WO2022234757A1 - 撥水撥油剤組成物、撥水撥油剤組成物の製造方法及び物品 - Google Patents
撥水撥油剤組成物、撥水撥油剤組成物の製造方法及び物品 Download PDFInfo
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- WO2022234757A1 WO2022234757A1 PCT/JP2022/017232 JP2022017232W WO2022234757A1 WO 2022234757 A1 WO2022234757 A1 WO 2022234757A1 JP 2022017232 W JP2022017232 W JP 2022017232W WO 2022234757 A1 WO2022234757 A1 WO 2022234757A1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
- C09D5/1668—Vinyl-type polymers
-
- 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
- C08F214/00—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 a halogen
- C08F214/18—Monomers containing fluorine
-
- 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
- C08F214/00—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 a halogen
- C08F214/18—Monomers containing fluorine
- C08F214/186—Monomers containing fluorine with non-fluorinated comonomers
-
- 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
- C08F214/00—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 a halogen
- C08F214/18—Monomers containing fluorine
- C08F214/186—Monomers containing fluorine with non-fluorinated comonomers
- C08F214/188—Monomers containing fluorine with non-fluorinated comonomers with non-fluorinated vinyl ethers
-
- 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
- C08F218/00—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 an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid
- C08F218/02—Esters of monocarboxylic acids
- C08F218/04—Vinyl esters
- C08F218/10—Vinyl esters of monocarboxylic acids containing three or more carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions based on 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 a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on 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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on 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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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- C—CHEMISTRY; METALLURGY
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D131/00—Coating compositions based on 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 an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
- C09D131/02—Homopolymers or copolymers of esters of monocarboxylic acids
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- C09K3/00—Materials not provided for elsewhere
- C09K3/18—Materials not provided for elsewhere for application to surfaces to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- 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
- D06M15/244—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons
- D06M15/248—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons containing chlorine
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- 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
- D06M15/244—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons
- D06M15/256—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons containing fluorine
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- 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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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- 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
- D06M15/277—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof containing fluorine
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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
- C08F2800/10—Copolymer characterised by the proportions of the comonomers expressed as molar percentages
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- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
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- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/11—Oleophobic properties
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- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/12—Hydrophobic properties
Definitions
- the present invention relates to a water and oil repellent composition, a method for producing a water and oil repellent composition, and articles.
- Patent Document 1 As a method of imparting water and oil repellency to the surface of an article such as a textile product, there is a method of treating the article with a water and oil repellent composition containing a fluoropolymer having a unit based on (perfluoroalkyl)ethylene. It is known (Patent Document 1).
- articles treated with the water and oil repellent composition containing the fluoropolymer described in Patent Document 1 may not have sufficient water repellency.
- the present invention provides a water and oil repellent composition from which an article with excellent water repellency can be obtained, a method for producing the same, and an article with excellent water repellency.
- the present invention has the following aspects. [1] including a polymer having a unit based on the following monomer (a), a unit based on the following monomer (b), and a unit based on the following monomer (c); The total ratio of the units based on the monomer (a), the units based on the monomer (b), and the units based on the monomer (c) to the units is 95 mol% or more, repellent Water and oil repellent composition.
- CR 1 R 2 CR 3 R 4 Formula (1) provided that R 1 is F, Cl or H, R 2 is F or H, R 3 is F or H, R 4 is F, H or CF 3 , and R 1 to R 4 is F.
- Monomer (b) A compound represented by the following formula (2). CH 2 ⁇ CH—R f Formula (2) However, R f is a perfluoroalkyl group having 1 to 6 carbon atoms.
- Monomer (c) carboxylic acid vinyl ester.
- [2] The water/oil repellent composition of [1] above, wherein the polymer further has a unit based on the following monomer (d).
- Monomer (d) Another monomer copolymerizable with the monomer (a), the monomer (b) and the monomer (c).
- the ratio of the total of the units based on the monomer (b) and the units based on the monomer (c) to the total units constituting the polymer is 85 mol% or more and 99 mol% or less.
- Any of the above [1] to [3], wherein the molar ratio of units based on the monomer (b)/units based on the monomer (c) is 0.20 or more and 0.80 or less A water and oil repellent composition.
- a method for producing a water and oil repellent composition in which a monomer component is polymerized in the presence of a polymerization initiator; the monomer component comprises the following monomer (a) and the following monomer ( b) and the following monomer (c); the ratio of the total of the monomer (a), the monomer (b) and the monomer (c) to the monomer component is , 95 mol % or more, a method for producing a water and oil repellent composition.
- Monomer (a) A compound represented by the following formula (1).
- CR 1 R 2 CR 3 R 4 Formula (1) provided that R 1 is F, Cl or H, R 2 is F or H, R 3 is F or H, R 4 is F, H or CF 3 , and R 1 to At least one of R4 is F.
- Monomer (d) Another monomer copolymerizable with the monomer (a), the monomer (b) and the monomer (c).
- the water and oil repellent composition of the present invention articles having excellent water repellency can be obtained. According to the method for producing a water and oil repellent composition of the present invention, it is possible to produce a water and oil repellent composition that gives articles having excellent water repellency.
- the article of the present invention has excellent water repellency.
- a unit based on a monomer is a general term for an atomic group directly formed by polymerization of one molecule of a monomer and an atomic group obtained by chemically converting a part of the atomic group.
- (Meth)acrylate is a generic term for acrylate and methacrylate.
- (meth)acryloyloxy group is a generic term for acryloyloxy group and methacryloyloxy group.
- the number average molecular weight (hereinafter also referred to as "Mn”) and the weight average molecular weight (hereinafter also referred to as "Mw”) of the polymer were obtained by gel permeation using a calibration curve prepared using a standard polymethyl methacrylate sample. It is a polymethyl methacrylate-equivalent molecular weight obtained by measurement by chromatography (hereinafter also referred to as "GPC”).
- the solid content concentration is the mass of the sample before heating, and the mass of the solid content after drying the sample for 4 hours in a convection dryer at 120 ° C. (solid mass / sample mass) x 100.
- ⁇ indicating a numerical range means that the numerical values before and after it are included as lower and upper limits.
- the proportions, contents, ratios, and various physical property values disclosed in this specification can be made into new numerical ranges by arbitrarily combining their lower limits and upper limits.
- the water and oil repellent composition of the present invention contains a specific polymer (hereinafter also referred to as "polymer (A)").
- the composition typically contains polymer (A) and a medium. Examples of the medium include aqueous media and organic solvents. As the medium, an aqueous medium is preferred.
- the composition may optionally contain a surfactant.
- the composition may optionally contain other ingredients.
- This composition is preferably a fluoropolymer dispersion containing the polymer (A), an aqueous medium and a surfactant.
- the fluoropolymer dispersion includes a dispersion obtained by the production method described below.
- the fluoropolymer dispersions also include dispersions further diluted in any aqueous medium for treating articles.
- the present composition may be a fluoropolymer solution containing the polymer (A) and an organic solvent and containing no surfactant.
- the polymer (A) includes units based on the monomer (a) (hereinafter also referred to as “units (a)”) and units based on the monomer (b) (hereinafter referred to as “units (b)”). ) and a unit based on the monomer (c) (hereinafter also referred to as “unit (c)”).
- the polymer (A) may further have units based on the monomer (d) (hereinafter also referred to as "units (d)”), if necessary.
- Monomer (a) A compound represented by the following formula (1).
- CR 1 R 2 CR 3 R 4 Formula (1) provided that R 1 is F, Cl or H, R 2 is F or H, R 3 is F or H, R 4 is F, H or CF 3 , and R 1 to R 4 is F.
- Monomer (b) A compound represented by the following formula (2). CH 2 ⁇ CH—R f Formula (2) However, R f is a perfluoroalkyl group having 1 to 6 carbon atoms.
- Monomer (c) carboxylic acid vinyl ester.
- Monomer (d) Other monomers copolymerizable with monomer (a), monomer (b) and monomer (c).
- Examples of the monomer (a) include tetrafluoroethylene, trifluoroethylene, chlorotrifluoroethylene (hereinafter also referred to as "CTFE"), hexafluoropropylene, vinylidene fluoride, vinyl fluoride, 2,2, 3,3-tetrafluoropropene is mentioned.
- CTFE chlorotrifluoroethylene
- hexafluoropropylene vinylidene fluoride
- vinyl fluoride vinyl fluoride
- 2,2, 3,3-tetrafluoropropene is mentioned.
- CTFE chlorotrifluoroethylene
- hexafluoropropylene are used because the conversion to the polymer (A) tends to be good, the availability of raw materials, and the ease of handling.
- At least one selected from the group consisting of fluoropropylene is preferred, and CTFE is particularly preferred in terms of good adhesion between the present composition and articles treated with the present composition.
- Monomer (a) may be used
- the carbon number of R f is 1 to 6 from the viewpoint of easy conversion to the polymer (A), availability of raw materials, and ease of handling. , 4 to 6 are preferred, and 4 is particularly preferred. R f is preferably linear.
- Examples of the monomer (b) include CH 2 ⁇ CH—CF 3 , CH 2 ⁇ CH—CF 2 CF 3 , CH 2 ⁇ CH—CF 2 CF 2 CF 3 , CH 2 ⁇ CH—CF(CF 3 ) 2 , CH 2 ⁇ CH—(CF 2 ) 3 CF 3 , CH 2 ⁇ CH—CF 2 CF(CF 3 ) 2 , CH 2 ⁇ CH—C(CF 3 ) 3 , CH 2 ⁇ CH—(CF 2 ) 4 CF 3 , CH 2 ⁇ CH—CF 2 CF 2 CF(CF 3 ) 2 , CH 2 ⁇ CH—(CF 2 ) 5 CF 3 .
- Monomer (b) may be used alone or in combination of two or more.
- R5 is an alkyl group, a cycloalkyl group, an aryl group or a heterocyclic group.
- R5 is preferably an alkyl group.
- the number of carbon atoms in the alkyl group is such that it is easy to copolymerize with the monomer (a) and the monomer (b), and the adhesiveness between the present composition and an article treated with the present composition is good, 1 to 30 are preferred, 1 to 22 are more preferred, 1 to 18 are even more preferred, and 1 to 8 are particularly preferred.
- the number of carbon atoms forming the ring of the cycloalkyl group is, for example, 3-8.
- the alkyl group, cycloalkyl group, aryl group and heterocyclic group may each have a reactive group and a halogen atom.
- Each of the alkyl group, cycloalkyl group, aryl group, and heterocyclic group may have a linking group such as an etheric oxygen atom, a carbonyloxy group, or a carbonyl group at a portion other than the bond terminal.
- each of the alkyl groups, cycloalkyl groups, aryl groups, and heterocyclic groups may have a polymerizable carbon-carbon double bond. Reactive groups are described in detail later.
- R 5 does not have a polymerizable carbon-carbon double bond.
- Examples of the monomer (c) include vinyl acetate, vinyl propionate, vinyl butyrate, vinyl pivalate, vinyl caproate, vinyl caprylate, vinyl laurate, vinyl myristate, vinyl palmitate, vinyl stearate, olein Examples include vinyl acid, vinyl benzoate, vinyl chloroacetate, and divinyl adipate. Monomer (c) may be used alone or in combination of two or more.
- the monomer (c) may be a carboxylic acid vinyl ester having an alkyl group having 1 to 8 carbon atoms ( Hereinafter, it is also referred to as “monomer (c1)”).
- the monomer (c) may be a carboxylic acid vinyl ester having an alkyl group of 12 or more carbon atoms ( Hereinafter, also referred to as “monomer (c2)”) is preferable.
- two or more monomers (c) When two or more monomers (c) are used in combination, two or more monomers (c1) may be used in combination, and two or more monomers (c2) may be used in combination. Alternatively, the monomer (c1) and the monomer (c2) may be used in combination. Combined use of two or more monomers (c1) may contribute to the improvement of the receding contact angle.
- Examples of the monomer (c1) include compounds in which R 5 in the above formula (3) is an alkyl group having 1 to 8 carbon atoms.
- the number of carbon atoms in the alkyl group of the monomer (c1) is preferably 1 to 3 from the viewpoint of excellent adhesion between the present composition and articles treated with the present composition.
- Alkyl groups are preferably linear.
- Examples of the monomer (c1) include vinyl acetate, vinyl propionate, vinyl butyrate, vinyl pivalate, and vinyl caproate. Vinyl acetate is preferred as the monomer (c1).
- Monomer (c1) may be used alone or in combination of two or more.
- Examples of the monomer (c2) include compounds in which R 5 in the above formula (3) is an alkyl group having 12 or more carbon atoms.
- the number of carbon atoms in the alkyl group of the monomer (c2) is preferably 16 or more from the viewpoint of excellent water repellency.
- the number of carbon atoms in the alkyl group of the monomer (c2) is preferably 30 or less, more preferably 22 or less, and even more preferably 18 or less, from the viewpoint of excellent availability and handleability.
- Alkyl groups are preferably linear.
- Examples of the monomer (c2) include vinyl myristate, vinyl palmitate, vinyl stearate and vinyl oleate. As the monomer (c2), vinyl myristate, vinyl palmitate and vinyl stearate are preferable, and vinyl stearate is more preferable.
- Monomer (c2) may be used alone or in combination of two or more.
- Examples of monomer (d) include crosslinkable monomers having a reactive group (excluding monomer (c)).
- the polymer (A) contains units based on a crosslinkable monomer, the washing durability of the water repellency of the article treated with the composition, the adhesion between the composition and the article treated with the composition improves.
- the reactive group should just form a crosslinked structure by reaction with another functional group.
- other functional groups include, for example, reactive groups of monomers other than the monomer (d), functional groups of a cross-linking agent optionally contained in the present composition, and treated with the present composition. It is a functional group present on the surface of the article.
- Examples of reactive groups include hydroxy groups, epoxy groups, amino groups, monoalkylamino groups, dialkylamino groups, carboxy groups, isocyanate groups, oxazoline groups, and carbodiimide groups.
- the number of carbon atoms in the alkyl group in the monoalkylamino group and dialkylamino group is, for example, 1-4.
- the reactive group is preferably a hydroxy group, an epoxy group, or an amino group, more preferably a hydroxy group, from the standpoint of excellent availability and handleability.
- the crosslinkable monomer may be a monofunctional monomer having one polymerizable carbon-carbon double bond or a polyfunctional monomer having two or more polymerizable carbon-carbon double bonds. A monofunctional monomer is preferable as the crosslinkable monomer from the viewpoint of excellent polymerizability.
- Examples of Z include an aliphatic hydrocarbon group having a reactive group, an aryl group having a reactive group, and a cyclic group having a heteroatom substituted with a reactive group.
- the aliphatic hydrocarbon group includes, for example, an alkyl group, an alkyl group having an oxygen atom between carbon atoms, an alkenyl group, an alkenyl group having an oxygen atom between carbon atoms, and a cycloalkyl group.
- the number of carbon atoms in the alkyl group and alkenyl group is, for example, 1-6.
- the number of carbon atoms forming the ring of the cycloalkyl group is, for example, 3-8.
- Heteroatoms include, for example, nitrogen atoms, oxygen atoms, and sulfur atoms.
- the heteroatom-containing cyclic group is preferably saturated, preferably a 3- to 9-membered ring, more preferably a 3- to 6-membered ring.
- Z is preferably a hydroxyalkyl group. The number of carbon atoms in the hydroxyalkyl group is preferably 2-6.
- crosslinkable monomer vinyl ether and allyl ether are preferred because they are excellent in copolymerizability with the monomer (a), the monomer (b) and the monomer (c) and are difficult to be decomposed by alkali or the like. is preferred, and allyl ether is more preferred.
- crosslinkable monomers examples include vinyl ethers having a hydroxy group, vinyl ethers such as glycidyl vinyl ether; allyl ethers having a hydroxy group, allyl ethers having no hydroxy group such as glycidyl allyl ether; hydroxyalkyl (meth)acrylates, glycidyl (Meth)acrylates, 2-[(3,5-dimethylpyrazolyl)carbonylamino]ethyl (meth)acrylate and the like; and (meth)acrylamide compounds such as N-methylol acrylamide.
- Vinyl ethers having a hydroxy group include, for example, 2-hydroxyethyl vinyl ether, 3-hydroxypropyl vinyl ether, 4-hydroxybutyl vinyl ether, diethylene glycol monovinyl ether, and cyclohexanedimethanol monovinyl ether.
- Examples of allyl ethers having a hydroxy group include ethylene glycol monoallyl ether, diethylene glycol allyl ether, glycerin monoallyl ether, pentaerythritol triallyl ether, and trimethylolpropane diallyl ether.
- Hydroxyalkyl (meth)acrylates include, for example, 2-hydroxyethyl (meth)acrylate, 3-hydroxypropyl (meth)acrylate, 4-hydroxybutyl (meth)acrylate and polyethylene glycol (meth)acrylate.
- vinyl ethers having a hydroxy group and allyl ethers having a hydroxy group are preferable, and 4-hydroxybutyl vinyl ether, diethylene glycol monovinyl ether, cyclohexanedimethanol monovinyl ether and ethylene glycol monoallyl ether are more preferable.
- the crosslinkable monomers may be used singly or in combination of two or more.
- monomer (d) examples include halogenated olefins (excluding monomers (a) and (b)), halogenated olefin derivatives, allyl esters (with the monomers), vinyl ethers (excluding cross-linking monomers), allyl ethers (excluding cross-linking monomers), olefins, (meth)acrylates (cross-linking monomers ), N-vinylpyrrolidone, N-vinyl- ⁇ -caprolactam, and ethyl vinyl sulfide.
- Halogenated olefins include, for example, vinyl halides and vinylidene halides. More specific examples include vinyl chloride and vinylidene chloride.
- Halogenated olefin derivatives include, for example, perfluoro(alkyl vinyl ethers).
- allyl esters examples include allyl acetate.
- Vinyl ethers include, for example, methyl vinyl ether, ethyl vinyl ether, n-butyl vinyl ether, iso-butyl vinyl ether, tert-butyl vinyl ether, stearyl vinyl ether, 1-chloromethyl vinyl ether, 2- Chloroethyl vinyl ether, chloropropyl vinyl ether, cyclohexyl vinyl ether.
- allyl ethers examples include allyl ethyl ether, diallyl ether, and 1,3-diallyloxy-2-propanol.
- Olefins include, for example, ethylene and propylene.
- (Meth)acrylates include, for example, methyl (meth)acrylate, ethyl (meth)acrylate, n-butyl (meth)acrylate, tert-butyl (meth)acrylate, lauryl Alkyl (meth)acrylates such as (meth)acrylate, stearyl (meth)acrylate and behenyl (meth)acrylate; and fluoroalkyl (meth)acrylates such as 2-perfluorohexylethyl (meth)acrylate.
- the polymer (A) preferably does not have a unit based on (meth)acrylate having a perfluoroalkyl group from the viewpoint that it is possible to obtain an article whose water and oil repellency is less likely to deteriorate due to alkalis and the like. Therefore, as the (meth)acrylate, a (meth)acrylate having no fluorine atom such as an alkyl (meth)acrylate is preferable.
- the total ratio of the units (a), the units (b) and the units (c) to the total units constituting the polymer (A) is 95 mol% or more, preferably 96 mol% or more, and 100 mol%. There may be.
- the total ratio of units (a), units (b) and units (c) is at least the above lower limit, articles treated with the present composition are excellent in water repellency and washing durability.
- the polymer (A) contains the unit (d)
- the total ratio of the unit (a), the unit (b) and the unit (c) to the total units constituting the polymer (A) is 99.9 mol. % or less, and more preferably 99.5 mol % or less.
- the ratio of the units (a) to the total units constituting the polymer (A) is preferably 1 mol% or more, more preferably 3 mol% or more.
- the ratio of the units (a) to the total units constituting the polymer (A) is preferably 12 mol% or less, more preferably 10 mol% or less, even more preferably 8 mol% or less.
- the proportion of the unit (a) is at least the above lower limit, the receding contact angle is improved, and the water repellency of the article treated with the present composition is more excellent.
- the proportion of the units (a) is equal to or less than the above upper limit, the polymer (A) can sufficiently contain the units (b), and the article treated with the present composition has more excellent water repellency.
- the total ratio of the units (b) and (c) to the total units constituting the polymer (A) is preferably 85 mol% or more, more preferably 90 mol% or more.
- the total ratio of the units (b) and (c) to the total units constituting the polymer (A) is preferably 99 mol% or less, more preferably 97 mol% or less. If the total ratio of the units (b) and (c) is at least the above lower limit, the articles treated with the present composition will have more excellent water repellency and oil repellency. If the total ratio of the units (b) and (c) is equal to or less than the above upper limit, the polymer (A) can sufficiently contain the units (a), and the water repellency of the article treated with the present composition is better.
- the unit (b)/unit (c) molar ratio is preferably 0.20 or more, more preferably 0.30 or more, and even more preferably 0.49 or more.
- the unit (b)/unit (c) molar ratio is preferably 0.80 or less, more preferably 0.70 or less.
- the water repellency of articles treated with the present composition is more excellent.
- the molar ratio of units (b)/units (c) is equal to or less than the above upper limit, polymerization of the monomer components readily proceeds during the production of the polymer (A).
- the molar ratio of units based on the monomer (c2)/units based on the monomer (c1) is preferably 0 to 4.0. 2.0 to 3.0 is more preferable.
- the ratio of the units (d) to the total units constituting the polymer (A) is 5 mol % or less, preferably 4 mol % or less, and may be 0 mol %.
- the ratio of the unit (d) to the total units constituting the polymer (A) is preferably 0.5 mol% or more, and 1.0 mol% or more. more preferred. All units constituting polymer (A) are the sum of units (a), units (b), units (c) and units (d).
- the ratio of each unit can be calculated from the reaction rate of each monomer by 1 H-NMR or gas chromatography.
- the conversion rate of the monomer component to the polymer (A) is high (for example, 90% or more)
- the ratio of each unit based on the charged amount of each monomer may be calculated.
- the conversion rate is determined by the method described in Examples below.
- the Mn of the polymer (A) is preferably 10,000 or more, more preferably 11,000 or more, and even more preferably 12,000 or more. Mn of the polymer (A) is preferably 100,000 or less, more preferably 70,000 or less, even more preferably 50,000 or less. When the Mn of the polymer (A) is at least the above lower limit, the article treated with the present composition will have more excellent water and oil repellency. If the Mn of the polymer (A) is at most the upper limit, the water dispersibility of the polymer (A) is more excellent.
- the Mw of the polymer (A) is preferably 10,000 or more, more preferably 20,000 or more, and even more preferably 30,000 or more.
- the Mw of the polymer (A) is preferably 150,000 or less, more preferably 120,000 or less, even more preferably 100,000 or less.
- the articles treated with the present composition have more excellent water and oil repellency. If the Mw of the polymer (A) is at most the upper limit, the water dispersibility of the polymer (A) is more excellent.
- aqueous medium examples include water and mixtures of water and water-soluble organic solvents.
- a water-soluble organic solvent is an organic solvent that is miscible with water in any proportion.
- the water-soluble organic solvent at least one selected from the group consisting of alcohols (excluding ether alcohols), ether alcohols and aprotic polar solvents is preferred.
- alcohols include t-butanol and propylene glycol.
- Ether alcohols include, for example, 3-methoxymethylbutanol, dipropylene glycol, dipropylene glycol monomethyl ether, and tripropylene glycol.
- aprotic polar solvents examples include N,N-dimethylformamide, dimethylsulfoxide, tetrahydrofuran (hereinafter also referred to as "THF"), acetonitrile, acetone, 3-methoxy-N,N-dimethylpropanamide, 3- butoxy-N,N-dimethylpropanamide, 3-methoxy-3-methyl-1-butanol, triethylene glycol dimethyl ether, tetraethylene glycol dimethyl ether.
- the water-soluble organic solvent is preferably an ether alcohol, since it improves the compatibility between the polymer (A) and the aqueous medium and facilitates formation of a uniform film on the article.
- Propylene glycol, tripropylene glycol and dipropylene glycol monomethyl ether are more preferred.
- the aqueous medium is a mixture of water and a water-soluble organic solvent
- the content of the water-soluble organic solvent is preferably 1-80 parts by mass, more preferably 5-60 parts by mass, per 100 parts by mass of water.
- surfactant As the surfactant, a surfactant having no fluorine atom is preferred. Surfactants include anionic surfactants, nonionic surfactants, cationic surfactants, and amphoteric surfactants. As the surfactant, from the viewpoint of excellent dispersion stability of the aqueous dispersion containing the polymer (A), a nonionic surfactant alone, an anionic surfactant alone, a nonionic surfactant and a cation A combination of a surfactant, a combination of a nonionic surfactant and an amphoteric surfactant is preferred, and a combination of a nonionic surfactant and a cationic surfactant is more preferred.
- the ratio of the nonionic surfactant to the cationic surfactant is preferably 100/0 to 40/60 (mass ratio), and 97/3 to 40/60. (mass ratio) is more preferable.
- the total amount of surfactants per 100 parts by mass of polymer (A) can be 5 parts by mass or less. Therefore, the influence of the surfactant on the water and oil repellency of the article treated with the present composition can be reduced.
- nonionic surfactants examples include surfactants containing no fluorine atoms among surfactants s 1 to s 6 described in paragraphs [0067] to [0095] of JP-A-2009-215370. be done. Polyoxyethylene alkyl ethers are preferred as the surfactant s1 . Acetylene glycol ethylene oxide adducts are preferred as the surfactant s2. As the surfactant s3 , an ethylene oxide propylene oxide polymer is preferred.
- a nonionic surfactant may be used individually by 1 type, and may use 2 or more types together.
- cationic surfactants include surfactants containing no fluorine atom among surfactants s7 described in paragraphs [0096] to [0100] of JP-A- 2009-215370 .
- the surfactant s7 is preferably an ammonium salt in which one or more of the hydrogen atoms bonded to the nitrogen atom is substituted with an alkyl group, an alkenyl group, or a polyoxyalkylene chain having a terminal hydroxyl group, and the following formula (5) A compound represented by is more preferable.
- R 21 is a hydrogen atom, an alkyl group having 1 to 22 carbon atoms, an alkenyl group having 2 to 22 carbon atoms, or a polyoxyalkylene chain having a terminal hydroxyl group.
- the four R 21 may be the same or different, but the four R 21 are not hydrogen atoms at the same time.
- X ⁇ is a counter ion.
- X - is preferably chloride ion, ethyl sulfate ion, or acetate ion.
- Examples of the compound represented by formula (5) include monostearyltrimethylammonium chloride, monostearyldimethylmonoethylammonium ethyl sulfate, mono(stearyl)monomethyldi(polyethylene glycol)ammonium chloride, and di(tallow alkyl)dimethylammonium chloride. , dimethylmonococonutamine acetate.
- Cationic surfactants may be used alone or in combination of two or more.
- Amphoteric surfactants include, for example, surfactant s8 described in surfactants containing no fluorine atoms in paragraphs [0101] to [0102] of JP-A- 2009-215370 . Amphoteric surfactants may be used singly or in combination of two or more.
- the above-mentioned surfactants are preferred because they have little adverse effect on the water and oil repellency of articles treated with the present composition and because the dispersion containing the polymer (A) has excellent dispersion stability.
- a combination of the agent s1, the surfactant s2 , the surfactant s3 , and the surfactant s7 is preferable, and the surfactant s7 is a compound represented by formula ( 5 ). A combination is more preferred.
- Other components include, for example, fluorine-containing polymers other than the polymer (A), non-fluorine polymers, non-fluorine water and oil repellents, water-soluble polymer resins, cross-linking agents, penetrants, colloidal silica, and quenching agents. Foaming agents, film-forming aids, insect repellents, antifungal agents, preservatives, flame retardants, antistatic agents, anti-wrinkle agents, softeners and pH adjusters.
- water-soluble polymer resins include hydrophilic polyesters and derivatives thereof, hydrophilic polyethylene glycols and derivatives thereof, and hydrophilic polyamines and derivatives thereof.
- Penetrants include, for example, Dispanol (registered trademark) series manufactured by NOF Corporation, a nonionic surfactant having a symmetrical structure with an acetylene group in the center.
- colloidal silica examples include the Snowtex (registered trademark) series manufactured by Nissan Chemical Industries, Ltd. and the Adelite series manufactured by ADEKA.
- antifoaming agents include Olphine (registered trademark) series manufactured by Nisshin Chemical Co., Ltd. and FS Antifoam series manufactured by Dow Corning Toray Co., Ltd.
- antistatic agent examples include DIRECTOR series manufactured by Meisei Chemical Co., Ltd.
- softening agents include silicone emulsions and polyethylene wax emulsions.
- pH adjusters include diethanolamine, triethanolamine, acetic acid, and citric acid.
- cross-linking agents are isocyanate-based cross-linking agents, methylol-based cross-linking agents, carbodiimide-based cross-linking agents, and oxazoline-based cross-linking agents.
- the isocyanate-based cross-linking agent includes, for example, an aromatic block-type isocyanate-based cross-linking agent, an aliphatic block-type isocyanate-based cross-linking agent, an aromatic unblocked-type isocyanate-based cross-linking agent, and an aliphatic unblocked-type isocyanate-based cross-linking agent.
- the isocyanate cross-linking agent is preferably a water-dispersible type emulsified with a surfactant or a self-water-dispersible type having a hydrophilic group.
- methylol-based cross-linking agents include condensates or precondensates of urea or melamine and formaldehyde, methylol-dihydroxyethylene-urea and derivatives thereof, methylol-ethylene-urea, methylol-propylene-urea, methylol-triazone, and dicyandiamide.
- a carbodiimide-based cross-linking agent is a polymer having carbodiimide groups in the molecule.
- a carbodiimide-based cross-linking agent exhibits excellent reactivity with carboxy groups, amino groups, and active hydrogen groups of articles and the like.
- An oxazoline-based cross-linking agent is a polymer having an oxazoline group in its molecule. The oxazoline-based cross-linking agent exhibits excellent reactivity with the carboxyl groups of articles and the like.
- cross-linking agents include, for example, divinyl sulfone, polyamide and its cationic derivatives, polyamine and its cationic derivatives, epoxy derivatives such as diglycidylglycerol, (epoxy-2,3-propyl)trimethylammonium chloride, N-methyl-N -(epoxy-2,3-propyl)halide derivatives such as morpholinium chloride, pyridinium salt of chloromethyl ether of ethylene glycol, polyamine-polyamide-epichlorohydrin resin, polyvinyl alcohol or its derivative, polyacrylamide or its derivative, glyoxal resin anti-wrinkle agents.
- epoxy derivatives such as diglycidylglycerol, (epoxy-2,3-propyl)trimethylammonium chloride, N-methyl-N -(epoxy-2,3-propyl)halide derivatives such as morpholinium chloride, pyridinium salt of chloromethyl ether of ethylene
- the present composition when the present composition contains a methylol-based cross-linking agent or a glyoxal resin-based anti-wrinkle agent, the present composition preferably contains a catalyst as an additive.
- Preferred catalysts include, for example, inorganic amine salts and organic amine salts.
- Inorganic amine salts include, for example, ammonium chloride.
- Examples of organic amine salts include aminoalcohol hydrochloride and semicarbazide hydrochloride.
- Aminoalcohol hydrochlorides include, for example, monoethanolamine hydrochloride, diethanolamine hydrochloride, triethanolamine hydrochloride, and 2-amino-2-methylpropanol hydrochloride.
- the content of the aqueous medium can be appropriately selected according to the desired solid content concentration of the present composition.
- the solid content concentration of the present composition is preferably 25 to 70% by mass, more preferably 30 to 60% by mass immediately after production of the present composition.
- the solid content concentration of the composition is preferably 0.1 to 7% by mass, more preferably 0.2 to 5% by mass when the composition is used for treating articles.
- the content of the surfactant in the composition is preferably 1 to 6 parts by mass per 100 parts by mass of the polymer (A) immediately after production of the composition.
- the content of the cross-linking agent in the present composition is preferably 1 to 50 parts by mass with respect to 100 parts by mass of the polymer (A) when the composition is used for treating articles.
- the polymer (A) has units (a), units (b), and units (c), and the sum of these units with respect to all units constituting the polymer (A) is 95 mol % or more. Therefore, according to the present composition, articles treated with the present composition are excellent in water repellency. In addition, its water repellency is not easily reduced by washing and is excellent in washing durability. In addition, since the unit (b) constituting the polymer (A) does not have an ester bond, the water- and oil-repellency of the article treated with the present composition is less likely to deteriorate under alkaline conditions.
- the present composition can be produced, for example, by a method of polymerizing monomer components containing monomer (a), monomer (b) and monomer (c) in the presence of a polymerization initiator.
- the monomer component may further contain a monomer (d).
- the details and preferred embodiments of the monomer (a), the monomer (b), the monomer (c) and the monomer (d) are as described in the section [Water and oil repellent composition]. .
- Monomer (a), monomer (b), monomer (c), and monomer (d) can each be produced by various production methods. Commercially available monomers can be used.
- the total ratio of the monomer (a), the monomer (b) and the monomer (c) to the monomer component is 95 mol% or more, preferably 96 mol% or more, and 100 mol% There may be. If the total ratio of the monomer (a), the monomer (b) and the monomer (c) is at least the above lower limit, the water repellency and washing durability of the article treated with the present composition Excellent for When the monomer component contains the monomer (d), the total ratio of the monomer (a), the monomer (b) and the monomer (c) to the monomer component is 99.9 mol % or less is preferable, and 99.5 mol % or less is more preferable.
- the ratio of the monomer (a) to the monomer component is preferably 1 mol% or more, more preferably 3 mol% or more.
- the ratio of the monomer (a) to the monomer component is preferably 12 mol % or less, more preferably 10 mol % or less, and even more preferably 8 mol % or less. If the ratio of the monomer (a) is at least the above lower limit, the receding contact angle is improved, and the water repellency of the article treated with the present composition is more excellent. If the proportion of the monomer (a) is not more than the above upper limit, the obtained polymer (A) can sufficiently contain the units (b), and the water repellency of the article treated with the present composition will be more excellent.
- the total ratio of the monomer (b) and the monomer (c) to the monomer component is preferably 85 mol% or more, more preferably 90 mol% or more.
- the total ratio of the monomer (b) and the monomer (c) to the monomer component is preferably 99 mol % or less, more preferably 97 mol % or less.
- the articles treated with the present composition have more excellent water repellency and oil repellency. If the total ratio of the monomer (b) and the monomer (c) is equal to or less than the above upper limit, the monomer (a) can be sufficiently contained, and the water repellency of the article treated with the present composition is better.
- the molar ratio of monomer (b)/monomer (c) is preferably 0.20 or more, more preferably 0.30 or more, and even more preferably 0.49 or more.
- the molar ratio of monomer (b)/monomer (c) is preferably 0.80 or less, more preferably 0.70 or less.
- the water repellency of articles treated with the present composition is more excellent.
- the molar ratio of monomer (b)/monomer (c) is equal to or less than the above upper limit, polymerization of the monomer components readily proceeds during the production of polymer (A).
- the molar ratio of monomer (c2)/monomer (c1) is preferably 0 to 4.0, more preferably 0.01 to 3.5, and 0.05 to 3. 0.0 is more preferred.
- the ratio of the monomer (d) to the monomer component is 5 mol % or less, preferably 4 mol % or less.
- the monomer component may be free of monomer (d).
- the ratio of the monomer (d) to the monomer component is preferably 0.5 mol% or more, more preferably 1.0 mol% or more.
- polymerization initiators examples include thermal polymerization initiators, photopolymerization initiators, radiation polymerization initiators, radical polymerization initiators, and ionic polymerization initiators.
- radical polymerization initiators are preferred.
- an azo polymerization initiator, a peroxide polymerization initiator, and a redox polymerization initiator are used depending on the polymerization temperature.
- an azo compound is preferable, and a salt of an azo compound is more preferable.
- the polymerization temperature is preferably 20 to 150°C.
- the amount of the polymerization initiator to be added is preferably 0.1 to 5 parts by mass, more preferably 0.1 to 3 parts by mass, per 100 parts by mass of the monomer component.
- a molecular weight modifier may be used when polymerizing the monomer component.
- Preferred molecular weight modifiers include, for example, aromatic compounds, mercaptoalcohols, mercaptocarboxylic acids, and alkylmercaptans, and more preferred are mercaptocarboxylic acids and alkylmercaptans.
- Molecular weight modifiers include, for example, mercaptoethanol, mercaptopropionic acid, n-octylmercaptan, n-dodecylmercaptan, tert-dodecylmercaptan, stearylmercaptan, ⁇ -methylstyrene dimer (CH 2 ⁇ C(Ph)CH 2 C( CH 3 ) 2 Ph).
- Ph is a phenyl group.
- the amount of the molecular weight modifier to be added is preferably 5 parts by mass or less, more preferably 2 parts by mass or less, and may be 0 parts by mass with respect to 100
- Examples of methods for polymerizing the monomer components include emulsion polymerization, solution polymerization, suspension polymerization, bulk polymerization, and the like. Among them, the emulsion polymerization method is preferable.
- the conversion rate of the monomer component to the polymer (A) is improved without using a solvent other than an aqueous medium, and the polymer (A) is produced.
- the molecular weight (Mn, Mw) can be increased.
- the monomer component is polymerized in an emulsion containing an aqueous medium, a monomer component and a polymerization initiator.
- the emulsion may contain a surfactant, if desired.
- the aqueous medium and the surfactant include the same compounds as those exemplified in the section [Water and oil repellent composition].
- the emulsion can be prepared by mixing an aqueous medium, monomer components, and optionally a surfactant, dispersing the mixture using a homogenizer, a high-pressure emulsifier, or the like, and then adding a polymerization initiator.
- concentration of the monomer component in the emulsion is preferably 20-60% by mass, more preferably 30-50% by mass. If the concentration of the monomer component in the emulsion is within the above range, the conversion rate of the monomer component to the polymer (A) can be improved during polymerization of the monomer component, and the polymer ( The molecular weight of A) can be made sufficiently high.
- the content of the surfactant in the emulsion is preferably 1 to 6 parts by mass with respect to 100 parts by mass of the monomer component.
- the content of the surfactant is at least the above lower limit, the dispersion stability of the emulsion is excellent. If the content of the surfactant is at most the above upper limit, the adverse effect of the surfactant on the water and oil repellency of the article treated with the composition containing the polymer (A) can be reduced.
- the conversion rate of the monomer component to the polymer (A) at the end of polymerization is preferably 80% or more, more preferably 90% or more.
- the molecular weight of the polymer (A) is also increased, and the water and oil repellency is also improved.
- by increasing the conversion rate deterioration in performance due to residual monomers is suppressed, and the amount of fluorine atoms contained in the polymer (A) is increased, resulting in good water and oil repellency.
- a dispersion of the polymer (A) is obtained by polymerizing the monomer components in the emulsion.
- the polymer (A) is dispersed as emulsified particles in an aqueous medium.
- the average particle size of emulsified particles of the polymer (A) is preferably 20 to 200 nm, more preferably 40 to 190 nm, even more preferably 60 to 180 nm.
- the water repellency of the article treated with the emulsified particles of the polymer (A) and the dispersibility of the emulsified particles of the polymer (A) are more excellent.
- the emulsified particles of the polymer (A) are more stable against mechanical shear.
- the average particle diameter of the emulsified particles of the polymer (A) is the cumulant obtained from the autocorrelation function obtained by the dynamic light scattering method for a sample obtained by diluting the dispersion of the polymer (A) with water to a solid content concentration of 1% by mass. Calculated by legal analysis.
- the dispersion of the polymer (A) obtained by polymerizing the monomer components in the emulsified liquid may be used as it is for the present composition, or it may be diluted with an aqueous medium to adjust the solid content concentration and then added to the present composition. It can be a thing. Other ingredients may be added to the composition.
- the monomer (a), the monomer (b), and the monomer (c) are included, and the ratio of their total to the monomer component is 95 mol % or more. Therefore, it is possible to produce a water- and oil-repellent composition that can produce articles that are excellent in water repellency and washing durability of the water repellency. In addition, since the monomer (b) does not have an ester bond, the water and oil repellency of the article treated with the present composition is less likely to deteriorate under alkaline conditions.
- An article of the invention is an article treated with the composition.
- Articles treated with the present composition include, for example, fibers, fabrics, products comprising fibers or fabrics, glass, paper, wood, leather, artificial leather, stone, concrete, ceramics, metals, metal oxides, resin moldings products, and porous products.
- fabrics include woven fabrics, knitted fabrics, non-woven fabrics, and raised fabrics.
- Products comprising fibers or fabrics include, for example, ropes, ski wear, rainwear, coats, blousons, windbreakers, down jackets, sportswear, work clothes, uniforms, clothing such as protective clothing, backpacks, bags, and tents. is mentioned.
- Porous products include, for example, filters.
- Materials for porous products include, for example, polypropylene, polyethylene terephthalate, polytetrafluoroethylene, glass fiber, cellulose nanofiber, carbon fiber, and cellulose acetate.
- the articles to be treated are preferably fibers, fabrics, products comprising fibers or fabrics.
- the type of fiber is not particularly limited, but for example, natural fibers such as cotton, wool, silk, and cellulose; synthetic fibers such as polyester, polyamide, acrylic, and aramid; regenerated fibers such as rayon, viscose rayon, and lyocell; Blended fibers of fibers and synthetic fibers; and blended fibers of natural fibers and regenerated fibers.
- types of fibers in nonwoven fabrics include polyethylene, polypropylene, polyolefin, polyethylene terephthalate, polytetrafluoroethylene, rayon, and glass.
- the thickness of the fabric is not particularly limited, it is usually 0.01 to 5 mm.
- the treatment method is not particularly limited as long as the water and oil repellent composition can adhere to the article to be treated.
- the article is treated with the present dispersion by various methods such as coating, impregnation, immersion, spraying, brushing, padding, size press, roller, etc., followed by drying. is mentioned.
- the amount of solids in the water and oil repellent composition to be adhered to the article to be treated is not particularly limited.
- in the case of fabric it is preferably 0.001 to 0.05 g per 1 g of fabric. Drying may be performed at normal temperature or by heating, preferably by heating. When heating, the heating temperature is preferably 40 to 200°C.
- the water and oil repellent composition contains a cross-linking agent, it is preferable to cure by heating to a temperature higher than the cross-linking temperature of the cross-linking agent, if necessary.
- the composition of the polymer (proportion of each monomer unit to all units constituting the polymer) was calculated based on the charged amount of each monomer. After removing the surfactant and solvent from the polymer dispersion obtained in each example, by calculating the ratio of each monomer in the polymer by 1 H-NMR, it was confirmed that it was almost the same as the charged composition. did. Alternatively, by gas chromatography of the polymer dispersion obtained in each example, each unreacted monomer is quantified, the reaction rate of each monomer is calculated, and each unit relative to all units constituting the polymer is measured. By calculating the proportion of the polymer unit, it was confirmed that the composition was almost the same as the charged composition.
- conversion rate From the theoretical value of the solid content concentration of the polymer dispersion calculated from the charged amount of the raw materials and the measured value of the solid content concentration of the polymer dispersion, the polymer of the monomer component is obtained by multiplying the actual value/theoretical value x 100. The conversion rate to was calculated
- the receding contact angle of water on the surface of the prepared article was measured by the Whilhelmy method using a Dataphysics surface tensiometer (DCAT11). At a constant speed, with respect to the water surface of 200 mL of pure water with a water temperature of 20 ° C. ⁇ 0.2 ° C. in a glass container, the longitudinal direction of the article for receding contact angle evaluation prepared by the method described later is perpendicular. The receding contact angle was measured by computer analysis of the force applied when immersed in water and when pulled up.
- DCAT11 Dataphysics surface tensiometer
- CTFE chlorotrifluoroethylene.
- C4OLF CH 2 ⁇ CH—(CF 2 ) 3 CF 3 (manufactured by Tokyo Chemical Industry Co., Ltd.).
- StV vinyl stearate (manufactured by Tokyo Chemical Industry Co., Ltd.).
- PiV vinyl pivalate (manufactured by Tokyo Chemical Industry Co., Ltd.).
- EGMAE Ethylene glycol monoallyl ether
- E420 Polyoxyethylene oleyl ether (approximately 12.8 mol adduct of ethylene oxide, product name of Kao Corporation, Emulgen 420).
- E430 10% by mass aqueous solution of polyoxyethylene oleyl ether (adduct of ethylene oxide about 30 mol, product name of Kao Corporation, Emulgen 430).
- P204 Ethylene oxide/propylene oxide polymer (average molecular weight: 3330, containing 40% by mass of ethylene oxide, product name of NOF Corporation, Pronon #204). However, in Example 14, P204 was diluted with water to adjust the final solid content concentration to 10% by mass, and this was used.
- LQ1863 63% by weight water and isopropyl alcohol solution of alkyl chloride (carbon number: 16-18) trimethylammonium (Lion Specialty Chemicals product name, Lipocard 18-63).
- SFY485 Surfynol 485 (acetylene glycol ethylene oxide adduct (ethylene oxide addition mole number 30 mol, product name of Nissin Chemical Industry Co., Ltd., Surfynol 485).
- Examples 1 to 5 (Production of polymer dispersion)
- the monomers shown in Table 1 excluding AcV and CTFE
- a surfactant and a medium were added, heated at 55 ° C. for 30 minutes, and then homomixed (manufactured by Nippon Seiki Seisakusho Co., Ltd., bio Mixer) was used to obtain a mixed liquid. While the resulting mixture was kept at 55° C., it was pre-emulsified at 10 MPa using a high-pressure emulsifier (Minilab, manufactured by APV Ranier) and then treated at 40 MPa to obtain an emulsion. The resulting emulsion was placed in a stainless steel reactor and cooled to below 30°C.
- a polymerization initiator shown in Table 1 was added to this, and after the gas phase was replaced with nitrogen, AcV and CTFE in the amounts shown in Table 1 were introduced and polymerized at 55°C for 24 hours with stirring to obtain a dispersion containing a polymer.
- Table 1 shows the conversion rate of monomer to polymer, the solid content concentration of the dispersion, and the Mn and Mw of the polymer in the dispersion.
- the charged amount (g) of the surfactant and the polymerization initiator is the total amount including the mass of the medium. The same applies to the following.
- Table 3 shows the monomer composition, a+b+c, b+c, b/c.
- a+b+c is the total ratio (mol %) of the monomer (a), the monomer (b) and the monomer (c) to the monomer component.
- b+c is the total ratio (mol %) of the monomer (b) and the monomer (c) to the monomer component.
- b/c is the molar ratio of monomer (b)/monomer (c). The same applies to the following.
- the coating was applied by reciprocating 3 times at a speed of 1.0 mm/sec, and dried at 150°C for 10 minutes to obtain an article for receding contact angle evaluation.
- the receding contact angle of the produced article was evaluated by the evaluation method described above. Table 3 shows the results.
- Example 6 to 14 (Production of polymer dispersion)
- the monomers shown in Table 2 excluding AcV
- a surfactant and a medium are added, heated at 55 ° C. for 30 minutes, and then a homomixer (manufactured by Nippon Seiki Seisakusho Co., Ltd., biomixer). to obtain a mixture.
- a homomixer manufactured by Nippon Seiki Seisakusho Co., Ltd., biomixer
- the resulting mixture was kept at 55° C., it was pre-emulsified at 10 MPa using a high-pressure emulsifier (Minilab, manufactured by APV Ranier) and then treated at 40 MPa to obtain an emulsion.
- the resulting emulsion was placed in a stainless steel reactor and cooled to below 30°C.
- a polymerization initiator shown in Table 2 was added to this, and after replacing the gas phase with nitrogen, AcV in the amount shown in Table 2 was introduced and polymerized at 55° C. for 24 hours with stirring to obtain a dispersion containing a polymer. rice field.
- Table 2 shows the conversion rate of monomer to polymer, the solid content concentration of the dispersion, and the Mn and Mw of the polymer in the dispersion.
- Table 4 shows the monomer compositions, a+b+c, b+c and b/c.
- the articles using the water and oil repellent compositions of Examples 1-5 had a larger receding contact angle of water than those of Examples 6-14 and were excellent in water repellency.
- Example 15 (Production of polymer dispersion) A dispersion liquid containing a polymer was obtained in the same manner as in Examples 1 to 5 except that the types and amounts of monomers charged were as shown in Table 5.
- Table 5 shows the conversion rate of monomer to polymer, the solid content concentration of the dispersion, and the Mn and Mw of the polymer in the dispersion.
- Table 6 shows the monomer compositions, a+b+c, b+c and b/c.
- Example 16 (Production of polymer dispersion) Dispersions containing polymers were obtained in the same manner as in Examples 6 to 14, except that the types and amounts of monomers charged were as shown in Table 5.
- Table 5 shows the conversion rate of monomer to polymer, the solid content concentration of the dispersion, and the Mn and Mw of the polymer in the dispersion.
- Table 6 shows the monomer compositions, a+b+c, b+c and b/c.
- Example 15 The test cloth using the water and oil repellent composition of Example 15 was superior to Example 16 in both initial water repellency (Initial) and water repellency after washing (HL20).
- an article having excellent water repellency can be obtained.
- the method for producing a water- and oil-repellent composition according to one aspect of the present invention it is possible to produce a water- and oil-repellent composition that gives articles having excellent water repellency.
- An article according to one aspect of the present invention is excellent in water repellency.
Abstract
Description
[1]下記単量体(a)に基づく単位と下記単量体(b)に基づく単位と下記単量体(c)に基づく単位とを有する重合体を含み;前記重合体を構成する全単位に対する、前記単量体(a)に基づく単位と前記単量体(b)に基づく単位と前記単量体(c)に基づく単位との合計の割合が、95モル%以上である、撥水撥油剤組成物。
単量体(a):下式(1)で表される化合物。
CR1R2=CR3R4 式(1)
ただし、R1はF、Cl又はHであり、R2はF又はHであり、R3はF又はHであり、R4はF、H又はCF3であり、R1~R4のうちの少なくとも1つはFである。
単量体(b):下式(2)で表される化合物。
CH2=CH-Rf 式(2)
ただし、Rfは炭素数1~6のペルフルオロアルキル基である。
単量体(c):カルボン酸ビニルエステル。
[2]前記重合体が、下記単量体(d)に基づく単位をさらに有する、前記[1]の撥水撥油剤組成物。
単量体(d):前記単量体(a)、前記単量体(b)及び前記単量体(c)と共重合可能な他の単量体。
[3]前記重合体を構成する全単位に対する、前記単量体(b)に基づく単位と前記単量体(c)に基づく単位との合計の割合が、85モル%以上99モル%以下である、前記[1]又は[2]の撥水撥油剤組成物。
[4]前記単量体(b)に基づく単位/前記単量体(c)に基づく単位のモル比が、0.20以上0.80以下である、前記[1]~[3]のいずれかの撥水撥油剤組成物。
[5]前記重合体を構成する全単位に対する前記単量体(a)に基づく単位の割合が、1モル%以上12モル%以下である、前記[1]~[4]のいずれかの撥水撥油剤組成物。
[6]前記単量体(a)が、テトラフルオロエチレン、トリフルオロエチレン、クロロトリフルオロエチレン及びヘキサフルオロプロピレンからなる群から選択される少なくとも1種である、前記[1]~[5]のいずれかの撥水撥油剤組成物。
[7]単量体成分を重合開始剤の存在下で重合する、撥水撥油剤組成物の製造方法であり;前記単量体成分が、下記単量体(a)と下記単量体(b)と下記単量体(c)とを含み;前記単量体成分に対する、前記単量体(a)と前記単量体(b)と前記単量体(c)との合計の割合が、95モル%以上である、撥水撥油剤組成物の製造方法。
単量体(a):下式(1)で表される化合物。
CR1R2=CR3R4 式(1)
ただし、R1は、F、Cl又はHであり、R2は、F又はHであり、R3は、F又はHであり、R4は、F、H又はCF3であり、R1~R4のうちの少なくとも1つはFである。
単量体(b):下式(2)で表される化合物。
CH2=CH-Rf 式(2)
ただし、Rfは、炭素数1~6のペルフルオロアルキル基である。
単量体(c):カルボン酸ビニルエステル。
[8]前記単量体成分が、下記単量体(d)をさらに含む、前記[7]の撥水撥油剤組成物の製造方法。
単量体(d):前記単量体(a)、前記単量体(b)及び前記単量体(c)と共重合可能な他の単量体。
[9]前記単量体成分に対する、前記単量体(b)と前記単量体(c)との合計の割合が、85モル%以上99モル%以下である、前記[7]又は[8]の撥水撥油剤組成物の製造方法。
[10]前記単量体(b)/前記単量体(c)のモル比が、0.20以上0.80以下である、前記[7]~[9]のいずれかの撥水撥油剤組成物の製造方法。
[11]前記単量体成分に対する前記単量体(a)の割合が、1モル%以上12モル%以下である、前記[7]~[10]のいずれかの撥水撥油剤組成物の製造方法。
[12]前記[1]~[6]のいずれかの撥水撥油剤組成物を用いて処理された、物品。
本発明の撥水撥油剤組成物の製造方法によれば、撥水性に優れる物品が得られる撥水撥油剤組成物を製造できる。
本発明の物品は、撥水性に優れる。
「単量体に基づく単位」は、単量体1分子が重合して直接形成される原子団と、該原子団の一部を化学変換して得られる原子団との総称である。
「(メタ)アクリレート」は、アクリレート及びメタクリレートの総称である。同様に、「(メタ)アクリロイルオキシ基」は、アクリロイルオキシ基及びメタアクリロイルオキシ基の総称である。
重合体の数平均分子量(以下、「Mn」とも記す。)及び質量平均分子量(以下、「Mw」とも記す。)は、標準ポリメチルメタクリレート試料を用いて作成した検量線を用い、ゲルパーミエーションクロマトグラフィ(以下、「GPC」とも記す。)で測定することによって得られるポリメチルメタクリレート換算分子量である。
固形分濃度は、加熱前の試料の質量を試料質量、120℃の対流式乾燥機にて試料を4時間乾燥した後の質量を固形分質量として、(固形分質量/試料質量)×100によって計算される。
数値範囲を示す「~」は、その前後に記載された数値を下限値及び上限値として含むことを意味する。
本明細書に開示の割合、含有量、比、種々の物性値は、その下限値及び上限値を任意に組み合わせて新たな数値範囲とすることができる。
本発明の撥水撥油剤組成物(以下、「本組成物」とも記す。)は、特定の重合体(以下、「重合体(A)」とも記す。)を含む。
本組成物は、典型的には、重合体(A)と媒体とを含む。媒体としては、例えば水性媒体、有機溶剤が挙げられる。媒体としては、水性媒体が好ましい。
本組成物は、必要に応じて、界面活性剤を含んでいてもよい。
本組成物は、必要に応じて、他の成分を含んでいてもよい。
本組成物は、重合体(A)と水性媒体と界面活性剤とを含む含フッ素重合体分散液であることが好ましい。該含フッ素重合体分散液は、後述する製造方法によって得られた分散液を包含する。また、該含フッ素重合体分散液は、物品を処理するためにさらに任意の水性媒体に希釈された分散液をも包含する。
本組成物は、重合体(A)と有機溶剤とを含み、界面活性剤を含まない含フッ素重合体溶液であってもよい。
重合体(A)は、単量体(a)に基づく単位(以下、「単位(a)」とも記す。)と、単量体(b)に基づく単位(以下、「単位(b)」とも記す。)と、単量体(c)に基づく単位(以下、「単位(c)」とも記す。)を有する。
重合体(A)は、必要に応じて、単量体(d)に基づく単位(以下、「単位(d)」とも記す。)をさらに有していてもよい。
CR1R2=CR3R4 式(1)
ただし、R1はF、Cl又はHであり、R2はF又はHであり、R3はF又はHであり、R4はF、H又はCF3であり、R1~R4のうちの少なくとも1つはFである。
単量体(b):下式(2)で表される化合物。
CH2=CH-Rf 式(2)
ただし、Rfは炭素数1~6のペルフルオロアルキル基である。
単量体(c):カルボン酸ビニルエステル。
単量体(d):単量体(a)、単量体(b)及び単量体(c)と共重合可能な他の単量体。
単量体(a)としては、重合体(A)への転化率が良好になりやすい点、原材料の入手性、及び取扱いの容易性の点から、テトラフルオロエチレン、トリフルオロエチレン、CTFE及びヘキサフルオロプロピレンからなる群から選択される少なくとも1種が好ましく、本組成物と本組成物で処理される物品との密着性が良好な点から、CTFEが特に好ましい。
単量体(a)は1種を単独で用いてもよく、2種以上を併用してもよい。
Rfは、直鎖状であることが好ましい。
単量体(b)としては、CH2=CH-CF3、CH2=CH-CF2CF3、CH2=CH-CF(CF3)2、CH2=CH-(CF2)3CF3、CH2=CH-(CF2)5CF3が好ましく、CH2=CH-CF3、CH2=CH-CF2CF3、CH2=CH-(CF2)3CF3、CH2=CH-(CF2)5CF3がより好ましく、CH2=CH-(CF2)3CF3、CH2=CH-(CF2)5CF3がさらに好ましい。
単量体(b)は1種を単独で用いてもよく、2種以上を併用してもよい。
CH2=CH-O-C(=O)R5 式(3)
ただし、R5は、アルキル基、シクロアルキル基、アリール基又は複素環基である。
R5としては、アルキル基が好ましい。アルキル基の炭素数は、単量体(a)及び単量体(b)と共重合しやすい点、本組成物と本組成物で処理される物品との密着性が良好である点で、1~30が好ましく、1~22がより好ましく、1~18がさらに好ましく、1~8が特に好ましい。
シクロアルキル基の環を形成する炭素数は、例えば3~8である。
R5において、アルキル基、シクロアルキル基、アリール基、複素環基はそれぞれ、反応性基、ハロゲン原子を有していてもよい。また、アルキル基、シクロアルキル基、アリール基、複素環基はそれぞれ、結合末端以外の部分にエーテル性酸素原子、カルボニルオキシ基、カルボニル基等の連結基を有していてもよい。さらに、アルキル基、シクロアルキル基、アリール基、複素環基はそれぞれ、重合性炭素-炭素二重結合を有していてもよい。反応性基については後で詳しく説明する。
R5は重合性炭素-炭素二重結合を有しないことが好ましい。
単量体(c)は1種を単独で用いてもよく、2種以上を併用してもよい。
例えば、本組成物と本組成物で処理される物品との撥水性のさらなる向上を図るためには、単量体(c)としては、炭素数12以上のアルキル基を有するカルボン酸ビニルエステル(以下、「単量体(c2)」とも記す。)が好ましい。
2種以上の単量体(c)を併用する場合には、2種以上の単量体(c1)同士を併用してもよく、2種以上の単量体(c2)同士を併用してもよく、単量体(c1)と単量体(c2)を併用してもよい。2種以上の単量体(c1)の併用が、後退接触角の向上に寄与することがある。
単量体(c1)としては、例えば、酢酸ビニル、プロピオン酸ビニル、酪酸ビニル、ピバル酸ビニル、カプロン酸ビニルが挙げられる。
単量体(c1)としては、酢酸ビニルが好ましい。
単量体(c1)は1種を単独で用いてもよく、2種以上を併用してもよい。
単量体(c2)としては、例えば、ミリスチン酸ビニル、パルミチン酸ビニル、ステアリン酸ビニル、オレイン酸ビニルが挙げられる。
単量体(c2)としては、ミリスチン酸ビニル、パルミチン酸ビニル、ステアリン酸ビニルが好ましく、ステアリン酸ビニルがより好ましい。
単量体(c2)は1種を単独で用いてもよく、2種以上を併用してもよい。
反応性基は、他の官能基との反応により架橋構造を形成するものであればよい。ここで他の官能基とは、例えば、単量体(d)とは別の単量体の反応性基、本組成物に任意に含まれる架橋剤の官能基、本組成物で処理される物品の表面に存在する官能基である。
反応性基としては、例えば、ヒドロキシ基、エポキシ基、アミノ基、モノアルキルアミノ基、ジアルキルアミノ基、カルボキシ基、イソシアネート基、オキサゾリン基、カルボジイミド基が挙げられる。モノアルキルアミノ基及びジアルキルアミノ基におけるアルキル基の炭素数は、例えば1~4である。
反応性基としては、入手性、及び取扱い性に優れる点から、ヒドロキシ基、エポキシ基、アミノ基が好ましく、ヒドロキシ基がより好ましい。
架橋性単量体は、重合性の炭素-炭素二重結合を1つ有する単官能単量体でもよく、重合性の炭素-炭素二重結合を2つ以上有する多官能単量体でもよい。重合性に優れる点から、架橋性単量体としては単官能単量体が好ましい。
アリルエステルとしては、例えば、アジピン酸ジアリルが挙げられる。
ビニルエーテルとしては、例えば、下式(4-1)で表される化合物が挙げられる。アリルエーテルとしては、例えば、下式(4-2)で表される化合物が挙げられる。(メタ)アクリレートとしては、例えば、下式(4-3)で表される化合物が挙げられる。
CH2=CH-O-Z 式(4-1)
CH2=CHCH2-O-Z 式(4-2)
CH2=C(R)C(=O)O-Z 式(4-3)
ただし、Zは、反応性基を有する有機基である。Rは水素原子又はメチル基である。
脂肪族炭化水素基としては、例えば、アルキル基、アルキル基の炭素原子間に酸素原子を有する基、アルケニル基、アルケニル基の炭素原子間に酸素原子を有する基、シクロアルキル基が挙げられる。アルキル基及びアルケニル基の炭素数は、例えば1~6である。シクロアルキル基の環を形成する炭素数は、例えば3~8である。
ヘテロ原子としては、例えば、窒素原子、酸素原子、硫黄原子が挙げられる。ヘテロ原子を有する環状の基としては、飽和であるものが好ましく、3~9員環が好ましく、3~6員環がさらに好ましい。
Zとしては、ヒドロキシアルキル基が好ましい。ヒドロキシアルキル基の炭素数は、2~6が好ましい。
ヒドロキシ基を有するビニルエーテルとしては、例えば、2-ヒドロキシエチルビニルエーテル、3-ヒドロキシプロピルビニルエーテル、4-ヒドロキシブチルビニルエーテル、ジエチレングリコールモノビニルエーテル、シクロヘキサンジメタノールモノビニルエーテルが挙げられる。
ヒドロキシ基を有するアリルエーテルとしては、例えば、エチレングリコールモノアリルエーテル、ジエチレングリコールアリルエーテル、グリセリンモノアリルエーテル、ペンタエリスリトールトリアリルエーテル、トリメチロールプロパンジアリルエーテルが挙げられる。
ヒドロキシアルキル(メタ)アクリレートとしては、例えば、2-ヒドロキシエチル(メタ)アクリレート、3-ヒドロキシプロピル(メタ)アクリレート、4-ヒドロキシブチル(メタ)アクリレート、ポリエチレングリコール(メタ)アクリレートが挙げられる。
なかでも、ヒドロキシ基を有するビニルエーテル、ヒドロキシ基を有するアリルエーテルが好ましく、4-ヒドロキシブチルビニルエーテル、ジエチレングリコールモノビニルエーテル、シクロヘキサンジメタノールモノビニルエーテル、エチレングリコールモノアリルエーテルがより好ましい。
架橋性単量体は1種を単独で用いてもよく、2種以上を併用してもよい。
ハロゲン化オレフィン誘導体としては、例えば、ペルフルオロ(アルキルビニルエーテル)が挙げられる。ペルフルオロ(アルキルビニルエーテル)としては、例えば、CF2=CFOCF3、CF2=CFOCF2CF3、CF2=CFOCF2CF2CF3、CF2=CFOCF2CF2CF2CF3、CF2=CFOCF2CF(CF3)OCF2CF2CF3が挙げられる。
ビニルエーテル(ただし、架橋性単量体を除く。)としては、例えば、メチルビニルエーテル、エチルビニルエーテル、n-ブチルビニルエーテル、iso-ブチルビニルエーテル、tert-ブチルビニルエーテル、ステアリルビニルエーテル、1-クロロメチルビニルエーテル、2-クロロエチルビニルエーテル、クロロプロピルビニルエーテル、シクロヘキシルビニルエーテルが挙げられる。
アリルエーテル(ただし、架橋性単量体を除く。)としては、例えば、アリルエチルエーテル、ジアリルエーテル、1,3-ジアリルオキシ-2-プロパノールが挙げられる。
オレフィンとしては、例えば、エチレン、プロピレンが挙げられる。
重合体(A)が単位(d)を含む場合、重合体(A)を構成する全単位に対する単位(a)と単位(b)と単位(c)との合計の割合は、99.9モル%以下が好ましく、99.5モル%以下がより好ましい。
重合体(A)が単位(d)をさらに有する場合、重合体(A)を構成する全単位に対する単位(d)の割合は、0.5モル%以上が好ましく、1.0モル%以上がより好ましい。
重合体(A)を構成する全単位は、単位(a)、単位(b)、単位(c)及び単位(d)の合計である。
水性媒体としては、例えば、水、水と水溶性有機溶剤の混合物が挙げられる。
水溶性有機溶剤は、水と任意の割合で混和可能な有機溶剤である。水溶性有機溶剤としては、アルコール(ただし、エーテルアルコールを除く。)、エーテルアルコール及び非プロトン性極性溶剤からなる群から選ばれる少なくとも1種が好ましい。アルコールとしては、例えば、t-ブタノール、プロピレングリコールが挙げられる。エーテルアルコールとしては、例えば、3-メトキシメチルブタノール、ジプロピレングリコール、ジプロピレングリコールモノメチルエーテル、トリプロピレングリコールが挙げられる。非プロトン性極性溶剤としては、例えば、N,N-ジメチルホルムアミド、ジメチルスルホキシド、テトラヒドロフラン(以下、「THF」とも記す。)、アセトニトリル、アセトン、3-メトキシ-N,N-ジメチルプロパンアミド、3-ブトキシ-N,N-ジメチルプロパンアミド、3-メトキシ-3-メチル-1-ブタノール、トリエチレングリコールジメチルエーテル、テトラエチレングリコールジメチルエーテルが挙げられる。
液状媒体が水性媒体である場合の水溶性有機溶剤としては、重合体(A)と水性媒体との相溶性を向上して物品上で均一な膜をつくりやすい点から、エーテルアルコールが好ましく、ジプロピレングリコール、トリプロピレングリコール、ジプロピレングリコールモノメチルエーテルがより好ましい。
水性媒体が水と水溶性有機溶剤の混合物である場合、水溶性有機溶剤の含有量は水の100質量部に対して1~80質量部が好ましく、5~60質量部がより好ましい。
界面活性剤としては、フッ素原子を有さない界面活性剤が好ましい。
界面活性剤としては、アニオン性界面活性剤、ノニオン性界面活性剤、カチオン性界面活性剤、両性界面活性剤が挙げられる。
界面活性剤としては、重合体(A)を含む水分散液の分散安定性に優れる点から、ノニオン性界面活性剤の単独使用、アニオン性界面活性剤の単独使用、ノニオン性界面活性剤とカチオン性界面活性剤の併用、ノニオン性界面活性剤と両性界面活性剤の併用が好ましく、ノニオン性界面活性剤とカチオン性界面活性剤の併用がより好ましい。
ノニオン性界面活性剤とカチオン性界面活性剤との比(ノニオン性界面活性剤/カチオン性界面活性剤)は、100/0~40/60(質量比)が好ましく、97/3~40/60(質量比)がより好ましい。
ノニオン性界面活性剤とカチオン性界面活性剤との特定の組み合わせにおいては、重合体(A)の100質量部に対する界面活性剤の合計量を、5質量部以下にできる。よって、界面活性剤に起因する本組成物で処理された物品の撥水撥油性への影響を低減できる。
界面活性剤s1としては、ポリオキシエチレンアルキルエーテルが好ましい。
界面活性剤s2としては、アセチレングリコールエチレンオキシド付加物が好ましい。
界面活性剤s3としては、エチレンオキシドプロピレンオキシド重合物が好ましい。
ノニオン性界面活性剤は1種を単独で用いてもよく、2種以上を併用してもよい。
界面活性剤s7としては、窒素原子に結合する水素原子の1個以上が、アルキル基、アルケニル基又は末端が水酸基であるポリオキシアルキレン鎖で置換されたアンモニウム塩が好ましく、下式(5)で表される化合物がより好ましい。
[(R21)4N+]・X- 式(5)
ただし、R21は、水素原子、炭素数が1~22のアルキル基、炭素数が2~22のアルケニル基、又は末端が水酸基であるポリオキシアルキレン鎖である。4つのR21は、同一であってもよく、異なっていてもよいが、4つのR21は同時に水素原子ではない。X-は、対イオンである。
X-としては、塩素イオン、エチル硫酸イオン、酢酸イオンが好ましい。
式(5)で表される化合物としては、例えば、モノステアリルトリメチルアンモニウムクロリド、モノステアリルジメチルモノエチルアンモニウムエチル硫酸塩、モノ(ステアリル)モノメチルジ(ポリエチレングリコール)アンモニウムクロリド、ジ(牛脂アルキル)ジメチルアンモニウムクロリド、ジメチルモノココナッツアミン酢酸塩が挙げられる。
カチオン性界面活性剤は1種を単独で用いてもよく、2種以上を併用してもよい。
両性界面活性剤は1種を単独で用いてもよく、2種以上を併用してもよい。
他の成分としては、例えば、重合体(A)以外の含フッ素重合体、非フッ素系重合体、非フッ素系撥水撥油剤、水溶性高分子樹脂、架橋剤、浸透剤、コロイダルシリカ、消泡剤、造膜助剤、防虫剤、防かび剤、防腐剤、難燃剤、帯電防止剤、防しわ剤、柔軟剤、pH調整剤が挙げられる。
浸透剤としては、例えば、アセチレン基を中央に持ち左右対称の構造をした非イオン性界面活性剤、日油社製のディスパノール(登録商標)シリーズが挙げられる。
コロイダルシリカとしては、例えば、日産化学社製のスノーテックス(登録商標)シリーズ、ADEKA社製のアデライトシリーズが挙げられる。
消泡剤としては、例えば、日信化学社製のオルフィン(登録商標)シリーズ、東レダウコーニング社製のFSアンチフォームシリーズが挙げられる。
帯電防止剤としては、例えば、明成化学社製のディレクトールシリーズが挙げられる。
柔軟剤としては、例えば、シリコーンエマルジョン、ポリエチレンワックスエマルジョンが挙げられる。
pH調整剤としては、例えば、ジエタノールアミン、トリエタノールアミン、酢酸、クエン酸が挙げられる。
架橋剤としては、イソシアネート系架橋剤、メチロール系架橋剤、カルボジイミド系架橋剤、オキサゾリン系架橋剤が好ましい。
オキサゾリン系架橋剤は、分子中にオキサゾリン基を有するポリマーである。オキサゾリン系架橋剤は、物品等のカルボキシ基と優れた反応性を示す。
本組成物が水性媒体を含む場合、水性媒体の含有量は本組成物の所望の固形分濃度に応じて適宜選定できる。
本組成物の固形分濃度は、本組成物の製造直後では、25~70質量%が好ましく、30~60質量%がより好ましい。
本組成物の固形分濃度は、本組成物を物品の処理に用いる際には、0.1~7質量%が好ましく、0.2~5質量%がより好ましい。
以上説明した本組成物においては、重合体(A)が単位(a)と単位(b)と単位(c)とを有し、重合体(A)を構成する全単位に対するこれらの単位の合計の割合が95モル%以上である。そのため本組成物によれば、本組成物で処理された物品の撥水性に優れる。また、その撥水性は、洗濯によって低下しにくく洗濯耐久性に優れる。また、重合体(A)を構成する単位(b)がエステル結合を有していないため、本組成物で処理された物品がアルカリ等の条件下において撥水撥油性が低下しにくい。
本組成物は、例えば、単量体(a)と単量体(b)と単量体(c)とを含む単量体成分を、重合開始剤の存在下で重合する方法により製造できる。
単量体成分は、単量体(d)をさらに含んでいてもよい。
単量体(a)、単量体(b)、単量体(c)、単量体(d)の詳細及び好ましい態様はそれぞれ〔撥水撥油剤組成物〕の項で説明したとおりである。単量体(a)、単量体(b)、単量体(c)、単量体(d)はそれぞれ、種々の製造方法により製造したものを使用できる。市販されている単量体については市販品を使用できる。
単量体成分が単量体(d)を含む場合、単量体成分に対する単量体(a)と単量体(b)と単量体(c)との合計の割合は、99.9モル%以下が好ましく、99.5モル%以下がより好ましい。
単量体成分が単量体(d)を含む場合、単量体成分に対する単量体(d)の割合は、0.5モル%以上が好ましく、1.0モル%以上がより好ましい。
重合開始剤の添加量は、単量体成分100質量部に対して0.1~5質量部が好ましく、0.1~3質量部がより好ましい。
分子量調整剤の添加量は、単量体成分100質量部に対して5質量部以下が好ましく、2質量部以下がより好ましく、0質量部であってもよい。
水性媒体、界面活性剤はそれぞれ〔撥水撥油剤組成物〕の項で例示した化合物と同じ化合物が挙げられる。
乳化液中の単量体成分の濃度は、20~60質量%が好ましく、30~50質量%がより好ましい。乳化液中の単量体成分の濃度が前記範囲内であれば、単量体成分の重合時に単量体成分の重合体(A)への転化率を向上させることができるとともに、重合体(A)の分子量を充分に高くできる。
分散液においては、重合体(A)が水性媒体中に乳化粒子として分散されている。
分散液において、重合体(A)の乳化粒子の平均粒子径は、20~200nmが好ましく、40~190nmがより好ましく、60~180nmがさらに好ましい。平均粒子径が前記上限値以下であれば、重合体(A)の乳化粒子で処理された物品の撥水性、重合体(A)の乳化粒子の分散性がより優れる。平均粒子径が前記下限値以上であれば、重合体(A)の乳化粒子が機械的なシェアに対してより安定である。
重合体(A)の乳化粒子の平均粒子径は、重合体(A)の分散液を水で固形分濃度1質量%に希釈したサンプルについて動的光散乱法によって得られた自己相関関数からキュムラント法解析によって算出される。
以上説明した本組成物の製造方法にあっては、単量体(a)と単量体(b)と単量体(c)とを有し、単量体成分に対するそれらの合計の割合が95モル%以上である。そのため、撥水性及び撥水性の洗濯耐久性にも優れる物品を製造できる撥水撥油剤組成物を製造できる。また、単量体(b)がエステル結合を有していないため、本組成物で処理された物品はアルカリ等の条件下において撥水撥油性が低下しにくい。
本発明の物品は、本組成物を用いて処理された物品である。
本組成物で処理される物品としては、例えば、繊維、布帛、繊維又は布帛を備えた製品、ガラス、紙、木、皮革、人工皮革、石、コンクリート、セラミックス、金属、金属酸化物、樹脂成形品、多孔質製品が挙げられる。
布帛としては、例えば、織物、編物、不織布、起毛布が挙げられる。繊維又は布帛を備えた製品としては、例えば、ロープ、スキーウェア、レインウェア、コート、ブルゾン、ウィンドブレーカー、ダウンジャケット、スポーツウェア、作業衣、ユニフォーム、防護服等の衣料、バックパック、カバン、テントが挙げられる。
多孔質製品としては、例えば、フィルターが挙げられる。多孔質製品の材料としては、例えば、ポリプロピレン、ポリエチレンテレフタレート、ポリテトラフルオロエチレン、ガラス繊維、セルロースナノファイバー、炭素繊維、セルロースアセテートが挙げられる。
繊維の種類としては、特に限定されないが、例えば、綿、羊毛、絹、セルロース等の天然繊維;ポリエステル、ポリアミド、アクリル、アラミド等の合成繊維;レーヨン、ビスコースレーヨン、リヨセル等の再生繊維;天然繊維と合成繊維との混紡繊維;天然繊維と再生繊維との混紡繊維が挙げられる。不織布である場合の繊維の種類としては、例えば、ポリエチレン、ポリプロピレン、ポリオレフィン、ポリエチレンテレフタレート、ポリテトラフルオロエチレン、レーヨン、ガラスが挙げられる。
布帛の厚みは、特に限定されないが、通常、0.01~5mmである。
被処理物品に付着させる撥水撥油剤組成物における固形分の量は、特に限定されない。例えば布帛の場合、布帛1gあたり0.001~0.05gが好ましい。
乾燥は、常温で行っても加熱してもよく、加熱することが好ましい。加熱する場合、加熱温度は40~200℃が好ましい。また、撥水撥油剤組成物が架橋剤を含有する場合、必要であれば、前記架橋剤の架橋温度以上に加熱してキュアリングすることが好ましい。
以上説明した本発明の物品にあっては、本組成物を用いて処理されているため、撥水性及び撥水性の洗濯耐久性に優れる。また、重合体(A)を構成する単位(b)がエステル結合を有していないため、本発明の物品はアルカリ等の条件において撥水撥油性が低下しにくい。
例1~5、15は実施例であり、例6~14、16は比較例である。
重合体の組成(重合体を構成する全単位に対する各単量体単位の割合)は、各単量体の仕込み量に基づいて算出した。
各例で得られた重合体分散液から界面活性剤及び溶媒を取り除いた後に1H-NMRにより重合体における各単量体の割合を算出することにより、仕込み組成とほぼ同等であることを確認した。または、各例で得られた重合体分散液のガスクロマトグラフィーによって、未反応の各単量体を定量し、各単量体の反応率を算出し、重合体を構成する全単位に対する各単量体単位の割合を算出することにより、仕込み組成とほぼ同等であることを確認した。
原料の仕込み量から計算された重合体分散液の固形分濃度の理論値と、重合体分散液の固形分濃度の実測値とから、実測値/理論値×100によって単量体成分の重合体への転化率を求めた。転化率が90%以上をA(良)、80%以上90%未満をB(可)、80%未満をC(不可)とした。
(重合体の回収)
各例で得られた重合体分散液の6gを、ヘキサン6gと2-ブタノール54gとの混合液の60gに滴下し、撹拌して固体を析出させた。3000rpmで5分間遠心分離した後、得られた固体を分離した。分離した固体にイソプロピルアルコール変性アルコール(イマヅ社製、製品名:95%IPA変性アルコール)の30gと、イオン交換水の30gとを加えてよく撹拌した。3000rpmで5分間遠心分離した後、得られた固体を上澄み液から分離し、35℃で一晩真空乾燥して重合体を得た。
回収した重合体を含フッ素溶媒(AGC社製、AK-225)/テトラヒドロフラン(以下、「THF」と記す。)=6/4(体積比)の混合溶媒に溶解させて、固形分濃度0.5質量%の溶液とし、0.2μmのフィルターに通し、分析サンプルとした。分析サンプルについて、GPC測定によりMn及びMwを測定した。測定条件は下記のとおりである。
装置:東ソー社製、HLC-8320GPC、
カラム:Polymer laboratories社製、MIXED-C 300×7.5mm 5μm、
移動相:AK-225/THF=6/4(体積比)、
流速:1.0mL/分、
オーブン温度:37℃、
試料濃度:1.0質量%、
注入量:50μL、
検出器:RI、
分子量標準:ポリメチルメタクリレート(Mp=2136000、955000、569000、332800、121600、67400、31110、13300、7360、1950、1010、550)。
作製した物品の表面における水の後退接触角を、Dataphysics表面張力計(DCAT11)を用いてWhilhelmy法により測定した。一定の速度で、ガラス製容器に入れた水温20℃±0.2℃の純水200mLの水面に対して、後述の方法で作製した後退接触角評価用の物品の長手方向が垂直になるように浸漬する際及び引き上げる際に加わる力をコンピューターにより解析することで後退接触角を測定した。
製造した試験布の撥水性を、JIS L 1092:1998のスプレー試験にしたがって、1~5の5段階の等級で評価した。等級が大きいほど撥水性が良好であることを示す。等級に+(-)を記したものは、その等級と比べて撥水性がわずかに良い(悪い)ことを示す。
初期の撥水性の評価を行った試験布について、AATCC Monograph 6-2016の洗濯方法にしたがって、洗濯を20回繰り返した。洗濯後、AATCC Monograph 6-2016のタンブル乾燥方法にしたがって乾燥させた後、撥水性を評価した。
CTFE:クロロトリフルオロエチレン。
〔(単量体(b)〕
C4OLF:CH2=CH-(CF2)3CF3(東京化成工業社製)。
〔(単量体(c)〕
AcV:酢酸ビニル(東京化成工業社製)。
StV:ステアリン酸ビニル(東京化成工業社製)。
PiV:ピバル酸ビニル(東京化成工業社製)。
〔(単量体(d)〕
EGMAE:エチレングリコールモノアリルエーテル(東京化成工業社製)。
E420:ポリオキシエチレンオレイルエーテル(エチレンオキシド約12.8モル付加物、花王社製品名、エマルゲン420)。
E430:ポリオキシエチレンオレイルエーテル(エチレンオキシド約30モル付加物、花王社製品名、エマルゲン430)の10質量%水溶液。
P204:エチレンオキシド・プロピレンオキシド重合物(平均分子量3330、エチレンオキシド40質量%含有、日油社製品名、プロノン#204)。ただし、例14においては、P204を水で希釈し、最終的な固形分濃度を10質量%に調整したものを使用した。
LQ1863:塩化アルキル(炭素数:16~18)トリメチルアンモニウムの63質量%水及びイソプロピルアルコール溶液(ライオン・スペシャリティ・ケミカルズ社製品名、リポカード18-63)。
SFY485:サーフィノール485(アセチレングリコールエチレンオキシド付加物(エチレンオキシド付加モル数30モル、日信化学工業社製品名、サーフィノール485)。
水:イオン交換水。
DPG:ジプロピレングリコール。
〔重合開始剤〕
VA-061A:2,2’-アゾビス[2-(2-イミダゾリン-2-イル)プロパン](VA-061、富士フイルム和光純薬社製)の酢酸塩(VA-061:酢酸=1:0.8(質量比))の20質量%水溶液。ただし、例14においては、VA-061の酢酸塩の固形分濃度を10質量%に調整したものを使用した。
(重合体分散液の製造)
ガラス製容器に、表1に示す単量体(ただしAcV、CTFEを除く。)、界面活性剤及び媒体を入れ、55℃で30分間加温した後、ホモミキサー(日本精機製作所社製、バイオミキサー)を用いて混合して混合液を得た。得られた混合液を55℃に保ちながら、高圧乳化機(APVラニエ社製、ミニラボ)を用いて、10MPaで前乳化した後、40MPaで処理して乳化液を得た。得られた乳化液をステンレス鋼製反応器に入れ、30℃以下となるまで冷却した。これに表1に示す重合開始剤を加え、気相を窒素置換した後、表1に示す量のAcV、CTFEを導入し、撹拌しながら55℃で24時間重合させ、重合体を含む分散液を得た。
表1に、単量体の重合体への転化率、分散液の固形分濃度、分散液中の重合体のMn及びMwを示す。界面活性剤及び重合開始剤の仕込み量(g)は、媒体の質量を含めた全量である。以下においても同様である。
表3に、単量体組成、a+b+c、b+c、b/cを示す。a+b+cは、単量体成分に対する単量体(a)と単量体(b)と単量体(c)との合計の割合(モル%)である。b+cは、単量体成分に対する単量体(b)と単量体(c)との合計の割合(モル%)である。b/cは、単量体(b)/単量体(c)のモル比である。以下においても同様である。
各例の重合体分散液から界面活性剤及び溶媒を取り除き、得られた重合体を、AC6000(AGC社製)/THF(純正化学社製)=1/1(体積比)の混合媒体で希釈し、最終的な固形分濃度を2.0質量%に調整して撥水撥油剤組成物を得た。
得られた撥水撥油剤組成物を、ガラス基板(ASLAB、SUPER GRADE MICROSCOPE SLIDES;THICK社製品名、縦:25mm、横:75mm、厚さ:1.0-1.2mm)の表面に、ディップコーター(装置名:F255)を用いて、速度1.0mm/秒で、3回往復させることにより塗布し、150℃で10分間乾燥して後退接触角評価用の物品とした。
作製した物品について、上述した評価方法によって、後退接触角を評価した。結果を表3に示す。
(重合体分散液の製造)
ガラス製容器に、表2に示す単量体(ただしAcVを除く。)、界面活性剤及び媒体を入れ、55℃で30分間加温した後、ホモミキサー(日本精機製作所社製、バイオミキサー)を用いて混合して混合液を得た。得られた混合液を55℃に保ちながら、高圧乳化機(APVラニエ社製、ミニラボ)を用いて、10MPaで前乳化した後、40MPaで処理して乳化液を得た。得られた乳化液をステンレス鋼製反応器に入れ、30℃以下となるまで冷却した。これに表2に示す重合開始剤を加え、気相を窒素置換した後、表2に示す量のAcVを導入し、撹拌しながら55℃で24時間重合させ、重合体を含む分散液を得た。表2に、単量体の重合体への転化率、分散液の固形分濃度、分散液中の重合体のMn及びMwを示す。表4に、単量体組成、a+b+c、b+c、b/cを示す。
得られた重合体分散液を用いて、例1~5と同様にして撥水撥油剤組成物を調製し、後退接触角評価用の物品を作製し、後退接触角を評価した。結果を表4に示す。
(重合体分散液の製造)
単量体の種類と仕込み量を表5に示すようにした以外は例1~5と同様にして、重合体を含む分散液を得た。表5に、単量体の重合体への転化率、分散液の固形分濃度、分散液中の重合体のMn及びMwを示す。表6に、単量体組成、a+b+c、b+c、b/cを示す。
各例の重合体分散液を水道水で希釈し、最終的な固形分濃度を2.0質量%に調整した後、イソシアネート系架橋剤(明成化学工業社製、メイカネートTP-10)を、最終的な濃度が1.0質量%となるように添加し、撥水撥油剤組成物を得た。
得られた撥水撥油剤組成物に、ナイロン(Ny)タスラン又はNy高密度タフタを浸漬し、ウェットピックアップが60~65質量%となるように絞った。これを110℃で90秒加熱した後、170℃で60秒間乾燥し、次いで23℃、湿度50%の部屋で一晩静置したものを試験布とした。
作製した試験布を用いて、上述した評価方法によって、初期の撥水性(以下、「Initial」とも記す。)、洗濯後の撥水性(HL20)を評価した。評価結果を表6に示す。
(重合体分散液の製造)
単量体の種類と仕込み量を表5に示すようにした以外は例6~14と同様にして、重合体を含む分散液を得た。表5に、単量体の重合体への転化率、分散液の固形分濃度、分散液中の重合体のMn及びMwを示す。表6に、単量体組成、a+b+c、b+c、b/cを示す。
得られた重合体分散液を用いて、例15と同様にして撥水撥油剤組成物を調製し、試験布を作製し、初期の撥水性(Initial)、洗濯後の撥水性(HL20)を評価した。評価結果を表6に示す。
本発明の一態様に係る撥水撥油剤組成物の製造方法によれば、撥水性に優れる物品が得られる撥水撥油剤組成物を製造できる。
本発明の一態様に係る物品は、撥水性に優れる。
Claims (12)
- 下記単量体(a)に基づく単位と下記単量体(b)に基づく単位と下記単量体(c)に基づく単位とを有する重合体を含み、
前記重合体を構成する全単位に対する、前記単量体(a)に基づく単位と前記単量体(b)に基づく単位と前記単量体(c)に基づく単位との合計の割合が、95モル%以上である、撥水撥油剤組成物。
単量体(a):下式(1)で表される化合物。
CR1R2=CR3R4 式(1)
ただし、R1はF、Cl又はHであり、R2はF又はHであり、R3はF又はHであり、R4はF、H又はCF3であり、R1~R4のうちの少なくとも1つはFである。
単量体(b):下式(2)で表される化合物。
CH2=CH-Rf 式(2)
ただし、Rfは炭素数1~6のペルフルオロアルキル基である。
単量体(c):カルボン酸ビニルエステル。 - 前記重合体が、下記単量体(d)に基づく単位をさらに有する、請求項1に記載の撥水撥油剤組成物。
単量体(d):前記単量体(a)、前記単量体(b)及び前記単量体(c)と共重合可能な他の単量体。 - 前記重合体を構成する全単位に対する、前記単量体(b)に基づく単位と前記単量体(c)に基づく単位との合計の割合が、85モル%以上99モル%以下である、請求項1又は2に記載の撥水撥油剤組成物。
- 前記単量体(b)に基づく単位/前記単量体(c)に基づく単位のモル比が、0.20以上0.80以下である、請求項1~3のいずれか一項に記載の撥水撥油剤組成物。
- 前記重合体を構成する全単位に対する前記単量体(a)に基づく単位の割合が、1モル%以上12モル%以下である、請求項1~4のいずれか一項に記載の撥水撥油剤組成物。
- 前記単量体(a)が、テトラフルオロエチレン、トリフルオロエチレン、クロロトリフルオロエチレン及びヘキサフルオロプロピレンからなる群から選択される少なくとも1種である、請求項1~5のいずれか一項に記載の撥水撥油剤組成物。
- 単量体成分を重合開始剤の存在下で重合する、撥水撥油剤組成物の製造方法であり、
前記単量体成分が、下記単量体(a)と下記単量体(b)と下記単量体(c)とを含み、
前記単量体成分に対する、前記単量体(a)と前記単量体(b)と前記単量体(c)との合計の割合が、95モル%以上である、撥水撥油剤組成物の製造方法。
単量体(a):下式(1)で表される化合物。
CR1R2=CR3R4 式(1)
ただし、R1は、F、Cl又はHであり、R2は、F又はHであり、R3は、F又はHであり、R4は、F、H又はCF3であり、R1~R4のうちの少なくとも1つはFである。
単量体(b):下式(2)で表される化合物。
CH2=CH-Rf 式(2)
ただし、Rfは、炭素数1~6のペルフルオロアルキル基である。
単量体(c):カルボン酸ビニルエステル。 - 前記単量体成分が、下記単量体(d)をさらに含む、請求項7に記載の撥水撥油剤組成物の製造方法。
単量体(d):前記単量体(a)、前記単量体(b)及び前記単量体(c)と共重合可能な他の単量体。 - 前記単量体成分に対する、前記単量体(b)と前記単量体(c)との合計の割合が、85モル%以上99モル%以下である、請求項7又は8に記載の撥水撥油剤組成物の製造方法。
- 前記単量体(b)/前記単量体(c)のモル比が、0.20以上0.80以下である、請求項7~9のいずれか一項に記載の撥水撥油剤組成物の製造方法。
- 前記単量体成分に対する前記単量体(a)の割合が、1モル%以上12モル%以下である、請求項7~10のいずれか一項に記載の撥水撥油剤組成物の製造方法。
- 請求項1~6のいずれか一項に記載の撥水撥油剤組成物を用いて処理された、物品。
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CN202280032464.3A CN117321171A (zh) | 2021-05-07 | 2022-04-07 | 拒水拒油剂组合物、拒水拒油剂组合物的制造方法和物品 |
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- 2022-04-07 EP EP22798864.9A patent/EP4335882A1/en active Pending
- 2022-04-07 WO PCT/JP2022/017232 patent/WO2022234757A1/ja active Application Filing
- 2022-04-07 KR KR1020237028018A patent/KR20240007115A/ko unknown
- 2022-04-07 CN CN202280032464.3A patent/CN117321171A/zh active Pending
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CN117321171A (zh) | 2023-12-29 |
KR20240007115A (ko) | 2024-01-16 |
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