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WO2010073752A1 - Procédé pour la production de poudre ou de granulés d'oxyde d'amine - Google Patents

Procédé pour la production de poudre ou de granulés d'oxyde d'amine Download PDF

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Publication number
WO2010073752A1
WO2010073752A1 PCT/JP2009/060632 JP2009060632W WO2010073752A1 WO 2010073752 A1 WO2010073752 A1 WO 2010073752A1 JP 2009060632 W JP2009060632 W JP 2009060632W WO 2010073752 A1 WO2010073752 A1 WO 2010073752A1
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Prior art keywords
mass
amine oxide
component
powder
aqueous solution
Prior art date
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English (en)
Japanese (ja)
Inventor
恵一 小野田
浩章 割田
伸広 西澤
匡士 西森
将士 吉川
忠信 浅田
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Kao Corp
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Kao Corp
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/75—Amino oxides
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0034—Fixed on a solid conventional detergent ingredient
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0039—Coated compositions or coated components in the compositions, (micro)capsules

Definitions

  • the present invention relates to a method for producing amine oxide powder or granules, and a detergent composition for an automatic dishwasher containing amine oxide powders or granules.
  • Amine oxide is widely used in dishwashing detergents and the like because it exhibits excellent cleaning performance as a raw material for cleaning agents and also has an effect of preventing hand shaking.
  • amine oxides are usually handled in an aqueous solution, and when mixed in a large amount in a powder type detergent, there are problems such as deterioration of powder physical properties and storage characteristics.
  • methods for pulverizing amine oxides have been studied. For example, a method of freeze-drying (see Patent Document 1), a method of spray-drying (see Patent Document 2), and a method of spray-drying by supporting on a sulfate or the like. (See Patent Document 3) and the like are known.
  • Patent Document 4 discloses a method of pulverizing zeolite pores by impregnating with an amine oxide aqueous solution. This method can be pulverized with relatively low energy, but zeolite cannot be used for products that cannot be mixed with zeolite from the viewpoint of solubility and the like because zeolite does not dissolve in water.
  • Patent Document 5 discloses an aqueous liquid dishwashing composition containing a surfactant such as amine oxide, a hydrotrope, an unsaturated aliphatic terpene alcohol or a derivative thereof, and an amphiphilic polymer. However, since the amine oxide used here has a long-chain alkyl group having 10 or more carbon atoms, the cleaning performance and the like are not sufficiently satisfactory, and this composition is an aqueous liquid composition.
  • An object of the present invention is to provide an efficient method for producing an amine oxide powder or granule excellent in solubility, and a cleaning composition for an automatic dishwasher containing the amine oxide powder or granule.
  • the present inventors have found that the molecular mobility of the cleaning agent molecule is very important for penetrating and diffusing the cleaning agent component into the soil and enhancing the cleaning effect. It has been found that it is desirable to select a base having a molecular weight as low as possible rather than a base having a high hydrophilic part.
  • a specific amphiphilic polymer in a specific ratio with a specific amine oxide having a medium chain alkyl group and by using the amine oxide powder or granule, I found that it could be solved. That is, the present invention provides the following [1] to [3].
  • a method for producing an amine oxide powder comprising mixing 95 to 20% by mass of a powder (b) comprising a polymer compound containing 80 mol% or more in total.
  • R 1 represents a hydrocarbon group having 3 to 8 carbon atoms
  • R 2 and R 3 each independently represents a hydrogen atom, an alkyl group having 1 to 3 carbon atoms, or a hydroxyalkyl having 1 to 3 carbon atoms
  • R 4 represents an alkanediyl group having 2 to 3 carbon atoms
  • X represents an amide group or an ether group
  • n is 0 or 1.
  • An aqueous solution, suspension or paste (a) containing 50 to 95% by mass of the amine oxide represented by the general formula (1) (a) and a powder (b) comprising the polymer compound A cleaning agent for automatic dishwashers containing 95 to 20% by weight of amine oxide powder or granules obtained by mixing or granulating simultaneously with mixing, and (e) an alkaline agent and / or sequestering agent Composition.
  • a first aspect of the method of the present invention is an aqueous solution, suspension or paste (a) 5 containing 50 to 95% by mass of an amine oxide represented by the following general formula (1): It is characterized by mixing ⁇ 80% by mass and 95-20% by mass of the powder (b) comprising the polymer compound.
  • second aspect of the method of the present invention second invention: method for producing granules
  • after mixing 5 to 80% by mass of the component (a) and 95 to 20% by mass of the component (b) or after mixing It is characterized by granulating at the same time.
  • pellet means a form that is solid particles at normal temperature, and usually means that the average particle size is 0.1 ⁇ m or more and less than 300 ⁇ m.
  • Gramule means a form that is a solid granule at normal temperature, and is usually a particle having an average particle size of 0.3 to 10 mm, or a diameter of 0.3 to 10 mm, and a length of 0.3 to 10 mm. It means that it is in the form of pellets.
  • the shape of the particles or granules is not particularly limited, and may be any of spherical, indeterminate, cylindrical and the like.
  • ⁇ Amine oxide represented by general formula (1)> The amine oxide used in the present invention is represented by the following general formula (1).
  • R 1 represents a hydrocarbon group having 3 to 8 carbon atoms, and R 2 and R 3 each independently represents a hydrogen atom, an alkyl group having 1 to 3 carbon atoms, or a hydroxyalkyl having 1 to 3 carbon atoms
  • R 4 represents an alkanediyl group having 2 to 3 carbon atoms
  • X represents an amide group (—NHCO— or —CONH—) or an ether group
  • n is 0 or 1.
  • the hydrocarbon group as R 1 has 3 to 8 carbon atoms. However, preferably 6 to 8 can suppress foaming and can be used with no trouble in an automatic dishwasher or the like, and an excellent detergency can be obtained.
  • the hydrocarbon group as R 1 is preferably an alkyl group or an alkenyl group, and may be linear or branched.
  • the total number of carbon atoms of R 1 to R 4 in the general formula (1) is preferably 12 or less from the viewpoint of solubility in water and cleaning performance.
  • the amine oxide aqueous solution, suspension or paste (a) [hereinafter also referred to as component (a)] used in the present invention contains 50 to 95% by mass of the amine oxide represented by the general formula (1).
  • the concentration of the amine oxide in the aqueous solution, suspension or paste is preferably 60 to 95% by mass, more preferably 70 to 95% by mass, from the viewpoint of appropriately promoting powdering.
  • the polymer compound used in the present invention is an amphiphilic polymer having both a hydrophobic group and a hydrophilic group, and a compound having a carboxylic acid group and / or a carboxylic acid anhydride residue [hereinafter, monomer (I)
  • monomer (I) The structural unit (I) derived from) and the structural unit (II) derived from an aliphatic hydrocarbon having 3 to 10 carbon atoms having a polymerizable unsaturated bond (hereinafter also referred to as monomer (II)).
  • the polymer compound is most preferably one in which the total of the structural unit (I) derived from the monomer (I) and the structural unit (II) derived from the monomer (II) is substantially 100 mol%.
  • an acid anhydride is used as the monomer (I)
  • the acid anhydride may be hydrolyzed during the production of the polymer compound or after the production, so that a part of the acid anhydride may become a carboxylic acid group.
  • the powder (b) composed of a polymer compound may be a powder composed solely of the polymer compound or a powder composed of the polymer compound and water.
  • water can be contained within a range where the function as a powder is not impaired, and the content of water in the powder is usually 0.1 to 30% by mass, preferably 0.1 to 20% by mass. It is.
  • Monomer (I) is an anionic hydrophilic monomer, (1) a compound having a polymerizable unsaturated bond and having one or two carboxylic acid groups, and (2) polymerizable unsaturated.
  • a compound having a bond and having a carboxylic anhydride residue is preferred. Specific examples include one or more monomers selected from acrylic acid, methacrylic acid, crotonic acid, ⁇ -hydroxyacrylic acid, maleic acid, itaconic acid, and salts thereof, and maleic anhydride.
  • the carboxylic acid anhydride residue means a group in which two carboxylic acid groups have an anhydrous structure. In these, the 1 or more types of monomer chosen from acrylic acid or its salt, maleic acid or its salt, and maleic anhydride is preferable.
  • the monomer (II) is a hydrophobic monomer and is a hydrocarbon compound having 3 to 10 carbon atoms, preferably 4 to 8 carbon atoms, having a polymerizable unsaturated bond.
  • Specific examples include monomers selected from propylene, butene, isobutene, pentene, isopentene, hexene, heptene, octene, diisobutene, nonene, isononene, decene, and isodecene.
  • one or more monomers selected from pentene, octene, isobutene and diisobutene are preferable.
  • the polymer compound (b) can be copolymerized with the monomers (I) and (II). It may have a structural unit (III) derived from other monomer [hereinafter also referred to as monomer (III)].
  • Monomers (III) include ethylene oxide, propylene oxide, acrylamide, N, N-dimethylaminopropylacrylic acid (or methacrylic acid) amide, N, N-dimethylacrylic (or methacrylic) amide, N, N-dimethylaminoethyl Acrylic acid (or methacrylic acid) amide, N-vinyl-2-caprolactam, N-vinyl-2-pyrrolidone, acrylic acid (or methacrylic acid) alkyl (1 to 5 carbon atoms), acrylic acid (or methacrylic acid) 2- Hydroxyethyl, acrylic acid (or methacrylic acid) -N, N-dimethylaminoalkyl (C1-5), allylamine, N, N-diallylamine, N, N-diallyl-N-alkyl (C1-5) Amines, 2-vinylpyridine, 4-vinylpyridine, sulfur dioxide, etc.
  • Preferred examples of the polymer compound (b) are selected from structural units derived from one or more monomers (I) selected from acrylic acid, maleic acid, and maleic anhydride, and pentene, octene, isobutene, and diisobutene. And a polymer containing at least one structural unit derived from the monomer (II).
  • a diisobutylene / maleic acid copolymer and an isobutylene / maleic anhydride copolymer are particularly preferable.
  • the polymer compound (b) used in the present invention can be obtained by copolymerizing the monomer (I), the monomer (II) and, if necessary, the monomer (III).
  • the polymerization temperature is preferably 0 to 150 ° C, more preferably 20 to 90 ° C.
  • the reaction pressure is preferably from 0.01 to 0.5 MPa, more preferably from 0.05 to 0.2 MPa.
  • the reaction is preferably carried out in an inert gas atmosphere such as nitrogen.
  • Polymerization initiators include persulfates such as ammonium persulfate, sodium persulfate, potassium persulfate, azo compounds such as azobis-2-methylpropionamidine hydrochloride, azoisobutyronitrile, benzoyl peroxide, lauroyl peroxide, etc. Peroxides and the like can be used.
  • the polymerization solvent water is preferable, but from the viewpoint of uniformly dissolving the plurality of monomers, it is preferable to use an aqueous solvent containing at least one organic solvent.
  • organic solvent examples include lower alcohols such as methanol, ethanol and isopropanol, aromatic or aliphatic hydrocarbons such as benzene, toluene, cyclohexane and n-heptane, esters such as ethyl acetate, and ketones such as acetone and methyl ethyl ketone. Etc.
  • lower alcohols such as methanol, ethanol and isopropanol
  • aromatic or aliphatic hydrocarbons such as benzene, toluene, cyclohexane and n-heptane
  • esters such as ethyl acetate
  • ketones such as acetone and methyl ethyl ketone.
  • the molar ratio of the monomer structural unit (I) to the monomer structural unit (II) [monomer structural unit (I) / monomer structural unit (II)] is preferably from the viewpoint of solubility and cleaning performance. 20/80 to 90/10, more preferably 30/70 to 90/10, still more preferably 40/60 to 80/20.
  • the molar ratio corresponds to the addition ratio of the monomers (I) and (II) during the polymerization of the polymer compound.
  • the polymer compound has a mass average molecular weight of preferably 3,000 to 100,000, more preferably 5,000 to 80,000, and still more preferably 5,000 to 50,000.
  • the mass average molecular weight can be measured by gel permeation chromatography (GPC) method using acetonitrile / 0.1M aqueous sodium chloride solution (30/70) as a developing solvent and polyethylene glycol as a standard substance.
  • the component (a) is mixed in an amount of 5 to 80% by mass
  • the component (b) is mixed in an amount of 95 to 20% by mass
  • the component (a) is mixed in an amount of 10 to 80% by mass
  • 90 to 20% by mass of component (b) is mixed, more preferably 15 to 80% by mass of component (a), and 85 to 20% by mass of component (b), more preferably (a).
  • the mass ratio of [component (a) / component (b)] is 4 or less, preferably 2 or less, more preferably 1 or less, from the viewpoint of amine oxide powderization.
  • the oil-absorbing powder (c) can be mixed from the viewpoint of more easily promoting amine oxide powder or granulation.
  • the oil-absorbing powder (c) one or more selected from amorphous silica, dextrin, soda ash, criticism and the like can be used.
  • amorphous silica, vacuum rolling granulation, Soda ash is more preferable for rolling granulation.
  • Specific examples of the amorphous silica include, for example, JP-A-62-191417, page 2, lower right column, line 19 to page 5, upper-left column, line 17, JP-A-62-119119, page 2, lower right.
  • amorphous silica etc. are mentioned.
  • Commercially available amorphous silica includes Tokuseal NR (manufactured by Tokuyama Corporation, oil absorption capacity: 210 to 270 mL / 100 g), Florite (manufactured by Tokuyama Corporation, oil absorption capacity: 400 to 600 mL / 100 g), TIXOLEX 25 (Korean / France) And the like, manufactured by Kagaku Co., Ltd., oil absorption capacity: 220 to 270 mL / 100 g), and Silo Pure (manufactured by Fuji Silysia Co., Ltd., oil absorption capacity: 240 to 280 mL / 100 g).
  • soda ash examples include dense ash (manufactured by Central Glass Co., Ltd., oil absorption capacity 15 ml / 100 g), light ash (manufactured by Central Glass Co., Ltd., oil absorption capacity 50 ml / 100 g), and the like.
  • the mixing amount of the oil-absorbing powder (c) is preferably 10 to 100 parts by weight, more preferably 20 to 90 parts by weight, and still more preferably with respect to 100 parts by weight of the total amount of the components (a) and (b). Is 30 to 80 parts by mass.
  • the binder (d) can be mixed from the viewpoint of improving the strength of the amine oxide powder or granule.
  • a binder (d) A thermoplastic water-soluble binder is preferable.
  • the thermoplastic water-soluble binder one or more selected from polyethylene glycol, polypropylene glycol, polyoxyethylene alkyl ether, polyoxyethylene phenyl ether and the like can be used.
  • the number average molecular weight of the binder (d) such as polyethylene glycol is a GPC method using polystyrene (solvent: water / ethanol) as a standard from the viewpoint of viscosity adjustment when powdering or granulating, preferably 4,000.
  • the mixing amount of the binder (d) is preferably 10 to 100 parts by mass, more preferably 20 to 90 parts by mass, and still more preferably 30 to 100 parts by mass with respect to 100 parts by mass of the total amount of the components (a) and (b). 80 parts by mass.
  • ⁇ Other optional components> In the method for producing an amine oxide powder of the present invention, in addition to the components (a) to (d), other optional components that can be used in ordinary cleaning agents can be blended.
  • other optional components include antifoaming agents, extenders or diluents, surface modifiers, enzyme stabilizers such as calcium salts and formic acid, fragrances, antibacterial / antifungal agents, and dyes.
  • antifoaming agent polypropylene glycol having a mass average molecular weight of preferably 600 to 20,000, more preferably 2,000 to 12,000 is preferable from the viewpoint of antifoaming effect.
  • the mass average molecular weight of polypropylene glycol can be measured by a light scattering method using a dynamic light scattering photometer (DLS-8000 series, manufactured by Otsuka Electronics Co., Ltd.) or the like.
  • the extender or diluent include sulfates such as sodium sulfate and magnesium sulfate. If a filler or diluent is added, each component can be diluted and dispersed at an appropriate concentration, so that it can be designed in an amount suitable for use, and also to maintain the stability of each component. It is valid.
  • the surface modifier include bentonite and zeolite.
  • amorphous silica which is one type of oil-absorbing powder (c) (manufactured by Tokuyama Corporation, trade name: Tokuseal, etc.) can also be used as a surface modifier.
  • the amine oxide powder of the present invention is obtained by mixing the components (a) and (b), the components (a) to (c), or the components (a) to (d), and other optional components. Obtainable.
  • an aqueous solution or suspension containing 10 to 60% by mass of amine oxide is concentrated in advance, and 50 to 95% by mass of amine oxide, preferably 60 to 95% by mass, more preferably 70 to 95% by mass. It is possible to facilitate the production of amine oxide powders and granules by preparing an aqueous solution, suspension or paste having a concentration as high as possible.
  • the powder and granule physical property obtained after mixing with (b) component will be improved.
  • the component (a) previously concentrated to a desired water content is used, the components (a) and (b), the components (a) to (c), the components (a) to (d), and others
  • an amine oxide powder can be easily obtained.
  • the component (a) is the component (b), the components (b) to (c), the components (b) to (d), and other optional components.
  • moisture content of (a) component at the time of mixing other arbitrary components is preferable.
  • the method for removing moisture and examples include a method for removing moisture by heating, a method for removing moisture under reduced pressure, and a method for removing moisture under ventilation conditions.
  • the temperature of the dry air is preferably 150 ° C. or lower, more preferably 120 ° C. or lower, and most preferably 100 ° C. or lower from the viewpoints of energy cost and environmental load.
  • the temperature of the dry air is preferably 50 ° C. or higher, more preferably 70 ° C. or higher, and most preferably 90 ° C. or higher. From the viewpoint of moisture removal efficiency, it is preferable to use dry air having a humidity of 0% as the dry air.
  • the blending order of each component is not particularly limited, but from the viewpoint of powder physical properties, a method of mixing the component (a) and the component (b) and then mixing with the other components is preferable.
  • a method of mixing the component (a) and the component (b) and then mixing with the other components is preferable.
  • the component (d) is a solid
  • a part or all of the component (d) may be melted in advance, or may be mixed as a solid and melted inside the mixer.
  • the temperature at the time of mixing each component of this invention is not specifically limited, 100 degreeC or less is preferable from a viewpoint of stability and energy saving of (a) component, and 90 degreeC or less is more preferable.
  • Henschel mixer Mitsubishi Mining Co., Ltd.
  • high speed mixer Fermae Powtech Co., Ltd.
  • Nauter mixer Hosokawa Micron Co., Ltd.
  • ribbon mixer Known mixers such as Kotobuki Kosakusho, V-type blender (Dalton Co., Ltd.), Bench kneader (Irie Shokai Co., Ltd.) and the like can be used.
  • the amine oxide granule according to the present invention comprises the component (a) and the component (b), the components (a) to (c), the components (a) to (d), and other optional components. It can be obtained by granulating after mixing with a machine or simultaneously with mixing. Moreover, it can also shape
  • an aqueous solution or suspension containing 10 to 60% by mass of amine oxide is concentrated in advance, and 50 to 95% by mass of amine oxide, preferably 60 to 95% by mass, more preferably 70 to 95% by mass. It is possible to facilitate the production of amine oxide powders and granules by keeping them as high concentration aqueous solution, suspension or paste as possible, and the powder and granule properties after mixing with the component (b) are improved.
  • the components (a) and (b), the components (a) to (c), the components (a) to (d), and others Amine oxide granules can be easily obtained by mixing these optional components or by granulating simultaneously with the mixing.
  • the component (a) is the component (b), the components (b) to (c), the components (b) to (d), and other optional components.
  • moisture content of (a) component is preferable, mixing other arbitrary components or granulating simultaneously with mixing.
  • Examples of the granulation method include extrusion granulation method, rolling granulation method, vacuum rolling granulation method, crushing granulation method, fluidized bed granulation method, spray granulation method, crushing granulation method and the like.
  • the extrusion granulation method, the rolling granulation method, and the vacuum rolling granulation method are more preferable.
  • amine oxide granules having good powder properties can be obtained by any of the above granulation methods.
  • amine oxide granules having good powder properties can be obtained by extrusion granulation method, rolling granulation method, and vacuum rolling granulation method.
  • Extrusion granulation method In the case of the extrusion granulation method, it is preferable to remove moisture of the component (a) in the mixing step before granulation.
  • the method for removing moisture there is no particular limitation on the method for removing moisture, and examples include a method for removing moisture by heating, a method for removing moisture under reduced pressure, and a method for removing moisture under ventilation conditions.
  • a method of removing moisture by heating when mixing with a Nauter mixer, a method of removing moisture by heat transfer from the warm water of the Nauter mixer jacket, a method of removing moisture by reducing the pressure in the Nauter mixer to facilitate moisture evaporation, Nauter A method of removing moisture by passing dry air through a mixer is effective.
  • the temperature of the dry air is preferably 150 ° C.
  • the temperature of the dry air is preferably 50 ° C. or higher, more preferably 70 ° C. or higher, and most preferably 90 ° C. or higher. From the viewpoint of moisture removal efficiency, it is preferable to use dry air having a humidity of 0% as the dry air. In the case of removing water with the Nauta mixer under reduced pressure conditions, the reduced pressure conditions will be described in detail in the column of the vacuum rolling granulation method.
  • Extruder granulators include pelleter double, twin dome gran, disk pelleter (Dalton Co., Ltd.), basket type granulator (Kikusui Seisakusho Co., Ltd.), granulator (Hosokawa Micron Co., Ltd.), Known extrusion granulators such as the horizontal extrusion screw type extrusion granulator described in No. 192688 are listed. Further, a kneading and extruding apparatus such as Extrude Ohmics (manufactured by Hosokawa Micron Corporation) can also be used.
  • the diameter of the extrusion screen is preferably 0.3 to 2.0 mm, more preferably 0.5 to 2.0 mm, and still more preferably 0.5 to 1.0 mm, and forms such as a cylindrical or noodle-shaped granule Can be extruded.
  • the stirring rolling granulation method is particularly preferable from the viewpoint of granulation yield and the like.
  • a main agitation shaft having an agitation blade is provided at the center of the inside, and an auxiliary agitation shaft for further assisting mixing and suppressing generation of coarse particles is generally used. May have a structure protruding from the wall surface in a direction perpendicular to the main stirring shaft.
  • a method of removing moisture by heat transfer from the jacket warm water a method of removing moisture by reducing the pressure in the stirring rolling granulator to facilitate moisture evaporation
  • a method of removing moisture by passing dry air through a stirring tumbling granulator is effective.
  • a Henschel mixer made by Mitsui Miike Chemical Co., Ltd.
  • a high speed mixer made by Fukae Powtech Co., Ltd.
  • a vacuum unit are attached as the main stirring shaft is installed vertically.
  • High speed mixers (Fukae Powtech Co., Ltd.), vertical granulators (Fuji Sangyo Co., Ltd.) and the like can be mentioned.
  • Examples of those in which the main stirring shaft is installed horizontally include a Readyge mixer (manufactured by Matsuzaka Giken Co., Ltd.), a pro-share mixer (manufactured by Taiheiyo Kiko Co., Ltd.), and the like.
  • the temperature and pressure in the vacuum rolling machine can evaporate water in the component (a) at the moment when the component (a) is added. It is desirable to make it a condition.
  • spraying is performed for the purpose of facilitating evaporation, and the component (b), the components (b) to (c), or the components (b) to (d) are added. It is effective to mix or granulate at the same time as mixing while adding to the component and other optional components.
  • the removal of water from component (a) may be carried out in any step during spraying of component (a), mixing, or granulation.
  • the pressure in the vacuum rolling machine is preferably 20 kPa or less, more preferably 10 kPa or less, more preferably 5 kPa or less, and even more preferably 3 kPa or less from the viewpoint of facilitating the evaporation of moisture.
  • the temperature in the vacuum rolling machine is preferably 30 ° C. or higher, more preferably 40 ° C. or higher, more preferably 50 ° C. or higher, and still more preferably 60 ° C. or higher from the viewpoint of facilitating moisture evaporation.
  • 100 degrees C or less is preferable, 90 degrees C or less is more preferable, and 70 degrees C or less is still more preferable.
  • the obtained granulated product can be cooled in order to suppress coalescence and agglomeration of the compression molded product, and then can be sized as necessary.
  • a well-known grinder or crusher
  • high-speed mixer Frukae Powtech Co., Ltd.
  • Malmerizer Dalton Co., Ltd.
  • Spiler Flow Feund Sangyo Co., Ltd.
  • Fitzmill Dalton Co., Ltd.
  • Power Mill Power Mill
  • Comil Manufactured by Quadro
  • the amine oxide powder or granule produced by the method of the present invention is useful as a component of a cleaning composition, and the cleaning composition containing this is used as a cleaning agent for tableware, clothing, dwelling, etc. It can be used preferably, and is particularly suitable as a cleaning composition for an automatic dishwasher.
  • the cleaning composition for an automatic dishwasher of the present invention comprises an aqueous solution, suspension or paste (a) containing 50 to 95% by mass of the amine oxide represented by the general formula (1), and 5 to 80% by mass.
  • an amine oxide powder or granule obtained by mixing 95% to 20% by mass of the powder (b) comprising the polymer compound, and (e) an alkali agent and / or a sequestering agent.
  • an alkali agent hereinafter also referred to as (e-1) component
  • component (e-2) an alkali agent and / or a sequestering agent
  • alkaline agent examples include alkali metal carbonates such as sodium carbonate, potassium carbonate, sodium hydrogen carbonate, potassium hydrogen carbonate, alkali metal silicate, crystalline layered sodium silicate (trade name, manufactured by Tokuyama Siltec Co., Ltd. : Pre-feed) and the like, and an amorphous material can be used.
  • the alkaline agent is preferably a powder, but may be one having a particle diameter or bulk density adjusted by a granulation process or the like. In these, an alkali metal carbonate is preferable and sodium carbonate, potassium carbonate, sodium hydrogencarbonate, and potassium hydrogencarbonate are more preferable.
  • an amine compound can also be used as an alkali agent. As the amine compound, alkanolamine is preferable, primary alkanolamine is more preferable, and monoethanolamine is more preferable.
  • the sequestering agent is preferably a phosphate such as sodium tripolyphosphate.
  • a phosphate such as sodium tripolyphosphate.
  • a polycarboxylic acid such as glutamic acid or a salt thereof is used.
  • the component (e) preferably contains both the component (e-1) and the component (e-2).
  • the mass ratio of [(e-1) / (e-2)] is preferably 0.1 to 100, more preferably 0.2 to 20, and still more preferably 0.2 to 10.
  • the detergent composition for an automatic dishwasher of the present invention may contain (f) a surfactant other than the component (a) [hereinafter also referred to as the component (f)].
  • a surfactant other than the component (a) hereinafter also referred to as the component (f)
  • examples of the component (f) include nonionic surfactants, anionic surfactants, amphoteric surfactants, and cationic surfactants, and nonionic surfactants are particularly preferable.
  • the anionic surfactant is preferably not contained because it tends to increase the foamability and inhibit the effects of the present invention from the relationship with the component (a).
  • Nonionic surfactants include polyoxyethylene monoalkyl or monoalkenyl ether, polyoxyethylene alkylphenyl ether, polyoxypropylene monoalkyl or monoalkenyl ether, polyoxybutylene monoalkyl or monoalkenyl ether, alkylene oxide-added monoalkyl Group or monoalkenyl group-containing nonionic surfactant mixture, ethylene oxide condensed surfactant, alkyl glyceryl ether, alkyl glycoside and the like.
  • polyoxyalkylene alkyl ether is preferable, polyoxyethylene monoalkyl or monoalkenyl ether, wherein the average number of carbon atoms of the alkyl group or alkenyl group is 4 to 12, and the average number of moles of ethylene oxide added is Those having 1 to 20 moles are preferred.
  • the cleaning composition for an automatic dishwashing machine of the present invention can contain a known cleaning auxiliary component such as a bleaching agent, a bleaching activator, an enzyme, and a polymer other than the component (b).
  • the bleaching agent is preferably a solid substance that generates hydrogen peroxide or peracid species by dissolution, and includes sodium percarbonate, sodium perborate granules, etc.
  • the bleach activator includes tetraacetylethylenediamine. Alkanoyloxybenzenecarboxylic acid or a salt thereof, alkanoyloxybenzenesulfonate, and the like.
  • the enzyme examples include granulated substances such as protease, amylase, lipase, cellulase, esterase and peroxidase.
  • Amylase is preferable because it has an action on gelatinized starch and protease has an action on denatured proteins and the like.
  • polyalkylene glycol, particularly polypropylene glycol, an amphoteric polymer containing a monomer constituent unit having a cationic group and a monomer constituent unit having an anionic group examples include crosslinked polyacrylic acid.
  • polypropylene glycol having a weight average molecular weight of 600 to 20000, preferably 2000 to 12000 is preferable from the viewpoint of cleaning effect and low foamability.
  • extenders or diluents, organic solvents such as glycerin and ethanol, enzyme stabilizers such as calcium salts and formic acid, fragrances, antibacterial / antifungal agents, dyes, and the like can be added.
  • the content of each component in the cleaning composition for an automatic dishwasher of the present invention is as follows from the viewpoint of detergency and the like.
  • the content of the amine oxide powder or granule is preferably 1.0 to 90% by mass, more preferably 2.0 to 80% by mass, and still more preferably 5.0 to 70% by mass.
  • the content of the (e-1) alkali agent is preferably 1 to 60% by mass, more preferably 5 to 50% by mass, and the content of the (e-2) sequestering agent is preferably 1 to 50% by mass. More preferably, it is 1 to 30% by mass.
  • the content of (f) surfactant is preferably 0.1 to 10% by mass, more preferably 0.1 to 7% by mass, and still more preferably 0.2 to 5% by mass.
  • the mass ratio of the component (a) to the component (f) [component (a) / component (f)] is preferably 0.3 to 10, more preferably 0.5 to 6, and further preferably 1 to 5. It is.
  • the content of the bleaching agent is preferably 0 to 40% by mass
  • the content of the bleach activator is preferably 0 to 5% by mass
  • the content of the enzyme is preferably 0 to 2% by mass.
  • the content of the polymer other than the component (b) is preferably 0.1 to 10% by mass, more preferably 0.5 to 5% by mass, and further preferably 1 to 5% by mass.
  • the cleaning composition for an automatic dishwashing machine of the present invention may be either liquid or solid.
  • the liquid includes a fluid state such as a gel, and the solid includes a granular or tablet shape.
  • the solid composition include (e-1) 10 to 50% by mass of an alkali agent such as sodium carbonate and sodium metasilicate, and (e-2) 5 to 30% by mass of a sequestering agent such as citrate.
  • bleaching agents such as sodium percarbonate
  • bleach activators such as TAED
  • enzymes such as protease and amylase
  • high molecular polymers such as polypropylene glycol 0 to Examples
  • a composition containing a necessary amount of a filler or diluent such as sodium sulfate
  • a fragrance such as sodium sulfate
  • the pH (20 ° C.) of the 0.2 mass% aqueous solution is preferably 8.0 to 12.0, and more preferably 8.5 to 12.0.
  • liquid composition examples include (e-1) 1 to 10% by mass of an alkaline agent such as monoethanolamine, (e-2) 1 to 20% by mass of a sequestering agent such as citric acid and EDTA, protease and amylase.
  • Enzymes such as 0 to 2% by mass, other organic solvents such as glycerin and ethanol, 5 to 50% by mass, enzyme stabilizers such as calcium chloride, 0 to 2% by mass, bulking agents such as water, and necessary amounts
  • the composition contained in is mentioned.
  • the balance is usually water, and the pH (20 ° C.) is preferably 7.0 to 12.0, more preferably 8.0 to 12.0.
  • part and % mean “part by mass” and “% by mass” unless otherwise specified.
  • the particle strength, water-insoluble matter, and breaking load, bulk density, fluidity, and productivity of the obtained particles were measured, calculated, or evaluated by the following methods.
  • cleaning performance and low-foaming property evaluation of the cleaning composition for automatic dishwashers were performed as follows.
  • Particle Strength The particle strength of each particle was measured in a 25 ° C. environment using “PARTICLE HARDNESS TESTER GRANO” manufactured by Okada Seiko Co., Ltd.
  • Water-insoluble matter 1 L of 40 ° C. 3.5 ° hard water was poured into a beaker, 0.4 g of amine oxide powder was added while stirring with a magnetic stirrer, and the mixture was stirred for 10 minutes.
  • the undissolved amine oxide particles are collected with a 200 ⁇ m mesh wire mesh, dried at 105 ° C. for 1 hour, the mass of the undissolved amine oxide particles is measured, and the water insoluble content (%) is obtained by the following formula. Calculated.
  • Water insoluble content (%) [mass of undissolved amine oxide particles after drying (g) /0.4] ⁇ 100 (3) Breaking load Attach an adapter with a diameter of 30 mm to a rheometer (manufactured by Rheotech Co., Ltd.), set 30 g of amine oxide powder or granules in a metal cylindrical container, and apply a load of 1 kg / cm 2 (9800 mN) at 25 ° C. Compress for 3 minutes. Next, the amine oxide powder or granule molded by compression is taken out of the container, the ascending speed is adjusted to 2 cm / min, the platform is raised, force is applied to the molded body, and the force when the molded body breaks is measured, This value is the breaking load.
  • Protein stain cleaning performance Contaminated dishes were cleaned with an automatic dishwasher under the following cleaning conditions. This washer was cleaned by gradually warming 2.2 L of water from 20 ° C. to 60 ° C., and then rinsing three times (no temperature rise), and finally rinsing (gradually rising from 20 ° C. to 70 ° C.). It is of the type that is dried after being warmed). Three contaminated dishes were used and arranged vertically on the upper plate of the dish washer. At that time, the interval between the first and second sheets was 13 mm, and the interval between the second and third sheets was 5 mm.
  • Protein stain washing rate (%) (M2-M3) / (M2-M1) ⁇ 100 (Cleaning conditions) Contaminated dish: 0.7 g of egg yolk was applied as uniformly as possible to a ceramic dish with a diameter of 103 mm and denatured at 115 ° C. for 1 hour. Water used: 3.5 ° DH water Washing machine: Automatic dishwashing made by Matsushita Electric Industrial Co., Ltd. Machine (model NP-60SS5) Cleaning course: Standard course Amount of cleaning composition added: 6 g per 2.2 liters of water
  • the number of revolutions of the spray nozzle was counted while applying light from the upper part of the washing machine. The higher the number of rotations, the more the foam composition becomes an indicator of low foaming properties.
  • the mixture was charged into a speed mixer (trade name: LFS-2 (total volume: 2 L), manufactured by Fukae Powtech Co., Ltd.) and mixed for 1 minute under the conditions of an agitator rotation speed of 850 rpm and a chopper rotation speed of 1350 rpm to obtain a powder.
  • a speed mixer trade name: LFS-2 (total volume: 2 L), manufactured by Fukae Powtech Co., Ltd.
  • Example 2 Example 1 was the same as Example 1 except that the aqueous solution (a) of lauryldimethylamine oxide was 60% and the powder (b) of diisobutylene / maleic acid copolymer (trade name: ACUSOL460ND) was 40%. Was performed.
  • Example 3 Example 1 was the same as Example 1 except that the aqueous solution (a) of lauryldimethylamine oxide was 50% and the powder (b) of diisobutylene / maleic acid copolymer (trade name: ACUSOL460ND) was 50%. Was performed.
  • Example 4 Example 1 was the same as Example 1 except that the aqueous solution (a) of lauryldimethylamine oxide was 30%, and the powder (b) of diisobutylene / maleic acid copolymer (trade name: ACUSOL460ND) was 70%. Was performed.
  • Example 5 50% aqueous solution of lauryldimethylamine oxide (a) 20%, diisobutylene / maleic acid copolymer powder (b) (trade name: ACUSOL460ND) 25%, and amorphous silica (c) (Tokuyama Corporation) (Product name: Tokusir NR) 27% was charged into a Nauta mixer (Hosokawa Micron Corporation) and mixed at a jacket temperature of 90 ° C. for 20 minutes.
  • 28% of polyethylene glycol (d) melted in advance (trade name: K-PEG6000LA, manufactured by Kao Corporation) was added and further mixed for 20 minutes, and then the mixture was extracted.
  • the obtained mixture was extruded through a screen having a pore diameter of 0.7 mm using an extrusion granulator (Dalton Co., Ltd .: Pelleter Double EXD-100 type) to obtain a granulated product. Further, the granulated product was cooled and then pulverized with a granulator (Pauleck Co., Ltd .: Power Mill) to obtain granules.
  • extrusion granulator Dalton Co., Ltd .: Pelleter Double EXD-100 type
  • Example 6 In Example 5, 20% aqueous solution of lauryldimethylamine oxide (a), 25% diisobutylene / maleic acid copolymer powder (b) (trade name: ACUSOL460ND), 24% amorphous silica (c) The same operation as in Example 5 was carried out except that 23% of polyethylene glycol (d) and 8% of polypropylene glycol (manufactured by Asahi Glass Urethane Co., Ltd., trade name: Preminol S4011) were used as optional components.
  • a lauryldimethylamine oxide
  • b diisobutylene / maleic acid copolymer powder
  • c amorphous silica
  • Example 7 In Example 6, 26% of aqueous solution (a) of lauryldimethylamine oxide, 26% of powder (b) of diisobutylene / maleic acid copolymer (trade name: ACUSOL460ND), 20% of amorphous silica (c) The same operation as in Example 6 was carried out except that 20% of polyethylene glycol (d) and 8% of polypropylene glycol (trade name: Preminol S4011) were used as optional components.
  • Example 8 Diisobutylene / maleic acid copolymer powder (b) (trade name: ACUSOL 460ND) 17%, (c) sodium carbonate (product name: Dens ash) 62% Nauta mixer (manufactured by Hosokawa Micron) The jacket temperature was 90 ° C. and mixed for 5 minutes. Here, 5% of polypropylene glycol (trade name: Preminol S4011) as an optional component was added and mixed for 20 minutes. Next, using a continuous thin film dryer (trade name: Hi-U Brusher, manufactured by Kansai Chemical Machinery Co., Ltd.), an aqueous solution of lauryldimethylamine oxide having a concentration of 50% was concentrated to a concentration of 78%. Then, after further mixing for 20 minutes, 7% of amorphous silica (trade name: Toxeal NR, manufactured by Tokuyama Corporation) was added as a surface modifier and mixed for 5 minutes to obtain an amine oxide powder.
  • amorphous silica trade name:
  • Example 9 Diisobutylene / maleic acid copolymer powder (b) (trade name: ACUSOL 460ND) 15%, (c) sodium carbonate (manufactured by Central Glass Co., Ltd., trade name: dense ash) 62% high speed mixer (Fukae Powtech Co., Ltd.) And the jacket temperature was 65 ° C. and mixed for 5 minutes.
  • 5% of polypropylene glycol (trade name: Preminol S4011) as an optional component was added and mixed for 5 minutes.
  • a continuous thin film dryer (trade name: Hi-U Blusher), an aqueous solution of lauryl dimethylamine oxide having a concentration of 50% is concentrated to 74% concentration of paste (a) 9.5% over 30 minutes.
  • 8% of amorphous silica (trade name: Toxeal NR) was added as a surface modifier and mixed for 5 minutes to obtain amine oxide granules.
  • Example 10 Paste (a) 13%, diisobutylene / maleic acid obtained by concentrating an aqueous solution of lauryldimethylamine oxide having a concentration of 50% to a concentration of 77% using a continuous thin film dryer (Hi-U blusher manufactured by Kansai Chemical Machinery Co., Ltd.) Copolymer powder (b) (trade name: ACUSOL 460ND) 25%, amorphous silica (c) (trade name: Toxeal NR) 33%, and polypropylene glycol (trade name: Preminol S4011) 8% as an optional component Was placed in a Nauta mixer (Hosokawa Micron Corporation) and mixed at a jacket temperature of 90 ° C. for 20 minutes.
  • a continuous thin film dryer Hi-U blusher manufactured by Kansai Chemical Machinery Co., Ltd.
  • Copolymer powder (b) (trade name: ACUSOL 460ND) 25%, amorphous silica (c) (trade name: Toxeal NR
  • pre-melted polyethylene glycol (d) (trade name: K-PEG6000LA) was added and further mixed for 20 minutes, and then the mixture was extracted.
  • the obtained mixture was extruded through a screen having a pore diameter of 0.7 mm using an extrusion granulator (Dalton Co., Ltd .: Pelleter Double EXD-100 type) to obtain a granulated product.
  • the granulated product was cooled and then pulverized with a granulator (Pauleck Co., Ltd .: Power Mill) to obtain granules.
  • Example 11 High-speed mixer with 15% diisobutylene / maleic acid copolymer powder (b) (trade name: ACUSOL 460ND) and (c) 62% sodium carbonate (trade name: dense ash), with vacuum unit (Fukae Powtech Co., Ltd.) was charged and mixed at a jacket temperature of 65 ° C. and a vacuum of 3 kPa for 5 minutes.
  • vacuum unit Fluorescence Unit
  • 5% of polypropylene glycol manufactured by Asahi Glass Urethane Co., Ltd., trade name: Preminol S4011
  • Preminol S4011 which is an optional component
  • Example 12 20% aqueous solution of lauryldimethylamine oxide (a) having a concentration of 50%, amorphous silica (c) (trade name: Toxeal NR) 33%, and polypropylene glycol (trade name: Preminol S4011) 8% as an optional component
  • the mixture was charged into a termixer (Hosokawa Micron Co., Ltd.), the jacket temperature was 90 ° C., and the mixture was mixed for 360 minutes while flowing 90 ° C. dry air from the top of the Nauter mixer at 10 m 3 / min.
  • diisobutylene / maleic acid copolymer powder (b) (trade name: ACUSOL460ND) was added and mixed for 5 minutes, and then melted in advance to polyethylene glycol (d) (trade name: K- PEG6000LA) was added at 21%, and further mixed for 20 minutes, and then the mixture was extracted. By passing dry air, 70% of the total water content of component (a) was evaporated. Next, the obtained mixture was extruded through a screen having a pore diameter of 0.7 mm using an extrusion granulator (Dalton Co., Ltd .: Pelleter Double EXD-100 type) to obtain a granulated product. Further, the granulated product was cooled and then pulverized with a granulator (Pauleck Co., Ltd .: Power Mill) to obtain granules.
  • b diisobutylene / maleic acid copolymer powder
  • d polyethylene glycol
  • K- PEG6000LA trade name: K-
  • Comparative Example 1 An aqueous solution of lauryldimethylamine oxide with a concentration of 50% (a), 85% diisobutylene / maleic acid copolymer powder (b) (trade name: ACUSOL460ND) and a high-speed mixer (Fukae Powtech Co., Ltd., product) Name: LFS-2 (total volume: 2 L)) and mixed under the conditions of an agitator rotation speed of 850 rpm and a chopper rotation speed of 1350 rpm, but became a slurry and did not become powder.
  • a lauryldimethylamine oxide with a concentration of 50%
  • b diisobutylene / maleic acid copolymer powder
  • a high-speed mixer Flukae Powtech Co., Ltd., product
  • Comparative Example 2 Except for using 80% of an aqueous solution of lauryldimethylamine oxide having a concentration of 5% (referred to as (a ′)) and 20% of powder (b) of diisobutylene / maleic acid copolymer (trade name: ACUSOL460ND), The same operation as in Comparative Example 1 was performed, but the slurry was not powdered.
  • Comparative Example 3 30% aqueous solution (a) of 50% lauryl dimethylamine oxide and 70% zeolite (trade name: Toyo Builder (4A type, average particle size: 3.5 ⁇ m) manufactured by Tosoh Corporation) at high speed The mixture was charged into a mixer (manufactured by Fukae Powtech Co., Ltd.) and mixed for 1 minute under the conditions of an agitator rotation speed of 850 rpm and a chopper rotation speed of 1350 rpm to obtain a powder. The obtained powder had poor solubility, and a large amount of water-insoluble matter was detected.
  • zeolite trade name: Toyo Builder (4A type, average particle size: 3.5 ⁇ m
  • Comparative Example 4 In Comparative Example 3, Comparative Example 3 except that 30% of the aqueous solution (a) of lauryldimethylamine oxide and 70% of silicate (made by Tokuyama Siltec Co., Ltd., crystalline silicate, trade name: Prefeed) were used. The same operation was performed to obtain a powder.
  • Table 1 shows that according to the method of the present invention, amine oxide powders or granules having excellent solubility can be efficiently produced.
  • Example 13 In order to examine the difference in effect due to the difference in carbon number of amine oxide, 2% by mass of linear alkyldimethylamine oxide having different carbon number of the alkyl group shown in Table 2 and 5% by mass of isobutylene / maleic anhydride copolymer , 7% by weight of sodium carbonate, 20% by weight of sodium citrate, 5% by weight of silicate, 20% by weight of sodium percarbonate, 0.5% by weight of amylase, 1% by weight of protease, and the rest of the anhydrous dishwashing powder. A machine cleaning composition was obtained. The cleaning performance of these cleaning compositions was examined by the evaluation method. The results are shown in Table 2.
  • the isobutylene / maleic anhydride copolymer has an isobutylene / maleic anhydride molar ratio of 50/50 and a weight average molecular weight of 6000 (manufactured by Kuraray Co., Ltd., Isoban 600L), and silicate is a crystalline silicate (pre-polymer).
  • amine oxides having 4 to 8 carbon atoms in the alkyl group particularly amine oxides having 6 or 8 carbon atoms, showed a remarkable detergency.
  • Examples 14 to 25 and Comparative Examples 5 to 10 Cleaning agents for automatic dishwashers having the compositions shown in Tables 3 and 4 were evaluated.
  • the cleaning composition among the components shown in Tables 3 and 4, first, powder components other than enzyme components are mixed, and liquid components such as amine oxide and nonionic surfactant are added thereto and mixing is continued. Finally, the enzyme component was added.
  • Nonionic surfactant (2) Linear chain having 8 carbon atoms. Nonionic surfactant with 3 moles of ethylene oxide added to primary alcohol on average. Sodium percarbonate: Sodium percarbonate whose surface is coated with sodium metaborate. Average particle size 700 ⁇ m Protease: Sabinase 18.0T (trade name) (Novo Nordisk Bioindustry Co., Ltd.), average particle size 600 ⁇ m Amylase: Duramil 120T (trade name) (Novo Nordisk Bioindustry Co., Ltd.), average particle size 600 ⁇ m
  • Tables 3 and 4 show that the cleaning composition of the present invention exhibits sufficient cleaning power even under non-ideal conditions where the distance between dishes is short.
  • Examples 26-36 The formulation examples shown in Table 5 show cleaning compositions in which optional components are further added in order to further improve the detergency. Manufacturing of the cleaning composition of Table 5 was performed based on the above-described production method, but after adding liquid components other than the fragrance, amorphous silica was added and mixed, and then the fragrance was added. And an enzyme and then a bleaching agent were added, and the powdery cleaning composition of Table 5 was obtained.
  • Amorphous silica Toxeal NR (trade name) (oil absorption capacity: 210 to 270 mL / 100 g, primary particle diameter of about 20 nm, manufactured by Tokuyama Corporation)
  • the cleaning compositions in Table 5 also showed excellent cleaning performance even when the dishwashing was packed in an automatic dishwashing machine.
  • the method of the present invention it is possible to provide an efficient method for producing an amine oxide powder or granule excellent in solubility, and a cleaning composition for an automatic dishwasher containing the amine oxide powder or granule. Since the production method of the present invention does not require a large amount of heat energy, it is advantageous in industrial production and has excellent solubility from the viewpoint of the stability, production cost and environmental load of the resulting amine oxide powder or granule. .
  • the cleaning composition for an automatic dishwasher of the present invention satisfies both excellent stain removal properties and low foaming properties at the same time. Therefore, the composition of the present invention has excellent detergency even under non-ideal conditions such as when tableware is excessively stored in an automatic dishwasher or when tableware is stacked and stored. Indicates.

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Abstract

L'invention porte sur un procédé pour la production efficace d'une poudre ou de granulés d'oxyde d'amine ayant une excellente solubilité, lequel comprend le mélange de 5 à 80 % en masse de (a) une solution aqueuse, une suspension ou une pâte contenant 50 à 95 % en masse d'un oxyde d'amine représenté par la formule générale (1) avec 95 à 20 % en masse de (b) une poudre comprenant un composé polymère qui contient une unité constitutive issue d'un composé ayant un groupe acide carboxylique et/ou un résidu d'anhydride carboxylique et une unité constitutive issue d'un hydrocarbure aliphatique ayant de 3 à 10 atomes de carbone et ayant une liaison insaturée polymérisable en proportion totale de 80 % en mole ou plus par rapport à la quantité totale de toutes les unités constitutives. L'invention porte également sur une composition de détergent pour un lave-vaisselle automatique, laquelle comprend la poudre ou les granulés d'oxyde d'amine. [Dans la formule, R1 représente un groupe hydrocarboné ayant de 3 à 8 atomes de carbone ; R2 et R3 représentent indépendamment un groupe alkyle ayant de 1 à 3 atomes de carbone, ou similaire ; R4 représente un groupe alcanediyle ayant de 2 à 3 atomes de carbone ; X représente un groupe amide ou un groupe éther ; et n représente un nombre valant 0 ou 1].
PCT/JP2009/060632 2008-12-22 2009-06-10 Procédé pour la production de poudre ou de granulés d'oxyde d'amine Ceased WO2010073752A1 (fr)

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JP2012214539A (ja) * 2011-03-31 2012-11-08 Kao Corp 自動食器洗浄機用洗浄剤組成物
JP2014505126A (ja) * 2010-12-16 2014-02-27 アクゾ ノーベル ケミカルズ インターナショナル ベスローテン フエンノートシャップ 低ストリーク脱油性組成物
US11655436B2 (en) * 2018-01-26 2023-05-23 Ecolab Usa Inc. Solidifying liquid amine oxide, betaine, and/or sultaine surfactants with a binder and optional carrier
US11834628B2 (en) 2018-01-26 2023-12-05 Ecolab Usa Inc. Solidifying liquid anionic surfactants
US12006488B2 (en) 2018-01-26 2024-06-11 Ecolab Usa Inc. Solidifying liquid amine oxide, betaine, and/or sultaine surfactants with a carrier
WO2024126730A1 (fr) * 2022-12-16 2024-06-20 Innospec Performance Chemicals Italia Srl Compositions particulaires

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JP5386240B2 (ja) * 2009-06-10 2014-01-15 花王株式会社 自動食器洗浄機用洗浄剤組成物
JP2012026700A (ja) 2010-07-27 2012-02-09 Mitsubishi Heavy Ind Ltd デシカント空調システム
JP5751890B2 (ja) * 2011-03-31 2015-07-22 花王株式会社 自動食器洗浄機用洗浄剤組成物
JP6053135B2 (ja) * 2012-12-28 2016-12-27 花王株式会社 自動食器洗浄機用洗浄剤組成物

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US11834628B2 (en) 2018-01-26 2023-12-05 Ecolab Usa Inc. Solidifying liquid anionic surfactants
US11976255B2 (en) 2018-01-26 2024-05-07 Ecolab Usa Inc. Solidifying liquid amine oxide, betaine, and/or sultaine surfactants with a binder and optional carrier
US12006488B2 (en) 2018-01-26 2024-06-11 Ecolab Usa Inc. Solidifying liquid amine oxide, betaine, and/or sultaine surfactants with a carrier
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WO2024126730A1 (fr) * 2022-12-16 2024-06-20 Innospec Performance Chemicals Italia Srl Compositions particulaires

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