WO2017051604A1 - 透湿フィルム - Google Patents
透湿フィルム Download PDFInfo
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- WO2017051604A1 WO2017051604A1 PCT/JP2016/072145 JP2016072145W WO2017051604A1 WO 2017051604 A1 WO2017051604 A1 WO 2017051604A1 JP 2016072145 W JP2016072145 W JP 2016072145W WO 2017051604 A1 WO2017051604 A1 WO 2017051604A1
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- WIPO (PCT)
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- moisture
- acrylate
- meth
- permeable film
- mass
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Classifications
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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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- 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
- C08F220/286—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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/24—Homopolymers or copolymers of amides or imides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/24—Homopolymers or copolymers of amides or imides
- C08L33/26—Homopolymers or copolymers of acrylamide or methacrylamide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/06—Polyurethanes from polyesters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/08—Polyurethanes from polyethers
-
- 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
- C09D133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
-
- 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
- C09D133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/24—Homopolymers or copolymers of amides or imides
- C09D133/26—Homopolymers or copolymers of acrylamide or methacrylamide
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/06—Polyurethanes from polyesters
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/08—Polyurethanes from polyethers
Definitions
- the present invention relates to a moisture permeable film having excellent moisture permeability and water swell resistance.
- polyurethane Since polyurethane has good mechanical strength and elasticity, it is widely used in various fields such as coating agents, molding materials, paints, optical films, etc., and it is also actively used as a material for moisture-permeable and waterproof fabrics and synthetic leather. Research has been done.
- the present invention relates to a moisture permeable film formed of a composition containing polyurethane (A) and a hydrophilic acrylic polymer (B).
- hydrophilic acrylic polymer (B) for example, a polymer of a hydrophilic acrylic monomer (b1) can be used.
- the “hydrophilicity” of the hydrophilic acrylic monomer (b1) means an affinity with water.
- the solubility in 100 g of water (20 ° C.) is preferably 5 mass% or more, More preferably, it is 10 mass% or more, More preferably, it is what is 20 mass% or more.
- hydrophilic acrylic monomer (b1) examples include an acrylic monomer (b1-1) having an amide group, an acrylic monomer (b1-2) having an oxyethylene group, an acrylic monomer having a sulfonic acid group, and a quaternary ammonium group.
- acrylic monomer (b1-1) having an amide group examples include (meth) acrylamide, (meth) acryloylmorpholine, N-methylol (meth) acrylamide, N-methoxyethyl (meth) acrylamide, and N, N-dimethyl.
- Acrylamide, N, N-diethylacrylamide, N-isopropylacrylamide and the like can be used. These monomers may be used alone or in combination of two or more.
- acrylic monomer (b1-2) having an oxyethylene group for example, polyethylene glycol (meth) acrylate, methoxypolyethylene glycol (meth) acrylate and the like can be used. These monomers may be used alone or in combination of two or more.
- acrylic monomer having a quaternary ammonium group examples include tetrabutylammonium (meth) acrylate and trimethylbenzylammonium (meth) acrylate. These monomers may be used alone or in combination of two or more.
- acrylic monomer having a carboxyl group for example, (meth) acrylic acid, propyl (meth) acrylic acid, isopropyl (meth) acrylic acid, crotonic acid, fumaric acid and the like can be used. These monomers may be used alone or in combination of two or more.
- acrylic monomer having an amino group examples include dimethylaminoethyl (meth) acrylate, diethylaminoethyl (meth) acrylate, N-tert-butylaminoethyl (meth) acrylate, methacryloxyethyltrimethylammonium chloride (meth) acrylate, and the like. Can be used. These monomers may be used alone or in combination of two or more.
- acrylic monomer having a cyano group examples include acrylonitrile, cyanomethyl acrylate, 2-cyanoethyl acrylate, cyanopropyl acrylate, 1-cyanomethylethyl acrylate, 2-cyanopropyl acrylate, 1-cyanocyclopropyl acrylate, 1-cyano.
- Cycloheptyl acrylate, 1,1-dicyanoethyl acrylate, 2-cyanophenyl acrylate, 3-cyanophenyl acrylate, 4-cyanophenyl acrylate, 3-cyanobenzyl acrylate, 4-cyanobenzyl acrylate, and the like can be used. These monomers may be used alone or in combination of two or more.
- acrylic monomer having a hydroxyl group examples include 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 2-hydroxybutyl (meth) acrylate, 4-hydroxybutyl (meth) acrylate, glycerol mono ( A (meth) acrylate etc. can be used. These monomers may be used alone or in combination of two or more.
- acrylic monomer having an imide group examples include (meth) acrylimide, N-methylol maleimide, N-hydroxyethyl maleimide, N-glycidyl maleimide, N-4-chloromethylphenyl maleimide, N-acetoxyethyl maleimide, and the like. Can be used. These monomers may be used alone or in combination of two or more.
- acrylic monomer having a methoxy group examples include 3-methoxybutyl (meth) acrylate), 2-methoxyethyl (meth) acrylate, 3-methoxypropyl (meth) acrylate, 2-methoxybutyl (meth) acrylate, and the like. Can be used. These monomers may be used alone or in combination of two or more.
- hydrophilic acrylic monomers (b1) among them, an amide group having a highly hydrophilic alkyl-substituted nitrogen atom and polyoxyethylene glycol are included in the side chain, so that it has excellent moisture permeability and water-swelling resistance. Therefore, it is preferable to contain an acrylic monomer (b1-1) having an amide group and an acrylic monomer (b1-2) having an oxyethylene group.
- the total amount of the acrylic monomer (b1-1) having an amide group and the acrylic monomer (b1-2) having an oxyethylene group is preferably 70% by mass or more in the hydrophilic acrylic monomer (b1). It is more preferably 80% by mass or more, and further preferably 90% by mass or more.
- radical polymerizable monomer examples include methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, isopropyl (meth) acrylate, butyl (meth) acrylate, isobutyl (meth) acrylate, 2-ethylbutyl ( (Meth) acrylate, n-pentyl (meth) acrylate, hexyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, heptyl (meth) acrylate, n-octyl (meth) acrylate, nonyl (meth) acrylate, dodecyl (meth) Acrylate, 3-methylbutyl (meth) acrylate, isooctyl (meth) acrylate, lauryl (meth) acrylate, tridecyl (meth) acrylate, stearyl (me
- the hydrophilic acrylic polymer (B) As a method for producing the hydrophilic acrylic polymer (B), known radical polymerization can be used.
- the hydrophilic acrylic monomer (b1) a polymerization initiator, an organic solvent, and as necessary.
- examples include a method in which the radical polymerizable monomer is mixed and stirred at a temperature in the range of, for example, 40 to 90 ° C., and the radical polymerization proceeds in, for example, 1 to 10 hours.
- polymerization initiator examples include peroxides such as hydrogen peroxide, potassium persulfate, sodium persulfate, and ammonium persulfate; benzoyl peroxide, t-butylperoxy-2-ethylhexanoate, cumene hydroperoxide
- Organic peroxides such as 2,2′-azobis- (2-aminodipropane) dihydrochloride, 2,2′-azobis- (N, N′-dimethyleneisobutylamidine) dihydrochloride, azobisiso
- An azo compound such as butyronitrile, 2,2′-azobis (2-methylbutyronitrile), 2,2′-azobis (2,4-dimethylvaleric nitrile), or the like can be used.
- polymerization initiators may be used alone or in combination of two or more.
- the amount of the polymerization initiator used is, for example, in the range of 0.001 to 5 parts by mass with respect to 100 parts by mass of the monomer that is a raw material for the hydrophilic acrylic polymer (B).
- the weight average molecular weight of the hydrophilic acrylic polymer (B) is preferably in the range of 10,000 to 100,000, preferably in the range of 15,000 to 50,000, from the viewpoint of affinity with the polyurethane (A). It is more preferable that In addition, the weight average molecular weight of the said hydrophilic acrylic polymer (B) shows the value obtained by measuring on condition of the following by gel permeation chromatography (GPC) method.
- GPC gel permeation chromatography
- polyether polyol for example, polyether polyol, polycarbonate polyol, polyester polyol, polyacryl polyol, polybutadiene polyol and the like can be used. These polyols may be used alone or in combination of two or more.
- the number average molecular weight of the polyol (a-1) can be appropriately determined in the range of 500 to 8,000 depending on the desired physical properties.
- the number average molecular weight of the polyol (a-1) is a value obtained by measurement in the same manner as the weight average molecular weight of the hydrophilic acrylic polymer (B).
- chain extender examples include ethylene glycol, diethylene recall, triethylene glycol, propylene glycol, 1,3-propanediol, 1,3-butanediol, 1,4-butanediol, hexamethylene glycol, saccharose, methylene Chain extenders having hydroxyl groups such as glycol, glycerin, sorbitol, bisphenol A, 4,4′-dihydroxydiphenyl, 4,4′-dihydroxydiphenyl ether, 4,4′-dihydroxydiphenylsulfone, hydrogenated bisphenol A, hydroquinone; ethylenediamine 1,2-propanediamine, 1,6-hexamethylenediamine, piperazine, 2-methylpiperazine, 2,5-dimethylpiperazine, isophoronediamine, 4,4'-dicyclohexylme Having amino groups such as diamine, 3,3'-dimethyl-4,4'-dicyclohexylmethanediamine, 1,2-cyclo
- the amount used when the chain extender is used is preferably in the range of 0.1 to 30 parts by mass with respect to 100 parts by mass of the polyol (a-1) from the viewpoint of mechanical strength and texture. .
- the polyurethane (A) for example, the polyol (a-1), the polyisocyanate (a-2), and, if necessary, the chain extender are charged and produced by urethanization reaction.
- the method of doing is mentioned. These reactions can be performed, for example, at a temperature of 50 to 100 ° C. for 3 to 10 hours.
- the urethanization reaction may be performed in an organic solvent.
- organic solvent examples include N, N-dimethylformamide, N, N-dimethylacetamide, N-methyl-2-pyrrolidone, methyl ethyl ketone, methyl n-propyl ketone, acetone, methyl isobutyl ketone, methyl formate, and ethyl formate.
- Propyl formate, methyl acetate, ethyl acetate, isopropyl acetate, isobutyl acetate, sec-butyl acetate, methanol, ethanol, isopropyl alcohol, butanol and the like can be used. These organic solvents may be used alone or in combination of two or more.
- Molar ratio of the total of hydroxyl groups and amino groups of the polyol (a-1) and the chain extender (a3) to the isocyanate groups of the polyisocyanate (a-2) [isocyanate group / hydroxyl group and amino group] Is preferably in the range of 0.8 to 1.2, more preferably in the range of 0.9 to 1.1, from the viewpoints of production stability and mechanical strength.
- the weight average molecular weight of the polyurethane (A) can be appropriately determined in the range of 500 to 500,000 according to the intended physical properties.
- the weight average molecular weight of the said polyurethane (A) shows the value obtained by measuring similarly to the weight average molecular weight of the said hydrophilic acrylic polymer (B).
- a substrate made of a nonwoven fabric, a woven fabric, or a knitted fabric; a resin film; paper or the like can be used.
- constituents of the substrate include chemical fibers such as polyester fiber, nylon fiber, acrylic fiber, polyurethane fiber, acetate fiber, rayon fiber, and polylactic acid fiber; cotton, hemp, silk, wool, and blended fibers thereof. Etc. can be used.
- a base material made of a nonwoven fabric, a woven fabric, or a knitted material is used as the base material, a state in which a dry product of the composition is infiltrated into the base material is formed.
- Such an embodiment is also called a film.
- the surface of the base material may be subjected to treatments such as antistatic processing, mold release processing, water repellent processing, water absorption processing, antibacterial and deodorizing processing, antibacterial processing, and ultraviolet blocking processing as necessary.
- Examples of the method of applying the composition to the surface of the substrate include a gravure coater method, a knife coater method, a pipe coater method, and a comma coater method.
- the moisture-permeable film of the present invention is excellent in moisture permeability and water-swelling resistance. Therefore, the moisture-permeable film of the present invention can be suitably used as a moisture-permeable film used for production of moisture-permeable waterproof fabrics such as clothing, medicine, and hygiene; synthetic leather and the like.
- a method for producing a moisture permeable waterproof fabric when the moisture permeable film of the present invention is used for producing a moisture permeable waterproof fabric for example, a method of adhering the moisture permeable film to a fabric using a known adhesive.
- the composition is directly applied onto a fabric, a state in which the dried product of the composition has soaked into the fabric is formed. In the present invention, such an embodiment is also referred to as a film. Call.
- N-dimethylformamide solution in an amount of 50% by mass with respect to the mixture was dropped in a reactor at 80 ° C. for 4 hours to carry out radical polymerization.
- the hydrophilic acrylic polymer (B-4) obtained had an important average molecular weight of 20,000 and a solid content of 50% by mass.
- Example 2 In the same manner as in Example 1, except that polyester polyurethane (“Crisbon 1846EL” manufactured by DIC Corporation) was used instead of polyester polyurethane (“Crisbon MP-856” manufactured by DIC Corporation), A moisture permeable film was obtained.
- Example 3 In the same manner as in Example 1, except that a polycarbonate-based polyurethane (“Crisbon S-705” manufactured by DIC Corporation) was used instead of the polyester-based polyurethane (“Chrisbon MP-856” manufactured by DIC Corporation), A moisture permeable film was obtained.
- Example 5 A polyester-based polyurethane (“Crisbon MP-856” manufactured by DIC Corporation) was mixed with a hydrophilic acrylic polymer (B-1) having a solid content ratio of 50% by mass to obtain a composition. 100 parts by mass of the resulting composition is diluted with 30 parts by mass of N, N-dimethylformamide, applied to a release paper so that the thickness after drying is 15 ⁇ m, and is dried at 70 ° C. for 2 minutes using a dryer. Then, a moisture permeable film was obtained by drying at 120 ° C. for 2 minutes.
- Polyester polyurethane (“Crisbon MP-856” manufactured by DIC Corporation) was mixed with a hydrophilic acrylic polymer (B-2) having a solid content ratio of 30% by mass to obtain a composition. 100 parts by mass of the resulting composition is diluted with 30 parts by mass of N, N-dimethylformamide, applied to a release paper so that the thickness after drying is 15 ⁇ m, and is dried at 70 ° C. for 2 minutes using a dryer. Then, a moisture permeable film was obtained by drying at 120 ° C. for 2 minutes.
- Polyester-based polyurethane (“Crisbon MP-856” manufactured by DIC Corporation) was applied to release paper so that the thickness after drying was 15 ⁇ m, using a dryer at 70 ° C. for 2 minutes, then at 120 ° C. A film was obtained by drying for 2 minutes.
- Examples 1 to 8 which are moisture permeable films of the present invention are excellent in moisture permeability and water swell resistance.
- Comparative Example 1 is a moisture permeable film formed of moisture permeable polyoxyethylene glycol polyurethane, but its water swell resistance was poor.
Abstract
Description
カラム:東ソー株式会社製の下記のカラムを直列に接続して使用した。
「TSKgel G5000」(7.8mmI.D.×30cm)×1本
「TSKgel G4000」(7.8mmI.D.×30cm)×1本
「TSKgel G3000」(7.8mmI.D.×30cm)×1本
「TSKgel G2000」(7.8mmI.D.×30cm)×1本
検出器:RI(示差屈折計)
カラム温度:40℃
溶離液:テトラヒドロフラン(THF)
流速:1.0mL/分
注入量:100μL(試料濃度0.4質量%のテトラヒドロフラン溶液)
標準試料:下記の標準ポリスチレンを用いて検量線を作成した。
東ソー株式会社製「TSKgel 標準ポリスチレン A-500」
東ソー株式会社製「TSKgel 標準ポリスチレン A-1000」
東ソー株式会社製「TSKgel 標準ポリスチレン A-2500」
東ソー株式会社製「TSKgel 標準ポリスチレン A-5000」
東ソー株式会社製「TSKgel 標準ポリスチレン F-1」
東ソー株式会社製「TSKgel 標準ポリスチレン F-2」
東ソー株式会社製「TSKgel 標準ポリスチレン F-4」
東ソー株式会社製「TSKgel 標準ポリスチレン F-10」
東ソー株式会社製「TSKgel 標準ポリスチレン F-20」
東ソー株式会社製「TSKgel 標準ポリスチレン F-40」
東ソー株式会社製「TSKgel 標準ポリスチレン F-80」
東ソー株式会社製「TSKgel 標準ポリスチレン F-128」
東ソー株式会社製「TSKgel 標準ポリスチレン F-288」
東ソー株式会社製「TSKgel 標準ポリスチレン F-550」
攪拌機、温度計及び窒素ガス導入管を備えた反応装置に、N,N-ジメチルホルムアミドを仕込み、その後、N,N-ジメチルアクリルアミド/メトキシポリエチレングリコールアクリレート(新中村化学工業株式会社製「AM-90G」、オキシエチレン基の平均付加モル数が9モル)の混合物(モル比=85/15)と、和光純薬工業株式会社製アゾ系重合開始剤「V-59」を0.1質量%N,N-ジメチルホルムアミド溶液を前記混合物に対して50質量%とを、80℃の反応装置内に4時間滴下し、ラジカル重合を行った。得られた親水性アクリル重合体(B-1)の重量平均分子量は2万、固形分は50質量%であった。
攪拌機、温度計及び窒素ガス導入管を備えた反応装置に、N,N-ジメチルホルムアミドを仕込み、その後、N,N-ジメチルアクリルアミド/メトキシポリエチレングリコールアクリレート(新中村化学工業株式会社製「AM-90G」、オキシエチレン基の平均付加モル数が9モル)の混合物(モル比=50/50)と、和光純薬工業株式会社製アゾ系重合開始剤「V-59」を0.1質量%N,N-ジメチルホルムアミド溶液を前記混合物に対して50質量%とを、80℃の反応装置内に4時間滴下し、ラジカル重合を行った。得られた親水性アクリル重合体(B-2)の重要平均分子量は2万、固形分は50質量%であった。
攪拌機、温度計及び窒素ガス導入管を備えた反応装置に、N,N-ジメチルホルムアミドを仕込み、その後、N,N-ジエチルアクリルアミド/メトキシポリエチレングリコールアクリレート(新中村化学工業株式会社製「AM-90G」、オキシエチレン基の平均付加モル数が9モル)の混合物(モル比=85/15)と、和光純薬工業株式会社製アゾ系重合開始剤「V-59」を0.1質量%N,N-ジメチルホルムアミド溶液を前記混合物に対して50質量%とを、80℃の反応装置内に4時間滴下し、ラジカル重合を行った。得られた親水性アクリル重合体(B-3)の重要平均分子量は2万、固形分は50質量%であった。
攪拌機、温度計及び窒素ガス導入管を備えた反応装置に、N,N-ジメチルホルムアミドを仕込み、その後、N,N-ジメチルアクリルアミド/メトキシポリエチレングリコールアクリレート(新中村化学工業株式会社製「AM-130G」、オキシエチレン基の平均付加モル数が13モル)の混合物(モル比=85/15)と、和光純薬工業株式会社製アゾ系重合開始剤「V-59」を0.1質量%N,N-ジメチルホルムアミド溶液を前記混合物に対して50質量%とを、80℃の反応装置内に4時間滴下し、ラジカル重合を行った。得られた親水性アクリル重合体(B-4)の重要平均分子量は2万、固形分は50質量%であった。
ポリエステル系ポリウレタン(DIC株式会社製「クリスボンMP-856」)に対して、固形分比で30質量%の親水性アクリル重合体(B-1)を混合し、組成物を得た。
得られた組成物100質量部をN,N-ジメチルホルムアミド30質量部で希釈し、乾燥後の厚さが15μmとなるように離型紙に塗布し、乾燥機を使用して70℃で2分間、次いで120℃で2分間乾燥させることで透湿フィルムを得た。
ポリエステル系ポリウレタン(DIC株式会社製「クリスボンMP-856」)の代わりに、ポリエ-テル系ポリウレタン(DIC株式会社製「クリスボン1846EL」)を用いた以外は実施例1と同様にして組成物、及び透湿フィルムを得た。
ポリエステル系ポリウレタン(DIC株式会社製「クリスボンMP-856」)の代わりに、ポリカーボネート系ポリウレタン(DIC株式会社製「クリスボンS-705」)を用いた以外は実施例1と同様にして組成物、及び透湿フィルムを得た。
ポリエステル系ポリウレタン(DIC株式会社製「クリスボンMP-856」)に対して、固形分比で15質量%の親水性アクリル重合体(B-1)を混合し、組成物を得た。
得られた組成物100質量部をN,N-ジメチルホルムアミド30質量部で希釈し、乾燥後の厚さが15μmとなるように離型紙に塗布し、乾燥機を使用して70℃で2分間、次いで120℃で2分間乾燥させることで透湿フィルムを得た。
ポリエステル系ポリウレタン(DIC株式会社製「クリスボンMP-856」)に対して、固形分比で50質量%の親水性アクリル重合体(B-1)を混合し、組成物を得た。
得られた組成物100質量部をN,N-ジメチルホルムアミド30質量部で希釈し、乾燥後の厚さが15μmとなるように離型紙に塗布し、乾燥機を使用して70℃で2分間、次いで120℃で2分間乾燥させることで透湿フィルムを得た。
ポリエステル系ポリウレタン(DIC株式会社製「クリスボンMP-856」)に対して、固形分比で30質量%の親水性アクリル重合体(B-2)を混合し、組成物を得た。
得られた組成物100質量部をN,N-ジメチルホルムアミド30質量部で希釈し、乾燥後の厚さが15μmとなるように離型紙に塗布し、乾燥機を使用して70℃で2分間、次いで120℃で2分間乾燥させることで透湿フィルムを得た。
ポリエステル系ポリウレタン(DIC株式会社製「クリスボンMP-856」)に対して、固形分比で30質量%の親水性アクリル重合体(B-3)を混合し、組成物を得た。
得られた組成物100質量部をN,N-ジメチルホルムアミド30質量部で希釈し、乾燥後の厚さが15μmとなるように離型紙に塗布し、乾燥機を使用して70℃で2分間、次いで120℃で2分間乾燥させることで透湿フィルムを得た。
ポリエステル系ポリウレタン(DIC株式会社製「クリスボンMP-856」)に対して、固形分比で30質量%の親水性アクリル重合体(B-4)を混合し、組成物を得た。
得られた組成物100質量部をN,N-ジメチルホルムアミド30質量部で希釈し、乾燥後の厚さが15μmとなるように離型紙に塗布し、乾燥機を使用して70℃で2分間、次いで120℃で2分間乾燥させることで透湿フィルムを得た。
ポリオキシエチレングリコール系ポリウレタン(DIC株式会社製「クリスボンS-525」)を、乾燥後の厚さが15μmとなるように離型紙に塗布し、乾燥機を使用して70℃で2分間、次いで120℃で2分間乾燥させることで透湿フィルムを得た。
ポリエステル系ポリウレタン(DIC株式会社製「クリスボンMP-856」)を、乾燥後の厚さが15μmとなるように離型紙に塗布し、乾燥機を使用して70℃で2分間、次いで120℃で2分間乾燥させることでフィルムを得た。
ポリエ-テル系ポリウレタン(DIC株式会社製「クリスボン1846EL」)を、乾燥後の厚さが15μmとなるように離型紙に塗布し、乾燥機を使用して70℃で2分間、次いで120℃で2分間乾燥させることでフィルムを得た。
ポリカーボネート系ポリウレタン(DIC株式会社製「クリスボンS-705」)を、乾燥後の厚さが15μmとなるように離型紙に塗布し、乾燥機を使用して70℃で2分間、次いで120℃で2分間乾燥させることでフィルムを得た。
実施例、及び比較例で得られた透湿フィルム、及びフィルムを、JISL1099:2012のB-1法(酢酸カリウム法)に準拠して透湿度(g/m2/24h)を測定した。
実施例、及び比較例で得られた透湿フィルム、及びフィルムを、2cm(縦)×5cm(横)に裁断したものを試験片とした。得られた試験片を25℃のイオン交換水中に1時間浸漬し、取出した透湿フィルム、及びフィルムの横方向の長さを測定し、下記式(1)により膨潤率(%)を算出した。
膨潤率(%)=浸漬後の透湿フィルム及びフィルムの長さ(cm)-5(cm)/5(cm)×100 (1)
「PEs系Pu」;ポリエステル系ポリウレタン(DIC株式会社製「クリスボンMP-856」)
「PEt系Pu」;ポリエ-テル系ポリウレタン(DIC株式会社製「クリスボン1846EL」)
「PC系Pu」;ポリカーボネート系ポリウレタン(DIC株式会社製「クリスボンS-705」)
「PEG系Pu」;ポリオキシエチレングリコール系ポリウレタン(DIC株式会社製「クリスボンS-525」)
「DMAA」;N,N-ジメチルアクリルアミド
「DEAA」;N,N-ジエチルアクリルアミド
「AM-90G」;メトキシポリエチレングリコールアクリレート(新中村化学工業株式会社製「AM-90G」
「AM-130G」;メトキシポリエチレングリコールアクリレート(新中村化学工業株式会社製「AM-130G」
Claims (4)
- ポリウレタン(A)、及び、親水性アクリル重合体(B)を含有する組成物により形成された透湿フィルム。
- 前記親水性アクリル重合体(B)が、アミド基を有するアクリルモノマー(b1-1)、及び、オキシエチレン基を有するアクリルモノマー(b1-2)を含有する親水性アクリルモノマー(b1)の重合物である請求項1記載の透湿フィルム。
- 前記アミド基を有するアクリルモノマー(b1-1)と前記オキシエチレン基を有するアクリルモノマー(b1-2)との重合比率(モル比)が、90/10~50/50の範囲である請求項2記載の透湿フィルム。
- 前記親水性アクリル重合体(B)の含有量が、前記ポリウレタン(A)100質量部に対して、10~50質量部の範囲である請求項1記載の透湿フィルム。
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WO2018066218A1 (ja) * | 2016-10-03 | 2018-04-12 | Dic株式会社 | セミipn型複合体の製造方法 |
WO2019111793A1 (ja) * | 2017-12-05 | 2019-06-13 | 東レ株式会社 | 熱交換用シート |
WO2021205834A1 (ja) * | 2020-04-07 | 2021-10-14 | Dic株式会社 | 水性樹脂組成物及びコーティング剤 |
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US20210017614A1 (en) * | 2019-07-16 | 2021-01-21 | Nissan Motor Co., Ltd. | Leather material, composition for forming top coat of leather material, and method for producing leather material |
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TWI711665B (zh) | 2020-12-01 |
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CN108026367B (zh) | 2020-11-27 |
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