WO2022259982A1 - 耐油剤及び紙製品 - Google Patents
耐油剤及び紙製品 Download PDFInfo
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- WO2022259982A1 WO2022259982A1 PCT/JP2022/022651 JP2022022651W WO2022259982A1 WO 2022259982 A1 WO2022259982 A1 WO 2022259982A1 JP 2022022651 W JP2022022651 W JP 2022022651W WO 2022259982 A1 WO2022259982 A1 WO 2022259982A1
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- polymer
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- resistant agent
- oil
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- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 239000012038 nucleophile Substances 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 235000014593 oils and fats Nutrition 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 125000001117 oleyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])/C([H])=C([H])\C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000004006 olive oil Substances 0.000 description 1
- 235000008390 olive oil Nutrition 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 125000001312 palmitoyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 125000002958 pentadecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000005010 perfluoroalkyl group Chemical group 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 229920000371 poly(diallyldimethylammonium chloride) polymer Polymers 0.000 description 1
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 239000011970 polystyrene sulfonate Substances 0.000 description 1
- 229960002796 polystyrene sulfonate Drugs 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 235000019423 pullulan Nutrition 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000008159 sesame oil Substances 0.000 description 1
- 235000011803 sesame oil Nutrition 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 229940032147 starch Drugs 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000012756 surface treatment agent Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 229950011008 tetrachloroethylene Drugs 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 239000012974 tin catalyst Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 125000004665 trialkylsilyl group Chemical group 0.000 description 1
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 0.000 description 1
- 239000013053 water resistant agent Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L29/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
- C08L29/02—Homopolymers or copolymers of unsaturated alcohols
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/42—Applications of coated or impregnated materials
-
- 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
- C08F261/00—Macromolecular compounds obtained by polymerising monomers on to polymers of oxygen-containing monomers as defined in group C08F16/00
- C08F261/02—Macromolecular compounds obtained by polymerising monomers on to polymers of oxygen-containing monomers as defined in group C08F16/00 on to polymers of unsaturated alcohols
- C08F261/04—Macromolecular compounds obtained by polymerising monomers on to polymers of oxygen-containing monomers as defined in group C08F16/00 on to polymers of unsaturated alcohols on to polymers of vinyl alcohol
-
- 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
- C08F8/00—Chemical modification by after-treatment
- C08F8/14—Esterification
-
- 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
- C08F8/00—Chemical modification by after-treatment
- C08F8/30—Introducing nitrogen atoms or nitrogen-containing groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
- C08G18/6212—Polymers of alkenylalcohols; Acetals thereof; Oxyalkylation products thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/71—Monoisocyanates or monoisothiocyanates
-
- 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
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D151/003—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
-
- 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
- C09D201/00—Coating compositions based on unspecified macromolecular compounds
- C09D201/02—Coating compositions based on unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups
-
- 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
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/36—Polyalkenyalcohols; Polyalkenylethers; Polyalkenylesters
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
- D21H17/56—Polyamines; Polyimines; Polyester-imides
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/22—Polyalkenes, e.g. polystyrene
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/10—Packing paper
-
- 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
- C08F216/00—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 alcohol, ether, aldehydo, ketonic, acetal or ketal radical
- C08F216/02—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 alcohol, ether, aldehydo, ketonic, acetal or ketal radical by an alcohol radical
- C08F216/04—Acyclic compounds
- C08F216/06—Polyvinyl alcohol ; Vinyl alcohol
Definitions
- the present disclosure relates to an oil resistant agent, particularly an oil resistant agent that can be suitably used for paper products.
- Patent Document 1 describes (a) a vinyl polymer having at least one substituent selected from the group consisting of a hydroxyl group, an amino group, and an imino group and (b) a water repellent having 8 carbon atoms as a water repellent agent having excellent water repellency.
- a water repellent which is an adduct of isocyanate having an aliphatic group as described above.
- Patent Document 1 there is no description of imparting oil resistance to liquid oil to paper products.
- Oil resistance of paper products to liquid oils is an important property in paper products intended for food applications (eg food packaging).
- An object of the present disclosure is to provide an oil resistant agent capable of imparting oil resistance to liquid oil to paper products.
- the polymer (a1) and the aliphatic hydrocarbon group (a2) are bonded by at least one bond selected from the group consisting of a urethane bond, a urea bond, an ester bond, an amide bond, and an ether bond. 3.
- the polymer (a1) is polyvinyl alcohol, ethylene-vinyl alcohol copolymer, vinyl acetate-vinyl alcohol copolymer, ethylene-vinyl acetate-vinyl alcohol copolymer, polyvinylamine, and vinylamine-vinyl alcohol copolymer Item 4.
- the modification rate of the aliphatic hydrocarbon group (a2) in the polymer (A) is 25 mol% or more and 100 mol% or less with respect to the total amount of hydroxyl groups and amino groups of the polymer (a1). Item 6.
- Item 8 Item 8. The oil resistant agent according to any one of Items 1 to 7, which further comprises water, an organic solvent, or a mixture of water and an organic solvent, and is a dispersion or solution.
- Item 9 Item 9. The oil resistant agent according to any one of Items 1 to 8, further comprising at least one selected from polysaccharides, paper strength agents, flocculants, retention aids, and coagulants.
- Item 10 Item 10. The oil resistant agent according to any one of items 1 to 9, which is used for paper products.
- Item 11 Item 11.
- the oil resistant agent according to Item 10 wherein the paper product is a packaging material for food or a container for food.
- Item 12 A paper product treated with the oil resistant agent according to any one of items 1 to 11.
- Item 13 Item 13. The paper product according to item 12, which is a packaging material for food or a container for food.
- the oil resistant agent in the present disclosure can impart oil resistance to liquid oil to paper products.
- the oil resistant agent imparts oil resistance to the base material by treating the base material.
- the base material to which oil resistance is imparted has the property of preventing oil stains, and may further have oil repellency or antifouling properties.
- oil refers to fats and oils and organic solvents. , Corn oil, sesame oil, rapeseed oil, olive oil, industrial oils and fats include castor oil, organic solvents may be polar solvents and non-polar solvents, and non-polar solvents include hexane, hexadecane and the like, but are not limited to these.
- the oil may contain at least fat.
- the oil resistant agent may impart water resistance and/or water repellency to the substrate by treating the substrate.
- the oil resistant agent may contain a liquid medium (water, an organic solvent, or a mixed solution thereof) in addition to the polymer (A) (which may be, for example, a non-fluoropolymer).
- the oil resistant agent may further contain at least one selected from the group consisting of surfactants, dispersants and additives.
- the oil resistant agent in the present disclosure includes polymer (A).
- the polymer (A) is obtained by modifying the polymer (a1) containing a hydroxyl group or an amino group with an aliphatic hydrocarbon group (a2) having 1 to 40 carbon atoms.
- modifying the polymer (a1) with the aliphatic hydrocarbon group (a2) means chemically bonding the aliphatic hydrocarbon group (a2) to the polymer (a1). That is, the polymer (A) is a chemical bond between the polymer (a1) and the aliphatic hydrocarbon group (a2).
- the polymer (a1) has at least one selected from the group consisting of hydroxyl groups and amino groups.
- the polymer (a1) may have only hydroxyl groups, only amino groups, or both hydroxyl groups and amino groups, and may additionally have functional groups such as carboxyl groups.
- the polymer (a1) may be an acrylic polymer having repeating units derived from an acrylic monomer, but may not be an acrylic polymer.
- the polymer (a1) is a thermosetting resin or a thermoplastic resin, preferably a thermoplastic resin.
- Polymer (a1) may be polyvinyl alcohol having vinyl alcohol units.
- the vinyl alcohol unit has the following formula: -(-CH 2 -CHOH-)- is a repeating unit represented by Polyvinyl alcohol is produced, for example, by saponification of polyvinyl acetate.
- Polymer (a1) may have vinyl acetate units.
- the formula for the vinyl acetate unit is: -(-CH 2 -CH(OCOCH 3 )-)- is a repeating unit represented by
- the polymer (a1) may have both vinyl alcohol units and vinyl acetate units, and may be a vinyl acetate-vinyl alcohol copolymer.
- the repeating units that the polymer (a1) has are not limited to vinyl alcohol units and vinyl acetate units, and may have ethylene units, vinylamine units, and the like.
- the repeating units that the polymer (a1) may have are not limited, and may have other repeating units derived from vinyl monomers or acrylic monomers.
- the amount of vinyl alcohol units in all repeating units of the polymer (a1) is 10 mol% or more, 20 mol% or more, 30 mol% or more, 40 mol% or more, 50 mol% or more, 60 mol% or more, 70 mol% or more. , 80 mol % or more, 90 mol % or more, or 95 mol % or more, preferably 60 mol % or more.
- the amount of vinyl alcohol units in all repeating units of the polymer (a1) is 100 mol% or less, 95 mol% or less, 85 mol% or less, 75 mol% or less, 65 mol% or less, 55 mol% or less, 45 mol% or less. , 35 mol % or less, 25 mol % or less, 15 mol % or less, or 10 mol % or less.
- the degree of saponification (number of vinyl alcohol units/total number of vinyl alcohol units and vinyl acetate units) in the polymer (a1) is 10 mol% or more, 20 mol% or more, 30 mol% or more, 40 mol% or more, 50 mol% or more. , 60 mol % or more, 70 mol % or more, 80 mol % or more, 90 mol % or more, or 95 mol % or more, preferably 60 mol % or more.
- the degree of saponification in the polymer (a1) is 100 mol% or less, 95 mol% or less, 85 mol% or less, 75 mol% or less, 65 mol% or less, 55 mol% or less, 45 mol% or less, 35 mol% or less, 25 It may be mol % or less, 15 mol % or less, or 10 mol % or less.
- the amount of ethylene units in all repeating units of the polymer (a1) is 5 mol% or more, 10 mol% or more, 15 mol% or more, 20 mol% or more, 25 mol% or more, 30 mol% or more, 35 mol% or more, It may be 40 mol % or more, 45 mol % or more, or 50 mol % or more.
- the total amount of ethylene units in all repeating units of the polymer (a1) is 60 mol% or less, 55 mol% or less, 50 mol% or less, 45 mol% or less, 40 mol% or less, 35 mol% or less, 30 mol% or less. , 25 mol % or less, 20 mol % or less, 15 mol % or less, or 10 mol % or less.
- the amount of vinylamine units in all repeating units of the polymer (a1) is 5 mol% or more, 10 mol% or more, 15 mol% or more, 20 mol% or more, 25 mol% or more, 30 mol% or more, 35 mol% or more, It may be 40 mol % or more, 45 mol % or more, or 50 mol % or more.
- the total amount of ethylene units in all repeating units of the polymer (a1) is 60 mol% or less, 55 mol% or less, 50 mol% or less, 45 mol% or less, 40 mol% or less, 35 mol% or less, 30 mol% or less. , 25 mol % or less, 20 mol % or less, 15 mol % or less, or 10 mol % or less.
- the total amount of vinyl alcohol units and vinylamine units in all repeating units of the polymer (a1) is 10 mol% or more, 20 mol% or more, 30 mol% or more, 40 mol% or more, 50 mol% or more, 60 mol% or more, It may be 70 mol % or more, 80 mol % or more, 90 mol % or more, or 95 mol % or more, preferably 40 mol % or more.
- the total amount of vinyl alcohol units and vinylamine units in all repeating units of the polymer (a1) is 100 mol% or less, 95 mol% or less, 85 mol% or less, 75 mol% or less, 65 mol% or less, 55 mol% or less, It may be 45 mol % or less, 35 mol % or less, 25 mol % or less, 15 mol % or less, or 10 mol % or less.
- polymer (a1) examples include polyvinyl alcohol, ethylene-vinyl alcohol copolymer, vinyl acetate-vinyl alcohol copolymer, ethylene-vinyl acetate-vinyl alcohol copolymer, polyvinylamine, and vinylamine-vinyl alcohol.
- a copolymer etc. are mentioned.
- the weight average molecular weight of the polymer (a1) may be 1000 or more, 3000 or more, 5000 or more, 7500 or more, 10000 or more, 30000 or more, 100000 or more, 300000 or more, or 500000 or more.
- the weight average molecular weight of the polymer (a1) may be 10000000 or less, 7500000 or less, 5000000 or less, 3000000 or less, 1000000 or less, 750000 or less, 500000 or less, 300000 or less, 100000 or less, 75000 or less, or 50000 or less.
- the number of carbon atoms in the aliphatic hydrocarbon group (a2) may be 1 or more, 3 or more, 5 or more, 7 or more, 10 or more, 12 or more, 14 or more, 16 or more, 18 or more, or 20 or more, preferably 7 or more, 10 or more, or 12 or more.
- the number of carbon atoms in the aliphatic hydrocarbon group (a2) may be 40 or less, 35 or less, 30 or less, 25 or less, 22 or less, 20 or less, or 18 or less. Preferably it is 30 or less.
- the aliphatic hydrocarbon group (a2) is preferably a monovalent aliphatic hydrocarbon group.
- the aliphatic hydrocarbon group (a2) may be linear, branched or cyclic, preferably linear.
- the aliphatic hydrocarbon group (a2) may be unsaturated (e.g. monounsaturated, diunsaturated, tri-unsaturated, tetra-unsaturated or polyunsaturated) or saturated, e.g. alkyl is the base.
- aliphatic hydrocarbon group (a2) examples include n-propyl, iso-propyl, n-butyl, t-butyl, neopentyl, octyl, tridecyl, tetradecyl, pentadecyl and lauryl groups. , palmityl group, heptadecyl group, stearyl group, behenyl group, 2-ethylhexyl group and isostearyl group; and alkenyl groups such as oleyl group, palmitoyl group and eicosenyl group.
- Polyorganosiloxane group (a3) It is also possible to use polyorganosiloxane groups (a3) in place of the aliphatic hydrocarbon groups (a2) or in combination with the aliphatic hydrocarbon groups (a2).
- the polyorganosiloxane group (a3) is a group formed by bonding polyorganosiloxane to the polymer (a1), and is preferably a monovalent group.
- the method of bonding the polyorganosiloxane and the polymer (a1) is not particularly limited, and they may be bonded via the reactive groups possessed by the polyorganosiloxane.
- Polyorganosiloxanes have the formula: —(R 2 SiO) n — [wherein each R is independently a monovalent organic group and n is 1-10,000. ] may have a chemical structure represented by R is an alkyl group having 1 to 12 carbon atoms (eg, 1 to 4 carbon atoms) or a functional group (eg, hydroxyl group, amino group, mercapto group, epoxy group, carboxyl group, halogen-substituted alkyl group, vinyl group, (meth)acrylate (meth)acrylamide groups, etc.).
- n may be 1 or more, 2 or more, 10 or more, 30 or more, or 100 or more, and may be 10,000 or less, 5,000 or less, 1,000 or less, or 500 or less.
- the terminal structure of polyorganosiloxane may be a hydrogen atom, an alkyl group, a hydroxyl group, a silanol group, or a trialkylsilyl group.
- the modification rate of the aliphatic hydrocarbon group (a2) in the polymer (A) is 5 mol% or more, 10 mol% or more, 15 mol% or more with respect to the total amount of hydroxyl groups and amino groups of the polymer (a1), It may be 20 mol % or more, 25 mol % or more, 30 mol % or more, 35 mol % or more, 40 mol % or more, 45 mol % or more, or 50 mol % or more, preferably 25 mol % or more.
- the modification rate of the aliphatic hydrocarbon group (a2) in the polymer (A) is 100 mol% or less, 90 mol% or less, 80 mol% or less with respect to the total amount of hydroxyl groups and amino groups of the polymer (a1), It may be 70 mol % or less, 60 mol % or less, or 50 mol % or less.
- the modification rate of the polyorganosiloxane group (a3) is the hydroxyl group and amino It may be 0.1 mol% or more, 1 mol% or more, 3 mol% or more, 5 mol% or more, 10 mol% or more, or 25 mol% or more with respect to the total amount of the groups, and the polymer (a1) is It may be 50 mol % or less, 30 mol % or less, 15 mol % or less, 10 mol % or less, or 5 mol % or less based on the total amount of hydroxyl groups and amino groups possessed.
- the modification rate of the polyorganosiloxane group (a3) is the modification rate of the aliphatic hydrocarbon group (a2).
- rate may be 0.01 times or more, 0.1 times or more, or 0.3 times or more, and 3 times or less, 1 time or less, or 0.5 times the modification rate of the aliphatic hydrocarbon group (a2) may be:
- the polymer (A) may not have a fluoroalkyl group (particularly a perfluoroalkyl group) having 1 or more, 3 or more, 6 or more, or 8 or more carbon atoms.
- Polymer (A) may be a non-fluoropolymer having no fluorine atoms.
- the oil resistant agent in the present disclosure can develop good oil resistance without using a polymer having a fluoroalkyl group or a fluorine atom.
- the weight average molecular weight of the polymer (A) may be 1000 or more, 3000 or more, 5000 or more, 7500 or more, 10000 or more, 30000 or more, 100000 or more, 300000 or more, or 500000 or more.
- the weight average molecular weight of the polymer (A) may be 10000000 or less, 7500000 or less, 5000000 or less, 3000000 or less, 1000000 or less, 750000 or less, 500000 or less, 300000 or less, 100000 or less, 75000 or less, or 50000 or less.
- the contact angle of n-hexadecane (on a glass substrate) with respect to the polymer (A) is 5° or more, 10° or more, or 15° or more, preferably 20° or more, 25° or more, or 30° or more, more preferably , 35° or more, 40° or more, or 45° or more.
- the contact angle of n-hexadecane is within the above range, the oil-resistant agent has excellent liquid repellency, which is particularly preferable from the viewpoint of oil resistance.
- the contact angle may be measured by the method described in Examples.
- a chloroform solution having a polymer (A) concentration of 1.0% is spin-coated on a glass substrate to which a cellophane film is attached, and 2 ⁇ L of hexadecane (HD) is dropped onto the resulting coating film. It may be a static contact angle obtained by measuring the contact angle one second after droplet deposition.
- the melting point of the polymer (A) is preferably 40°C or higher, 50°C or higher, 60°C or higher, 70°C or higher, 80°C or higher, 90°C or higher, 100°C or higher, 120°C or higher, or 140°C or higher. . Moreover, the melting point of the polymer (A) is preferably 200° C. or lower, 180° C. or lower, or 160° C. or lower. When the melting point of the polymer (A) is in the above range, the coatability and temperature resistance when treated on textile products are improved, and it is particularly preferable from the viewpoint of oil resistance.
- the glass transition temperature of the polymer (A) is preferably 30°C or higher, 40°C or higher, 50°C or higher, 60°C or higher, 70°C or higher, 80°C or higher, 90°C or higher, or 100°C or higher. Moreover, the glass transition temperature of the polymer (A) is preferably 140° C. or lower, 130° C. or lower, or 120° C. or lower. When the glass transition temperature of the polymer (A) is within the above range, the coatability and resistance to temperature when treated on textile products are improved, and it is particularly preferable from the viewpoint of oil resistance and the like.
- the amount of the polymer (A) is 0.1% by weight or more, 1% by weight or more, 3% by weight or more, 5% by weight or more, 10% by weight or more, 25% by weight or more, 50% by weight or more with respect to the oil resistant agent. , or 75% by weight or more.
- the amount of polymer (A) may be 100 wt% or less, 95 wt% or less, 75 wt% or less, 50 wt% or less, or 25 wt% or less relative to the oil resistant agent.
- Polymer (A) can be produced by modifying polymer (a1) with an aliphatic hydrocarbon group (a2).
- the method for modifying the polymer (a1) with the aliphatic hydrocarbon group (a2) is not particularly limited.
- methods such as urethane bond-forming reaction, urea bond-forming reaction, ester bond-forming reaction, amide bond-forming reaction, and ether bond-forming reaction can be used. That is, the polymer (a1) and the aliphatic hydrocarbon group (a2) are bonded by at least one bond selected from the group consisting of urea bonds, urethane bonds, ester bonds, amide bonds, and ether bonds. good.
- acylating agents, condensing agents, catalysts and the like are appropriately used.
- Modification of the aliphatic hydrocarbon group (a2) to the polymer (a1) is carried out by reacting the functional group (hydroxyl group or amino group) of the polymer (a1) with an aliphatic hydrocarbon group-containing reactant.
- the "aliphatic hydrocarbon group-containing reactant” is a compound having a group capable of reacting with the aliphatic hydrocarbon group (a2) and the functional group of the polymer (a1).
- the polymer (a1) and the aliphatic hydrocarbon group (a2) may be bonded via a urethane bond.
- the urethane bond in the polymer (A) may be formed, for example, by reacting the hydroxyl group-containing polymer (a1) with an aliphatic hydrocarbon-containing isocyanate.
- a tin catalyst or an amine can be used as a catalyst during the reaction.
- hydroxyl group-containing polymer (a1) and an aliphatic hydrocarbon group-containing isocyanate are reacted for a certain period of time in an organic solvent, the hydroxyl group reacts with the isocyanate group to form the polymer (a1) and the aliphatic hydrocarbon group (a2).
- a polymer (A) in which is bound by a urethane bond is obtained.
- the polymer (a1) and the aliphatic hydrocarbon group (a2) may be bonded via a urea bond.
- the urea bond in the polymer (A) may be formed, for example, by reacting the amino group-containing polymer (a1) with an aliphatic hydrocarbon group-containing isocyanate group.
- a catalyst may be used as appropriate during the reaction. For example, if the amino group-containing polymer (a1) reacts with an aliphatic hydrocarbon-containing isocyanate in an organic solvent for several hours, the amino group reacts with the isocyanate group, and the polymer (a1) and the aliphatic hydrocarbon group (a2 ) are linked by urea bonds to obtain a polymer (A).
- ester bond formation In the polymer (A), the polymer (a1) and the aliphatic hydrocarbon group (a2) may be bonded via an ester bond.
- the ester bond in the polymer (A) may be formed, for example, by reacting the hydroxyl group-containing polymer (a1) with an aliphatic hydrocarbon group-containing carboxylic acid.
- An acylation catalyst, a condensing agent, or the like may be used during the reaction.
- hydroxyl group-containing polymer (a1) and an aliphatic hydrocarbon group-containing carboxylic acid are reacted for several hours in an organic solvent, the hydroxyl group reacts with the carboxylic acid, and the polymer (a1) and the aliphatic hydrocarbon group (a2 ) are linked via an ester bond to obtain a polymer (A).
- the polymer (a1) and the aliphatic hydrocarbon group (a2) may be bonded via an amide bond.
- the amide bond in the polymer (A) may be formed, for example, by reacting the amino group-containing polymer (a1) with an aliphatic hydrocarbon group-containing carboxylic acid.
- An acylation catalyst, a condensing agent, or the like may be used during the reaction.
- amino group-containing polymer (a1) and an aliphatic hydrocarbon group-containing carboxylic acid are reacted in an organic solvent for several hours, the amino group reacts with the carboxylic acid, and the polymer (a1) and the aliphatic hydrocarbon group A polymer (A) in which (a2) is linked via an amide bond is obtained.
- the polymer (a1) and the aliphatic hydrocarbon group (a2) may be bonded via an ether bond.
- the ether bond in the polymer (A) may be formed, for example, by reacting the hydroxyl group-containing polymer (a1) with an aliphatic hydrocarbon group-containing alcohol.
- An acid catalyst, postponement catalyst, or the like may be used during the reaction.
- the aliphatic hydrocarbon group-containing alcohol acts as a nucleophile to form a polymer A polymer (A) is obtained in which (a1) and the aliphatic hydrocarbon group (a2) are linked via an ether bond.
- the anti-oil agent may contain a liquid medium.
- the liquid medium is water alone, an organic solvent alone, or a mixture of water and an organic solvent, preferably water alone or a mixture of water and an organic solvent.
- organic solvents examples include esters (e.g., esters having 2 to 30 carbon atoms, specifically ethyl acetate and butyl acetate), ketones (e.g., ketones having 2 to 30 carbon atoms, specifically methyl ethyl ketone, diisobutyl ketone), alcohols (eg, mono- to trihydric alcohols having 1 to 30 carbon atoms, specifically isopropyl alcohol), ethers, alkanes, toluene-based solvents, halogenated carbons, and the like.
- esters e.g., esters having 2 to 30 carbon atoms, specifically ethyl acetate and butyl acetate
- ketones e.g., ketones having 2 to 30 carbon atoms, specifically methyl ethyl ketone, diisobutyl ketone
- alcohols eg, mono- to trihydric alcohols having 1 to 30 carbon atoms, specifically isopropyl alcohol
- solvents include acetone, isopropyl alcohol, chloroform, HCHC225, pentane, hexane, heptane, octane, cyclohexane, benzene, toluene, xylene, petroleum ether, tetrahydrofuran, 1,4-dioxane, methyl ethyl ketone, and methyl isobutyl ketone.
- diisobutyl ketone diisobutyl ketone, ethyl acetate, butyl acetate, 1,1,2,2-tetrachloroethane, 1,1,1-trichloroethane, trichlorethylene, perchlorethylene, tetrachlorodifluoroethane, trichlorotrifluoroethane and mixed solvents thereof, etc. mentioned. These may be used alone, or two or more of them may be used in combination.
- the amount of the liquid medium may be 30% by weight or more, 50% by weight or more, 60% by weight or more, 75% by weight or more, or 90% by weight or more with respect to the oil resistant agent.
- the amount of liquid medium may be 95 wt% or less, 75 wt% or less, or 50 wt% or less relative to the oil resistant agent.
- the amount of the organic solvent is 3% by weight or more, 10% by weight or more, 30% by weight or more, 50% by weight or more, or 75% by weight or more with respect to the liquid medium. It's okay.
- the amount of organic solvent may be 90% or less, 50% or less, 30% or less, or 10% or less by weight relative to the liquid medium.
- the anti-oil agent may or may not contain a surfactant (emulsifier) or dispersant.
- a surfactant or dispersant is added in an amount of 0.01 to 100 parts by weight, 0.01 to 80 parts by weight, based on 100 parts by weight of the polymer (A). parts by weight, 0.01 to 60 parts by weight, 0.01 to 40 parts by weight, 0.01 to 30 parts by weight, or 0.01 to 15 parts by weight.
- the surfactant or dispersant may be added when the polymer (A) powder is mixed with water, and is added when preparing an aqueous dispersion by forced emulsification or phase inversion emulsification of the polymer (A).
- the surfactant preferably contains one or more surfactants selected from nonionic surfactants, cationic surfactants, anionic surfactants, and amphoteric surfactants. It is preferred to use a combination of nonionic and cationic surfactants.
- Each of nonionic surfactants, cationic surfactants, and amphoteric surfactants may be one or a combination of two or more.
- Dispersants include polymer dispersants.
- Examples of polymer dispersants include styrene/maleic anhydride copolymer, polystyrene sulfonate, polyacrylic acid, polyacrylic acid salt, polyacrylamide, acrylamide/acrylic acid copolymer, polyvinyl alcohol, and carboxymethyl cellulose. .
- the amount of surfactant or dispersant is 0.01 to 100 parts by weight, 0.01 to 80 parts by weight, 0.01 to 60 parts by weight, 0.01 to 40 parts by weight with respect to 100 parts by weight of the polymer (A) parts by weight, 0.01 to 30 parts by weight, or 0.01 to 15 parts by weight.
- Addition of a surfactant or dispersant generally improves the stability of the aqueous dispersion and the permeability to textile products.
- the oil resistant agent may contain other additives.
- additives include polysaccharides, paper strength agents, flocculants, yield improvers, coagulants, binder resins, dispersants, water resistance agents, oil resistance agents, water repellent agents, oil repellent agents, drying speed control agents, cross-linking agent, film-forming aid, compatibilizer, antifreeze agent, viscosity modifier, ultraviolet absorber, antioxidant, pH adjuster, antifoaming agent, texture adjuster, slip adjuster, antistatic agent, hydrophilization agents, antibacterial agents, preservatives, insect repellents, fragrances, flame retardants, sizing agents, paper strength agents, and the like.
- the amount of other additives is 0.1 to 100 parts by weight, 0.1 to 80 parts by weight, 0.1 to 60 parts by weight, and 0.1 to 40 parts by weight with respect to 100 parts by weight of the polymer (A). parts by weight, 0.1 to 20 parts by weight, or 0.1 to 10 parts by weight.
- the oil resistant agent preferably contains at least one selected from the group consisting of polysaccharides, paper strength agents, coagulants, retention aids, and coagulants.
- polysaccharides examples include starch, xanthan gum, karaya gum, welan gum, guar gum, pectin, tamarind gum, carrageenan, chitosan, gum arabic, locust bean gum, cellulose, alginic acid, agar, dextran, and pullulan.
- Polysaccharides may be substituted modified polysaccharides, particularly modified polysaccharides into which hydroxyl groups or cationic groups have been introduced.
- paper strength agents, flocculants, retention agents or coagulants include styrene polymers (styrene/maleic acid polymers, styrene/acrylic acid polymers), urea-formaldehyde polymers, polyethyleneimine, melamine -formaldehyde polymer, polyamidoamine-epichlorohydrin polymer, polyacrylamide polymer, polyamine polymer, polydiallyldimethylammonium chloride, alkylamine/epichlorohydrin condensate, condensate of alkylenedichloride and polyalkylenepolyamine, dicyandiamide/formalin condensation dimethyldiallylammonium chloride polymer, and olefin/maleic anhydride polymer.
- styrene polymers styrene/maleic acid polymers, styrene/acrylic acid polymers
- urea-formaldehyde polymers polyethyleneimine,
- Oil-resistant agents are not limited to oil-resistant agents, and can be used as various agents such as water-resistant agents, water-repellent agents, oil-repellent agents, antifouling agents, stain release agents, release agents, or release agents, or components thereof.
- the anti-oil agent can be used as an external treatment agent (surface treatment agent) or an internal treatment agent or a component thereof.
- the polymer (A) By treating the base material with an oil resistant agent, the polymer (A) can form a surface coating structure on the base material surface.
- Treatment means applying a treatment agent to an object to be treated by dipping, spraying, coating, or the like.
- the polymer (A) which is the active ingredient of the oil resistant agent, permeates into the material to be treated and/or adheres to the surface of the material to be treated.
- the treated object (substrate) is dried in order to develop oil resistance, and is preferably heated at a temperature equal to or higher than the Tg of the copolymer, for example, 100° C. to 200° C. .
- a temperature equal to or higher than the Tg of the copolymer for example, 100° C. to 200° C.
- the surface of the substrate is coated with the copolymer, and side chain alignment is induced. Thereby, a surface coating structure having excellent oil resistance can be formed.
- the surface coating structure can be formed by applying an oil-resistant agent to the object to be treated (substrate) by a conventionally known method, thereby adhering the polymer (A) to the surface of the substrate.
- the oil-resistant agent is dispersed in an organic solvent or water to be diluted, and then applied to the surface of the object to be treated by a known method such as dip coating, spray coating, foam coating, etc., followed by drying.
- a suitable cross-linking agent for example, a blocked isocyanate compound
- insect repellents, softeners, antibacterial agents, flame retardants, antistatic agents, paint fixatives, anti-wrinkle agents, sizing agents, paper strength agents and the like to the oil resistant agents and use them together.
- Substrates to be treated with the oil resistant agent of the present disclosure include textile products such as cloth and paper products, stone, filters (e.g., electrostatic filters), dust masks, fuel cell parts (e.g., gas diffusion electrodes and gas diffusion substrates), glass, wood, leather, fur, asbestos, brick, cement, metals and oxides, ceramics, plastics, painted surfaces, and plaster.
- the polymer (A) contained in the oil resistant agent of the present disclosure adheres well to the paper substrate (physically or chemically bonds), so the substrate treated with the oil resistant agent of the present disclosure is a paper product. is preferred. That is, the oil-resistant agent in the present disclosure can be suitably used as an oil-resistant agent for paper products.
- paper products include bleached or unbleached chemical pulp such as kraft pulp or sulfite pulp, high-yield bleached or unbleached pulp such as groundwood pulp, mechanical pulp or thermomechanical pulp, waste newspaper, waste magazine paper, waste corrugated board.
- Other examples include paper made of waste paper pulp such as deinked waste paper, containers made of paper, molded articles made of paper, and the like.
- Specific examples of paper products include food packaging paper, food containers, gypsum board base paper, coated base paper, medium-quality paper, general liner and core, neutral pure white roll paper, neutral liner, anti-rust liner and metal alloy.
- the oil resistant agent can be applied to the fibrous substrate by any of the methods known for treating textiles with liquids.
- the treatment may be an external addition treatment or an internal addition treatment.
- the textile product is cloth
- the cloth may be soaked in the solution, or the solution may be applied or sprayed onto the cloth.
- the fiber product is paper
- the paper may be coated, the solution may be adhered or sprayed on the paper, or the paper may be mixed with a pulp slurry prior to papermaking.
- the oil resistant agents may be applied to pre-formed textiles (particularly paper, fabric, etc.) or may be applied at various stages of papermaking, such as during drying of the paper.
- the anti-grease agent may be applied to the textile by a cleaning method, such as in a laundering application or dry-cleaning method.
- the amount of the oil-resistant agent for paper is 0.1 part by weight or more, 0.5% by weight or more, 1 part by weight or more, based on 100 parts by weight of the pulp, when the solid content of the polymer (A) is 0.1 part by weight or more, 1 part by weight or more, The amount may be 5 parts by weight or more, 10 parts by weight or more, 20 parts by weight or more, or 30 parts by weight or more.
- the amount of the oil resistant agent for paper is 80 parts by weight or less, 60 parts by weight or less, 40 parts by weight or less, 20 parts by weight or less, or 10 parts by weight or less per 100 parts by weight of the pulp in which the solid content of the polymer (A) is The amount may be In the external addition, the amount of the polymer (A) contained in the oil resistant layer is 0.01 g/m 2 or more, 0.03 g/m 2 or more, 0.05 g/m 2 or more, 0.10 g/m 2 or more, It may be 0.30 g/m 2 or more, or 0.50 g or more.
- the amount of polymer (A) contained in the oil resistant layer is 5 g/m 2 or less, 3 g/m 2 or less, 2 g/m 2 or less, 1.5 g/m 2 or less, 0.30 g/m 2 or less, or 0.3 g/m 2 or less. It may be 50 g/m 2 or less.
- Polymer (A) solution (or oil-resistant agent) (concentration 14.8 mg/mL) was applied to a base paper of paper having a paper density of 0.58 g/cm 3 and a basis weight of 45 g/m 2 with a baker type applicator set to 0 mil.
- the air permeability of the treated paper prepared by repeating the operation of coating with - and drying three times and annealing at 70 ° C. for 10 minutes is 200 s/100 cc or more, 300 s/100 cc or more, 500 s/100 cc or more, 700 s/100 cc. or more, or 1000s/100cc or more.
- the air permeability of the treated paper is equal to or higher than the above value, the voids between the fibers are closed, and particularly the oil resistance can be improved.
- Pulp slurry in which the weight ratio of LBKP (bleached broadleaf tree kraft pulp) and NBKP (bleached softwood kraft pulp) is 60% by weight and 40% by weight as wood pulp, and the pulp freeness is 400 ml (Canadian Standard Freeness). is added to this pulp slurry, and a fourdrinier paper machine is used to externally add paper with a paper density of 0.58 g/cm 3 and a basis weight of 45 g/m 2 (size press processing).
- This base paper had an oil resistance (KIT value) of 0 and a water resistance (Cobb value) of 52 g/m 2 .
- a polymer solution having a concentration of 14.9 mg/cm 3 of the polymer specified in the following examples or comparative examples was applied to this base paper with a baker applicator with a gap of 0 mil, and dried.
- a treated paper was prepared by repeating the operation three times and annealing at 70° C. for 10 minutes.
- Liquid repellency was determined by spin-coating a 1.0% concentration chloroform solution of a polymer specified in the following Examples or Comparative Examples onto a glass substrate to which a cellophane film was attached, and measuring the static contact angle.
- the static contact angle was obtained by dropping 2 ⁇ L of hexadecane (HD) onto the coating film and measuring the contact angle 1 second after the drop was applied.
- HD hexadecane
- Air Permeability The air permeability (air resistance) of the treated paper was measured using an automatic Gurley-type densometer manufactured by Yasuda Seiki Seisakusho Co., Ltd. (Product No. 323-AUTO, vent hole diameter 28.6 ⁇ 0.1 mm) to JIS P8117. (2009).
- Example 1 A stirrer and 0.98 g of polyvinyl alcohol (degree of saponification: 87.8 mol%, hydroxyl group content: 87.8 mol%) were placed in a reaction vessel equipped with a reflux condenser and a nitrogen inlet tube, and dried under reduced pressure at 80°C for 1 hour. rice field. 60 mL of toluene and 5.9 g of octadecyl isocyanate (115 mol % with respect to OH of the repeating unit) were added, and the mixture was stirred at 75° C. for 1 hour. Then, the temperature was returned to room temperature, and 0.1 g of dibutyltin dilaurate was added. The temperature was changed to 120° C.
- Example 2 The reaction and treatment were carried out in the same manner as in Example 1, except that the amount of octadecyl isocyanate added was changed to 3.0 g (57 mol % with respect to the repeating unit OH) and the reaction solvent was changed to dimethylsulfoxide. Table 1 shows the results.
- Example 3 A stirrer and 0.76 g of ethylene-vinyl alcohol copolymer (ethylene content: 38 mol%, hydroxyl group content: 62 mol%) were placed in a reaction vessel equipped with a reflux condenser and a nitrogen inlet tube, and dried under reduced pressure at 80°C for 1 hour. did 45 mL of dimethyl sulfoxide and 3.7 g of octadecyl isocyanate (100 mol % with respect to OH of the repeating unit) were added and stirred at 75° C. for 1 hour. Then, the temperature was returned to room temperature, and 0.1 g of dibutyltin dilaurate was added. The temperature was changed to 140° C.
- Example 4 The reaction and treatment were carried out in the same manner as in Example 3, except that the amount of octadecyl isocyanate added was changed to 1.8 g (50 mol % with respect to the repeating unit OH). Table 1 shows the results.
- Example 5 A stirrer and 0.98 g of polyvinyl alcohol (degree of saponification: 87.8 mol%, hydroxyl group content: 87.8 mol%) were placed in a reaction vessel equipped with a reflux condenser and a nitrogen inlet tube, and dried under reduced pressure at 80°C for 1 hour. rice field. After adding 30 mL of dimethyl sulfoxide and dissolving at 80° C., 6.2 g of vinyl stearate (115 mol % with respect to OH of the repeating unit) and 0.002 g of sodium acetate were added and stirred at 80° C. for 48 hours.
- the reaction vessel was cooled to room temperature, and the reaction mixture was added dropwise to methanol to precipitate a solid.
- the precipitated solid is collected by suction filtration, washed once with methanol and once with acetone.
- the recovered solid was reprecipitated using chloroform as a good solvent and methanol as a poor solvent to obtain a polymer in which polyvinyl alcohol was modified with vinyl stearate. Using this polymer, liquid repellency, KIT test, and air permeability were evaluated. Table 1 shows the results.
- Example 6 The reaction and treatment were carried out in the same manner as in Example 5, except that the amount of vinyl stearate added was changed to 3.1 g (57 mol % with respect to the repeating unit OH). Table 1 shows the results.
- Example 7 Polyvinyl alcohol was changed to ethylene-vinyl alcohol copolymer (ethylene content 38 mol%, hydroxyl group content 62 mol%), and 6.2 g of vinyl stearate was changed to 5.0 g (100 mol% with respect to OH of the repeating unit). Except for this, the reaction and treatment were carried out in the same manner as in Example 5. Table 1 shows the results.
- Example 8 Polyvinyl alcohol was changed to ethylene-vinyl alcohol copolymer (ethylene content 38 mol%), and 6.2 g of vinyl stearate was changed to 2.5 g (50 mol% with respect to OH of the repeating unit). Reacted and treated in the same way. Table 1 shows the results.
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Abstract
Description
[項1]
水酸基及びアミノ基からなる群から選択される少なくとも一つを有する重合体(a1)に炭素数1~40の脂肪族炭化水素基(a2)を修飾してなる重合体(A)を含む耐油剤。
[項2]
前記脂肪族炭化水素基(a2)の炭素数が7以上である、項1に記載の耐油剤。
[項3]
前記重合体(a1)と前記脂肪族炭化水素基(a2)とが、ウレタン結合、ウレア結合、エステル結合、アミド結合、及びエーテル結合からなる群から選択される少なくとも一つの結合により結合している、項1又は2に記載の耐油剤。
[項4]
前記重合体(a1)がポリビニルアルコール、エチレン-ビニルアルコール共重合体、酢酸ビニル-ビニルアルコール共重合体、エチレン-酢酸ビニル-ビニルアルコール共重合体、ポリビニルアミン、及びビニルアミン-ビニルアルコール共重合体からなる群から選択される少なくとも一つである項1~3のいずれか一項に記載の耐油剤。
[項5]
前記重合体(a1)の全繰り返し単位におけるビニルアルコール単位及びビニルアミン単位の合計量が40モル%以上である、項1~4のいずれか一項に記載の耐油剤。
[項6]
前記重合体(A)における前記脂肪族炭化水素基(a2)の修飾率が、前記重合体(a1)が有する水酸基及びアミノ基の合計量に対して25モル%以上100モル%以下である、項1~5のいずれか一項に記載の耐油剤。
[項7]
重合体(A)が非フッ素重合体である、項1~6のいずれか一項に記載の耐油剤。
[項8]
さらに、水、有機溶媒、又は水と有機溶媒の混合物を含み、分散液又は溶液である、項1~7のいずれか一項に記載の耐油剤。
[項9]
さらに、多糖類、紙力増強剤、凝集剤、歩留まり向上剤、及び凝結剤から選択された少なくとも一種を含む、項1~8のいずれか一項に記載の耐油剤。
[項10]
紙製品用である項1~9のいずれか一項に記載の耐油剤。
[項11]
前記紙製品が食品用包装材又は食品用容器である、項10に記載の耐油剤。
[項12]
項1~11のいずれか一項に記載の耐油剤によって処理された紙製品。
[項13]
食品用包装材又は食品用容器である項12に記載の紙製品。
[項14]
水酸基及びアミノ基からなる群から選択される少なくとも一つを有する重合体(a1)に炭素数1~40の脂肪族炭化水素基(a2)を修飾してなる重合体(A)を含む耐油剤であって、前記重合体(a1)と前記脂肪族炭化水素基(a2)とがエステル結合により結合している、耐油剤。
耐油剤は、基材に処理することによって、基材に耐油性を付与する。耐油性が付与された基材は油染みを防止する性質を有し、さらに、撥油性、又は防汚性などを有してもよい。ここで油とは、油脂や有機溶剤を指し、油脂としては食用油脂(植物性脂肪油、動物性脂肪油、植物性脂肪、動物性脂肪)、工業油脂が挙げられ、食用油脂としては、サラダ油、コーン油、ごま油、菜種油、オリーブオイル、工業油脂としてはひまし油が挙げられ、有機溶剤は極性溶媒、非極性溶媒でもよく、非極性溶媒としてはヘキサン、ヘキサデカン等が挙げられるがこれらに限定されない。油は少なくとも油脂を含んでいてもよい。耐油剤は、基材に処理することによって、基材に耐水性、及び/又は撥水性を付与してよい。
本開示における耐油剤は重合体(A)を含む。重合体(A)は水酸基又はアミノ基を含有する重合体(a1)に炭素数1~40の脂肪族炭化水素基(a2)を修飾してなるものである。ここで、重合体(a1)に脂肪族炭化水素基(a2)を修飾するとは、重合体(a1)に脂肪族炭化水素基(a2)を化学的に結合させることをいう。つまり、重合体(A)は重合体(a1)と脂肪族炭化水素基(a2)とが化学的に結合したものである。
重合体(a1)は水酸基及びアミノ基からなる群から選択される少なくとも一つを有する。重合体(a1)は水酸基のみ、アミノ基のみ、又は水酸基とアミノ基の両方を有してもよいし、加えてカルボキシル基等の官能基を有していても良い。重合体(a1)は合成高分子又は天然高分子であってよく、例としてはビニル基CH2=CH-またはビニリデン基CH2=C=を有するモノマーを重合して得られるビニルポリマーが挙げられる。重合体(a1)はアクリルモノマーから誘導された繰り返し単位を有するアクリルポリマーであってもよいが、アクリルポリマーでなくてもよい。重合体(a1)は熱硬化性樹脂又は熱可塑性樹脂であり、熱可塑性樹脂であることが好ましい。
-(-CH2-CHOH-)-
で示される繰り返し単位である。ポリビニルアルコールは例えばポリ酢酸ビニルの鹸化によって製造される。
-(-CH2-CH(OCOCH3)-)-
で示される繰り返し単位である。
脂肪族炭化水素基(a2)の炭素数は、1以上、3以上、5以上、7以上、10以上、12以上、14以上、16以上、18以上、又は20以上であってよく、好ましくは7以上、10以上、又は12以上である。脂肪族炭化水素基(a2)の炭素数は、40以下、35以下、30以下、25以下、22以下、20以下、又は18以下であってよい。好ましくは30以下である。
脂肪族炭化水素基(a2)に代えて、又は脂肪族炭化水素基(a2)と組み合わせて、ポリオルガノシロキサン基(a3)を用いることも可能である。ポリオルガノシロキサン基(a3)は、ポリオルガノシロキサンが重合体(a1)に結合して生成される基であり、好ましくは一価の基である。ポリオルガノシロキサンと重合体(a1)とを結合させる方法は特に限定されず、ポリオルガノシロキサンが有する反応性基を介して結合させてよい。
-(R2SiO)n-
[式中、各Rは独立して一価の有機基であり、nは1~10000である。]
で示される化学構造を有していてよい。Rは炭素数1~12(例えば炭素数1~4)のアルキル基又は官能基(例えば、水酸基、アミノ基、メルカプト基、エポキシ基、カルボキシル基、ハロゲン置換アルキル基、ビニル基、(メタ)アクリレート基、及び(メタ)アクリルアミド基等)を有する有機基であってよい。nは1以上、2以上、10以上、30以上、又は100以上であってよく、10000以下、5000以下、1000以下、又は500以下であってよい。ポリオルガノシロキサンの末端構造は、水素原子、アルキル基、水酸基、シラノール基、又はトリアルキルシリル基であってよい。
重合体(A)における脂肪族炭化水素基(a2)の修飾率は重合体(a1)が有する水酸基及びアミノ基の合計量に対して5モル%以上、10モル%以上、15モル%以上、20モル%以上、25モル%以上、30モル%以上、35モル%以上、40モル%以上、45モル%以上、又は50モル%以上であってよく、好ましくは25モル%以上である。重合体(A)における脂肪族炭化水素基(a2)の修飾率は重合体(a1)が有する水酸基及びアミノ基の合計量に対して100モル%以下、90モル%以下、80モル%以下、70モル%以下、60モル%以下、又は50モル%以下であってよい。
重合体(A)についてn-ヘキサデカンの接触角(ガラス基板上)は5°以上、10°以上、又は15°以上、好ましくは、20°以上、25°以上、又は30°以上、さらに好ましくは、35°以上、40°以上、又は45°以上であってよい。n-ヘキサデカンの接触角が上記範囲にあることで耐油剤が撥液性に優れ、特に耐油性の観点等から好ましい。ここで、接触角は実施例に記載の方法により測定したものであってよい。具体的には、重合体(A)濃度1.0%のクロロホルム溶液をセロファンフィルムを貼付したガラス基板上にスピンコートし、得られた塗膜上に、2μLのヘキサデカン(HD)を滴下し、着滴1秒後の接触角を測定して得られる静的接触角であってよい。
重合体(A)の量は、耐油剤に対して0.1重量%以上、1重量%以上、3重量%以上、5重量%以上、10重量%以上、25重量%以上、50重量%以上、又は75重量%以上であってよい。重合体(A)の量は、耐油剤に対して100重量%以下、95重量%以下、75重量%以下、50重量%以下、又は25重量%以下であってよい。
重合体(A)は重合体(a1)に脂肪族炭化水素基(a2)を修飾することにより製造することができる。重合体(a1)に脂肪族炭化水素基(a2)を修飾する方法としては特に限定されない。例えば、ウレタン結合形成反応、ウレア結合形成反応、エステル結合形成反応、アミド結合形成反応、及びエーテル結合形成反応等の方法を用いることができる。すなわち、重合体(a1)と脂肪族炭化水素基(a2)とが、ウレア結合、ウレタン結合、エステル結合、アミド結合、及びエーテル結合からなる群から選択される少なくとも一つの結合により結合していてよい。結合形成反応においては、アシル化剤、縮合剤、触媒等が適宜使用される。
H2N-R
HO-R
HO(O=)C-R
X(O=)C-R
RC(=O)OC(=O)R
O=C=N-R
S=C=N-R
(CH2OCH)CH2OR
X-R
[式中、各々のRは独立して脂肪族炭化水素基(a2)であり、XはF、Cl、Br、又はIである。]
重合体(A)において、重合体(a1)と脂肪族炭化水素基(a2)とが、ウレタン結合により結合していてよい。重合体(A)におけるウレタン結合は、例えば、水酸基含有重合体(a1)と、脂肪族炭化水素含有イソシアネートを反応させることで、形成されてもよい。反応時に錫触媒やアミンを触媒として使用することができる。例えば、有機溶媒中で水酸基含有重合体(a1)と脂肪族炭化水素基含有イソシアネートと一定時間反応すれば水酸基がイソシアネート基と反応し、重合体(a1)と脂肪族炭化水素基(a2)とがウレタン結合により結合している重合体(A)が得られる。
重合体(A)において、重合体(a1)と脂肪族炭化水素基(a2)とが、ウレア結合により結合していてよい。重合体(A)におけるウレア結合は、例えば、アミノ基含有重合体(a1)と、脂肪族炭化水素基含有イソシアネート基を反応させることで、形成されてもよい。反応時に適宜触媒を利用してもよい。例えば、有機溶媒中でアミノ基含有重合体(a1)と脂肪族炭化水素含有イソシアネートと数時間反応すれば、アミノ基がイソシアネート基と反応し、重合体(a1)と脂肪族炭化水素基(a2)とがウレア結合により結合している重合体(A)が得られる。
重合体(A)において、重合体(a1)と脂肪族炭化水素基(a2)とが、エステル結合により結合していてよい。重合体(A)におけるエステル結合は、例えば、水酸基含有重合体(a1)と、脂肪族炭化水素基含有カルボン酸を反応させることで、形成されてもよい。反応時にアシル化触媒や縮合剤等を利用してもよい。例えば、有機溶媒中で水酸基含有重合体(a1)と脂肪族炭化水素基含有カルボン酸を数時間反応すれば、水酸基がカルボン酸と反応し、重合体(a1)と脂肪族炭化水素基(a2)とがエステル結合により結合している重合体(A)が得られる。
重合体(A)において、重合体(a1)と脂肪族炭化水素基(a2)とが、アミド結合により結合していてよい。重合体(A)におけるアミド結合は、例えば、アミノ基含有重合体(a1)と、脂肪族炭化水素基含有カルボン酸を反応させることで、形成されてもよい。反応時にアシル化触媒や縮合剤等を利用してもよい。例えば、有機溶媒中でアミノ基含有重合体(a1)と脂肪族炭化水素基含有カルボン酸を数時間反応すれば、アミノ基がカルボン酸と反応し、重合体(a1)と脂肪族炭化水素基(a2)とがアミド結合により結合している重合体(A)が得られる。
重合体(A)において、重合体(a1)と脂肪族炭化水素基(a2)とが、エーテル結合により結合していてよい。重合体(A)におけるエーテル結合は、例えば、水酸基含有重合体(a1)と、脂肪族炭化水素基含有アルコールを反応させることで、形成されてもよい。反応時に酸触媒、延期触媒等を利用してもよい。例えば、有機溶媒中で水酸基含有重合体(a1)と脂肪族炭化水素基含有アルコールを、触媒下、加熱して反応すれば、脂肪族炭化水素基含有アルコールが求核剤として働いて、重合体(a1)と脂肪族炭化水素基(a2)とがエーテル結合により結合している重合体(A)が得られる。
耐油剤は、液状媒体を含有してよい。液状媒体は水の単独、有機溶媒の単独、又は水と有機溶媒の混合物であり、好ましくは水の単独又は水と有機溶媒の混合物である。
耐油剤は、界面活性剤(乳化剤)又は分散剤を含有しなくてもよいし、あるいは含有していてもよい。一般に、重合体(A)の水分散体の安定化のために、界面活性剤又は分散剤を、重合体(A)100重量部に対して0.01~100重量部、0.01~80重量部、0.01~60重量部、0.01~40重量部、0.01~30重量部、又は0.01~15重量部で添加してもよい。界面活性剤又は分散剤は、重合体(A)の粉末を水との混合時に添加してもよく、重合体(A)を強制乳化、転相乳化により水分散体を作製する際に添加してもよい。
耐油剤は、その他添加剤を含有してもよい。その他添加剤の例は、多糖類、紙力増強剤、凝集剤、歩留まり向上剤、凝結剤、バインダー樹脂、分散剤、耐水剤、耐油剤、撥水剤、撥油剤、乾燥速度調整剤、架橋剤、造膜助剤、相溶化剤、凍結防止剤、粘度調整剤、紫外線吸収剤、酸化防止剤、pH調整剤、消泡剤、風合い調整剤、すべり性調整剤、帯電防止剤、親水化剤、抗菌剤、防腐剤、防虫剤、芳香剤、難燃剤、サイズ剤、紙力増強剤等が挙げられる。その他添加剤の量は、それぞれ、重合体(A)100重量部に対して、0.1~100重量部、0.1~80重量部、0.1~60重量部、0.1~40重量部、0.1~20重量部、又は0.1~10重量部であってよい。中でも、耐油剤は多糖類、紙力増強剤、凝集剤、歩留まり向上剤、及び凝結剤からなる群から選択された少なくとも一種を含むことが好ましい。
耐油剤は、耐油剤に限られず、耐水剤、撥水剤、撥油剤、防汚剤、汚れ脱離剤、剥離剤又は離型剤等の各種剤又はその成分として使用できる。耐油剤は、外的処理剤(表面処理剤)又は内的処理剤又はその成分として使用できる。
次に、実施例を挙げて本開示を具体的に説明する。ただし、これらの説明は本開示を限定するものでない。
木材パルプとして、LBKP(広葉樹さらしクラフトパルプ)とNBKP(針葉樹さらしクラフトパルプ)の重量比率が、60重量%と40重量%で、かつ、パルプのろ水度が400ml(Canadian Standard Freeness)のパルプスラリーを調製し、このパルプスラリーに湿潤紙力剤、サイズ剤を添加して長網抄紙機により、紙密度が0.58g/cm3の坪量45g/m2の紙を外添処理(サイズプレス処理)の原紙として使用した。この原紙の耐油性(KIT値)は0、耐水性(Cobb値)は52g/m2であった。この原紙に対して、下記実施例又は比較例で特定する重合体の濃度が14.9 mg/cm3の重合体溶液を、ギャップを0milの設定したベーカー式アプリケータ―で塗工し乾燥を繰り返す操作を三回行い、70℃で10分アニールすることで、処理紙を作成した。
3Mキットテスト(TAPPI T-559cm-02)により測定した。3Mキットテスト法は、ヒマシ油、トルエン、ヘプタンが配合された試験油を処理紙の表面におき、15秒後に試験油を拭った際、処理紙への油染みの有無により評価した。キット番号1~6の試験油にて試験を実施し、染みが見られなかった最大のキット番号を耐油性の評価結果とした。
撥液性は、下記実施例又は比較例で特定する重合体の濃度1.0%のクロロホルム溶液をセロファンフィルムを貼付したガラス基板上にスピンコートし、静的接触角を測定した。静的接触角は、塗膜上に、2μLのヘキサデカン(HD)を滴下し、着滴1秒後の接触角を測定して得られた。
処理紙の透気度(透気抵抗度)を、株式会社安田精機製作所製の自動ガーレー式デンソーメーター(製品No.323-AUTO、通気孔径直径28.6±0.1mm)を用いてJIS P8117(2009)に準拠して測定した。
還流冷却器及び窒素導入管を備えた反応容器に、攪拌子、ポリビニルアルコール (鹸化度 87.8mоl%、水酸基含有率87.8mоl%)0.98gを入れ、80℃で1時間減圧乾燥を行った。トルエン 60mL、オクタデシルイソシアネート 5.9g(繰り返し単位のOHに対して115mоl%)を加え、75℃で1時間攪拌した。その後、室温に戻し、ジラウリン酸ジブチルすず 0.1gを加えた。温度を120℃に変更し、20時間攪拌した。反応容器を室温まで冷却し、反応混合液をメタノールに滴下し、固体を析出させた。吸引濾過にて析出した固体を回収し、メタノールで1回洗浄、アセトンで1回洗浄する。回収した固体を良溶媒としてクロロホルム、貧溶媒としてメタノールを用いて再沈殿を行い、ポリビニルアルコールをオクタデシルイソシアネートで修飾した重合体を得た。この重合体を用いて、撥液性、KIT試験、透気度を評価した。結果を表1に示す。
添加するオクタデシルイソシアネート量を3.0g(繰り返し単位のOHに対して57mоl%)に変更し、反応溶媒をジメチルスルホキシドに変更した以外は実施例1と同様に反応・処理した。結果を表1に示す。
還流冷却器及び窒素導入管を備えた反応容器に、攪拌子、 エチレン-ビニルアルコール共重合体(エチレン含有率 38mоl%、水酸基含有率62mоl%)0.76gを入れ、80℃で1時間減圧乾燥を行った。ジメチルスルホキシド 45mL、オクタデシルイソシアネート 3.7g(繰り返し単位のOHに対して100mоl%)を加え、75℃で1時間攪拌した。その後、室温に戻し、ジラウリン酸ジブチルすず 0.1gを加えた。温度を140℃に変更し、20時間攪拌した。反応容器を室温まで冷却し、反応混合液をメタノールに滴下し、固体を析出させた。吸引濾過にて析出した固体を回収し、メタノールで1回洗浄、アセトンで1回洗浄する。回収した固体を良溶媒としてクロロホルム、貧溶媒としてメタノールを用いて再沈殿を行い、エチレン-ビニルアルコール共重合体をオクタデシルイソシアネートで修飾した重合体を得た。この重合体を用いて、撥液性、KIT試験、透気度を評価した。結果を表1に示す。
添加するオクタデシルイソシアネート量を1.8g(繰り返し単位のOHに対して50mоl%)に変更した以外は実施例3と同様に反応・処理した。結果を表1に示す。
還流冷却器及び窒素導入管を備えた反応容器に、攪拌子、ポリビニルアルコール (鹸化度 87.8mоl%、水酸基含有率87.8mоl%)0.98gを入れ、80℃で1時間減圧乾燥を行った。ジメチルスルホキシド 30mLを添加し80℃で溶解させた後、ステアリン酸ビニル 6.2g(繰り返し単位のOHに対して115mоl%)、酢酸ナトリウム0.002gを加え、80℃で48時間攪拌した。反応容器を室温まで冷却し、反応混合液をメタノールに滴下し、固体を析出させた。吸引濾過にて析出した固体を回収し、メタノールで1回洗浄、アセトンで1回洗浄する。回収した固体を良溶媒としてクロロホルム、貧溶媒としてメタノールを用いて再沈殿を行い、ポリビニルアルコールをステアリン酸ビニルで修飾した重合体を得た。この重合体を用いて、撥液性、KIT試験、透気度を評価した。結果を表1に示す。
添加するステアリン酸ビニル量を3.1g(繰り返し単位のOHに対して57mоl%)に変更した以外は実施例5と同様に反応・処理した。結果を表1に示す。
ポリビニルアルコールをエチレン-ビニルアルコール共重合体(エチレン含有率 38mоl%、水酸基含有率62mоl%)に変え、ステアリン酸ビニル 6.2gを5.0g(繰り返し単位のOHに対して100mоl%)に変更した以外は実施例5と同様に反応・処理した。結果を表1に示す。
ポリビニルアルコールをエチレン-ビニルアルコール共重合体(エチレン含有率 38mоl%)に変え、ステアリン酸ビニル 6.2gを2.5g(繰り返し単位のOHに対して50mоl%)に変更した以外は実施例5と同様に反応・処理した。結果を表1に示す。
ポリビニルアルコール (鹸化度 87.8mоl%)を用いて、撥液性、KIT試験、透気度を評価した。結果を表1に示す。
Claims (14)
- 水酸基及びアミノ基からなる群から選択される少なくとも一つを有する重合体(a1)に炭素数1~40の脂肪族炭化水素基(a2)を修飾してなる重合体(A)を含む耐油剤。
- 前記脂肪族炭化水素基(a2)の炭素数が7以上である、請求項1に記載の耐油剤。
- 前記重合体(a1)と前記脂肪族炭化水素基(a2)とが、ウレタン結合、ウレア結合、エステル結合、アミド結合、及びエーテル結合からなる群から選択される少なくとも一つの結合により結合している、請求項1又は2に記載の耐油剤。
- 前記重合体(a1)がポリビニルアルコール、エチレン-ビニルアルコール共重合体、酢酸ビニル-ビニルアルコール共重合体、エチレン-酢酸ビニル-ビニルアルコール共重合体、ポリビニルアミン、及びビニルアミン-ビニルアルコール共重合体からなる群から選択される少なくとも一つである請求項1~3のいずれか一項に記載の耐油剤。
- 前記重合体(a1)の全繰り返し単位におけるビニルアルコール単位及びビニルアミン単位の合計量が40モル%以上である、請求項1~4のいずれか一項に記載の耐油剤。
- 前記重合体(A)における前記脂肪族炭化水素基(a2)の修飾率が、前記重合体(a1)が有する水酸基及びアミノ基の合計量に対して25モル%以上100モル%以下である、請求項1~5のいずれか一項に記載の耐油剤。
- 重合体(A)が非フッ素重合体である、請求項1~6のいずれか一項に記載の耐油剤。
- さらに、水、有機溶媒、又は水と有機溶媒の混合物を含み、分散液又は溶液である、請求項1~7のいずれか一項に記載の耐油剤。
- さらに、多糖類、紙力増強剤、凝集剤、歩留まり向上剤、及び凝結剤から選択された少なくとも一種を含む、請求項1~8のいずれか一項に記載の耐油剤。
- 紙製品用である請求項1~9のいずれか一項に記載の耐油剤。
- 前記紙製品が食品用包装材又は食品用容器である、請求項10に記載の耐油剤。
- 請求項1~11のいずれか一項に記載の耐油剤によって処理された紙製品。
- 食品用包装材又は食品用容器である請求項12に記載の紙製品。
- 水酸基及びアミノ基からなる群から選択される少なくとも一つを有する重合体(a1)に炭素数1~40の脂肪族炭化水素基(a2)を修飾してなる重合体(A)を含む耐油剤であって、前記重合体(a1)と前記脂肪族炭化水素基(a2)とがエステル結合により結合している、耐油剤。
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