor-stator principle is dispersed. This makes it possible to provide a method for producing a dispersion having an improved property profile in an unpredictable manner.
- dispersions are very low, in many cases no dilution with a carrier medium at elevated temperature is necessary in order to achieve sufficient stability.
- inventive methods lead to a simpler process management, with minor errors in the control of the process bring no phase inversion with it.
- the process can serve to disperse a variety of different polyolefins without the need for elaborate parameter matching.
- the dispersions obtainable by the present process show excellent stability. Accordingly, the instant polymer dispersions can be extended for an extremely long time, even at elevated temperatures
- the polymer dispersions have a relatively low viscosity in relation to the polyolefin content.
- the present methods are for
- Viscosity of a polymer dispersion can be easily adjusted to predetermined values.
- the present polymer dispersions a high content of polyolefins, in particular
- polymer dispersions can be prepared simply and cost-effectively, in which case, in particular, commercially available components can be used.
- the production can be done on an industrial scale, without the need for new or structurally complex systems are needed.
- dispersions comprise at least three components, hereinafter referred to as components A), B) and C).
- components A), B) and C are components, hereinafter referred to as components A), B) and C).
- Polymer Dispersion Polyolefins which preferably have a viscosity index-improving or thickening effect.
- Such polyolefins have long been known and described in the documents cited in the prior art. These polyolefins include in particular
- the polyolefin copolymers (OCP) to be used according to the invention are known per se. It is primarily of ethylene, propylene, isoprene, butylene and / or
- Amounts of oxygen or nitrogen containing monomers are grafted.
- the copolymers containing diene components are generally hydrogenated to give the
- the molecular weight Mw is generally from 10,000 to 300,000, preferably from 50,000 to 150,000.
- Such olefin copolymers are described, for example, in German Offenlegungsschriften DE-A 16 44 941, DE-A 17 69 834, DE-A 19 39 037, DE-A 19 63 039 and DE-A 20 59 981.
- Terkomponenten such as ethylidene norbornene (see.
- Sequence polymers are applied with ethylene blocks.
- the ratio of the monomers ethylene-propylene is
- Solubility tendency in oil is already polypropylene less suitable than ethylene-propylene copolymers.
- polymers with predominantly atactic Propyleneinbau are also those with pronounced iso- or syndiotactic
- Such products are commercially available for example under the trade names Dutral CO 034 ®, ® Dutral CO 038, Dutral CO 043 ®, ® Dutral CO 058, Buna ® EPG 2050 or Buna ® EPG 5050th
- HSD hydrogenated styrene-diene copolymers
- 21 56 122 are described. They are generally hydrogenated isoprene or butadiene-styrene copolymers.
- the ratio of diene to styrene is preferably in the range from 2: 1 to 1: 2, more preferably at about 55:45.
- the molecular weight Mw is generally from 10,000 to 300,000, preferably from 50,000 to 150,000.
- the proportion of double bonds after the hydrogenation according to a particular aspect of the present invention is at most 15%, more preferably at most 5%, by number the double bonds before the hydrogenation.
- Hydrogenated styrene-diene copolymers can be obtained commercially under the trade name ⁇ SHELLVIS 50, 150, 200, 250 or 260.
- the polyolefins to be used in this case can be used in any form.
- that can be used in any form can be used in any form.
- the proportion of components A) is at least 20 wt .-%, preferably at least 30 wt .-% and particularly preferably at least 40 wt .-%, without
- Component B) is at least one
- Dispersing Kompente formed which can be regarded as an emulsifier.
- the compounds suitable as emulsifier or dispersing component are those set forth above
- Dispersing components for purposes of disclosure in the present application by reference thereto are inserted.
- Preferred dispersing components can often be described as
- Block copolymers are considered.
- at least one of these blocks shows a high compatibility with the previously described polyolefins of components A), wherein at least one further of those in the
- Dispergierkomponenten contained blocks with the previously described polyolefins has only a low compatibility.
- Such dispersing components are known per se, with preferred compounds being described in the aforementioned prior art.
- preferred dispersing components may be construed as block copolymers comprising one or more blocks A and one or more Comprise blocks X, wherein the block A hydrogenated olefin copolymer sequences, hydrogenated polyisoprene sequences
- Preferred dispersing components can be passed through
- the polyolefins can be pretreated by mechanical and / or thermal degradation.
- the polar monomers include in particular
- (Meth) acrylates and styrene compounds include methacrylates and
- a monomer composition comprising one or more (meth) acrylates of the formula (I)
- R is hydrogen or methyl and R is hydrogen, a linear or branched alkyl radical having 1 to 40
- the preferred monomers of formula (I) include (meth) acrylates derived from saturated alcohols, such as methyl (meth) acrylate, ethyl (meth) acrylate, n-propyl (meth) acrylate, iso-propyl (meth ) acrylate,
- (Meth) acrylates derived from unsaturated alcohols, such as.
- unsaturated alcohols such as.
- 2-propynyl (meth) acrylate 2-propynyl (meth) acrylate
- the monomer composition may comprise one or more (meth) acrylates of the formula (II)
- R is hydrogen or methyl and R is an OH group substituted with 2 to 20 alkyl radical
- R 3 and R 4 are independently hydrogen or methyl, R 5 is hydrogen or an alkyl radical having 1 to 40
- Carbon atoms and n is an integer from 1 to 90 mean.
- Hydroxylalkyl (meth) acrylates such as
- Triethylene glycol (meth) acrylate Tetraethylene glycol (meth) acrylate and
- Tetrapropylglycol (meth) acrylate Tetrapropylglycol (meth) acrylate.
- the (meth) acrylates with a long-chain alcohol radical can be prepared, for example, by reacting the corresponding acids and / or short-chain (meth) acrylates, in particular
- long-chain fatty alcohols which is generally a mixture of esters, such as
- (Meth) acrylates with different long-chain alcohol radicals is formed. These fatty alcohols include Oxo Alcohol® 7911 and Oxo Alcohol® 7900, Oxo Alcohol® 1100 from Monsanto; Aiphanoi® 79 from ICI; Nafol® 1620, Alfol® 610 and Alfol® 810 from Condea; Ethyl Epal® 610 and Epal® 810
- the monomer composition may have one or more (meth) acrylates of the formula (IV), wherein R is hydrogen or methyl, X is oxygen or an amino group of the formula -NH- or -NR 7 -, wherein R 7 is an alkyl radical having 1 to 40 carbon atoms, and R 6 is one having at least one -NR 8 R 9 group substituted linear or branched alkyl radical with 2 to 20,
- R 8 and R 9 independently of one another represent hydrogen, a Alkyl radical having 1 to 20, preferably 1 to 6 carbon atoms or wherein R 8 and R 9 , including the
- Nitrogen or oxygen atom form a 5- or 6-membered ring, optionally with Ci-Cö-alkyl
- the (meth) acrylates or (meth) acrylamides according to formula (IV) include inter alia
- Aminoalkyl methacrylates such as
- heterocyclic (meth) acrylates such as
- connections include, inter alia, styrene, substituted styrenes having an alkyl substituent in the side chain, such as. For example, ⁇ -methylstyrene and a
- Alkyl substituents on the ring such as vinyl toluene and
- halogenated styrenes such as monochlorostyrenes, dichlorostyrenes, tribromostyrenes and
- heterocyclic vinyl compounds such as 2-vinylpyridine, 3-vinylpyridine, 2-methyl-5-vinylpyridine, 3-ethyl-4-vinylpyridine, 2, 3-dimethyl-5-vinylpyridine,
- Vinyloxazole include.
- ethylenically unsaturated monomers can be used individually or as mixtures. It is also possible to vary the monomer composition during the polymerization.
- Dispersing component in particular the blocks X, can be within wide ranges. In general, this is
- Dispersing components are known in the art.
- Nitrogen with heating, for example to 110 ° C, a proportion of a conventional per se radical initiator, for example from the group of peresters, set, initially, for example, about 0.7 wt .-% based on the monomers.
- a proportion of a conventional per se radical initiator for example from the group of peresters, set, initially, for example, about 0.7 wt .-% based on the monomers.
- a mixture of the remaining monomers is added with the addition of further initiator, for example about 1.3% by weight, based on the monomers. It is expedient to feed some initiator some time after the end of the feed, for example after two hours.
- Total polymerization time can be used as a guide
- a suitable solvent such as. B. a phthalic acid ester such as dibutyl phthalate.
- a nearly clear, viscous solution is obtained.
- the preparation of the polymer dispersions can be carried out in a kneader, an extruder or in a static mixer.
- treatment in the device takes place under the influence of shear forces, the temperature and the initiator concentration, a reduction in the molecular weight of
- Polyolefins in particular the OCPs or HSDs.
- Suitable in the graft copolymerization initiators are cumene hydroperoxide, dicumyl peroxide,
- Benzoyl peroxide Benzoyl peroxide, azodiisobutyric acid dinitrile, 2,2-bis (t-butyl peroxy) butane, diethyl peroxydicarbonate and tert-butyl peroxide.
- the processing temperature is between 80 ° C and 350 ° C.
- the residence time in the kneader or extruder is between 1 minute and 10 hours. The longer the dispersion is treated in the kneader or extruder, the lower the molecular weight.
- Initiators can be selected according to the desired
- the solvents ⁇ free polymer-in-polymer dispersion can be converted, by incorporation in suitable carrier media in a readily manageable, liquid polymer / polymer emulsion.
- the proportion of components B) is generally up to 30 wt .-%, in particular, this proportion is in the range of 5 to 15 wt .-%, without this being a restriction.
- the use of larger quantities is generally up to 30 wt .-%, in particular, this proportion is in the range of 5 to 15 wt .-%, without this being a restriction.
- Component B) is often uneconomical. Lower quantities often lead to a lower stability of the
- Component C) is critical to the success of the present invention
- Meet conditions include z. B. to the group of esters, ethers and / or the group of higher alcohols.
- the molecules of the candidate carrier species contain more than 8 carbon atoms per molecule.
- esters of dicarboxylic acids esters of monocarboxylic acids with diols or polyalkylene glycols, esters of neopentyl polyols with monocarboxylic acids.
- esters of dicarboxylic acids once the esters of phthalic acid are suitable, in particular, phthalic acid esters with C4 to Cs _ alcohols, dibutyl phthalate and dioctylphthalate be mentioned in particular, then the esters of aliphatic dicarboxylic acids, especially the esters straight
- Dicarboxylic acids with branched-chain primary alcohols Particularly noteworthy are the esters of sebacic, adipic and azelaic acids, in particular the
- esters of straight-chain primary alcohols with branched dicarboxylic acids are the esters of straight-chain primary alcohols with branched dicarboxylic acids.
- alkyl-substituted adipic acid for example 2, 2, 4-trimethyladipic acid.
- esters of monocarboxylic acids with diols or polyalkylene glycols the diesters with diethylene glycol, triethylene glycol,
- Preferred carrier media are nonionic surfactants. These include, inter alia, fatty acid polyglycol esters, fatty amine polyglycol ethers, alkyl polyglycosides, fatty amine N oxides and long-chain alkyl sulfoxides.
- nonionic surfactants includes the aforementioned esters with ethoxy groups.
- Another group of particularly preferred carrier media which are nonionic surfactants are involved
- ethoxylated alcohols more preferably 1 to 20, in particular 2 to 8
- ethoxylated alcohols preferably comprises 1 to 40, preferably 4 to 22 carbon atoms, wherein both linear and branched alcohol radicals can be used. Likewise oxo alcohol ethoxylates can be used.
- ethoxylates which can be used for the preparation of the concentrates according to the invention are ethers of the Lutensol ® A brands, especially Lutensol ® A 3 N, Lutensol ® A 4 N, Lutensol ® A 7 N and
- Lutensol ® TO 2 especially Lutensol ® TO 3, Lutensol ® TO 5, Lutensol ® TO 6, Lutensol ® TO 65, Lutensol ® TO 69, Lutensol ® TO 7, Lutensol ® TO 79, Lutensol ® 8 and Lutensol ® 89, Ether the Lutensol ® AO brands, especially Lutensol ® AO 3,
- Lutensol ® AO 4 Lutensol ® AO 5, Lutensol ® AO 6, Lutensol ® AO 7, Lutensol ® AO 79, Lutensol ® AO 8 and Lutensol ® AO 89, ethers of the Lutensol ® ON brands, especially Lutensol ® ON 30, Lutensol ® ON 50, Lutensol ® ON 60, Lutensol ® ON 65,
- Lutensol ® ON 66 Lutensol ® ON 70, Lutensol ® ON 79 and
- IMBENTIN ® brands especially Marlipal ® 7.1, Marlipal ® 1012/6, 1618/1 Marlipal ®, Marlipal ® 24/20,
- Another group of preferred carrier media provide
- Polymer dispersion can be significantly increased by the presence of mineral oil.
- Mineral oils are known per se and commercially available. They are generally made from petroleum or crude oil
- mineral oils are also produced from raw materials of plant origin (eg from jojoba, rapeseed) or animal (eg claw oil) of origin.
- Mineral oils where the terms paraffin-based fraction for longer-chain or highly branched iso-alkanes and naphthenic moiety for cycloalkanes.
- mineral oils depending on their origin and refinement
- Heteroatoms in particular 0, N and / or S on, which are attributed to polar properties.
- Polar proportions may also be determined according to ASTM D 2007.
- n-alkanes in preferred mineral oils is less than 3 wt .-%, the proportion of 0, N and / or S-containing compounds less than 6 wt .-%.
- the proportion of aromatics and monomethyl branched paraffins is generally in each case in the range of 0 to 40 wt .-%.
- mineral oil mainly comprises naphthenic and paraffinic alkanes which are used in the
- Wt .-% preferably> 80 wt .-%, without this being a restriction.
- a preferred mineral oil contains from 0.5 to 30% by weight of aromatic fractions, from 15 to 40% by weight of naphthenic fractions, from 35 to 80% by weight.
- Paraffin-based fractions up to 3 wt .-% of n-alkanes and 0.05 to 5 wt .-% polar compounds, each based on the total weight of the mineral oil.
- n-alkanes with about 18 to 31 C atoms 0.7-1.0%
- Aromatics with 14 to 32 C atoms :
- the carrier medium used is mixtures which
- (Oligo) oxyalkyl groups include etherified alcohols.
- the weight ratio of mineral oil to nonionic surfactant, in particular to (oligo) oxyalkyl groups etherified alcohol within wide ranges. This ratio is particularly preferably in the range from 15: 1 to 1:15, in particular 5: 1 to 1: 5.
- nonionic surfactants the stated esters having ethoxy groups and (oligo) oxyalkyl groups etherified alcohols being particularly preferred.
- Polymer dispersion can be within wide limits, this proportion in particular of the used
- the proportion of the carrier medium is 79 to 25 wt .-%, preferably below 70, especially 60 to 40 wt .-%, based on the total polymer dispersion.
- the proportion of the carrier medium is 79 to 25 wt .-%, preferably below 70, especially 60 to 40 wt .-%, based on the total polymer dispersion.
- dispersions according to the invention contain further components and additives. These include in particular those in DE 102 49 292, filed on 22.10.2002 in German
- the dielectric constant can according to Handbook of
- the polyolefin may preferably be in solid form in a
- the polymer to be dispersed can also be added in bales, pellets or other agglomerates.
- the polyolefin can with a
- Scheidsystem be brought to the particle size.
- This unit can be used with a rotor-stator mixer.
- the particle size of the polyolefins to be dispersed in the heterogeneous composition is not critical per se. Surprising advantages can be achieved in that the particle size of the polyolefins prior to treatment with a mixer which operates according to the rotor-stator principle, preferably in the range of 2 mm to 3 cm, more preferably in the range of 3 mm to 2 cm (Edge length).
- the temperature at which the polyolefin is added to the mixing vessel is not critical per se, so that the
- Polyolefin may optionally be added in liquid form.
- the addition temperature is in the range from 10 to 120 ° C, more preferably in the range of 20 to 60 ° C.
- the dispersion can in this case in one or more
- Steps are taken so that different rotor-stator mixing heads can be used to adjust the particle size gradually to a predetermined value.
- the polyolefin may be added to the mixing vessel in one step or in portions. According to a special
- the dispersing component may be in one step or
- Dispersing be submitted, based on the total amount of the dispersing.
- the carrier medium can be added to the mixing vessel in one step or in portions. According to a particular aspect of the present invention, large portions of the carrier medium can be placed in a mixing vessel. Particular advantages can be achieved, in particular, by a process in which 80-100% by weight, in particular from 95-100% by weight, of the carrier medium are initially charged, based on the total amount of the carrier medium.
- a mixer is used according to the present method, which operates according to the rotor-stator principle.
- Such mixers are generally characterized in that relatively high shear forces can be generated. Accordingly, these mixers are also used as high-mix mixing systems
- the particles may preferably by the
- Size reduction can be done by contact with the edges of the stator.
- a mixing device which has a cylindrical mixing unit, wherein the mixing unit comprises at least one mixing screen, which is arranged longitudinally of the axis of the rotor. Furthermore, the mixing unit preferably has at least one, more preferably at least two feed or
- Deriving elements which are arranged perpendicular to the axis of the rotor, wherein an open chamber from the feed elements and the mixing screen is formed.
- Feeding elements are designed so that the
- these mixing systems can be purchased from SILVERSON MACHINES LTD,
- stator is not critical per se, but a stator having a lattice structure, in particular a square-hole structure, is preferred. Also suitable as a stator has proved with slit-like openings.
- FIGS. 1 and 2 Preferred embodiments of both stator structures are shown in FIGS. 1 and 2.
- the gap / the square hole in the stator in the mixer have a width in the range of 1 to 8 mm, more preferably in the range of 2 to 5 mm.
- mixers which have different stators.
- the stators may have different gaps, so that the particles are comminuted by different stages in one step. hereby Surprisingly, particles with a particularly narrow particle size distribution can be obtained.
- the mixers may have a unit for coarse shredding (cutting unit), the large parts, depending on the imple mentation form also bales,
- the rotor of the mixer may preferably be at a speed in the range of 1000 to 7000, more preferably in the
- Range from 2000 to 3000 are operated.
- the circulation speed may preferably be in the range of 4 to 25 m / s, especially 8 to 18 m / s, especially
- Composition preferably to 30 wt .-%, more preferably 5 to 15 wt .-% emulator.
- the weight ratio of emulator to carrier medium may preferably be in the range from 0.05 to 1.5, particularly preferably in the range from 0.06 to 0.5, at the beginning of the dispersion.
- the weight ratio of polyolefin to carrier medium at the beginning of the dispersion can be in the range from 0.25 to 1.6, particularly preferably in the range from 0.6 to 1.
- Emulator at the beginning of the dispersion in the range of 0, 6 to 8, particularly preferably in the range of 2.6 to 8.
- the mixture of emulsifier and carrier medium used is preferably less than 400 mm 2 / s, in particular less than 350 mm 2 / s, more preferably less than 300 mm 2 / s and most preferably less than 250 mm 2 / s
- the kinematic viscosity of the emulsifier-carrier medium mixture used may preferably be in the range from 100 to 300 mm 2 / s, particularly preferably from 130 to 250 mm 2 / s, measured in accordance with DIN 51562 (Ubbelohde viscometer) at 100 ° C.
- a particularly preferred method can have the following substeps:
- the dispersing component may be initially charged, wherein the temperature may be selected within a range of 10 ° C to 120 ° C. Subsequently, the first dispersing tool for comminution of the component to be dispersed and for mixing of the entire reactor contents is turned on and the component to be dispersed in the respective
- Supplied form (bales, pellets, agglomerates or other size distribution to dusts) added.
- the registered one becomes
- dispersing component as long as crushed or mixed with the dispersing component until a homogeneous dispersion having preferably formed small particles. During this step is due to the high
- Shearing forces introduced into the reactor by the comminution device heats the reactor contents to the necessary dispersing temperature. In addition, this can be accelerated by an accompanying heating.
- Degree of dispersion can be used in a third step by using a separate mixing device, composed of a
- Rotor / stator system the final dispersion can be produced. Due to the combination of different or multi-stage rotor / stator systems can over the particle size of the component to be dispersed the
- the desired dispersion temperature can be adjusted usually without additional heat. In some cases it may even be necessary to maintain the product temperature within a desired temperature range by suitable cooling. This is due to the too
- dispersing component and is more preferably in a range of 90 ° to 200 ° C. Those obtainable by the present process
- Dispersions are characterized by a surprisingly good property profile, which differs from the known dispersions.
- the invention Accordingly, dispersions are novel and also the subject of the present invention.
- preferred dispersions may be a
- the particles of preferred dispersions may have an average particle diameter in the range from 1 to 15 ⁇ , particularly preferably in the range of 1 to 5 ⁇ , measured according to
- the narrow particle size distribution can be determined by the proportion of particles outside a particular particle size distribution
- particularly preferred dispersions are characterized in that 90% of the particles have a diameter of less than or equal to 7 ⁇ m, particularly preferably less than or equal to 5 ⁇ m. Furthermore, 50% of the particles may have a diameter less than or equal to 5 .mu.m, more preferably less than or equal to 2 .mu.m. Furthermore, 90% of the particles can have one
- the present invention is based on
- the determination of the viscosity is carried out according to DIN 51562 (Ubbelohde viscometer).
- the concentration of the OCP in oil is in each case 1.0% by weight.
- the kinematic viscosity is always stated in mm 2 / s.
- test can be extended for a further two cycles, with the points of each of the three cycles added to a total score. The test was stopped early if at one
- duplex unit was exchanged with a standard Silverson dispersing unit (used dispersing head: Square Hole High Shear Screen) and the present mixture was heated at 140 ° C to 180 ° C for 3 hours
- the BV100 of the product thus produced is 3086 mm 2 / s.
- the TE100 of a 2.8% solution of the product (1% OCP in solution) in a 150N oil is 18.99 mm 2 / s.
- the resulting dispersion was subjected to the stability test described above, extending the test to 120 minutes. In this test, a
- Container diameter 0.7) and a speed of 150 rpm were 316.7 g of a mixture of carrier medium and
- Emulsifier and 183.3 g of an ethylene-propylene-diene copolymer (z. B. Keltan ® 4802 with a TE100 of ⁇
- the temperature was raised from 100 ° C to 140 ° C and stirred at 150 rpm for 6 hours.
- the BV100 of the product thus produced is 1336 mm 2 / s.
- the TE100 of a 2.8% solution of the product (1% OCP in solution) in a 150N oil is 16.57 mm 2 / s.
- the resulting dispersion was subjected to the stability test described above, extending the test to 120 minutes. In this test, a
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Lubricants (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
Claims
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MX2013003140A MX2013003140A (es) | 2010-09-23 | 2011-07-22 | Proceso para producir dispersiones polimericas. |
| KR1020137010225A KR20140009150A (ko) | 2010-09-23 | 2011-07-22 | 중합체 분산액의 제조 방법 |
| CA2812357A CA2812357A1 (en) | 2010-09-23 | 2011-07-22 | Process for producing polymer dispersions |
| SG2013012265A SG188242A1 (en) | 2010-09-23 | 2011-07-22 | Process for producing polymer dispersions |
| EP11741550.5A EP2619252A1 (de) | 2010-09-23 | 2011-07-22 | Verfahren zur herstellung von polymerdispersionen |
| JP2013529584A JP2013537927A (ja) | 2010-09-23 | 2011-07-22 | ポリマー分散液の製造法 |
| CN2011800447310A CN103108901A (zh) | 2010-09-23 | 2011-07-22 | 制备聚合物分散体的方法 |
| US13/813,175 US20130131254A1 (en) | 2010-09-23 | 2011-07-22 | Process for producing polymer dispersions |
| RU2013118431/05A RU2013118431A (ru) | 2010-09-23 | 2011-07-22 | Способ получения полимерных дисперсий |
| BR112013006670A BR112013006670A2 (pt) | 2010-09-23 | 2011-07-22 | processo para produção de dispersões de polímeros |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010041242A DE102010041242A1 (de) | 2010-09-23 | 2010-09-23 | Verfahren zur Herstellung von Polymerdispersionen |
| DE102010041242.2 | 2010-09-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012038116A1 true WO2012038116A1 (de) | 2012-03-29 |
Family
ID=44509990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2011/062592 Ceased WO2012038116A1 (de) | 2010-09-23 | 2011-07-22 | Verfahren zur herstellung von polymerdispersionen |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US20130131254A1 (de) |
| EP (1) | EP2619252A1 (de) |
| JP (1) | JP2013537927A (de) |
| KR (1) | KR20140009150A (de) |
| CN (1) | CN103108901A (de) |
| BR (1) | BR112013006670A2 (de) |
| CA (1) | CA2812357A1 (de) |
| DE (1) | DE102010041242A1 (de) |
| MX (1) | MX2013003140A (de) |
| RU (1) | RU2013118431A (de) |
| SG (1) | SG188242A1 (de) |
| WO (1) | WO2012038116A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106621873A (zh) * | 2015-10-28 | 2017-05-10 | 蔡顺豪 | 用于制备纳米乳液的多转子处理装置及其用途 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2997090C (en) * | 2015-09-03 | 2019-01-29 | Phillips 66 Company | Antifoam compositions for use in oils |
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2010
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2011
- 2011-07-22 CN CN2011800447310A patent/CN103108901A/zh active Pending
- 2011-07-22 WO PCT/EP2011/062592 patent/WO2012038116A1/de not_active Ceased
- 2011-07-22 JP JP2013529584A patent/JP2013537927A/ja not_active Withdrawn
- 2011-07-22 SG SG2013012265A patent/SG188242A1/en unknown
- 2011-07-22 MX MX2013003140A patent/MX2013003140A/es unknown
- 2011-07-22 RU RU2013118431/05A patent/RU2013118431A/ru not_active Application Discontinuation
- 2011-07-22 KR KR1020137010225A patent/KR20140009150A/ko not_active Withdrawn
- 2011-07-22 EP EP11741550.5A patent/EP2619252A1/de not_active Withdrawn
- 2011-07-22 CA CA2812357A patent/CA2812357A1/en not_active Abandoned
- 2011-07-22 BR BR112013006670A patent/BR112013006670A2/pt not_active IP Right Cessation
- 2011-07-22 US US13/813,175 patent/US20130131254A1/en not_active Abandoned
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106621873A (zh) * | 2015-10-28 | 2017-05-10 | 蔡顺豪 | 用于制备纳米乳液的多转子处理装置及其用途 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102010041242A1 (de) | 2012-03-29 |
| BR112013006670A2 (pt) | 2016-06-07 |
| CA2812357A1 (en) | 2012-03-29 |
| MX2013003140A (es) | 2013-08-09 |
| RU2013118431A (ru) | 2014-10-27 |
| JP2013537927A (ja) | 2013-10-07 |
| US20130131254A1 (en) | 2013-05-23 |
| EP2619252A1 (de) | 2013-07-31 |
| KR20140009150A (ko) | 2014-01-22 |
| CN103108901A (zh) | 2013-05-15 |
| SG188242A1 (en) | 2013-04-30 |
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