WO2020262043A1 - 粘性組成物 - Google Patents
粘性組成物 Download PDFInfo
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- WO2020262043A1 WO2020262043A1 PCT/JP2020/023218 JP2020023218W WO2020262043A1 WO 2020262043 A1 WO2020262043 A1 WO 2020262043A1 JP 2020023218 W JP2020023218 W JP 2020023218W WO 2020262043 A1 WO2020262043 A1 WO 2020262043A1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/04—Dispersions; Emulsions
- A61K8/06—Emulsions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/34—Alcohols
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/34—Alcohols
- A61K8/342—Alcohols having more than seven atoms in an unbroken chain
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/60—Sugars; Derivatives thereof
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- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/60—Sugars; Derivatives thereof
- A61K8/604—Alkylpolyglycosides; Derivatives thereof, e.g. esters
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- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
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- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8105—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- A61K8/8111—Homopolymers or copolymers of aliphatic olefines, e.g. polyethylene, polyisobutene; Compositions of derivatives of such polymers
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- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- A61K8/8147—Homopolymers or copolymers of acids; Metal or ammonium salts thereof, e.g. crotonic acid, (meth)acrylic acid; Compositions of derivatives of such polymers
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- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- A61K8/8152—Homopolymers or copolymers of esters, e.g. (meth)acrylic acid esters; Compositions of derivatives of such polymers
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- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8194—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds; Compositions of derivatives of such polymers
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- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/86—Polyethers
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- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
- C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
- C08F2/26—Emulsion polymerisation with the aid of emulsifying agents anionic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
- C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
- C08F2/30—Emulsion polymerisation with the aid of emulsifying agents non-ionic
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/05—Alcohols; Metal alcoholates
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/06—Ethers; Acetals; Ketals; Ortho-esters
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- 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
- C08L33/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/10—General cosmetic use
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/48—Thickener, Thickening system
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2800/00—Copolymer characterised by the proportions of the comonomers expressed
- C08F2800/20—Copolymer characterised by the proportions of the comonomers expressed as weight or mass percentages
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/52—Aqueous emulsion or latex, e.g. containing polymers of a glass transition temperature (Tg) below 20°C
Definitions
- This disclosure relates to viscous compositions and the like. More specifically, the present disclosure relates to viscous compositions containing a carboxyl group-containing water-soluble copolymer. The contents of all documents described in the present specification are incorporated in the present specification by reference.
- Carboxyl group-containing water-soluble copolymers are used in various fields as thickeners for cosmetics, moisturizers such as poultices, suspension stabilizers for emulsifiers and suspensions, gelling bases for batteries, etc. Has been done.
- the carboxyl group-containing water-soluble copolymer has a thickening effect, and a viscous composition can be obtained by dissolving or dispersing it in water or the like. Since the thickening action is dramatically improved by increasing the amount of the copolymer, if a large amount of the copolymer is contained in water, the viscosity becomes too high or becomes almost solid, and the handling becomes possible. The sex is significantly reduced. Therefore, after preparing a viscous composition containing a carboxyl group-containing water-soluble copolymer, which is usually 1 to 1.5% by mass, and at most 2% by mass, a subsequent product (for example, cosmetics) is produced. Used for.
- the concentration of the aqueous dispersion composition in which the copolymer is dissolved or dispersed in water is as high as possible, so that the efficiency in the production of products such as cosmetics is improved. Therefore, it is advantageous if a viscous composition can be prepared in which the handleability is not lost even though the copolymer has a high concentration.
- the present disclosure includes, for example, the subjects described in the following sections.
- Item 1. At least one copolymer or salt thereof selected from the group consisting of the following (A-1), (A-2), and (A-3)
- A-1 The following (i) Copolymer obtained by polymerizing and (ii) (A-2) Copolymer obtained by polymerizing the following (i) and (iii) (A-3) Next (i), (ii) , And (iii) Copolymer obtained by polymerizing (i) (meth) acrylic acid 100 parts by mass (ii) Compound having two or more ethylenically unsaturated groups 0.001 to 1 part by mass (iii) alkyl A group consisting of (B-1), (B-2), and (B-3) having 0.5 to 5 parts by mass (B) or less of a (meth) acrylic acid alkyl ester having 10 to 30 carbon atoms in a group.
- At least one emulsifier of choice (B-1) Alcohol having a structure in which the hydrogen atom of a linear alkane having 18 to 24 carbon atoms is substituted with a hydroxymethyl group or a hydroxyethyl group (B-2) 1 monosaccharide or 2 to 6 carbon atoms Contains (B-1) ether (B-3) polyethylene glycol (mono or di) ester of polyhydroxy fatty acid (C) water, and (D) fat and oil component. (A) is contained in an amount of 10 to 35% by mass, and the mass ratio ((D) / (B)) of (D) and (B) is 1 to 8. Viscous emulsified composition. Item 2. Item 2.
- composition according to Item 1 wherein the mass ratio ((D) / (B)) of (D) and (B) is 2 to 5.
- Item 3. Item 2. The composition according to Item 1 or 2, which contains 20 to 50% by mass of (D).
- Item 4. Item 2. The composition according to any one of Items 1 to 3, wherein the viscosity at 25 ° C. is 1000 to 100,000 mPa ⁇ s. Item 5.
- Items ( ⁇ ) (B-1) are octyldodecanol, ( ⁇ ) (B-2) sugar is xylose, and ( ⁇ ) (B-3) is polyethylene glycol mono or diester of polyhydroxystearic acid.
- (B-1) is octyldodecanol
- (B-2) is octyldodecylxiloside
- Item 2 The composition according to any one of Items 1 to 4, wherein (B-3) is a polyethylene glycol diester of polyhydroxystearic acid.
- (A) is selected from the group consisting of the copolymer of (A-1) or a salt thereof, and the copolymer of (A-3).
- Item 8. Item 2. The composition according to any one of Items 1 to 7, wherein (B) comprises (B-1), (B-2), and (B-3).
- Item 9. Item 5. The item 1 to 7, wherein (B) comprises (B-1) 50 to 60% by mass, (B-2) 10 to 30% by mass, and (B-3) 10 to 30% by mass. Composition.
- Item 10. At least one copolymer or a salt thereof selected from the group consisting of the following (A-1) and (A-3) (A-1) The following (i) and (ii) are polymerized.
- (A) is contained in an amount of 10 to 35% by mass
- (D) is contained in an amount of 20 to 50% by mass.
- the mass ratio ((D) / (B)) of (D) and (B) is 1 to 8. Viscous emulsified composition.
- a viscous emulsified composition that does not become so viscous that it loses its handleability even though it contains a carboxyl group-containing water-soluble copolymer at a relatively high concentration.
- the present disclosure preferably includes, but is limited to, a viscous composition (particularly, a viscous composition containing a carboxyl group-containing water-soluble copolymer having maintained handleability) and a method for preparing the viscous composition. Without being made, this disclosure includes everything described herein and recognizable to those skilled in the art.
- the viscous emulsified composition included in the present disclosure contains (A) a specific copolymer or a salt thereof, (B) a specific emulsifier, (C) water, and (D) a fat component.
- the viscous emulsified composition may be referred to as the viscous emulsified composition of the present disclosure.
- the specific copolymer or salt thereof is at least one copolymer or salt thereof selected from the group consisting of the following (A-1), (A-2), and (A-3). Is.
- copolymers (A-1), (A-2), and (A-3) copolymers are used as copolymers (A-1), copolymers (A-2), and copolymers, respectively. It may be called (A-3).
- the copolymer of (A) may be referred to as "the copolymer of the present disclosure” (that is, the copolymers (A-1) to (A-3) are collectively used).
- the copolymer of the present disclosure (A-1) or (A-3) is more preferable.
- (meth) acrylic means acrylic and / or methacrylic.
- acrylic acid either one of acrylic acid and methacrylic acid may be used alone, or both of them may be used in combination.
- Alkyl groups have 10 to 30 carbon atoms (10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,
- the (meth) acrylic acid alkyl ester of 30) is an ester of (meth) acrylic acid and a higher alcohol having an alkyl group having 10 to 30 carbon atoms. More preferably, the alkyl group has, for example, 12 to 30, 14 to 28, 16 to 26, or 18 to 24 carbon atoms.
- Such (meth) acrylic acid alkyl ester is not particularly limited, and is, for example, an ester of (meth) acrylic acid and stearyl alcohol, an ester of (meth) acrylic acid and eicosanol, and (meth) acrylic acid and behenyl alcohol. Examples thereof include an ester of (meth) acrylic acid and an ester of tetracosanol.
- these (meth) acrylic acid alkyl esters preferably stearyl methacrylate, eicosanyl methacrylate, behenyl methacrylate, and tetracosanyl methacrylate can be mentioned.
- each of these (meth) acrylic acid alkyl esters may be used alone, or two or more thereof may be used in combination. Further, as such a (meth) acrylic acid alkyl ester, for example, commercially available products such as NOF Corporation's trade names Blemmer VMA70 and Brenmer SMA may be used.
- the amount of the (meth) acrylic acid alkyl ester used is 0.5 to 10 parts by mass, preferably 0.5 to 5 parts by mass or 1 to 5 parts by mass with respect to 100 parts by mass of (meth) acrylic acid. It is more preferably 1 to 3 parts by mass.
- the compound having two or more ethylenically unsaturated groups is not particularly limited, but for example, ethylene glycol, propylene glycol, polyoxyethylene glycol, polyoxypropylene glycol, glycerin, polyglycerin, trimethylolpropane, penta.
- Acrylic acid esters with two or more substitutions of polyols such as erythritol, saccharose, and sorbitol; allyl ethers with two or more substitutions of the polyols; diallyl phthalate, triallyl phosphate, allyl methacrylate, tetraallyloxyethane, triaryl cyanurate , Divinyl adipate, vinyl crotonate, 1,5-hexadiene, divinylbenzene, polyallyl saccharose and the like.
- sucrose allyl ether preferably pentaerythritol triallyl ether, pentaerythritol tetraallyl ether
- tetraallyloxyethane examples thereof include triallyl phosphate and polyallyl saccharose, with sucrose allyl ether and pentaerythritol allyl ether being more preferable.
- the compounds having two or more of these ethylenically unsaturated groups may be used individually or in combination of two or more.
- the amount of the compound having two or more ethylenically unsaturated groups used is 0.001 to 1 part by mass with respect to 100 parts by mass of (meth) acrylic acid.
- the lower limit of the range may be, for example, 0.005, 0.01, 0.015, 0.02, 0.025, 0.03, 0.035, or 0.04.
- the upper limit of the range may be, for example, 0.95, 0.9, 0.85, 0.8, 0.75, 0.7, 0.65, or 0.6.
- the amount used is preferably 0.01 to 0.8 parts by mass, more preferably 0.02 to 0.7 parts by mass with respect to 100 parts by mass of (meth) acrylic acid.
- the amount of the compound having two or more ethylenically unsaturated groups used is 0.1 to 1 part by mass with respect to 100 parts by mass of (meth) acrylic acid.
- the upper or lower limit of the mass ratio range may be 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, or 0.9.
- the mass ratio range is more preferably 0.2 to 0.8 or 0.3 to 0.7.
- the amount of the compound having two or more ethylenically unsaturated groups used is 0.01 to 0.1 with respect to 100 parts by mass of (meth) acrylic acid. It is preferably parts by mass.
- the upper or lower limit of the mass ratio range may be 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, or 0.09.
- the mass ratio range is more preferably 0.02 to 0.08, or 0.03 to 0.07.
- the method for polymerizing is particularly limited.
- a method of polymerizing these in a polymerization solvent in the presence of a radical polymerization initiator can be mentioned.
- the radical polymerization initiator is not particularly limited, and is, for example, ⁇ , ⁇ '-azobisisobutyronitrile, 2,2'-azobis-2,4-dimethylvaleronitrile, 2,2'-azobismethyl. Examples thereof include isobutyrate, 2,2'-azobis (2-methylpropionamidine) dihydrochloride, benzoyl peroxide, lauroyl peroxide, cumene hydroperoxide, tertiary butyl hydroperoxide and the like. Each of these radical polymerization initiators may be used alone, or two or more thereof may be used in combination.
- the amount of the radical polymerization initiator used is not particularly limited, but is preferably 0.01 to 0.45 parts by mass and 0.01 to 0.35 parts by mass with respect to 100 parts by mass of (meth) acrylic acid. The part is more preferable.
- copolymer (A-1) and the description of the copolymer (A-3) are common unless otherwise specified, except for the presence or absence of the above (iii) at the time of polymerization. Further, the description of the copolymer (A-2) and the description of the copolymer (A-3) are common unless otherwise specified, except for the presence or absence of the above (ii) at the time of polymerization.
- copolymers (A-1) to (A-3) can be preferably prepared by, for example, precipitation polymerization or reverse phase suspension polymerization. Furthermore, reverse phase suspension polymerization may be carried out in a polymerization solvent containing a nonionic surfactant having a polyoxyethylene chain.
- nonionic surfactant having the polyoxyethylene chain examples include polyhydric fatty acid ester ethylene oxide adduct, block copolymer of hydroxy fatty acid and ethylene oxide, and polyoxyethylene castor oil.
- polyhydric alcohol fatty acid ester ethylene oxide adduct an ester compound of polyoxyethylene hydrogenated castor oil and polyhydric alcohol fatty acid is preferably mentioned.
- the polyhydric alcohol fatty acid here is a saturated or unsaturated polyvalent (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, or 24) having 14 to 24 carbon atoms (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, or 24).
- divalent alcohol fatty acids are preferable, and more specifically, isopalmitic acid, isostearic acid, isooleic acid and the like are preferably mentioned.
- the average number of moles of ethylene oxide added to polyoxyethylene in the ester compound of polyoxyethylene hydrogenated castor oil and polyhydric alcohol fatty acid is not particularly limited, and examples thereof include about 20 to 100 or about 30 to 70.
- Particularly preferable as an ester compound of the polyoxyethylene cured castor oil and the polyhydric alcohol fatty acid is polyoxyethylene cured castor oil isostearate.
- the polyoxyethylene castor oil preferably has an addition mole number of ethylene oxide of about 2 to 10, and more preferably about 2 to 5.
- the block copolymer of hydroxy fatty acid and ethylene oxide can be said to be a copolymer composed of polyhydroxy fatty acid and polyoxyethylene.
- the fatty acid of the polyhydroxy fatty acid is preferably a fatty acid having about 14 to 22 carbon atoms, preferably myristic acid, palmitic acid, stearic acid and the like, and examples of the hydroxy fatty acid are hydroxymyristic acid, hydroxypalmitic acid, hydroxystearic acid and the like. Is preferable, and hydroxystearic acid is particularly preferable.
- As the hydroxystearic acid 12-hydroxystearic acid is particularly preferable.
- As the polyhydroxy fatty acid polyhydroxystearic acid is particularly preferable.
- As the block copolymer of hydroxy fatty acid and ethylene oxide a block copolymer of 12-hydroxystearic acid and ethylene oxide is particularly preferable.
- the nonionic surfactant having the polyoxyethylene chain can be used alone or in combination of two or more.
- the amount of the nonionic surfactant having the polyoxyethylene chain used is preferably about 0.5 to 10 parts by mass with respect to 100 parts by mass of (i) (meth) acrylic acid.
- the lower limit of the mass range may be, for example, about 0.75, 1.0, 1.25, or 1.5, and the upper limit of the mass range may be, for example, 9.5, 9, 8. It may be about 5.5, 8, 7.5, 7, 6.5, 6, or 5.5. For example, about 1 to 7.5 parts by mass is more preferable.
- the polymerization solvent is not particularly limited, but is an alkyl-modified carboxyl obtained by dissolving a (meth) acrylic acid, the (meth) acrylic acid alkyl ester, and a compound having two or more ethylenically unsaturated groups.
- a solvent that does not dissolve the group-containing water-soluble copolymer is preferable.
- polymerization solvent examples include normal pentane, normal hexane, normal heptane, normal octane, isooctane, cyclopentane, methylcyclopentane, cyclohexane, methylcyclohexane, benzene, toluene, xylene, chlorobenzene, ethylene dichloride, ethyl acetate. , Isopropyl acetate, ethyl methyl ketone, isobutyl methyl ketone and the like.
- ethylene dichloride, normal hexane, normal heptane, and ethyl acetate are preferable from the viewpoint of stable quality and easy availability.
- Each of these polymerization solvents may be used alone, or two or more kinds may be used in combination.
- the amount of the polymerization solvent used is not particularly limited, but is preferably 200 to 10,000 parts by mass and more preferably 300 to 2,000 parts by mass with respect to 100 parts by mass of (meth) acrylic acid.
- the polymerization solvent within the above range, even if the polymerization reaction proceeds, the alkyl-modified carboxyl group-containing water-soluble copolymer is preferably suppressed from agglomeration and uniformly stirred, and the polymerization reaction is made more efficient. It becomes possible to proceed in a targeted manner.
- the atmosphere when the polymerization reaction is carried out is not particularly limited as long as the polymerization reaction is possible, and examples thereof include an inert gas atmosphere such as nitrogen gas and argon gas.
- the reaction temperature when carrying out the above polymerization reaction is not particularly limited as long as the polymerization reaction is possible, but for example, it is preferably 50 to 90 ° C, more preferably 55 to 75 ° C.
- By carrying out the polymerization reaction at such a reaction temperature it is possible to preferably suppress an increase in the viscosity of the reaction solution, facilitate reaction control, and further increase the bulk density of the obtained alkyl-modified carboxyl group-containing water-soluble copolymer. Can be preferably controlled.
- the reaction time for carrying out the above polymerization reaction varies depending on the reaction temperature and cannot be unconditionally determined, but is usually 2 to 10 hours.
- reaction solution is heated to 80 to 130 ° C. to remove the polymerization solvent, whereby an alkyl-modified carboxyl group-containing water-soluble copolymer of white fine powder can be isolated.
- the copolymer of the present disclosure may be used alone or in combination of two or more.
- the copolymer of the present disclosure is contained in an amount of 10 to 35% by mass.
- the upper or lower limit of the range is, for example, 11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31. , 32, 33, or 34% by mass.
- the range may be 15 to 35% by mass or 20 to 33% by mass.
- the emulsifier (B) contained in the viscous emulsified composition of the present disclosure is at least one selected from the group consisting of the following (B-1), (B-2), and (B-3). It is a seed.
- the emulsifier of (B) may be referred to as the emulsifier of the present disclosure.
- (B-1) It has a structure in which the hydrogen atom of a linear alkane having 18 to 24 carbon atoms (18, 19, 20, 21, 22, 23, or 24) is substituted with a hydroxymethyl group or a hydroxyethyl group.
- Alcohol (B-2) Ether consisting of 1 monosaccharide or 2 to 6 monosaccharides and (B-1) Alcohol (B-3) Polyhydroxy fatty acid polyethylene glycol (mono or di) ester
- the hydrogen atom substituted with the hydroxymethyl group or the hydroxyethyl group may be a hydrogen atom bonded to any carbon atom of a linear alkane having 18 to 24 carbon atoms, that is, the said hydrogen atom. It may be a hydrogen atom of -CH 3 group or -CH 2- group of alkane.
- a carbon atom existing at one end of the alkane that is, three carbon atoms of -CH), or 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, from the one end, It may be a hydrogen atom bonded to the 12th, 13th, 14th, 15th, 16th, 17th, 18th, 19th, 20th, 21st, 22nd, 23rd, or 24th carbon atom.
- the number of hydrogen atoms to be substituted is preferably 1, 2, 3, or 4, for example, and particularly preferably 1.
- octyldodecanol As the alcohol of (B-1), octyldodecanol (particularly 2-octyldodecanol) is preferable, and 2-n-octyl-1-dodecanol is more preferable.
- the monosaccharides constituting the ether of (B-2) 5 monosaccharides or 6 monosaccharides are preferable, and 5 monosaccharides are more preferable. Further, aldose or ketose is preferable, and aldose is more preferable. More specifically, xylose is particularly preferable as the monosaccharide.
- the alcohol (B-1) constituting the ether of (B-2) and the alcohol (B-1) contained in the viscous emulsification composition of the present disclosure may be the same or different.
- the ether of (B-2) is a (B-1) alcohol in a polysaccharide consisting of one monosaccharide or 2 to 6 (2, 3, 4, 5, or 6) monosaccharides.
- the oligomer structure (X) p is any isomer regardless of the structural isomer or the stereoisomer, and may be a mixture of these isomers.
- p represents the average degree of polymerization of sugars and is a number of 1 to 6, preferably 1 to 2.5, and more preferably 1 to 2.0.
- octyldodecylxiloside is particularly preferable.
- the octyldodecyl xyloside represents a group having a structure in which the hydrogen atom is removed from the OH group of octyldodecanol in the above formula (I), and the X is the same and xylose is used. It represents a compound having p (average degree of polymerization of xylose) of about 1 to 2.5.
- the fatty acid in the polyhydroxy fatty acid constituting the ester of (B-3) has 12 to 24 carbon atoms (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, or 24).
- Saturated or unsaturated fatty acids are preferred.
- straight-chain or branched-chain fatty acids are preferable, and straight-chain fatty acids are more preferable. More specifically, lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid, linoleic acid and the like are preferable, and stearic acid is particularly preferable.
- a hydroxy fatty acid has a structure in which a hydrogen atom bonded to a carbon chain constituting the fatty acid is substituted with a hydroxy group.
- the hydrogen atom to be substituted may be a hydrogen atom bonded to any carbon atom other than the carbon atom of the carboxyl group.
- the number of hydrogen atoms to be substituted (that is, the number of hydroxy groups contained in the hydroxy fatty acid) may be, for example, 1, 2, 3, or 4, and is particularly preferably 1.
- the polyhydroxy fatty acid is preferably composed of the same or different hydroxy fatty acids, and more preferably composed of the same hydroxy fatty acid. As the hydroxy fatty acid, hydroxystearic acid is particularly preferable, and 12-hydroxystearic acid is particularly preferable.
- the polyhydroxy fatty acid preferably has an average molecular weight of 1000 to 4000.
- polyhydroxy fatty acid constituting the ester of (B-3) specifically, polyhydroxystearic acid (particularly poly (12-hydroxystearic acid)) is preferable.
- the polyhydroxystearic acid preferably has an average molecular weight of 1000 to 4000.
- polyethylene glycol constituting the ester of (B-3) preferably has an average molecular weight of about 400 to 6000.
- ester of (B-3) polyethylene glycol mono or diester of polyhydroxystearic acid is preferable, and polyethylene glycol diester of polyhydroxystearic acid is more preferable.
- diester those whose INCI name is listed as PEG-30 dipolyhydroxystearic acid are preferable. Examples of commercially available products of the diester include Aracel P-135 (trade name) manufactured by Unichema.
- (B), that is, the emulsifier of the present disclosure is preferably composed of (B-1), (B-2), and (B-3), particularly (B-1) 50 to 60% by mass, (B-). 2) 10 to 30% by mass, and (B-3) 10 to 30% by mass are more preferable.
- (B) for example, EASYNOV (trade name) manufactured by Sepik can be preferably used.
- EASYNOV is a composition containing 50 to 60% by mass of 2-octyldodecanol, 15 to 25% by mass of 2-octyldodecylxyloxide, and 15 to 25% by mass of PEG-30 dipolyhydroxystearate.
- the emulsifier (B) is preferably contained in an amount of, for example, 7 to 30% by mass.
- the upper or lower limit of the range is, for example, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28. , Or 29% by mass.
- the range may be 8 to 20% by mass or 9 to 15% by mass.
- the viscous emulsified composition of the present disclosure contains (C) water and (D) fat and oil components.
- the water is not particularly limited, and for example, ion-exchanged water, distilled water, etc. can be used.
- the fat and oil components are not particularly limited, and various fat and oil components can be used.
- known oil and fat components used in the field of cosmetics can be used.
- Specific examples of such oil and fat components include olive oil, macadamia nut oil, camellia oil, medfoam oil, sunflower oil, red flower oil, sunflower oil, jojoba oil, carnauba wax, candelilla wax, lanolin, rice bran wax, and liquid paraffin.
- isopropyl myristate, tri (caprylic acid / capric acid) glyceryl, jojoba oil, squalane and the like are more preferably exemplified.
- (D) is preferably contained in an amount of 20 to 50% by mass.
- the upper or lower limit of the content range is, for example, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40. , 41, 42, 43, 44, 45, 46, 47, 48, or 49% by mass.
- the content range is more preferably 25 to 50% by mass, or 30 to 45% by mass.
- the mass ratio ((D) / (B)) of (D) and (B) is preferably 1 to 8.
- the upper or lower limit of the mass ratio range is, for example, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 3, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9, 4, 4.1, 4.2, 4.3, 4.4, 4.5, 4.6, 4.7, 4.8, 4.9, 5, 5.1, 5.2, 5.3, 5.4, 5.5, 5.6, 5.7, 5.8, 5.9, 6, 6.1, 6.2, 6.3, 6.4, 6.5, 6.6, 6.7, 6.8, 6.9, 7, 7.1, 7.2, 7. It may be 3, 7.4, 7.5, 7.6, 7.7, 7.8, or 7.9.
- the mass ratio range is, for example, 1.1, 1.2, 1.3,
- the viscous emulsified composition of the present disclosure preferably has a viscosity (measured at 25 ° C.) of 1000 to 100,000 mPa ⁇ s.
- the upper or lower limit of the viscosity range may be, for example, 1500, 2000, 2500, 3000, 3500, 4000, 4500, 5000, 5500, 6000, 6500, 7000, 7500, 8000, 8500, 9000, or 9500 mPa ⁇ s.
- the viscosity range is more preferably 2000 to 9500 mPa ⁇ s or 3000 to 7500 mPa ⁇ s.
- the evaluation sample viscosity emulsification composition
- 25 ° C. for example, immersed in a prepared constant temperature water bath for 60 minutes or more
- a viscometer model number: DV1MRVTJ0
- BrookField was used to measure the rotation speed. It is a value obtained by measuring the viscosity of the viscous emulsified composition at 25 ° C. after 1 minute at 20 rpm. If the rotor used for the measurement is less than 2000 mPa ⁇ s, the rotor No. In the case of 3, 2000 mPa ⁇ s or more and less than 5000 mPa ⁇ s, the rotor No.
- the rotor No. In the case of 5, 15,000 mPa ⁇ s or more and less than 40,000 mPa ⁇ s, the rotor No. 6. If it is 40,000 mPa ⁇ s or more and less than 180,000 mPa ⁇ s, the rotor No. Let it be 7.
- the viscous emulsification composition of the present disclosure is preferably a W / O type emulsification composition.
- the various properties (property, structure, function, etc.) described for each embodiment of the present invention described above may be combined in any way in specifying the subject included in the present invention. That is, the present invention includes all subjects consisting of any combination of each combinable property described herein.
- the copolymer After stirring and uniformly mixing the solution, nitrogen gas was blown into the solution to remove oxygen present in the upper space of the reaction vessel (four-necked flask), raw materials and solvent. Then, it was kept at 60 to 65 ° C. under a nitrogen atmosphere and reacted for 4 hours. After completion of the reaction, the produced slurry was heated to 90 ° C. to distill off normal hexane, and further dried under reduced pressure at 110 ° C. and 10 mmHg for 8 hours to obtain a white fine powder of alkyl-modified carboxyl group-containing water-soluble material. 43 g of the copolymer was obtained.
- the copolymer may be referred to as Production Example 1 Polymer.
- the carboxyvinyl polymer may be referred to as Production Example 2 polymer.
- the copolymer may be referred to as Production Example 4 Polymer.
- a stirrer, a reflux condenser and a dropping funnel were attached to a 500 mL separable flask.
- 72 g of acrylic acid and water were put therein to prepare 90 g of an 80 mass% acrylic acid aqueous solution.
- 54 g of a 30 mass% sodium hydroxide aqueous solution was added dropwise to prepare an acrylic acid neutralized aqueous solution having a neutralization degree of 40%.
- 0.32 g of the sucrose allyl ether obtained above and 0.04 g of 2,2′-azobis (2-methylpropionamidine) dihydrochloride (“V-50” manufactured by Wako Pure Chemical Industries, Ltd.) were added.
- V-50 2,2′-azobis (2-methylpropionamidine) dihydrochloride
- n-heptane n-heptane was placed in a 2000 mL separable flask equipped with a stirrer, a reflux condenser, a dropping funnel and a nitrogen gas introduction tube, and sorbitane monostearate (Nonion SP manufactured by Nichiyu Co., Ltd.). -60R ") 2.7 g was added and this was dispersed and dissolved in n-heptane. Then, the previously prepared aqueous ethylenically unsaturated carboxylic acid monomer solution was added. The bath temperature was maintained at 60 ° C.
- the stirring speed was increased while nitrogen gas was blown into the solution to replace the nitrogen in the system in order to remove the atmosphere in the reaction vessel, the raw materials and the oxygen present in the solvent.
- water and n-heptane were distilled off to obtain a polymer of acrylic acid and a sodium salt thereof.
- the polymer may be referred to as Production Example 6 polymer.
- the viscous emulsified compositions of Examples and Comparative Examples were prepared according to the composition of Table 1. Specifically, the oil and fat components and the emulsifier were weighed in a 100 ml plastic beaker and mixed with a Teflon (registered trademark) stirring rod until uniform. The polymer was added thereto, and the mixture was stirred until uniform, and finally ion-exchanged water was added and stirred until uniform to obtain a viscous emulsified composition.
- Teflon registered trademark
- the viscosity (mPa ⁇ s) of each of the obtained viscous emulsified compositions was measured immediately after preparation. The results are also shown in Table 1.
- the viscosity immediately after preparation was evaluated as ⁇
- the viscosity of 100,000 mPa ⁇ s or more and less than 200,000 mPa ⁇ s was evaluated as ⁇
- the viscosity of 200,000 mPa ⁇ s or more or the viscous emulsification composition could not be prepared was evaluated as ⁇ .
- the viscosity was measured in the same manner after being allowed to stand for 10 or 13 days after preparation. The results are also shown in Table 1.
- the viscosity was determined by immersing the evaluation sample (each viscous emulsifying composition) in a constant temperature water bath adjusted to 25 ° C. for 60 minutes or more, and then using a viscometer (model number: DV1MRVTJ0) manufactured by BrookField to set the rotation speed to 20 per minute. As a rotation, the viscosity at 25 ° C. after 1 minute was measured. If the rotor used for the measurement is less than 2000 mPa ⁇ s, the rotor No. In the case of 3, 2000 mPa ⁇ s or more and less than 5000 mPa ⁇ s, the rotor No.
- the rotor No. In the case of 5, 15,000 mPa ⁇ s or more and less than 40,000 mPa ⁇ s, the rotor No. It was set to 6.
- the EASYNOV (trade name) used as an emulsifier was 50 to 60% by mass of 2-octyldodecanol, 15 to 25% by mass of 2-octyldodecylxyloxide, and 15 to 15 to PEG-30 dipolyhydroxystearate. It is a composition containing 25% by mass. Information on other emulsifiers is summarized in Table 2.
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Abstract
Description
項1.
(A) 以下の(A-1)、(A-2)、及び(A-3)からなる群より選択される少なくとも1種の共重合体若しくはその塩
(A-1)次の(i)及び(ii)を重合させて得られる共重合体
(A-2)次の(i)及び(iii)を重合させて得られる共重合体
(A-3)次の(i)、(ii)、及び(iii)を重合させて得られる共重合体
(i)(メタ)アクリル酸100質量部
(ii)エチレン性不飽和基を2個以上有する化合物0.001~1質量部
(iii)アルキル基の炭素数が10~30である(メタ)アクリル酸アルキルエステル0.5~5質量部
(B) 以下の(B-1)、(B-2)、及び(B-3)からなる群より選択される少なくとも1種の乳化剤、
(B-1)炭素数が18~24の直鎖状アルカンの水素原子がヒドロキシメチル基又はヒドロキシエチル基で置換された構造を有するアルコール
(B-2)1個の単糖又は2~6個の単糖からなるポリサッカライドと(B-1)アルコールとのエーテル
(B-3)ポリヒドロキシ脂肪酸のポリエチレングリコール(モノ又はジ)エステル
(C)水、並びに
(D)油脂成分
を含有し、
(A)を10~35質量%含有し、(D)と(B)の質量比((D)/(B))が1~8である、
粘性乳化組成物。
項2.
(D)と(B)の質量比((D)/(B))が2~5である、項1に記載の組成物。
項3.
(D)を20~50質量%含有する、項1又は2に記載の組成物。
項4.
25℃での粘度が1000~100000mPa・sである、項1~3のいずれかに記載の組成物。
項5.
以下の(α)~(γ)の要件の少なくとも1つを満たす、項1~4のいずれかに記載の組成物。
(α)(B-1)がオクチルドデカノールである
(β)(B-2)の糖がキシロースである
(γ)(B-3)がポリヒドロキシステアリン酸のポリエチレングリコールモノ若しくはジエステルである
項6.
(B-1)がオクチルドデカノールであり、
(B-2)がオクチルドデシルキシロシドであり、
(B-3)がポリヒドロキシステアリン酸のポリエチレングリコールジエステルである、項1~4のいずれかに記載の組成物。
項7.
(A)が、(A-1)の共重合体若しくはその塩、並びに(A-3)の共重合体からなる群より選択される、
項1~6のいずれかに記載の組成物。
項8.
(B)が、(B-1)、(B-2)、及び(B-3)からなる、項1~7のいずれかに記載の組成物。
項9.
(B)が、(B-1)50~60質量%、(B-2)10~30質量%、及び(B-3)10~30質量%からなる、項1~7のいずれかに記載の組成物。
項10.
(A) 以下の(A-1)及び(A-3)からなる群より選択される少なくとも1種の共重合体若しくはその塩
(A-1)次の(i)及び(ii)を重合させて得られる共重合体
(A-3)次の(i)、(ii)、及び(iii)を重合させて得られる共重合体
(i)(メタ)アクリル酸100質量部
(ii)エチレン性不飽和基を2個以上有する化合物0.001~1質量部
(iii)アルキル基の炭素数が10~30である(メタ)アクリル酸アルキルエステル0.5~5質量部
(B) 以下の(B-1)50~60質量%、(B-2)10~30質量%、及び(B-3)10~30質量%からなる乳化剤、
(B-1)オクチルドデカノール
(B-2)オクチルドデシルキシロシド
(B-3)ポリヒドロキシステアリン酸のポリエチレングリコールジエステル
(C)水、並びに
(D)油脂成分
を含有し、
(A)を10~35質量%、(D)を20~50質量%含有し、
(D)と(B)の質量比((D)/(B))が1~8である、
粘性乳化組成物。
(A-2)次の(i)及び(iii)を重合させて得られる共重合体
(A-3)次の(i)、(ii)、及び(iii)を重合させて得られる共重合体
(i)(メタ)アクリル酸100質量部
(ii)エチレン性不飽和基を2個以上有する化合物0.001~1質量部
(iii)アルキル基の炭素数が10~30である(メタ)アクリル酸アルキルエステル0.5~5質量部
(B-2)1個の単糖又は2~6個の単糖からなるポリサッカライドと(B-1)アルコールとのエーテル
(B-3)ポリヒドロキシ脂肪酸のポリエチレングリコール(モノ又はジ)エステル
R-O-(X)p (I)
(式中、Xは同一または異なって糖残基を表し、pは1~6を表し、R-O-は(B-1)アルコールのOH基から水素原子が除かれた構造の基を表す)で表される。オリゴマー構造(X)pは、構造異性体や立体異性体を問わず、任意の異性体であり、これら異性体の混合物であってもよい。
[製造例1]
攪拌機、温度計、窒素吹き込み管および冷却管を備えた500mL容の四つ口フラスコに、アクリル酸45g(0.625モル)、ブレンマーVMA70(日本油脂株式会社製:メタクリル酸ステアリルが10~20質量部、メタクリル酸エイコサニルが10~20質量部、メタクリル酸ベヘニルが59~80質量部およびメタクリル酸テトラコサニルの含有量が1質量部以下の混合物)1.35g、ペンタエリトリトールテトラアリルエーテル0.02g、ノルマルヘキサン150gおよび2,2’-アゾビスメチルイソブチレート0.081g(0.00035モル)を仕込んだ。溶液を撹拌して均一に混合した後、反応容器(四つ口フラスコ)の上部空間、原料および溶媒中に存在している酸素を除去するために、溶液中に窒素ガスを吹き込んだ。次いで、窒素雰囲気下、60~65℃に保持して4時間反応させた。反応終了後、生成したスラリーを90℃に加熱して、ノルマルヘキサンを留去し、さらに、110℃、10mmHgにて8時間減圧乾燥することにより、白色微粉末状のアルキル変性カルボキシル基含有水溶性共重合体43gを得た。以下当該共重合体を製造例1ポリマーと表記することがある。
撹拌機、温度計、窒素吹き込み管及び冷却管を取り付けた500mL容の四つ口フラスコに、アクリル酸45g(0.625モル)、ペンタエリスリトールテトラアリルエーテル0.27g、n-ヘキサン150g及び2,2’-アゾビスメチルイソブチレート0.081g(0.00035モル)を入れ、反応液を調製した。溶液を撹拌して均一に混合した後、反応容器の上部空間、原料及び溶媒中に存在している酸素を除去するために溶液中に窒素ガスを吹き込んだ。次いで、窒素雰囲気下、反応液を60~65℃に保持して4時間反応させた。反応終了後、生成したスラリーを90℃に加熱して、n-ヘキサンを留去し、さらに、110℃、10mmHgにて8時間減圧乾燥することにより、カルボキシビニルポリマー42gを得た。以下当該カルボキシビニルポリマーを製造例2ポリマーと表記することがある。
攪拌機、温度計、窒素吹き込み管及び冷却管を備えた500mL(ミリリットル)容の四つ口フラスコに、アクリル酸40g、ブレンマーVMA-70(日油株式会社製、メタクリル酸ステアリルが10~20質量部、メタクリル酸エイコサニルが10~20質量部、メタクリル酸ベヘニルが59~80質量部及びメタクリル酸テトラコサニルの含有率が1質量%以下の混合物)0.4g、ペンタエリスリトールテトラアリルエーテル0.19g、2,2’-アゾビス(イソ酪酸メチル)0.116g、及びノルマルヘキサン230.9gを仕込んだ。溶液を撹拌して均一に混合した後、反応容器(四つ口フラスコ)の上部空間、原料及び反応溶媒中に存在している酸素を除去するために、溶液中に窒素ガスを吹き込んだ。次いで、窒素雰囲気下、60~65℃まで加熱した。その後、3時間60~65℃に保持した。60~65℃で1時間程度、保持した時点で、ノルマルヘキサン2.0gに12-ヒドロキシステアリン酸とポリオキシエチレンのブロック共重合体(クローダ製、Hypermer B246)1.6gを溶解させたものを、反応容器に投入した。その後、生成したスラリーを100℃に加熱して、ノルマルヘキサンを留去し、さらに115℃、10mmHgの条件で、8時間減圧乾燥することにより、白色微粉末のアルキル変性カルボキシル基含有水溶性共重合体39gを得た。以下当該共重合体を製造例3ポリマーと表記することがある。
攪拌機、温度計、窒素吹き込み管及び冷却管を備えた500mL(ミリリットル)容の四つ口フラスコに、アクリル酸40g、ブレンマーVMA-70(日油株式会社製、メタクリル酸ステアリルが10~20質量部、メタクリル酸エイコサニルが10~20質量部、メタクリル酸ベヘニルが59~80質量部及びメタクリル酸テトラコサニルの含有率が1質量%以下の混合物)0.88g、ペンタエリスリトールテトラアリルエーテル0.22g、2,2’-アゾビス(イソ酪酸メチル)0.116g、及びノルマルヘキサン230.9gを仕込んだ。溶液を撹拌して均一に混合した後、反応容器(四つ口フラスコ)の上部空間、原料及び反応溶媒中に存在している酸素を除去するために、溶液中に窒素ガスを吹き込んだ。次いで、窒素雰囲気下、60~65℃まで加熱した。その後、3時間60~65℃に保持した。60~65℃で1時間程度、保持した時点で、ノルマルヘキサン2.0gにポリオキシエチレンヒマシ油(日光ケミカル(株)製、商品名:CO-3、エチレンオキシド3モル付加物)0.26gとトリイソステアリン酸ポリオキシエチレン硬化ヒマシ油(日本エマルジョン(株)製、商品名:RWIS-350、エチレンオキシド50モル付加物)0.98gとを溶解させたものを、反応容器に投入した。その後、生成したスラリーを100℃に加熱して、ノルマルヘキサンを留去し、さらに115℃、10mmHgの条件で、8時間減圧乾燥することにより、白色微粉末のアルキル変性カルボキシル基含有水溶性共重合体38gを得た。以下当該共重合体を製造例4ポリマーと表記することがある。
攪拌機、温度計、窒素吹き込み管及び冷却管を備えた500mL(ミリリットル)容の四つ口フラスコに、アクリル酸40g、ブレンマーVMA-70(日油株式会社製、メタクリル酸ステアリルが10~20質量部、メタクリル酸エイコサニルが10~20質量部、メタクリル酸ベヘニルが59~80質量部及びメタクリル酸テトラコサニルの含有率が1質量%以下の混合物)0.4g、ペンタエリスリトールテトラアリルエーテル0.22g、2,2’-アゾビス(イソ酪酸メチル)0.116g、及びノルマルヘキサン230.9gを仕込んだ。溶液を撹拌して均一に混合した後、反応容器(四つ口フラスコ)の上部空間、原料及び反応溶媒中に存在している酸素を除去するために、溶液中に窒素ガスを吹き込んだ。次いで、窒素雰囲気下、60~65℃まで加熱した。その後、3時間60~65℃に保持した。60~65℃で1時間程度、保持した時点で、ノルマルヘキサン2.0gに12-ヒドロキシステアリン酸とポリオキシエチレンとのブロック共重合体(クローダ製、Hypermer B246)1.6gを溶解させたものを、反応容器に投入した。その後、生成したスラリーを100℃に加熱して、ノルマルヘキサンを留去し、さらに115℃、10mmHgの条件で、8時間減圧乾燥することにより、白色微粉末のアルキル変性カルボキシル基含有水溶性共重合体39gを得た。以下当該共重合体を製造例5ポリマーと表記することがある。
1000mL容のセパラブルフラスコに撹拌機、還流冷却管及び滴下ロートを取り付けた。この中で、水144gに水酸化ナトリウム48gを溶解した。次いで、ショ糖136.8gを加え、70~85℃で120分間撹拌して、アルカリショ糖水溶液を得た。得られたアルカリショ糖水溶液に、臭化アリル145.2gを70~85℃で1.5時間かけて滴下し、その後、80℃で3時間反応して、ショ糖をアリルエーテル化した。冷却後、水440gを添加し、分液ロートで余分な油分を分離して、粗ショ糖アリルエーテル水溶液を得た。得られた粗ショ糖アリルエーテルに塩酸を加えてpHを6~8に調整した後、ロータリーエバポレーターを用いて、水溶液の質量が480gになるまで水分を除去した。次いで、エタノール200gを添加して副生成物の臭化ナトリウム等の塩類を析出させ、析出物を濾別により水溶液から除去した。さらに、エバポレーターを用いて水溶液から余分な水分を除去し、エーテル化度2.4のショ糖アリルエーテル166gを得た。
[製造例7]
80℃に保温された攪拌機を備えた貯蔵タンクAに、十分に脱水した数平均分子量20,000のポリエチレンオキシド100質量部、ポリオキシエチレンポリオキシプロピレンステアリルエーテル(EO/PO=50/50、Mw=1000)10質量部およびジオクチルスズジラウレート0.2質量部の割合で投入し、窒素ガス雰囲気下で攪拌して均一な混合物とした。これとは別に、30℃に保温された貯蔵タンクBにジシクロヘキシルメタン-4,4’-ジイソシアネートを投入し、窒素ガス雰囲気下で貯蔵した。定量ポンプを用いて、貯蔵タンクAの混合物を500g/分の速度にて、貯蔵タンクBのジシクロヘキシルメタン-4,4’-ジイソシアネートを11.9g/分の速度にて、110~140℃に設定した2軸押出機に連続的に供給し(R値=1.00)、押出機中で混合して反応を行い、押出機出口からストランドを出し、ペレタイザーによりペレットにして、ポリアルキレンオキシド変性物(ノニオン性ウレタン系ポリマー)を得た。以下、当該ポリマーを製造例7ポリマーと表記することがある。
上記製造例において得られた各共重合体を用いて、表1の組成に従い、各実施例及び比較例の粘性乳化組成物を調製した。具体的には、100ml容のプラスチックビーカーに油脂成分及び乳化剤を計り取り、テフロン(登録商標)製の撹拌棒で均一になるまで混合した。そこへポリマーを加え、均一になるまで撹拌後、最後にイオン交換水を加え、均一になるまで攪拌し、粘性乳化組成物を得た。
Claims (10)
- (A) 以下の(A-1)、(A-2)、及び(A-3)からなる群より選択される少なくとも1種の共重合体若しくはその塩
(A-1)次の(i)及び(ii)を重合させて得られる共重合体
(A-2)次の(i)及び(iii)を重合させて得られる共重合体
(A-3)次の(i)、(ii)、及び(iii)を重合させて得られる共重合体
(i)(メタ)アクリル酸100質量部
(ii)エチレン性不飽和基を2個以上有する化合物0.001~1質量部
(iii)アルキル基の炭素数が10~30である(メタ)アクリル酸アルキルエステル0.5~5質量部
(B) 以下の(B-1)、(B-2)、及び(B-3)からなる群より選択される少なくとも1種の乳化剤、
(B-1)炭素数が18~24の直鎖状アルカンの水素原子がヒドロキシメチル基又はヒドロキシエチル基で置換された構造を有するアルコール
(B-2)1個の単糖又は2~6個の単糖からなるポリサッカライドと(B-1)アルコールとのエーテル
(B-3)ポリヒドロキシ脂肪酸のポリエチレングリコール(モノ又はジ)エステル
(C)水、並びに
(D)油脂成分
を含有し、
(A)を10~35質量%含有し、(D)と(B)の質量比((D)/(B))が1~8である、
粘性乳化組成物。 - (D)と(B)の質量比((D)/(B))が2~5である、請求項1に記載の組成物。
- (D)を20~50質量%含有する、請求項1又は2に記載の組成物。
- 25℃での粘度が1000~100000mPa・sである、請求項1~3のいずれかに記載の組成物。
- 以下の(α)~(γ)の要件の少なくとも1つを満たす、請求項1~4のいずれかに記載の組成物。
(α)(B-1)がオクチルドデカノールである
(β)(B-2)の糖がキシロースである
(γ)(B-3)がポリヒドロキシステアリン酸のポリエチレングリコールモノ若しくはジエステルである - (B-1)がオクチルドデカノールであり、
(B-2)がオクチルドデシルキシロシドであり、
(B-3)がポリヒドロキシステアリン酸のポリエチレングリコールジエステルである、請求項1~4のいずれかに記載の組成物。 - (A)が、(A-1)の共重合体若しくはその塩、並びに(A-3)の共重合体からなる群より選択される、
請求項1~6のいずれかに記載の組成物。 - (B)が、(B-1)、(B-2)、及び(B-3)からなる、請求項1~7のいずれかに記載の組成物。
- (B)が、(B-1)50~60質量%、(B-2)10~30質量%、及び(B-3)10~30質量%からなる、請求項1~7のいずれかに記載の組成物。
- (A) 以下の(A-1)及び(A-3)からなる群より選択される少なくとも1種の共重合体若しくはその塩
(A-1)次の(i)及び(ii)を重合させて得られる共重合体
(A-3)次の(i)、(ii)、及び(iii)を重合させて得られる共重合体
(i)(メタ)アクリル酸100質量部
(ii)エチレン性不飽和基を2個以上有する化合物0.001~1質量部
(iii)アルキル基の炭素数が10~30である(メタ)アクリル酸アルキルエステル0.5~5質量部
(B) 以下の(B-1)50~60質量%、(B-2)10~30質量%、及び(B-3)10~30質量%からなる乳化剤、
(B-1)オクチルドデカノール
(B-2)オクチルドデシルキシロシド
(B-3)ポリヒドロキシステアリン酸のポリエチレングリコールジエステル
(C)水、並びに
(D)油脂成分
を含有し、
(A)を10~35質量%、(D)を20~50質量%含有し、
(D)と(B)の質量比((D)/(B))が1~8である、
粘性乳化組成物。
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