WO2013088902A1 - 含フッ素共重合体およびそれを有効成分とする撥水撥油剤 - Google Patents
含フッ素共重合体およびそれを有効成分とする撥水撥油剤 Download PDFInfo
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- WO2013088902A1 WO2013088902A1 PCT/JP2012/079785 JP2012079785W WO2013088902A1 WO 2013088902 A1 WO2013088902 A1 WO 2013088902A1 JP 2012079785 W JP2012079785 W JP 2012079785W WO 2013088902 A1 WO2013088902 A1 WO 2013088902A1
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- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
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- 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
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- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
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- C08F220/28—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
- C08F220/285—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety and containing a polyether chain in the alcohol moiety
- C08F220/286—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety and containing a polyether chain in the alcohol moiety and containing polyethylene oxide in the alcohol moiety, e.g. methoxy polyethylene glycol (meth)acrylate
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- 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
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- C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
- C08F220/28—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
- C08F220/285—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety and containing a polyether chain in the alcohol moiety
- C08F220/288—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety and containing a polyether chain in the alcohol moiety and containing polypropylene-co-ethylene oxide in the alcohol moiety
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- 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
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- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
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- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
- D06M15/27—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof of alkylpolyalkylene glycol esters of unsaturated carboxylic acids
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- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
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- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/01—Stain or soil resistance
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2164—Coating or impregnation specified as water repellent
- Y10T442/2172—Also specified as oil repellent
Definitions
- the present invention relates to a fluorine-containing copolymer and a water / oil repellent containing the same as an active ingredient. More specifically, the present invention relates to a fluorine-containing copolymer used as an active ingredient of an antifouling type water / oil repellent excellent in washing durability and a water / oil repellent containing the same.
- a method of imparting hydrophilicity to a fiber fabric a method of treating with a fluorine-based resin, and the like have been performed in order to perform an antifouling process or a stain removal process on a fiber fabric.
- there are a method of graft-polymerizing a hydrophilic monomer to a fiber a method of coating a fiber surface with a hydrophilic polymer, and the like. These methods are mainly a synthetic fiber fabric or a synthetic fiber / cotton blended fabric. It is applied to fabrics with strong lipophilicity.
- the treatment with a fluororesin is generally carried out by a method of applying a fluororesin alone or a mixture of the fluororesin and a resin processing agent for fibers as a solution to a fabric, and drying and curing it.
- Patent Document 1 A method in which a fiber product is immersed in a dispersion containing a fluororesin solution, an inorganic salt, and a polyester polyoxyalkylene ether block polymer and heat-treated in that state (Patent Document 2) -A method of treating with a far infrared ray after treating with a cross-linking agent comprising a fluororesin and a blocked isocyanate compound (Patent Document 3)
- a fluororesin a polyfluoroalkyl group-containing (meth) acrylic acid ester copolymer having a hydrophilic group is used.
- fiber fabrics are considered to be very difficult to achieve a durable antifouling treatment with a resin or the like due to the nature of fibers that repeatedly swell and shrink due to moisture during washing and the like.
- Various polymerizable monomers for improving the properties have been studied, but the actual situation is that antifouling / stain removal processability improved in terms of washing durability has not yet been put on the market.
- An object of the present invention is to provide an antifouling type water and oil repellent agent that can be effectively subjected to antifouling processing and stain removal processing on fiber fabrics, particularly cotton fabrics and cotton blended fabrics, and has excellent washing durability.
- the object is to provide a fluorine-containing copolymer used as an active ingredient and a water / oil repellent containing the same.
- a novel fluorine-containing copolymer which is a copolymer of a polyfluoroalkyl alcohol (meth) acrylic acid derivative represented by the general formula [I] and a (meth) acrylic acid polyoxyalkylene ester represented by the general formula [II].
- a polymer is provided.
- the water- and oil-repellent agent containing this novel fluorine-containing copolymer as an active ingredient can be effectively subjected to antifouling and stain removal when applied to fiber fabrics, particularly cotton fabrics and cotton blended fabrics. Moreover, it forms an antifouling type water / oil repellent with excellent washing durability.
- R 2 and R 3 are each a linear or branched alkylene group having 1 to 6 carbon atoms, such as —CH 2 CH 2 —, —CH 2 CH 2 CH 2 —, —CH 2 CH (CH 3 )-, -CH 2 CH 2 CH 2 CH 2- , -CH 2 CH 2 CH 2 CH 2 CH 2-, etc., preferably R 2 is an ethylene group and R 3 is a propylene group or It is a butylene group.
- R 1 is the alkyl group or aromatic group.
- q is 0 or an integer of 1 to 50 and q is 0 and R 2 is an ethylene group, a (poly) ethylene glycol mono (meth) acrylate derivative is formed.
- polyfluoroalkyl alcohol (meth) acrylic acid derivatives [I] and (meth) acrylic acid polyoxyalkylene ester [II] can be copolymerized at an arbitrary ratio, more specifically, by weight ratio.
- [II] is used in a ratio of 99 to 1, preferably 80 to 30 with respect to [I] of 1 to 99, preferably 20 to 70 (provided that the sum of the two is 100).
- These copolymerization ratios are determined by the relationship between the water / oil repellency and the solvent solubility of the fluorine-containing copolymer.
- the obtained copolymer has a weight average molecular weight Mw (in terms of polystyrene) of 1,000 to 1,000,000, preferably 2,000 to 500,000.
- copolymers it is also possible to copolymerize a fluorine atom-free polymerizable monomer and / or another fluorine-containing polymerizable monomer.
- the polyfluoroalkyl group it contains, preferably the perfluoroalkyl group must have 1 to 6, preferably 2 to 4 carbon atoms.
- fluorine atom-free polymerizable monomer containing the compound [III], [IV] or [V] include, for example, methyl, ethyl, propyl, isopropyl, n-butyl, n-hexyl, 2-ethylhexyl, Alkyl groups such as n-octyl, lauryl and stearyl, cycloalkyl groups such as cyclohexyl, aralkyl groups such as benzyl, alkoxy such as methoxymethyl, 2-methoxyethyl, 2-ethoxyethyl, 2-butoxyethyl and 3-ethoxypropyl Acrylic ester or methacrylate ester esterified with alkyl group, fumaric acid or maleic acid monomethyl, dimethyl, monoethyl, diethyl, monopropyl, dipropyl, monobutyl, dibutyl, mono-2-ethylhexyl, di-2-
- the carbon number n of the terminal polyfluoroalkyl group must be 1 to 6, and when the R 9 group is a polyfluoroalkylene group, the total carbon number with the terminal perfluoroalkyl group must be 2 to 6. I must.
- a polyfunctional monomer or oligomer can be copolymerized at a ratio of 10% by weight or less in the copolymer.
- Such polyfunctional monomers or oligomers include ethylene glycol di (meth) acrylate, propylene glycol di (meth) acrylate, 1,4-butanediol di (meth) acrylate, 1,6-hexanediol di (meth) Acrylate, 1,9-nonanediol di (meth) acrylate, neopentyl glycol di (meth) acrylate, tetraethylene glycol di (meth) acrylate, tripropylene glycol di (meth) acrylate, polypropylene glycol di (meth) acrylate, bisphenol A. Ethylene oxide adduct diacrylate, dimethylol tricyclodecane diacrylate, glycerin methacrylate acrylate, 3-acryloyloxyglycer
- a copolymer with a fluorine atom-free polymerizable comonomer is advantageous, and the fluorine atom-free polymerizable monomer is contained in an amount of about 30% by weight or less, preferably about 1%. Copolymerization of ⁇ 30% by weight, particularly preferably about 1 ⁇ 10% by weight is preferred from the viewpoint of both water and oil repellency and cost.
- a crosslinkable group-containing monomer such as 2-hydroxyethyl (meth) acrylate, 3-hydroxypropyl (meth) acrylate, (meth) acrylamide, N-methylol (meth) acrylamide, N-methoxymethylacrylamide, N- Butoxymethylacrylamide, glycidyl (meth) acrylate, and the like can be added, and the copolymerization can be carried out at a ratio of about 10% by weight or less, preferably about 0.5 to 10% by weight in the copolymer.
- these crosslinkable group-containing monomers are further copolymerized, the durability of the water / oil repellent can be increased by crosslinking with the hydroxyl groups on the fiber surface or by self-crosslinking.
- the copolymerization reaction is performed by an emulsion polymerization method or a suspension polymerization method, but is preferably performed by a solution polymerization method.
- a reaction solvent for the solution polymerization method an alcohol solvent, an ester solvent, a ketone solvent, a glycol solvent, or the like is used. These solvents may be used alone or in combination.
- alcohol solvents include linear or branched alkanols having 1 to 8 carbon atoms.
- the alkanol may be 2-alkanol in addition to 1-alkanol.
- ester solvents include methyl acetate, ethyl, propyl, butyl ester, methyl propionate, methyl lactate, ethyl, pentyl ester, and the like.
- ketone solvents include acetone, methyl ethyl ketone, methyl isobutyl ketone, 2-pentanone, 3-pentanone, 2-hexanone and the like.
- glycol solvent include ethylene glycol, propylene glycol, dipropylene glycol or monomethyl ether thereof, tripropylene glycol, and the like.
- Polymerization initiators include benzoyl peroxide, lauroyl peroxide, tertiary butyl peroxide, cumene hydroperoxide, tertiary butyl peroxypivalate, diisopropyl peroxydicarbonate, tertiary butyl perbenzoate, 1-hydroxycyclohexyl hydro Peroxide, 3-carbonylpropionyl peroxide, acetyl peroxide, azobis (isobutylamidine) dihydrochloride, azobis (isobutyronitrile), azobis (2,4-dimethylvaleronitrile), sodium peroxide, potassium peroxide
- An oil-soluble or water-soluble peroxide such as ammonium peroxide or an azobis compound is used in an amount of about 0.01 to 5% by weight, preferably about 0.1 to 5% by weight, based on the total amount of the comonomer.
- a chain transfer agent can be used as necessary.
- the chain transfer agent include alkyl mercaptans such as n-octyl mercaptan, n-dodecyl mercaptan, and third dodecyl mercaptan, dimethyl ether Methyl tertiary butyl ether, alkanes having 1 to 6 carbon atoms, methanol, ethanol, 2-propanol, cyclohexane, carbon tetrachloride, chloroform, dichloromethane, methane, ethyl acetate, ethyl malonate, acetone and the like.
- the copolymerization reaction is carried out at a reaction temperature of about 0 to 100 ° C., preferably about 5 to 70 ° C., particularly preferably about 40 to 65 ° C. using these reaction solvents, reaction initiators and the like.
- a copolymer solution having a solid concentration of about 5 to 30% by weight is obtained, and a fluorine-containing copolymer is obtained by removing the solvent from the reaction mixture.
- the solution is further diluted with water or an organic solvent, and if necessary, its solid content concentration is diluted to about 0.05 to 10% by weight, preferably about 0.1 to 5% by weight.
- the organic solvent include alcohol-based, ester-based, ketone-based, and glycol-based organic solvents as described above, and the organic solvent used here may be different from the polymerization reaction solvent.
- blocked isocyanate is added as a crosslinking agent in a weight ratio of 0.05 to 3.0, preferably 0.2 to 2.0, based on the solid content weight of the copolymer solution.
- Blocked isocyanate can impart excellent water repellency and high washing durability to natural fibers such as cotton.
- the blocked isocyanate is used in a smaller proportion, the washing durability is lowered.
- the blocked isocyanate is used in a larger proportion, the texture of the cloth is impaired. (See Patent Document 6)
- the blocked isocyanate is a compound having at least one blocked isocyanate group and having no polymerizable carbon-carbon unsaturated bond, and having a structure in which the isocyanate group is blocked with a blocking agent. is there.
- a blocked isocyanate a structure in which an isocyanate group of a compound obtained by reacting a polyisocyanate with a compound having two or more active hydrogen atoms in the molecule is blocked with a blocking agent is preferable.
- aromatic isocyanates such as 4,4′-diphenylmethane diisocyanate, 2,4′-diphenylmethane diisocyanate, tolylene diisocyanate, trimethylene diisocyanate, tetramethylene diisocyanate, pentamethylene diisocyanate, hexamethylene diisocyanate, 1,2 -Aliphatic isocyanates such as propane diisocyanate, 1,2-butane diisocyanate, trimethylhexamethylene diisocyanate, isophorone diisocyanate, 4,4'-dicyclohexylmethane diisocyanate, cyclohexylene diisocyanate, and their isocyanurate modified products, prepolymer modified products, Examples include burette modified products and allophanate modified products.
- the compound having two or more active hydrogen atoms in the molecule is preferably a polyhydric alcohol or a polyamine
- the polyhydric alcohol is ethylene glycol, propylene glycol, butanediols, pentanediols, hexanediols, glycerin.
- the polyhydric alcohol may be a polyester polyol
- the polyester polyol may be a polyhydric alcohol and a polyhydric carboxylic acid such as phthalic acid, adipic acid, fumaric acid, pyromellitic acid, trimellitic acid, aliphatic dicarboxylic acid, or the like. Those having an ester bond obtained by reaction with a derivative are used.
- alkyl ketone oximes phenols, alcohols, ⁇ -diketones, lactams, preferably methyl ethyl ketone oxime, ⁇ -caprolactam, phenol, cresol, acetylacetone, diethyl malonate, isopropyl alcohol, Tertiary butyl alcohol, maleic imide and the like, more preferably compounds having a dissociation temperature of 120 to 180 ° C. represented by dialkyl ketone oximes such as methyl ethyl ketone oxime and lactams such as ⁇ -caprolactam are used.
- blocked isocyanate is obtained by reacting a polyhydric alcohol with an isocyanate compound and then reacting with a blocking agent, but the reaction is carried out in a non-aqueous solvent such as ketones, ethers or hydrocarbons. Is preferred.
- a non-aqueous solvent such as ketones, ethers or hydrocarbons.
- the blocked isocyanate is preferably emulsified after the above blocking reaction by adding water and a nonionic emulsifier, a nonionic / cationic emulsifier or a nonionic / anionic emulsifier, particularly a nonionic / cationic emulsifier. This solvent is removed after emulsification as necessary.
- Such blocked isocyanates include commercial products such as Rudolf's RucoGuard XTS, the Company's RucoGuard WEB, Nikka Chemical NK Assist-NY, the Company's NK Assist-V, the Company's NK Assist-FU, and Gantz Kasei.
- Prominate XC-830, Company Prominate XC-915, Company Prominate XC-950, Daiichi Kogyo Pharmaceutical Elastron BN-69, etc. can be used as they are.
- additives such as melamine resin, cross-linking agent other than blocked isocyanate such as urea resin, polymer extender, silicone resin or oil, other water repellent such as wax, insect repellent, Additives necessary for water and oil repellent applications such as antistatic agents, dye stabilizers, antifungal agents, and stain blockers can be added.
- the copolymer solution added with blocked isocyanate thus obtained can be used as a water / oil repellent agent for fabric products made from fibers, fabrics, woven fabrics, paper, films, carpets or filaments, yarns, fibers, etc. Effectively applied.
- coating, dipping, spraying, padding, roll coating, or a combination thereof can be used.
- the solid content concentration of the bath is set to about 0.1 to 10% by weight, and it is used as a pad bath.
- the material to be treated is padded in this pad bath, and then excess liquid is removed with a squeeze roll and dried, and the amount of the fluorine-containing copolymer attached to the material to be treated is adhered to a ratio of about 0.01 to 10% by weight. .
- drying is generally performed at a temperature of about 100 to 200 ° C. for about 1 minute to about 2 hours, and the water and oil repellent treatment is completed.
- Synthesis example 1 (1) To a 1200 ml autoclave equipped with a stirrer and a thermometer, CF 3 (CF 2 ) 3 (CH 2 CF 2 ) (CF 2 CF 2 ) I (99.8GC%) 603 g (1.17 mol) and 7 g of di-tert-butyl peroxide were charged, and the autoclave was deaerated with a vacuum pump. When the internal temperature was heated to 80 ° C., ethylene was sequentially introduced to adjust the internal pressure to 0.5 MPa. When the internal pressure decreased to 0.2 MPa, ethylene was introduced again to 0.5 MPa, and this was repeated.
- the reaction product was distilled under reduced pressure under the conditions of an internal pressure of 0.2 kPa, an internal temperature of 100 to 144 ° C., and a tower top temperature of 58 to 59 ° C. to obtain 43.7 g of a purified reaction product (95.4 GC%) (distillation yield 88.2%) Got.
- the obtained purified reaction product was confirmed to be a compound represented by the following formula from the results of 1 H-NMR and 19 F-NMR.
- the reaction mixture was cooled to recover 72 g of the reaction solution, and 44.5 g of the residue from which toluene was removed with an evaporator was washed with tap water, and the reaction product (86.3 GC%), which was a colorless and transparent liquid at room temperature, was used as the lower layer. 40.9 g (yield 82.6%) was obtained.
- This reaction product was distilled under reduced pressure under the conditions of an internal pressure of 0.2 kPa, an internal temperature of 103 to 143 ° C., and a tower top temperature of 60 to 61 ° C. to obtain 15.7 g of a purified reaction product (99.2 GC%) (distillation yield: 44.1% )
- Synthesis example 2 (1) CF 3 (CF 2 ) 3 (CH 2 CF 2 ) (CF 2 CF 2 ) 2 I (99.9GC%) The reaction of introducing 34 g (1.2 mol) of ethylene using 529 g (0.86 mol) and 5 g of di-tert-butyl peroxide was carried out in the same manner as in Synthesis Example 1 (1). As a result, CF 3 (CF 2 ) 3 (CH 2 CF 2 ) (CF 2 CF 2 ) 2 (CH 2 CH 2 ) I (99.1GC%) 550 g (99.4% yield) was obtained.
- the reaction product was distilled under reduced pressure under the conditions of an internal pressure of 0.2 kPa, an internal temperature of 121 to 163 ° C, and a tower top temperature of 76 to 77 ° C, and purified reaction product (95.3GC%) 66.9g (distillation yield 94.2%) Got.
- the obtained purified reaction product was confirmed to be a compound represented by the following formula from the results of 1 H-NMR and 19 F-NMR.
- the reaction mixture was cooled to recover 82 g of the reaction solution, and 63.9 g of the residue from which toluene was removed with an evaporator was washed with tap water, and the reaction product (89.3 GC%), which was a colorless and transparent liquid at room temperature, was used as the lower layer. 60.8 g (yield 86.4%) was obtained.
- This reaction product was distilled under reduced pressure under the conditions of an internal pressure of 0.2 kPa, an internal temperature of 125 to 155 ° C., and a tower top temperature of 84 to 86 ° C. to obtain 42.2 g of a purified reaction product (99.4 GC%) (distillation yield: 77.2% )
- Synthesis example 3 60.0 g (0.11 mol) of the reaction product (95.4GC%) obtained in Synthesis Example 2 (2), 29 g of toluene, 1.6 g of p-toluenesulfonic acid and 0.07 g of hydroquinone were added to a capacity of 100 ml equipped with a condenser and a thermometer. Were added to a three-necked flask, the internal temperature was heated to 100 ° C., 12 g (0.14 mol) of methacrylic acid was added, and the mixture was stirred at an internal temperature of 118 ° C. for 3 hours.
- reaction mixture was cooled to recover 82 g of the reaction solution, and 64 g of the residue obtained by removing toluene with an evaporator was washed with tap water, and 60.8 g of a reaction product (89 GC%) that was a colorless and transparent liquid at room temperature as the lower layer (Yield 86%).
- This reaction product was distilled under reduced pressure under the conditions of an internal pressure of 0.2 kPa, an internal temperature of 125 to 155 ° C., and a tower top temperature of 84 to 86 ° C. to obtain 42.2 g of a purified reaction product (99.4 GC%) (distillation yield: 77.2% )
- Synthesis example 4 (1) To a 1200 ml autoclave equipped with a stirrer and a thermometer, CF 3 (CF 2 ) (CH 2 CF 2 ) (CF 2 CF 2 ) 2 I (97GC%) 603 g (1.17 mol) and 7 g of di-tert-butyl peroxide were charged, and the autoclave was deaerated with a vacuum pump. When the internal temperature was heated to 80 ° C., ethylene was sequentially introduced to adjust the internal pressure to 0.5 MPa. When the internal pressure decreased to 0.2 MPa, ethylene was introduced again to 0.5 MPa, and this was repeated.
- the reaction product is distilled under reduced pressure under the conditions of an internal pressure of 0.2 kPa, an internal temperature of 100 to 144 ° C., and a tower top temperature of 58 to 59 ° C. to obtain 43 g of a purified reaction product (95 GC%) (distillation yield of 88%). It was.
- the obtained purified reaction product was confirmed to be a compound represented by the following formula from the results of 1 H-NMR and 19 F-NMR.
- This reaction product was subjected to vacuum distillation under the conditions of an internal pressure of 0.2 kPa, an internal temperature of 103 to 143 ° C., and a tower top temperature of 60 to 61 ° C. to obtain 16 g of a purified reaction product (99 GC%) (distillation yield of 44%). Obtained.
- Example 1 Among the above components, each component except AIBN ethanol solution was mixed in a 500 ml glass reactor and replaced with nitrogen gas for 30 minutes. The reactor temperature was gradually increased to 40 ° C. Then, 15 g of AIBN ethanol solution (polymerization initiator solution) was added, the internal temperature was gradually raised to 65 ° C., and the reaction was carried out at that temperature for 24 hours. The polymerization reaction was carried out under stirring conditions at a stirring speed of 400 rpm.
- the reaction mixture was cooled to obtain 283.0 g (recovery rate 94.3%) of an ethanolic dispersion having a solid content concentration of 28.60% by weight.
- this dispersion was further diluted with ethanol and the viscosity (25 ° C.) of the ethanol dispersion having a solid content concentration of 20% by weight was measured, a value of 21.8 mPa ⁇ s was obtained.
- the obtained fluoropolymer isolated by placing the ethanolic dispersion in a vacuum oven at 120 ° C. to remove the solvent had a weight average molecular weight Mw of 35,000 and a value of Mw / Mn of 2.5.
- the weight average molecular weight Mw and the number average molecular weight Mn are measured by GPC measurement using ShodexSGPC KD806 + KD-802 at a temperature of 40 ° C and an elution rate of 10 mM THF as an eluent of 1 ml / min.
- the detector was a parallax refractometer, and the analysis was performed by a Labchart 180 (polystyrene equivalent) manufactured by SIC.
- a polyester-cotton (65:35) blended fabric is dipped and squeezed with a mangle (two-roll squeezer) to attach an amount of treatment solution of 100% by weight to the fabric weight.
- the mixture was heated at 160 ° C. for 120 seconds to be dried and cured.
- the test cloth is washed according to the following criteria (according to AATCC-TM130-1966).
- Judgment criteria 1 Significant stain remains ⁇ 2: Significant stain remains ⁇ 3: Slight stain remains ⁇ 4: Stain is inconspicuous ⁇ 5: Stain does not remain ⁇ Washing durability evaluation (labeled "Laundry")> Similar to the initial performance evaluation, on the treated cloth soiled with dirty motor oil, the method of washing 2 (in the method of washing 1 the amount of detergent aqueous solution is 20 L (bath ratio 1:30)) The washing time was changed to 50 minutes, the final dewatering time was changed to 5 minutes, and the drying time in the oven was changed to 10 minutes.) coefficient): The reflectance of the test cloth after washing and drying used for initial performance evaluation (initial) and washing durability evaluation (washing) was measured with a spectrocolorimeter (CM-1000 manufactured by Konica Minolta Sensing), and the white coefficient ( WI%) and evaluate the degree of dirt removal
- Water repellency state 100 No wetness or adhesion of water droplets on the surface 90 Slight water droplet adhesion on the surface 80 Individual partial wetting on the surface 70 Wetness on half of the surface 50 What indicates wetting on the entire surface 0 Both sides are completely wet
- the evaluation standard for oil repellency is that one drop of test solution is dropped on an oil-repellent treated cloth in accordance with the provisions of AATCC-TM118, and the state after 30 seconds is observed.
- Example 2-5 In Example 1, (1) Various component amounts and polymerization conditions were changed. However, in Example 2, a polymerization initiator solution consisting of 1.0 g of azobis (2,4-dimethylvaleronitrile) and 16.0 g of polypropylene glycol monomethyl ether was used, the polymerization time was 6 hours, and the polymerization temperature was 70 ° C. changed. (2) Preparation of the treatment liquid and treatment with the treatment liquid were performed in the same manner. (3) The same measurements were performed on the resulting cured blended fabric.
- AATCC judgment value of new product is 5.0
- WI value is 95%
- indicates the initial evaluation value of untreated product variant tests conducted without water / oil repellent treatment
- AATCC judgment value is 1
- WI value is 62%
- both water repellency and oil repellency are 0.
- AATCC judgment value 4.5 is an intermediate value between 4 and 5.
- Comparative Examples 1 to 3 In Example 1, (1) instead of fluorine-containing monomers A to C, the same amount (41.0 g) of FAAC-8, FAMAC-6 or FAAC-6 was used. In Comparative Example 1, the amount of chain transfer agent was 0.4 g. The initiator amount was changed to 3.1 g, respectively. (2) Preparation of the treatment liquid and treatment with the treatment liquid were performed in the same manner. (3) The same treatment was performed on the resulting cured blended fabric.
- Comparative Example 4 (1) In Comparative Example 2, 2HEA and B-MAM were not used, but the amount of FAMAC-6 and PPOEOMA were changed to 45.0 g (50.0% by weight). (2) Preparation of the treatment liquid and treatment with the treatment liquid were performed in the same manner. (3) The same treatment was performed on the resulting cured blended fabric.
- Example 5 In Example 1, PEG / PPG monomethacrylate is not used, the amount of fluorine-containing monomer is changed to 82.0 g (91.1%), the amount of chain transfer agent is changed to 0.4 g, and the amount of azobis (isobutyronitrile) is changed to 3.1 g. It was. Since the obtained copolymer aggregated and precipitated, and a stable ethanolic dispersion could not be obtained, the properties of the produced dispersion and the copolymer, the treatment liquid and the measurement result cannot be displayed. .
- Example 2 Instead of methoxypolyethylene glycol monomethacrylate, the same amount (40.0 g; 49.4%) of stearyl acrylate was used. Since the obtained copolymer aggregated and precipitated, and a stable ethanolic dispersion could not be obtained, the properties of the produced dispersion and the copolymer, the treatment liquid and the measurement result cannot be displayed. .
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Abstract
Description
・フッ素系樹脂溶液を布帛に適用する前に親水性樹脂で加工し、プラズ
マ処理を施す方法(特許文献1)
・フッ素系樹脂溶液、無機塩およびポリエステルポリオキシアルキレン
エーテルブロック重合体を含む分散液中に繊維製品を浸漬し、その状 態のまま加熱処理する方法(特許文献2)
・フッ素系樹脂とブロックドイソシアネート化合物からなる架橋剤で処
理した後、さらに遠赤外線で照射処理する方法(特許文献3)
などの方法が適用されており、フッ素系樹脂としては親水性基を有するポリフルオロアルキル基含有(メタ)アクリル酸エステル共重合体などが用いられている。
CnF2n+1(CH2CF2)a(CF2CF2)b(CH2CH2)cOCOCR=CH2 〔I〕
で表わされ、ここで、Rは水素原子またはメチル基であり、nは1~6の整数であり、aは1~4の整数であり、bは1~3の整数であり、cは1~3の整数であるポリフルオロアルキルアルコール(メタ)アクリル酸誘導体および一般式
R1(OR2)p(OR3)qOCOCR=CH2 〔II〕
で表わされ、ここで、Rは水素原子またはメチル基であり、R1は水素原子、炭素数1~30の直鎖状または分岐状のアルキル基もしくは芳香族基であり、R2、R3は互いに異なる炭素数1~6の直鎖状または分岐状のアルキレン基であり、pは1~100の整数であり、qは0または1~50の整数であり、ただしp=1、q=0の場合にはR1は前記アルキル基または芳香族基である(メタ)アクリル酸ポリオキシアルキレンエステルとの共重合体よりなる含フッ素共重合体およびそれを有効成分とする撥水撥油剤によって達成される。ここで、(メタ)アクリル酸は、アクリル酸またはメタクリル酸を指している。
CnF2n+1(CH2CF2)a(CF2CF2)b(CH2CH2)cOCOCR=CH2 〔I〕
R:水素原子、メチル基
n:1~6の整数
a:1~4の整数
b:1~3の整数
cは1~3の整数
で表わされるポリフルオロアルキルアルコール(メタ)アクリル酸誘導体は、特許文献4~5に記載されている公知の化合物であり、例えば次のような化合物が例示される。
およびこれらに対応するメタクリル酸誘導体
R1(OR2)p(OR3)qOCOCR=CH2 〔II〕
R:水素原子、メチル基
R1:水素原子、炭素数1~30の直鎖状または分岐状のアルキル基
、芳香族基
R2、R3:互いに異なる炭素数1~6の直鎖状または分岐状のアルキ
レン基
p:1~100の整数
q:0または1~50の整数
で表わされる(メタ)アクリル酸ポリオキシアルキレンエステルは、末端水酸基、アルキル基または芳香族基を有するポリアルキレングリコールモノ(メタ)アクリレートであり、末端アルキル基としては、メチル、エチル、プロピル、イソプロピル、n-ブチル、イソブチル、ヘキシル、2-エチルヘキシル、ラウリル、パルミチル、ステアリルなどの炭素数1~30の直鎖状または分岐状のアルキル基が例示され、末端芳香族基としてはフェニル基または炭素数1~30のアルキル基で置換されたフェニル基が例示される。
CH2=CR1COOR3 〔III〕
CH2=CR1COOR6Y 〔IV〕
CH2=CR1COO(R7O)lR8 〔V〕
R1:H、メチル基
R3:炭素数1~30の直鎖状、分岐状または脂環状のアルキル基
、アラルキル基
R6:炭素数1~30のの直鎖状または分岐状のアルキレン基
R7:炭素数1~6の直鎖状または分岐状のアルキレン基
R8:H、炭素数1~30のの直鎖状または分岐状のアルキル基、芳
香族基
Y:架橋性官能基
l:1~50の整数
CH2=CRCOOR9(NR10SO2)mRf 〔VI〕
R:水素原子またはメチル基
R9:炭素数1~6の直鎖状または分岐状アルキレン基、ポリフル
オロアルキレン基
R10:炭素数1~4の低級アルキル基
Rf:炭素数1~6、好ましくは2~4のポリフルオロアルキル基、
好ましくはパーフルオロアルキル基
m:0または1
で表わされるものが用いられ、例えば特許文献4段落〔0018〕に例示されるようなポリフルオロアルキル基含有(メタ)アクリレート単量体が示される。ただし、末端ポリフルオロアルキル基の炭素数nは1~6でなければならず、R9基がポリフルオロアルキレン基の場合には、末端パーフルオロアルキル基との合計炭素数が2~6でなければならない。
(1) 攪拌機および温度計を備えた容量1200mlのオートクレーブに、
CF3(CF2)3(CH2CF2)(CF2CF2)I (99.8GC%)
603g(1.17モル)およびジ第3ブチルパーオキサイド7gを仕込み、真空ポンプでオートクレーブを脱気した。内温を80℃迄加熱したところで、エチレンを逐次的に導入し、内圧を0.5MPaとした。内圧が0.2MPa迄下がったら、再びエチレンを導入して0.5MPaとし、これをくり返した。内温を80~115℃に保ちながら、約3時間かけてエチレン49g(1.7モル)を導入した。内温50℃以下で内容物を回収し、
CF3(CF2)3(CH2CF2)(CF2CF2)(CH2CH2)I (98.3GC%)
635g(収率98.8%)を得た。
CF3(CF2)3(CH2CF2)(CF2CF2)(CH2CH2)I (98.3GC%)
100g(0.18モル)とN-メチルホルムアミド100g(1.68モル)を仕込み、150℃で4時間攪拌した。反応終了後、反応混合物を水30mlで洗浄し、その下層(82.8g)を15重量%p-トルエンスルホン酸水溶液83gと混合し、80℃で8時間攪拌した。反応混合物を静置後、下層として常温で無色透明の液体である反応生成物(78.4GC%)を60g(収率62.6%)得た。
CF3(CF2)3(CH2CF2)(CF2CF2)(CH2CH2)OH
CF3(CF2)3(CH2CF2)(CF2CF2)(CH2CH2)OCOCH=CH2 〔含フッ素モノマーA〕
(1) CF3(CF2)3(CH2CF2)(CF2CF2)2I (99.9GC%)
529g(0.86モル)およびジ第3ブチルパーオキサイド5gを用い、エチレン34g(1.2モル)を導入する反応を、合成例1の(1)と同様に行った。その結果、
CF3(CF2)3(CH2CF2)(CF2CF2)2(CH2CH2)I (99.1GC%)
550g(収率99.4%)を得た。
CF3(CF2)3(CH2CF2)(CF2CF2)2(CH2CH2)I (99.1GC%)
150g(0.24モル)とN-メチルホルムアミド105g(1.78モル)を仕込み、150℃で5時間攪拌した。反応終了後、反応混合物を水40mlで洗浄し、その下層(132.3g)を15重量%p-トルエンスルホン酸水溶液135gと混合し、80℃で7時間攪拌した。反応混合物を静置後、下層として白色の固体である反応生成物(65.5GC%)を103g(収率53.5%)得た。
CF3(CF2)3(CH2CF2)(CF2CF2)2(CH2CH2)OH
CF3(CF2)3(CH2CF2)(CF2CF2)2(CH2CH2)OCOCH=CH2 〔含フッ素モノマーB〕
合成例2(2)で得られた反応生成物(95.4GC%)60.0g(0.11モル)、トルエン29g、p-トルエンスルホン酸1.6gおよびハイドロキノン0.07gを、コンデンサおよび温度計を備えた容量100mlの三口フラスコに仕込み、内温を100℃迄加熱した後メタクリル酸12g(0.14モル)を加え、内温118℃で3時間攪拌した。反応終了後、冷却して82gの反応液を回収し、エバポレータでトルエンを除去した残渣64gを水道水で洗浄し、下層として常温で無色透明の液体である反応生成物(89GC%)を60.8g(収率86%)得た。
CF3(CF2)3(CH2CF2)(CF2CF2)2(CH2CH2)OCOC(CH3)=CH2 〔含フッ素モノマーC〕
(1) 攪拌機および温度計を備えた容量1200mlのオートクレーブに、
CF3(CF2)(CH2CF2)(CF2CF2)2I (97GC%)
603g(1.17モル)およびジ第3ブチルパーオキサイド7gを仕込み、真空ポンプでオートクレーブを脱気した。内温を80℃迄加熱したところで、エチレンを逐次的に導入し、内圧を0.5MPaとした。内圧が0.2MPa迄下がったら、再びエチレンを導入して0.5MPaとし、これをくり返した。内温を80~115℃に保ちながら、約3時間かけてエチレン49g(1.7モル)を導入した。内温50℃以下で内容物を回収し、
CF3(CF2)(CH2CF2)(CF2CF2)2(CH2CH2)I (98GC%)
630g(収率98.8%)を得た。
CF3(CF2)(CH2CF2)(CF2CF2)2(CH2CH2)I (98GC%)
100g(0.18モル)とN-メチルホルムアミド100g(1.68モル)を仕込み、150℃で4時間攪拌した。反応終了後、反応混合物を水30mlで洗浄し、その下層(82.8g)を15重量%p-トルエンスルホン酸水溶液83gと混合し、80℃で8時間攪拌した。反応混合物を静置後、下層として常温で無色透明の液体である反応生成物(78GC%)を60g(収率62%)得た。
CF3(CF2)(CH2CF2)(CF2CF2)2(CH2CH2)OH
CF3(CF2)(CH2CF2)(CF2CF2)2(CH2CH2)OCOCH=CH2 〔含フッ素モノマーD〕
以上の各成分中、AIBNエタノール溶液を除く各成分を内容量500mlのガラス製反応器に入れて混合し、窒素ガスで30分間置換した後、反応器内温度を徐々に上げ、40℃になったらAIBNエタノール溶液(重合開始剤溶液)15gを投入し、さらに内温を徐々に65℃迄上げ、その温度で24時間反応させた。なお、重合反応は、攪拌回転数400rpmの攪拌条件で行われた。
防汚・汚れ除去性能試験(AATCC判定値):
<初期性能評価(“初期”と表示)>
処理布に、4000km走行のダーティモータオイルを1滴滴下し、7gf/
cm2(686Pa)の荷重を1分間かけた後1時間室温下に放置し、洗濯1の方
法(40℃の花王製品アタック洗剤水溶液(濃度0.67g/L)30L(浴比1:30;
布1kgに対する洗剤水溶液量が30L)を用い、洗濯機で15分間洗濯を行っ
た後3分間脱水し、次いで15分間の濯ぎ、10分間の脱水および風乾また
は80℃のオーブン中で5分間の乾燥を行う)による洗濯を行い、乾燥した
試験布を下記判定基準(AATCC-TM130-1966準拠)で判定
判定基準1:著しく染みが残っている
〃 2:相当に染みが残っている
〃 3:僅かに染みが残っている
〃 4:染みが目立たない
〃 5:染みが残っていない
<洗濯耐久性評価(“洗濯”と表示)>
初期性能評価と同様に、ダーティモータオイルで汚した処理布に、洗
濯2の方法(洗濯1の方法において、洗剤水溶液量を20L(浴比1:30)
に、洗濯時間を50分に、最後の脱水時間を5分に、オーブンでの乾燥
時間を10分にそれぞれ変更)で洗濯を行った後、初期性能と同様に判
定
汚れ除去度評価(白色係数):
初期性能評価(初期)と洗濯耐久性評価(洗濯)に用いられた洗濯・乾燥
後の試験布を、分光測色計(コニカミノルタセンシング製CM-1000)で
反射率を測定し、白色係数(W.I%)を算出して、その数値の大小から
汚れの除去程度を評価(白色係数が小さいもの程、汚れの程度が大き
いと判定される)
撥水撥油性能評価:
初期性能評価(初期)と洗濯耐久性評価(洗濯)に用いられた洗濯・乾燥
後の試験布について、撥水性(JIS L1092準拠)および撥油性(AATCC-TM
118-1992準拠)を測定した
なお、撥水性の評価基準は、前記JISの規定に従って行われた。
撥水度 状態
100 表面に湿潤や水滴の付着のないもの
90 表面にわずかに水滴付着を示すもの
80 表面に個々の部分的湿潤を示すもの
70 表面の半分に湿潤を示すもの
50 表面全体に湿潤を示すもの
0 表裏両面が完全に湿潤を示すもの
撥油性の評価基準は、前記AATCC-TM118の規定に従って、撥油処理さ
れた布上に1滴の試験液を滴下し、30秒間経過後の状態を観察し、滴下
された試験液が布上に保持されている場合には、さらに数字の大きい試
験液で試験し、そして布上に保持されるのに限界の試験液をもって、次
表の撥油性評価に基づいて評価する(なお、100%ヌジョールを保持しな
い場合を0とする)
表面張力
撥油性No. 試験溶液 (mN/m,25℃)
8 n-ヘプタン 20.0
7 n-オクタン 21.8
6 n-デカン 23.5
5 n-ドデカン 25.0
4 n-テトラデカン 26.7
3 n-ヘキサデカン 27.3
2 ヌジョール-n-ヘキサデカン 29.6
(容積比65%:35%)
1 ヌジョール 31.2
実施例1において、
(1) 各種成分量および重合条件が種々に変更された。ただし、実施例2では、アゾビス(2,4-ジメチルバレロニトリル)1.0gおよびポリプロピレングリコールモノメチルエーテル16.0gよりなる重合開始剤溶液が用いられ、重合時間は6時間に、重合温度は70℃にそれぞれ変更された。
(2) 処理液の調製および処理液による処理が同様に行われた。
(3) 得られたキュアリング混紡布について、同様の測定が行われた。
注1) 新品(購入布)のAATCC判定値は5.0、W.I値は95%であり、未処
理品(撥水撥油処理せずに、各種試験を行ったもの)の初期評価
値を示すAATCC判定値は1、W.I値は62%であり、撥水性、撥油
性は共に0である
注2) AATCC判定値 4.5は、4と5との中間値を示している
注3) 表1~2の略号の説明
含フッ素モノマーA:C4F9(CH2CF2)(CF2CF2)(CH2CH2)OCOCH=CH2
含フッ素モノマーB:C4F9(CH2CF2)(CF2CF2)2(CH2CH2)OCOCH=CH2
含フッ素モノマーC:C4F9(CH2CF2)(CF2CF2)2(CH2CH2)OCOC(CH3)=CH2
含フッ素モノマーD:C2F5(CH2CF2)(CF2CF2)2(CH2CH2)OCOCH=CH2
FAAC-8: 2-(n-パーフルオロオクチル)エチルアクリレート
FAMAC-6: 2-(n-パーフルオロヘキシル)エチルメタクリレート
FAAC-6: 2-(n-パーフルオロヘキシル)エチルアクリレート
PPOEOMA: 日油製品ブレンマー50PEP-300
ポリエチレングリコール(n:3.5)ポリプロピレン
グリコール(n:2.5)モノメタクリレート
PEOMA: 日油製品ブレンマーPME-200
メトキシポリエチレングリコール(n:4)モノメタクリ
レート
2HEA: 2-ヒドロキシエチルアクリレート
B-MAM: N-n-ブトキシメチルアクリルアミド
EHMA : 2-エチルヘキシルメタクリレート
n-DMC: n-ドデシルメルカプタン
実施例1において、
(1) 含フッ素モノマーA~Cの代りにそれぞれ同量(41.0g)のFAAC-8、FAMAC-6またはFAAC-6が用いられ、また比較例1では連鎖移動剤量が0.4gに、重合開始剤量が3.1gにそれぞれ変更して用いられた。
(2) 処理液の調製および処理液による処理が同様に行われた。
(3) 得られたキュアリング混紡布について、同様の処理が行われた。
(1) 比較例2において、2HEAおよびB-MAMがそれぞれ用いられず、FAMAC-6量およびPPOEOMA量がそれぞれ45.0g(50.0重量%)に変更して用いられた。
(2) 処理液の調製および処理液による処理が同様に行われた。
(3) 得られたキュアリング混紡布について、同様の処理が行われた。
実施例1において、
PEG・PPGモノメタクリレートが用いられず、含フッ素モノマー量が82.0g(91.1%)に、連鎖移動剤量が0.4gに、またアゾビス(イソブチロニトリル)量が3.1gにそれぞれ変更されて用いられた。
得られた共重合体は、凝集沈殿してしまい、安定なエタノール性分散液を得ることができなかったので、生成分散液および共重合体の性状、処理液および測定結果は表示することができない。
実施例2において、
メトキシポリエチレングリコールモノメタクリレートの代りに、同量(40.0g;49.4%)のステアリルアクリレートが用いられた。
得られた共重合体は、凝集沈殿してしまい、安定なエタノール性分散液を得ることができなかったので、生成分散液および共重合体の性状、処理液および測定結果は表示することができない。
表2
比較例1 比較例2 比較例3 比較例4
〔初期仕込みモノマー〕
g % g % g % g %
FAAC-8 41.0 45.6
FAMAC-6 41.0 45.6 45.0 50.0
FAAC-6 41.0 45.6
PPOEOMA 41.0 45.6 41.0 45.6 41.0 45.6 45.0 50.0
2HEA 4.0 4.4 4.0 4.4 4.0 4.4
B-MAM 4.0 4.4 4.0 4.4 4.0 4.4
〔連鎖移動剤〕
n-DMC (g) 0.4 0.5 0.5 0.5
〔生成分散液〕
固形分濃度(%) 27.04 28.50 27.72 26.50
回収量 (kg) 286.8 267.9 278.9 285.0
回収率 (%) 95.6 89.3 93.0 95.0
粘度 (mPa・s) 23.2 22.8 18.4 25.0
〔共重合体〕
Mw (×103) 45 42 23 56
Mw/Mn 2.5 2.6 2.8 2.8
性能試験
〔処理液〕
重合液 (g) 11.8 11.2 11.5 12.1
架橋剤 (g) 2.0 2.0 2.0 2.0
水 (g) 186.2 186.8 186.5 185.9
〔測定結果〕
初期 洗濯 初期 洗濯 初期 洗濯 初期 洗濯
AATCC判定値 5.0 4.5 3.5 2.5 2.5 2.0 2.5 1.5
白色係数 (W.I%) 95 93 88 82 81 78 78 65
撥水性 70 50 50 50 50 50 50 50
撥油性 7 6 6 5 5 5 4 2
Claims (9)
- 一般式
CnF2n+1(CH2CF2)a(CF2CF2)b(CH2CH2)cOCOCR=CH2 〔I〕
で表わされ、ここで、Rは水素原子またはメチル基であり、nは1~6の整数であり、aは1~4の整数であり、bは1~3の整数であり、cは1~3の整数であるポリフルオロアルキルアルコール(メタ)アクリル酸誘導体および一般式
R1(OR2)p(OR3)qOCOCR=CH2 〔II〕
で表わされ、ここで、Rは水素原子またはメチル基であり、R1は水素原子、炭素数1~30の直鎖状または分岐状のアルキル基もしくは芳香族基であり、R2、R3は互いに異なる炭素数1~6の直鎖状または分岐状のアルキレン基であり、pは1~100の整数であり、qは0または1~50の整数であり、ただしp=1、q=0の場合にはR1は前記アルキル基または芳香族基である(メタ)アクリル酸ポリオキシアルキレンエステルとの共重合体よりなる含フッ素共重合体。 - 重量平均分子量Mwが1,000~1,000,000である請求項1記載の含フッ素共重合体。
- R2がエチレン基であり、R3はがプロピレン基またはブチレン基である(メタ)アクリル酸ポリオキシアルキレンエステルが共重合された請求項1記載の含フッ素共重合体。
- さらに架橋性基含有単量体を共重合させた請求項1記載の含フッ素共重合体。
- 架橋性基含有単量体が水酸基、アミド基またはエポキシ基含有単量体である請求項4記載の含フッ素共重合体。
- 請求項1または4記載の含フッ素共重合体を有効成分とする撥水撥油剤。
- 架橋剤としてブロックドイソシアネートが添加された請求項6記載の撥水撥油剤。
- 綿布帛または綿混紡布帛に適用される請求項6記載の撥水撥油剤。
- 綿布帛または綿混紡布帛に適用される請求項7記載の撥水撥油剤。
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KR1020147016034A KR101649572B1 (ko) | 2011-12-12 | 2012-11-16 | 함불소 공중합체 및 그것을 유효 성분으로 하는 발수발유제 |
CN201280061042.5A CN103974985B (zh) | 2011-12-12 | 2012-11-16 | 含氟共聚物和以其作为有效成分的拒水拒油剂 |
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JP6521478B2 (ja) * | 2014-10-03 | 2019-05-29 | ユニマテック株式会社 | 反応性基を有する含フッ素2ブロック共重合体及び反応性基を有する含フッ素2ブロック共重合体の製造方法 |
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FR3120238A1 (fr) * | 2021-02-26 | 2022-09-02 | Induo | Textile en coton hydrophobe et procede de fabrication de textile teint fonctionnalise |
FR3120240A1 (fr) * | 2021-02-26 | 2022-09-02 | Induo | Procede de fabrication de textile teint fonctionnalise |
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JP2013122017A (ja) | 2013-06-20 |
KR101649572B1 (ko) | 2016-08-19 |
US20140378018A1 (en) | 2014-12-25 |
CN103974985A (zh) | 2014-08-06 |
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