WO2023026897A1 - 耐ミネラルオイル性付与コート材および積層体 - Google Patents
耐ミネラルオイル性付与コート材および積層体 Download PDFInfo
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- WO2023026897A1 WO2023026897A1 PCT/JP2022/030964 JP2022030964W WO2023026897A1 WO 2023026897 A1 WO2023026897 A1 WO 2023026897A1 JP 2022030964 W JP2022030964 W JP 2022030964W WO 2023026897 A1 WO2023026897 A1 WO 2023026897A1
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- WIPO (PCT)
- Prior art keywords
- mass
- mineral oil
- monomer
- oil resistance
- monomer composition
- Prior art date
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- 239000002480 mineral oil Substances 0.000 title claims abstract description 127
- 235000010446 mineral oil Nutrition 0.000 title claims abstract description 125
- 239000000463 material Substances 0.000 title claims abstract description 82
- 238000000576 coating method Methods 0.000 title claims abstract description 66
- 239000011248 coating agent Substances 0.000 title claims abstract description 64
- 239000000178 monomer Substances 0.000 claims abstract description 261
- 239000000203 mixture Substances 0.000 claims abstract description 100
- 229920001577 copolymer Polymers 0.000 claims abstract description 56
- 125000002560 nitrile group Chemical group 0.000 claims abstract description 40
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 28
- 239000003125 aqueous solvent Substances 0.000 claims abstract description 13
- 239000011247 coating layer Substances 0.000 claims description 39
- 230000009477 glass transition Effects 0.000 claims description 15
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 39
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 37
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- 238000006116 polymerization reaction Methods 0.000 description 24
- 238000000034 method Methods 0.000 description 19
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 18
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- 229910021641 deionized water Inorganic materials 0.000 description 16
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical group N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 10
- 229910001873 dinitrogen Inorganic materials 0.000 description 10
- 238000010992 reflux Methods 0.000 description 10
- ZIWRUEGECALFST-UHFFFAOYSA-M sodium 4-(4-dodecoxysulfonylphenoxy)benzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCOS(=O)(=O)c1ccc(Oc2ccc(cc2)S([O-])(=O)=O)cc1 ZIWRUEGECALFST-UHFFFAOYSA-M 0.000 description 10
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- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 2
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- 125000001204 arachidyl 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])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 125000002511 behenyl 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])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000002704 decyl group Chemical group [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])* 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 description 1
- 125000003438 dodecyl group Chemical group [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])* 0.000 description 1
- UIWXSTHGICQLQT-UHFFFAOYSA-N ethenyl propanoate Chemical compound CCC(=O)OC=C UIWXSTHGICQLQT-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000003827 glycol group Chemical group 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910000271 hectorite Inorganic materials 0.000 description 1
- KWLMIXQRALPRBC-UHFFFAOYSA-L hectorite Chemical compound [Li+].[OH-].[OH-].[Na+].[Mg+2].O1[Si]2([O-])O[Si]1([O-])O[Si]([O-])(O1)O[Si]1([O-])O2 KWLMIXQRALPRBC-UHFFFAOYSA-L 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002432 hydroperoxides Chemical class 0.000 description 1
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 125000002463 lignoceryl 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])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229940057995 liquid paraffin Drugs 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 125000005641 methacryl group Chemical group 0.000 description 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 125000001802 myricyl 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])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
- 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
- 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
- 125000001400 nonyl 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])[H] 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
- 239000012860 organic pigment Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003002 pH adjusting agent Substances 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
- 239000012188 paraffin wax Substances 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- UIIIBRHUICCMAI-UHFFFAOYSA-N prop-2-ene-1-sulfonic acid Chemical compound OS(=O)(=O)CC=C UIIIBRHUICCMAI-UHFFFAOYSA-N 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000012966 redox initiator Substances 0.000 description 1
- 229910000275 saponite Inorganic materials 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000003352 sequestering agent Substances 0.000 description 1
- 238000005507 spraying Methods 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
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 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
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 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
- 229940099259 vaseline Drugs 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D157/00—Coating compositions based on unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09D157/06—Homopolymers or copolymers containing elements other than carbon and hydrogen
- C09D157/12—Homopolymers or copolymers containing elements other than carbon and hydrogen containing nitrogen atoms
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
-
- 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
Definitions
- the present invention relates to a mineral oil-resistant coating material and a laminate.
- Standard oil is contained in various materials.
- recycled paper contains mineral oil derived from printing inks. Therefore, when recycled paper is used as a packaging material, mineral oil may adhere to and impregnate the items to be packaged. Therefore, lamination of a mineral oil-resistant coating layer on a material containing mineral oil is considered.
- cardboard packaging has been proposed that includes mineral oil-contaminated paper and a barrier layer.
- the barrier layer is obtained with an aqueous polymer dispersion.
- the aqueous polymer dispersion contains the copolymer.
- the copolymer is obtained by emulsion polymerization of an alkyl (meth)acrylate, 0.1 to 5% by weight of an acid monomer, 0 to 20% by weight of acrylonitrile, and 0 to 10% by weight of other monomers (for example, Patent Document 1 reference.).
- the present invention provides a mineral oil resistance-imparting coating material capable of imparting excellent mineral oil resistance, and a laminate comprising a coating layer of the mineral oil resistance imparting coating material.
- the present invention [1] provides a copolymer of a monomer composition containing a nitrile group-containing unsaturated ethylenic monomer and a carboxyl group-containing unsaturated ethylenic monomer, and dissolving and/or dispersing the copolymer.
- the content of the nitrile group-containing unsaturated ethylenic monomer is 21% by mass or more and 70% by mass or less with respect to the total amount of the monomer composition, and the carboxyl group-containing unsaturated It contains a mineral oil-resistant coating material having an ethylenic monomer content of 3% by mass or more and 10% by mass or less.
- the present invention [2] includes the mineral oil resistance imparting coating material according to the above [1], wherein the copolymer has a glass transition temperature of -30°C or higher and 100°C or lower.
- the present invention [3] is a laminate comprising recycled paper and a coating layer of the coating material for imparting mineral oil resistance according to [1] or [2] above, which is formed on at least one side of the recycled paper. contains.
- the coating material for imparting mineral oil resistance of the present invention contains a copolymer of a monomer composition containing a nitrile group-containing unsaturated ethylenic monomer and a carboxy group-containing unsaturated ethylenic monomer in a predetermined ratio. . Therefore, the coating material imparting mineral oil resistance of the present invention can form a coating layer excellent in mineral oil resistance.
- the laminate of the present invention includes a coating layer of the mineral oil resistance-imparting coating material. Therefore, the laminate of the present invention is excellent in mineral oil resistance.
- the mineral oil resistance-imparting coating material of the present invention contains a copolymer of a monomer composition and an aqueous solvent that dissolves and/or disperses the copolymer.
- the copolymer of the monomer composition is, for example, a (meth)acrylic polymer.
- (meth)acryl means acryl and/or methacryl (the same shall apply hereinafter).
- the monomer composition contains a hard monomer as an essential component.
- the hard monomer is a monomer having a relatively high homopolymer glass transition temperature (calculated by the FOX formula (the same applies hereinafter)) (for example, 20° C. or higher, preferably 200° C. or lower).
- the hard monomer contains a nitrile group-containing unsaturated ethylenic monomer as an essential component.
- the monomer composition contains a nitrile group-containing unsaturated ethylenic monomer as an essential component.
- nitrile group-containing unsaturated ethylenic monomers examples include nitrile group-containing vinyl monomers.
- nitrile group-containing vinyl monomers examples include (meth)acrylonitrile.
- (Meth)acrylonitrile is acrylonitrile and/or methacrylonitrile. These can be used alone or in combination of two or more.
- the nitrile group-containing unsaturated ethylenic monomer preferably includes a nitrile group-containing vinyl monomer, more preferably (meth)acrylonitrile, and still more preferably acrylonitrile. mentioned.
- the content of the nitrile group-containing unsaturated ethylenic monomer is 21% by mass or more, preferably 24% by mass or more, relative to the total amount of the monomer composition. If the content of the nitrile group-containing unsaturated ethylenic monomer is above the above lower limit, better mineral oil resistance can be obtained.
- the content of the nitrile group-containing unsaturated ethylenic monomer is 70% by mass or less, preferably 65% by mass or less, more preferably 60% by mass or less, relative to the total amount of the monomer composition. If the content of the nitrile group-containing unsaturated ethylenic monomer is below the above upper limit, better mineral oil resistance can be obtained.
- the content of the nitrile group-containing unsaturated ethylenic monomer is more preferably 35% by mass or more, particularly preferably 40% by mass or more, from the viewpoint of mineral oil resistance of the coated surface in an unbent state.
- the content of the nitrile group-containing unsaturated ethylenic monomer is preferably 60% by mass or less.
- the content of the nitrile group-containing unsaturated ethylenic monomer is determined from the viewpoint of blocking resistance and bending resistance (crack resistance when bending and mineral oil resistance after bending) of the coated surface. , more preferably 34% by mass or less, more preferably 30% by mass or less, and particularly preferably 28% by mass or less. Also, the content of the nitrile group-containing unsaturated ethylenic monomer is preferably 24% by mass or more.
- the content of the nitrile group-containing unsaturated ethylenic monomer is, for example, 60% by mass or more, preferably 70% by mass or more, more preferably 80% by mass or more, relative to the total amount of the hard monomers. .
- the content of the nitrile group-containing unsaturated ethylenic monomer is, for example, 100% by mass or less, preferably 95% by mass or less, more preferably 90% by mass or less, relative to the total amount of the hard monomers. .
- the hard monomer can contain a benzene ring-containing unsaturated ethylenic monomer as an optional component.
- the monomer composition can optionally contain a benzene ring-containing unsaturated ethylenic monomer.
- Benzene ring-containing unsaturated ethylenic monomers include, for example, styrene-based vinyl monomers.
- Styrenic vinyl monomers include, for example, styrene, ⁇ -methylstyrene, p-methylstyrene, vinyltoluene and chlorostyrene. These can be used alone or in combination of two or more.
- the benzene ring-containing unsaturated ethylenic monomer is preferably a styrene-based vinyl monomer, more preferably styrene.
- the content ratio of the benzene ring-containing unsaturated ethylenic monomer is the nitrile group-containing unsaturated ethylenic monomer with respect to the total amount of the monomer composition. From the viewpoint of the polymerizability of the monomer, it is, for example, 1% by mass or more, preferably 2% by mass or more, and more preferably 5% by mass or more.
- the content ratio of the benzene ring-containing unsaturated ethylenic monomer is From a viewpoint, it is, for example, 50% by mass or less, preferably 30% by mass or less, more preferably 10% by mass or less.
- the hard monomer can contain methyl methacrylate as an optional component.
- the monomer composition can optionally contain methyl methacrylate.
- the content of methyl methacrylate is, for example, 1% by mass or more, preferably 2% by mass or more, relative to the total amount of the monomer composition, from the viewpoint of resistance to mineral oil. More preferably, it is 5% by mass or more.
- the content of methyl methacrylate is, for example, 50% by mass or less, preferably 30% by mass, from the viewpoint of mineral oil resistance, relative to the total amount of the monomer composition. Below, more preferably, it is 10 mass % or less.
- the hard monomer preferably contains a nitrile group-containing unsaturated ethylenic monomer and methyl methacrylate.
- the hard monomer more preferably consists of a nitrile group-containing unsaturated ethylenic monomer and methyl methacrylate, or the hard monomer preferably consists of a nitrile group-containing unsaturated ethylenic monomer and a benzene ring-containing unsaturated monomer. It consists of saturated ethylenic monomer and methyl methacrylate.
- the content of the hard monomer is, for example, 30% by mass or more, preferably 40% by mass or more, more preferably 50% by mass or more, and even more preferably 50% by mass or more, based on the total amount of the monomer composition. is 55% by mass or more.
- the content of the hard monomer is, for example, 90% by mass or less, preferably 80% by mass or less, more preferably 70% by mass or less, from the viewpoint of film-forming properties with respect to the total amount of the monomer composition. .
- the monomer composition can contain a soft monomer as an optional component.
- a soft monomer is a monomer whose homopolymer glass transition temperature is relatively low (eg, less than 20° C., preferably less than 0° C.).
- soft monomers examples include alkyl (meth)acrylates other than methyl methacrylate.
- (Meth)acrylate is acrylate and/or methacrylate (the same shall apply hereinafter).
- alkyl (meth)acrylates examples include alkyl (meth)acrylates (excluding methyl methacrylate) having an alkyl moiety with 1 to 30 carbon atoms. More specifically, alkyl (meth)acrylates include, for example, methyl acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, isopropyl (meth) acrylate, butyl (meth) acrylate, isobutyl (meth) acrylate, s - butyl (meth)acrylate, t-butyl (meth)acrylate, pentyl (meth)acrylate, neopentyl (meth)acrylate, isoamyl (meth)acrylate, hexyl (meth)acrylate, heptyl (meth)acrylate, octyl (meth)acrylate Acrylate, isooctyl (meth)acrylate, 2-ethylhex
- Alkyl (meth)acrylates preferably include alkyl (meth)acrylates having an alkyl moiety having 2 to 10 carbon atoms, more preferably butyl (meth)acrylate and 2-ethylhexyl (meth)acrylate. and more preferably butyl acrylate and 2-ethylhexyl acrylate.
- the content of the soft monomer is, with respect to the total amount of the monomer composition, from the viewpoint of film formation, for example, 1% by mass or more, preferably 10% by mass or more, or more. Preferably, it is 20% by mass or more. That is, the monomer composition preferably contains a soft monomer from the viewpoint of mineral oil resistance.
- the content of the soft monomer is, for example, 60% by mass or less, preferably 55% by mass, based on the total amount of the monomer composition, from the viewpoint of resistance to mineral oil. Below, more preferably, it is 50 mass % or less.
- the monomer composition contains a copolymerizable monomer.
- a copolymerizable monomer is a monomer that can be copolymerized with a hard monomer and/or a soft monomer.
- Copolymerizable monomers include copolymerizable essential monomers and copolymerizable optional monomers.
- copolymerizable essential monomer is included in the monomer composition as an essential component.
- Copolymerizable essential monomers include carboxy group-containing unsaturated ethylenic monomers.
- the monomer composition contains a carboxy group-containing unsaturated ethylenic monomer as an essential component.
- Carboxy group-containing unsaturated ethylenic monomers include, for example, carboxy group-containing vinyl monomers.
- Carboxy group-containing vinyl monomers include, for example, ⁇ , ⁇ -unsaturated carboxylic acids and salts thereof.
- ⁇ , ⁇ -unsaturated carboxylic acids include, for example, ⁇ , ⁇ -unsaturated monocarboxylic acids and ⁇ , ⁇ -unsaturated dicarboxylic acids.
- ⁇ , ⁇ -unsaturated monocarboxylic acids include, for example, (meth)acrylic acid and crotonic acid.
- ⁇ , ⁇ -unsaturated dicarboxylic acids include, for example, itaconic acid, maleic acid, fumaric acid, itaconic anhydride, maleic anhydride and fumaric anhydride.
- Salts include, for example, sodium, potassium and ammonium salts. These can be used alone or in combination of two or more.
- the carboxy group-containing unsaturated ethylenic monomer preferably includes a carboxy group-containing vinyl monomer, more preferably an ⁇ , ⁇ -unsaturated monocarboxylic acid, and further (Meth)acrylic acid is preferred, and methacrylic acid is particularly preferred.
- the content of the carboxyl group-containing unsaturated ethylenic monomer is 3% by mass or more, preferably 4% by mass or more, more preferably 5% by mass, based on the total amount of the monomer composition, from the viewpoint of resistance to mineral oil. It is mass % or more. If the content of the carboxy group-containing unsaturated ethylenic monomer is above the above lower limit, better film formability and mineral oil resistance can be obtained.
- the content of the carboxy group-containing unsaturated ethylenic monomer is 10% by mass or less, preferably 8% by mass or less, relative to the total amount of the monomer composition, from the viewpoint of resistance to mineral oil. If the content of the carboxy group-containing unsaturated ethylenic monomer is below the above upper limit, better film formability and mineral oil resistance can be obtained.
- the optional copolymerizable monomer is a copolymerizable monomer contained in the monomer composition as needed.
- Copolymerizable optional monomers include, for example, other functional group-containing copolymerizable monomers.
- the other functional group-containing copolymerizable monomer is a functional group-containing copolymerizable monomer other than the carboxyl group-containing unsaturated ethylenic monomer.
- Examples of other functional group-containing copolymerizable monomers include hydroxyl group-containing vinyl monomers, amide group-containing vinyl monomers, glycidyl group-containing vinyl monomers, amino group-containing vinyl monomers, acetoacetoxy group-containing vinyl monomers, and phosphoric acid group-containing vinyl monomers. , and sulfonic acid group-containing vinyl monomers.
- hydroxyl group-containing vinyl monomers examples include hydroxymethyl (meth)acrylate, 2-hydroxyethyl (meth)acrylate, and 3-hydroxypropyl (meth)acrylate.
- Amide group-containing vinyl monomers include, for example, (meth)acrylamide and methylenebis(meth)acrylamide.
- Glycidyl group-containing vinyl monomers include, for example, glycidyl (meth)acrylate.
- Examples of amino group-containing vinyl monomers include 2-aminoethyl (meth)acrylate, 2-(N-methylamino)ethyl (meth)acrylate, and 2-(N,N-dimethylamino)ethyl (meth)acrylate. are mentioned.
- acetoacetoxy group-containing vinyl monomers include acetoacetoxyethyl (meth)acrylate.
- Phosphate group-containing vinyl monomers include, for example, 2-(meth)acryloxyethyl acid phosphate.
- Sulfonic acid group-containing vinyl monomers include, for example, allylsulfonic acid, methallylsulfonic acid, acrylamido t-butylsulfonic acid, and styrenesulfonate. Salts also include, for example, sodium, potassium and ammonium salts.
- Other functional group-containing copolymerizable monomers preferably include hydroxyl group-containing vinyl monomers, amide group-containing vinyl monomers, and N-substituted unsaturated carboxylic acid amides.
- copolymerizable optional monomers further include, for example, vinyl esters, N-substituted unsaturated carboxylic acid amides, heterocyclic vinyl compounds, vinylidene halide compounds, ⁇ -olefins, dienes and crosslinkable vinyl monomers.
- Examples of vinyl esters include vinyl acetate and vinyl propionate.
- Examples of N-substituted unsaturated carboxylic acid amides include N-methylol(meth)acrylamide.
- Heterocyclic vinyl compounds include, for example, vinylpyrrolidone.
- Vinylidene halide compounds include, for example, vinylidene chloride and vinylidene fluoride.
- Alpha-olefins include, for example, ethylene and propylene. Examples of dienes include butadiene.
- Crosslinkable vinyl monomers include, for example, methylenebis(meth)acrylamide, divinylbenzene, polyethylene glycol chain-containing di(meth)acrylate, trimethylolpropane tetraacrylate, and pentaerythritol triacrylate, pentaerythritol tetraacrylate. . These can be used alone or in combination of two or more.
- the content ratio of the copolymerizable optional monomer is appropriately set according to the purpose and application.
- the content of the hydroxyl group-containing vinyl monomer is, for example, 0.5% by mass or more relative to the total amount of the monomer composition, from the viewpoint of resistance to mineral oil.
- it is 1% by mass or more, more preferably 5% by mass or more.
- the content ratio of the hydroxyl group-containing vinyl monomer is, from the viewpoint of resistance to mineral oil, for example, 30% by mass or less, preferably 20% by mass or less, or more. Preferably, it is 10% by mass or less.
- the content ratio of the amide group-containing vinyl monomer to the total amount of the monomer composition is, for example, 0.5 from the viewpoint of mineral oil resistance. % by mass or more, preferably 10% by mass or more, more preferably 20% by mass or more.
- the content of the amide group-containing vinyl monomer is, from the viewpoint of resistance to mineral oil, for example, 50% by mass or less, preferably 40% by mass or less. , more preferably 30% by mass or less.
- the content ratio of the N-substituted unsaturated carboxylic acid amides is the total amount of the monomer composition. From a viewpoint, it is, for example, 0% by mass or more, preferably 0.5% by mass or more, and more preferably 1.0% by mass or more.
- the content of N-substituted unsaturated carboxylic acid amides is, for example, 20% by mass or less from the viewpoint of mineral oil resistance. , preferably 10% by mass or less, more preferably 5% by mass or less.
- the copolymerizable monomer preferably contains a copolymerizable essential monomer and does not contain a copolymerizable optional monomer. That is, the monomer composition preferably contains hard monomers, soft monomers, and essential copolymerizable monomers. The monomer composition more preferably consists of hard monomers, soft monomers and essential copolymerizable monomers.
- the copolymer of the monomer composition is obtained by polymerizing the above monomer composition by a known method. More specifically, for example, a monomer composition and a polymerization initiator are blended in an aqueous solvent, and the monomer composition is polymerized.
- the polymerization initiator is not particularly limited, but includes, for example, water-soluble initiators and oil-soluble initiators.
- Water-soluble initiators include, for example, potassium persulfate, sodium persulfate, ammonium persulfate, hydrogen peroxide and organic hydroperoxides.
- Oil-soluble initiators include, for example, benzoyl peroxide and azobisisobutyronitrile.
- the polymerization initiator also includes known redox initiators. These can be used alone or in combination of two or more.
- the polymerization initiator preferably includes a water-soluble initiator, more preferably ammonium persulfate.
- the mixing ratio of the polymerization initiator is, for example, 0.01 parts by mass or more, preferably 0.1 parts by mass or more, more preferably 0.2 parts by mass or more, and still more preferably 100 parts by mass of the monomer composition. is 0.25 parts by mass or more. Moreover, the mixing ratio of the polymerization initiator is, for example, 3 parts by mass or less, preferably 2 parts by mass or less with respect to 100 parts by mass of the monomer composition.
- Aqueous solvents include, for example, water and hydrophilic solvents.
- Hydrophilic solvents include, for example, alcohols, ketones, esters, ethers, ether alcohols, ether alcohol acetates and nitriles.
- Alcohols include, for example, methanol and ethanol.
- Ketones include, for example, acetone.
- Esters include, for example, ethyl acetate and butyl acetate.
- Ethers include, for example, dioxane and tetrahydrofuran.
- Ether alcohols include, for example, cellosolve and carbitol.
- Ether alcohol acetates include, for example, cellosolve acetate and carbitol acetate.
- Nitriles include, for example, acetonitrile. These can be used alone or in combination of two or more. Water is preferably used as the aqueous solvent.
- an emulsifier is preferably blended with the monomer composition, and the monomer composition undergoes emulsion polymerization in water.
- emulsifiers include anionic surfactants and nonionic surfactants.
- Anionic surfactants include, for example, alkyl sulfates, aliphatic sulfonates, alkylbenzene sulfonates, and alkyldiphenyl ether sulfonates.
- Nonionic surfactants include, for example, alkyl esters of polyethylene glycol, alkylphenyl ethers of polyethylene glycol, and alkyl ethers of polyethylene glycol. These can be used alone or in combination of two or more.
- the blending ratio of the emulsifier is appropriately set according to the purpose and application. More specifically, the mixing ratio of the emulsifier is, for example, 0.1 parts by mass or more, preferably 0.3 parts by mass or more, with respect to 100 parts by mass of the monomer composition. Moreover, the mixing ratio of the emulsifier is, for example, 2.0 parts by mass or less, preferably 1.8 parts by mass or less with respect to 100 parts by mass of the monomer composition.
- the polymerization conditions are appropriately set according to the purpose and application.
- the pressure condition is normal pressure.
- the polymerization temperature is, for example, 30° C. or higher, preferably 50° C. or higher.
- the polymerization temperature is, for example, 95° C. or lower, preferably 85° C. or lower.
- the polymerization time is, for example, 0.5 hours or longer, preferably 1.5 hours or longer.
- the polymerization time is, for example, 20 hours or less, preferably 10 hours or less.
- additives include, for example, pH modifiers, metal ion sequestrants, molecular weight modifiers and chain transfer agents.
- the additive may be added to the monomer composition before polymerization, may be added to the reaction solution during polymerization, or may be added to the reaction termination solution after polymerization.
- the monomer composition is copolymerized in the aqueous solvent to form a copolymer of the monomer composition.
- a mineral oil-resistant coating material containing an aqueous solvent and a copolymer dissolved and/or dispersed in the aqueous solvent is obtained. More specifically, when water is used as the aqueous solvent, the mineral oil resistance-imparting coating material is obtained as a resin emulsion in which the copolymer is dispersed in water.
- a neutralizing agent is preferably added to the reaction-terminated liquid to adjust the pH.
- Neutralizing agents include, for example, ammonia.
- the neutralizing agent is preferably added to the reaction-terminated liquid after polymerization.
- the reaction-terminated liquid is held for a predetermined period of time, if necessary.
- the pH of the reaction-terminated liquid after blending the neutralizing agent is, for example, 5 or higher, preferably 7 or higher, and more preferably 8 or higher.
- the pH of the reaction solution is, for example, 11 or less, more preferably 10 or less.
- the neutralizing agent hydrates, swells, and softens the copolymer in the reaction-finished liquid.
- the monomer composition may be polymerized all at once or may be polymerized in multiple stages.
- core-shell particles can be formed by subjecting the monomer composition to multi-stage polymerization.
- a part of the monomer composition (primary composition) is polymerized to synthesize a primary polymer, and then, in the presence of the primary polymer, the remainder of the monomer composition (second Next composition) is polymerized to synthesize a secondary polymer (multistage polymerization).
- second Next composition the remainder of the monomer composition
- core-shell particles of a copolymer containing a core made of a primary polymer and a shell made of a secondary polymer covering the primary polymer are obtained.
- the reaction order of part and the remainder of the monomer composition may be reversed.
- a part of the monomer composition preferably contains a nitrile group-containing unsaturated ethylenic monomer, a carboxy group-containing unsaturated ethylenic monomer and a soft monomer.
- the balance (secondary composition) of the monomer composition preferably contains a functional group-containing copolymerizable monomer.
- the above copolymer contains repeating units derived from a nitrile group-containing unsaturated ethylenic monomer and repeating units derived from a carboxy group-containing unsaturated ethylenic monomer.
- the content of repeating units derived from the nitrile group-containing unsaturated ethylenic monomer is the same as the content of the nitrile group-containing unsaturated ethylenic monomer in the monomer composition.
- the content of repeating units derived from the nitrile group-containing unsaturated ethylenic monomer is 21% by mass or more, preferably 24% by mass or more, relative to the total amount of the copolymer.
- the content of repeating units derived from the nitrile group-containing unsaturated ethylenic monomer is 70% by mass or less, preferably 65% by mass or less, more preferably 60% by mass, relative to the total amount of the copolymer. % or less. If the content of repeating units derived from the nitrile group-containing unsaturated ethylenic monomer is within the above range, better mineral oil resistance can be obtained.
- the content ratio of repeating units derived from the nitrile group-containing unsaturated ethylenic monomer to the total amount of the copolymer is more preferably 35% by mass or more, particularly preferably 40% by mass or more.
- the content of repeating units derived from the nitrile group-containing unsaturated ethylenic monomer is preferably 60% by mass or less with respect to the total amount of the copolymer.
- repeating units derived from nitrile group-containing unsaturated ethylenic monomers The unit content is more preferably 34% by mass or less, more preferably 30% by mass or less, particularly preferably 28% by mass or less, relative to the total amount of the copolymer. Moreover, the content of repeating units derived from the nitrile group-containing unsaturated ethylenic monomer is preferably 24% by mass or more relative to the total amount of the copolymer.
- the content of repeating units derived from the carboxy group-containing unsaturated ethylenic monomer is the same as the content of the carboxy group-containing unsaturated ethylenic monomer in the monomer composition.
- the content of repeating units derived from a carboxy group-containing unsaturated ethylenic monomer is 3% by mass or more, preferably 4% by mass or more, more preferably 5% by mass, relative to the total amount of the copolymer. % or more. Also, the content of repeating units derived from the carboxy group-containing unsaturated ethylenic monomer is 10% by mass or less, preferably 8% by mass or less, relative to the total amount of the copolymer. If the content of repeating units derived from a carboxy group-containing unsaturated ethylenic monomer is within the above range, more excellent mineral oil resistance can be obtained.
- the weight average molecular weight of the copolymer is, for example, 5000 or more, preferably 10,000 or more, more preferably 30,000 or more. Also, the weight average molecular weight of the copolymer is, for example, 1,000,000 or less, preferably 800,000 or less, more preferably 500,000 or less. The weight average molecular weight is the polystyrene equivalent molecular weight obtained by gel permeation chromatogram.
- the glass transition temperature of the copolymer is, for example, -50°C or higher, preferably -30°C or higher, from the viewpoints of mineral oil resistance and blocking resistance of the coated surface.
- the glass transition temperature of the copolymer is, for example, 200° C. or lower, preferably 100° C. or lower, more preferably 80° C. or lower, from the viewpoints of mineral oil resistance and film-forming properties.
- the glass transition temperature is calculated by the FOX formula (the same applies hereinafter).
- the glass transition temperature of the copolymer is more preferably ⁇ 10° C. or higher, more preferably 0° C. or higher, and still more preferably 10° C. or higher, from the viewpoint of mineral oil resistance of the unbent coated surface. , particularly preferably 20° C. or higher. Also, the glass transition temperature of the copolymer is preferably 80° C. or lower.
- the glass transition temperature of the copolymer is more preferably 20 from the viewpoint of blocking resistance of the coated surface and flex resistance (crack resistance when flexing and mineral oil resistance after flexing). °C or lower, more preferably 10°C or lower, more preferably 0°C or lower, and most preferably -10°C or lower. Further, the glass transition temperature of the copolymer is preferably -30°C or higher.
- the solid content concentration of the copolymer is, for example, 3% by mass or more, preferably 5% by mass or more, and more preferably 10% by mass or more.
- the solid content concentration of the copolymer is, for example, 50% by mass or less, preferably 30% by mass or less.
- the solid content concentration of the copolymer is appropriately adjusted by adding or removing an aqueous solvent as necessary.
- the mineral oil resistance-imparting coating material can contain additives in an appropriate proportion, if necessary.
- Additives include, for example, cross-linking agents, inorganic pigments, organic pigments, fillers, antioxidants, UV absorbers, thermoplastic resins, thermosetting resins, lubricants, thickeners, wetting agents, antifoaming agents and pH preparation agents. These can be used alone or in combination.
- Additives preferably include cross-linking agents and inorganic pigments.
- cross-linking agents examples include isocyanate-based cross-linking agents, carbodiimide-based cross-linking agents, epoxy-based cross-linking agents, melamine-based cross-linking agents, and oxazoline-based cross-linking agents. These can be used alone or in combination of two or more.
- the cross-linking agent preferably includes an isocyanate-based cross-linking agent and a carbodiimide-based cross-linking agent.
- the mixing ratio of the cross-linking agent is not particularly limited, and is appropriately set according to the purpose and application. More specifically, the mixing ratio of the cross-linking agent is, for example, 1 part by mass or more, preferably 3 parts by mass or more, with respect to 100 parts by mass of the total amount of the copolymer. Moreover, the mixing ratio of the cross-linking agent is, for example, 30 parts by mass or less, preferably 20 parts by mass or less with respect to 100 parts by mass of the total amount of the copolymer.
- the mineral oil resistance imparting coating material contains a cross-linking agent, better mineral oil resistance and film formability can be obtained.
- Inorganic pigments include, for example, calcium carbonate, talc, colloidal silica, clay, calcined kaolin, titanium oxide, zinc oxide, aluminum hydroxide and clay minerals.
- Clay minerals include, for example, montmorillonite, saponite, hectorite, vermiculite, kaolinite, natural mica and synthetic mica. These can be used alone or in combination of two or more.
- the mixing ratio of the inorganic pigment is not particularly limited, and is appropriately set according to the purpose and application.
- the mineral oil resistance-imparting coating material contains an inorganic pigment, better mineral oil resistance can be obtained. Furthermore, if the mineral oil resistance-imparting coating material contains an inorganic pigment, the gloss of the coated surface can be controlled, and the heat resistance, water resistance and gas barrier properties of the coated surface can be improved.
- the mineral oil resistance imparting coating material contains a copolymer of a monomer composition containing a nitrile group-containing unsaturated ethylenic monomer and a carboxy group-containing unsaturated ethylenic monomer in a predetermined ratio.
- the above mineral oil resistance-imparting coating material can form a coating layer excellent in mineral oil resistance.
- the mineral oil resistance-imparting coating material described above uses an aqueous solvent, it can reduce the environmental load compared to the case where an organic solvent is used.
- the coating layer formed from the mineral oil resistance-imparting coating material has excellent adhesion to a substrate containing mineral oil.
- the mineral oil-resistant coating material described above can form a mineral oil-resistant layer with excellent adhesion as a coating layer while reducing the environmental load. Therefore, the mineral oil resistance-imparting coating material is preferably applied to a base material containing mineral oil.
- Mineral oils include, for example, petroleum-derived saturated hydrocarbons and petroleum-derived aromatic hydrocarbons. Mineral oils more specifically include, for example, hydrocarbon compounds having 6 to 30 carbon atoms, liquid paraffin, solid paraffin, wax and vaseline.
- substrates containing mineral oil examples include substrates containing printing ink, and more specifically, recycled paper.
- the thickness of the base material containing mineral oil is not particularly limited, and is appropriately set according to the purpose and application.
- the thickness of the base material containing mineral oil is, for example, 1 ⁇ m or more, preferably 3 ⁇ m or more.
- the thickness of the base material containing mineral oil is, for example, 1000 ⁇ m or less, preferably 800 ⁇ m or less.
- the above mineral oil resistance-imparting coating material is applied, for example, to one surface of a base material containing mineral oil, and if necessary, dried by heating.
- the method of applying the mineral oil resistance-imparting coating material is not particularly limited, and a known coating method is employed.
- coating methods include gravure coater method, small diameter gravure coater method, reverse roll coater method, transfer roll coater method, kiss coater method, dip coater method, micro gravure coat method, knife coater method, air doctor coater method, and blade coater. method, rod coater method, squeeze coater method, cast coater method, die coater method, screen printing method, and spray coating method.
- the drying conditions are not particularly limited, and are appropriately set according to the purpose and application.
- the drying temperature is, for example, 40° C. or higher.
- the drying temperature is, for example, 200° C. or less.
- the drying time is appropriately set according to the purpose and application.
- a coating layer of the mineral oil-resistant coating material is formed on one surface of the base material containing the mineral oil.
- the thickness of the coating layer (after drying) is not particularly limited, and is appropriately set according to the purpose and application.
- the thickness of the coating layer (after drying) is, for example, 1 ⁇ m or more, preferably 3 ⁇ m or more.
- the thickness of the coating layer (after drying) is, for example, 10 ⁇ m or less, preferably 8 ⁇ m or less.
- a laminate comprising a base material containing mineral oil and a coating layer of the mineral oil resistance-imparting coating material disposed on the surface of the base material is obtained.
- recycled paper when selected as the base material containing mineral oil, it comprises recycled paper and a coating layer of the mineral oil resistance-imparting coating material disposed on one surface of the recycled paper. A laminate is obtained.
- the thickness of the laminate is not particularly limited, and is appropriately set according to the purpose and application.
- the thickness (total thickness) of the laminate is, for example, 1 ⁇ m or more, preferably 3 ⁇ m or more.
- the thickness (total thickness) of the laminate is, for example, 1000 ⁇ m or less, preferably 800 ⁇ m or less.
- the above laminate includes a coating layer of the above mineral oil resistance-imparting coating material. Therefore, the above laminate is excellent in resistance to mineral oil. As a result, the laminate can be suitably used as a packaging material.
- the base material preferably recycled paper
- mineral oil exudes to the surface of the packaging material, and the packaging material and the object to be packaged are separated.
- the mineral oil contained in the base material may adhere to and impregnate the package at the contact portion of the package.
- a coating layer of the coating material imparting mineral oil resistance is formed on at least one side of a base material containing mineral oil (preferably recycled paper).
- the coating layer of the coating material imparting mineral oil resistance can prevent the mineral oil from adhering to and impregnating the object to be packaged.
- the coating layer of the coating material imparting mineral oil resistance is arranged on one surface of the recycled paper, but the surface of both sides of the recycled paper is coated with the above mineral oil resistance imparting coating material.
- a coating layer can also be arranged.
- a coating layer of a coating material imparting mineral oil resistance is arranged on one or both surfaces of the recycled paper. (undercoat layer) may be interposed. Furthermore, if necessary, a known topcoat layer (overcoat layer) may be laminated on the coating layer of the above mineral oil resistance-imparting coating material. Even in such a case, the coating layer of the mineral oil resistance-imparting coating material can prevent the mineral oil from adhering to and impregnating the items to be packaged.
- the mineral oil resistance-imparting coating material and laminate are suitably used, for example, in the field of packaging materials.
- the mineral oil resistance-imparting coating material described above can also be used, for example, as a substitute material for the fluorine coating material.
- the mineral oil resistance-imparting coating material is preferably used in various fields where conventional fluorine coating materials are used.
- Example 1 A separable flask equipped with a stirrer and a reflux condenser was charged with 230 g of ion-exchanged water and 1.5 g of sodium dodecyldiphenyl ether disulfonate, and the inside of the flask was replaced with nitrogen gas. Then, the temperature inside the flask was raised to 75°C. Then, 0.5 g of potassium persulfate was added to the flask and dissolved. Then, the emulsion of the monomer composition was continuously added to the flask over about 5 hours.
- the emulsion of the monomer composition contains 56 g of acrylonitrile, 5 g of styrene, 5 g of methyl methacrylate, 26 g of n-butyl acrylate, 8 g of methacrylic acid, 0.1 g of n-dodecyl mercaptan, 0.2 g of sodium dodecyldiphenyl ether disulfonate, and deionized water. It contained 56g.
- the glass transition temperature (Tg) of the copolymer was calculated by the following FOX formula (the same applies hereinafter).
- the glass transition temperature (Tg) of the copolymer is shown in Table 1 (the same applies hereinafter).
- Tg is the glass transition temperature of the copolymer (unit: K)
- Example 2 A separable flask equipped with a stirrer and a reflux condenser was charged with 230 g of ion-exchanged water and 1.5 g of sodium dodecylsulfate, and the inside of the flask was replaced with nitrogen gas. Then, the temperature inside the flask was raised to 75°C. Then, 1.0 g of potassium persulfate was added to the flask and dissolved. Then, the emulsion of the monomer composition was continuously added to the flask over about 5 hours.
- the monomer composition emulsion contained 45 g acrylonitrile, 10 g methyl methacrylate, 40 g n-butyl acrylate, 5 g methacrylic acid, 0.2 g sodium dodecyl sulfate, and 56 g deionized water.
- Example 3 A separable flask equipped with a stirrer and a reflux condenser was charged with 230 g of ion-exchanged water and 1.5 g of sodium dodecylsulfate, and the inside of the flask was replaced with nitrogen gas. Then, the temperature inside the flask was raised to 75°C. Then, 1.0 g of potassium persulfate was added to the flask and dissolved. Then, the emulsion of the monomer composition was continuously added to the flask over about 5 hours.
- the monomer composition emulsion contained 45 g acrylonitrile, 10 g methyl methacrylate, 40 g n-butyl acrylate, 5 g acrylic acid, 0.2 g sodium dodecyl sulfate, and 56 g deionized water.
- Example 4 A separable flask equipped with a stirrer and a reflux condenser was charged with 230 g of ion-exchanged water and 1.5 g of sodium dodecylsulfate, and the inside of the flask was replaced with nitrogen gas. Then, the temperature inside the flask was raised to 75°C. Then, 1.0 g of potassium persulfate was added to the flask and dissolved. Then, the emulsion of the monomer composition was continuously added to the flask over about 5 hours.
- the monomer composition emulsion contained 24 grams of acrylonitrile, 71 grams of n-butyl acrylate, 5 grams of acrylic acid, 0.2 grams of sodium dodecyl sulfate, and 56 grams of deionized water.
- Comparative example 1 A separable flask equipped with a stirrer and a reflux condenser was charged with 170 g of ion-exchanged water and 1.0 g of sodium dodecyldiphenyl ether disulfonate, and the inside of the flask was replaced with nitrogen gas. Then, the temperature inside the flask was raised to 80°C. Then, 0.3 g of sodium persulfate was added to the flask and dissolved. Then, the emulsion of the monomer composition was continuously added to the flask over about 4 hours.
- the monomer composition emulsion contained 44 g of methyl methacrylate, 55 g of ethyl acrylate, 1 g of acrylic acid, 1.0 g of sodium dodecyldiphenyl ether disulfonate, and 40 g of deionized water.
- Comparative example 2 A separable flask equipped with a stirrer and a reflux condenser was charged with 170 g of ion-exchanged water and 1.0 g of sodium dodecyldiphenyl ether disulfonate, and the inside of the flask was replaced with nitrogen gas. Then, the temperature inside the flask was raised to 80°C. Then, 0.3 g of sodium persulfate was added to the flask and dissolved. Then, the emulsion of the monomer composition was continuously added to the flask over about 4 hours.
- the monomer composition emulsion contained 20 g acrylonitrile, 24 g methyl methacrylate, 55 g ethyl acrylate, 1 g acrylic acid, 1.0 g sodium dodecyldiphenylether disulfonate, and 40 g deionized water.
- Comparative example 3 A separable flask equipped with a stirrer and a reflux condenser was charged with 57 g of ion-exchanged water and 0.3 g of sodium dodecyldiphenyl ether disulfonate, and the inside of the flask was replaced with nitrogen gas. Then, the temperature inside the flask was raised to 72°C. Then, 0.3 g of potassium persulfate was added to the flask and dissolved. Then, the emulsion of the monomer composition was continuously added to the flask over about 4 hours.
- the emulsion of the monomer composition contains 51 g of methyl methacrylate, 44 g of 2-ethylhexyl acrylate, 2 g of methacrylic acid, 2 g of 2-hydroxyethyl methacrylate, 1 g of acrylamide, 0.1 g of t-dodecyl mercaptan, 0.3 g of sodium dodecyl diphenyl ether disulfonate, and , contained 40 g of deionized water.
- Comparative example 4 A separable flask equipped with a stirrer and a reflux condenser was charged with 230 g of ion-exchanged water and 1.5 g of sodium dodecylsulfate, and the inside of the flask was replaced with nitrogen gas. Then, the temperature inside the flask was raised to 75°C. Then, 1.0 g of potassium persulfate was added to the flask and dissolved. Then, the emulsion of the monomer composition was continuously added to the flask over about 5 hours.
- the monomer composition emulsion contained 15 g acrylonitrile, 80 g n-butyl acrylate, 5 g acrylic acid, 0.2 g sodium dodecyl sulfate, and 56 g deionized water.
- Comparative example 5 A separable flask equipped with a stirrer and a reflux condenser was charged with 230 g of ion-exchanged water and 1.5 g of sodium dodecylsulfate, and the inside of the flask was replaced with nitrogen gas. Then, the temperature inside the flask was raised to 75°C. Then, 1.0 g of potassium persulfate was added to the flask and dissolved. Then, the emulsion of the monomer composition was continuously added to the flask over about 5 hours.
- the monomer composition emulsion contained 22 grams of acrylonitrile, 76 grams of n-butyl acrylate, 2 grams of acrylic acid, 0.2 grams of sodium dodecyl sulfate, and 56 grams of deionized water.
- Example 5 A separable flask equipped with a stirrer and reflux cooling was charged with 80 g of ion-exchanged water and 0.2 g of sodium dodecyldiphenyletherdisulfonate, and the inside of the flask was replaced with nitrogen gas. Then, the temperature inside the flask was raised to 75°C. Then, 0.5 g of ammonium persulfate was added to the flask and dissolved. Then, the emulsion of the primary composition in the monomer composition was continuously added to the flask over about 6 hours.
- the emulsion of the primary composition in the monomer composition contains 30 g of acrylonitrile, 30 g of n-butyl acrylate, 2 g of methacrylic acid, 3.3 g of 2-hydroxyethyl methacrylate, 1.3 g of N-methylolacrylamide, 0.3 g of sodium dodecyl diphenyl ether disulfonate. 2 g and 40 g of deionized water.
- the temperature of the primary polymer dispersion was raised to 75°C. Then, 0.5 part of ammonium persulfate was added to the flask. The remaining aqueous solution of the monomer composition was then continuously added to the flask over a period of about 2 hours.
- the remaining aqueous solution of the monomer composition contained 6.7 grams of methacrylic acid, 3.3 grams of 2-hydroxyethyl methacrylate, 23.3 grams of methacrylamide, 82 grams of distilled water, and 8 grams of 25% aqueous ammonia.
- Laminate Recycled paper (trade name “OK Prince Quality Eco G100” manufactured by Oji Paper Co., Ltd.) was prepared as a base material containing mineral oil. A mineral oil-resistant coating material was applied to one surface of the recycled paper so that the dry film thickness was 4 ⁇ m, and dried at 90°C. As a result, a coating layer (4 ⁇ m) of the coating material imparting mineral oil resistance was formed on the recycled paper. That is, a laminate comprising recycled paper and a coating layer of a coating material imparting mineral oil resistance was produced.
- Example 3 A sample was prepared for evaluating the mineral oil resistance imparting coating material. That is, uncoated paper (trade name “Shiratama”, manufactured by Oji Paper Co., Ltd.) was prepared. A mineral oil-resistant coating material was applied to one surface of the uncoated paper so that the dry film thickness was 4 ⁇ m, and dried at 90°C. In this way, as a sample, a laminate comprising an uncoated paper and a coating layer of a coating material imparting mineral oil resistance was produced.
- uncoated paper trade name “Shiratama”, manufactured by Oji Paper Co., Ltd.
- Adhesion> An adhesive tape (trade name Cellotape CT405AP-24, manufactured by Nichiban Co., Ltd.) was attached to the coating layer of the mineral oil resistance-imparting coating material of the above sample, and a 2 kg roller was reciprocated once. After that, the adhesive tape was peeled off and evaluated according to the following criteria.
- ⁇ No peeling of the coating layer was observed, or material breakage of the coating layer was observed.
- ⁇ Part of the coating layer was peeled off from the substrate.
- x The entire surface of the coating layer was peeled off from the substrate.
- the blocking resistance of the above samples was evaluated by the following method. That is, two samples (a laminate comprising a non-coated paper and a coating layer of a coating material imparting mineral oil resistance) were laminated, and the surface of the coating layer and the surface of the non-coated paper were brought into contact. . A sample laminate was thus obtained. The sample laminate was pressed with a load of 100 g/cm 2 . Then, the sample laminate was allowed to stand in an environment of 40° C. and 75 RH % humidity for 24 hours. After that, the sample laminate was peeled off. Blocking resistance was evaluated according to the following criteria.
- ⁇ The sample was peeled off without resistance.
- x The samples stuck to each other and the uncoated paper (base material) was damaged.
- the mineral oil resistance-imparting coating material and laminate of the present invention are suitably used in packaging materials.
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
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Abstract
Description
実施例1
撹拌機および還流冷却器付きのセパラブルフラスコに、イオン交換水230gおよびドデシルジフェニルエーテルジスルホン酸ナトリウム1.5gを仕込み、フラスコ内を窒素ガスで置換した。次いで、フラスコ内を75℃に昇温した。次いで、フラスコに過硫酸カリウムを0.5g加えて溶解させた。次いで、フラスコにモノマー組成物の乳化物を約5時間かけて連続添加した。モノマー組成物の乳化物は、アクリロニトリル56g、スチレン5g、メチルメタクリレート5g、n-ブチルアクリレート26g、メタクリル酸8g、n-ドデシルメルカプタン0.1g、ドデシルジフェニルエーテルジスルホン酸ナトリウム0.2g、および、イオン交換水56gを含んでいた。
撹拌機および還流冷却器付きのセパラブルフラスコに、イオン交換水230gおよびドデシル硫酸ナトリウム1.5gを仕込み、フラスコ内を窒素ガスで置換した。次いで、フラスコ内を75℃に昇温した。次いで、フラスコに過硫酸カリウム1.0gを加えて溶解させた。次いで、フラスコにモノマー組成物の乳化物を約5時間かけて連続添加した。モノマー組成物の乳化物は、アクリロニトリル45g、メチルメタクリレート10g、n-ブチルアクリレート40g、メタクリル酸5g、ドデシル硫酸ナトリウム0.2g、および、イオン交換水56gを含んでいた。
撹拌機および還流冷却器付きのセパラブルフラスコに、イオン交換水230gおよびドデシル硫酸ナトリウム1.5gを仕込み、フラスコ内を窒素ガスで置換した。次いで、フラスコ内を75℃に昇温した。次いで、フラスコに過硫酸カリウム1.0gを加えて溶解させた。次いで、フラスコにモノマー組成物の乳化物を約5時間かけて連続添加した。モノマー組成物の乳化物は、アクリロニトリル45g、メチルメタクリレート10g、n-ブチルアクリレート40g、アクリル酸5g、ドデシル硫酸ナトリウム0.2g、および、イオン交換水56gを含んでいた。
撹拌機および還流冷却器付きのセパラブルフラスコに、イオン交換水230gおよびドデシル硫酸ナトリウム1.5gを仕込み、フラスコ内を窒素ガスで置換した。次いで、フラスコ内を75℃に昇温した。次いで、フラスコに過硫酸カリウム1.0gを加えて溶解させた。次いで、フラスコにモノマー組成物の乳化物を約5時間かけて連続添加した。モノマー組成物の乳化物は、アクリロニトリル24g、n-ブチルアクリレート71g、アクリル酸5g、ドデシル硫酸ナトリウム0.2g、および、イオン交換水56gを含んでいた。
撹拌機および還流冷却器付きのセパラブルフラスコに、イオン交換水170gおよびドデシルジフェニルエーテルジスルホン酸ナトリウム1.0gを仕込み、フラスコ内を窒素ガスで置換した。次いで、フラスコ内を80℃に昇温した。次いで、フラスコに過硫酸ナトリウムを0.3g加えて溶解させた。次いで、フラスコにモノマー組成物の乳化物を約4時間かけて連続添加した。モノマー組成物の乳化物は、メチルメタクリレート44g、エチルアクリレート55g、アクリル酸1g、ドデシルジフェニルエーテルジスルホン酸ナトリウム1.0g、および、イオン交換水40gを含んでいた。
撹拌機および還流冷却器付きのセパラブルフラスコに、イオン交換水170gおよびドデシルジフェニルエーテルジスルホン酸ナトリウム1.0gを仕込み、フラスコ内を窒素ガスで置換した。次いで、フラスコ内を80℃に昇温した。次いで、フラスコに過硫酸ナトリウムを0.3g加えて溶解させた。次いで、フラスコにモノマー組成物の乳化物を約4時間かけて連続添加した。モノマー組成物の乳化物は、アクリロニトリル20g、メチルメタクリレート24g、エチルアクリレート55g、アクリル酸1g、ドデシルジフェニルエーテルジスルホン酸ナトリウム1.0g、および、イオン交換水40gを含んでいた。
撹拌機および還流冷却器付きのセパラブルフラスコに、イオン交換水57gおよびドデシルジフェニルエーテルジスルホン酸ナトリウム0.3gを仕込み、フラスコ内を窒素ガスで置換した。次いで、フラスコ内を72℃に昇温した。次いで、フラスコに過硫酸カリウムを0.3g加えて溶解させた。次いで、フラスコにモノマー組成物の乳化物を約4時間かけて連続添加した。モノマー組成物の乳化物は、メチルメタクリレート51g、2-エチルヘキシルアクリレート44g、メタクリル酸2g、2-ヒドロキシエチルメタクリレート2g、アクリルアミド1g、t-ドデシルメルカプタン0.1g、ドデシルジフェニルエーテルジスルホン酸ナトリウム0.3g、および、イオン交換水40gを含んでいた。
撹拌機および還流冷却器付きのセパラブルフラスコに、イオン交換水230gおよびドデシル硫酸ナトリウム1.5gを仕込み、フラスコ内を窒素ガスで置換した。次いで、フラスコ内を75℃に昇温した。次いで、フラスコに過硫酸カリウム1.0gを加えて溶解させた。次いで、フラスコにモノマー組成物の乳化物を約5時間かけて連続添加した。モノマー組成物の乳化物は、アクリロニトリル15g、n-ブチルアクリレート80g、アクリル酸5g、ドデシル硫酸ナトリウム0.2g、および、イオン交換水56gを含んでいた。
撹拌機および還流冷却器付きのセパラブルフラスコに、イオン交換水230gおよびドデシル硫酸ナトリウム1.5gを仕込み、フラスコ内を窒素ガスで置換した。次いで、フラスコ内を75℃に昇温した。次いで、フラスコに過硫酸カリウム1.0gを加えて溶解させた。次いで、フラスコにモノマー組成物の乳化物を約5時間かけて連続添加した。モノマー組成物の乳化物は、アクリロニトリル22g、n-ブチルアクリレート76g、アクリル酸2g、ドデシル硫酸ナトリウム0.2g、および、イオン交換水56gを含んでいた。
攪拌機および還流冷却付きのセパラブルフラスコに、イオン交換水を80gおよびドデシルジフェニルエーテルジスルホン酸ナトリウム0.2gを仕込み、フラスコ内を窒素ガスで置換した。次いで、フラスコ内を75℃に昇温した。次いで、フラスコに過硫酸アンモニウムを0.5g加えて溶解させた。次いで、フラスコにモノマー組成物中の一次組成物の乳化物を約6時間かけて連続添加した。モノマー組成物中の一次組成物の乳化物は、アクリロニトリル30g、n-ブチルアクリレート30g、メタクリル酸2g、2-ヒドロキシエチルメタクリレート3.3g、N-メチロールアクリルアミド1.3g、ドデシルジフェニルエーテルジスルホン酸ナトリウム0.2g、および、イオン交換水40gを含んでいた。
ミネラルオイルを含有する基材として、再生紙(商品名「OKプリンス上質エコG100」、王子製紙社製)を用意した。再生紙の一方側の表面に、耐ミネラルオイル性付与コート材を、乾燥膜厚が4μmとなるように塗工し、90℃で乾燥させた。これにより、再生紙の上に、耐ミネラルオイル性付与コート材の塗工層(4μm)を形成した。すなわち、再生紙と、耐ミネラルオイル性付与コート材の塗工層とを備える積層体を製造した。
<サンプル>
耐ミネラルオイル性付与コート材を評価するためのサンプルを、作成した。すなわち、非塗工紙(商品名「白玉」、王子製紙社製)を用意した。非塗工紙の一方側の表面に、耐ミネラルオイル性付与コート材を、乾燥膜厚が4μmとなるように塗工し、90℃で乾燥させた。これにより、サンプルとして、非塗工紙と耐ミネラルオイル性付与コート材の塗工層とを備える積層体を製造した。
上記サンプルの耐ミネラルオイル性付与コート材の塗工層に対して、粘着テープ(商品名セロテープ(登録商標)CT405AP-24、ニチバン社製)を貼り付け、2kgローラーで1往復させた。その後、粘着テープを剥離し、以下の基準で評価した。
△:塗工層の一部が、基材から剥離した。
×:塗工層の全面が、基材から剥離した。
上記サンプルの耐ミネラルオイル性付与コート材の塗工層に対して、ミネラルオイル(ヘキサンまたはトルエン)を1滴滴下し、ウェスでラビング試験(1kg荷重、50往復)した。その結果を、以下の基準で評価した。
△:塗工層に荒れが確認された。
×:塗工層が溶解した。
上記のサンプルを、谷折り方向に、1回屈曲させた。その後、サンプルの耐ミネラルオイル性を、上記と同じ方法および基準で評価した。その結果を、耐屈曲性の評価とした。
上記サンプルの耐ブロッキング性を、以下の方法で評価した。すなわち、2つのサンプル(非塗工紙と耐ミネラルオイル性付与コート材の塗工層とを備える積層体)を積層し、塗工層の表面と、非塗工紙の表面とを接触させた。これにより、サンプル積層体を得た。サンプル積層体を加重100g/cm2で押圧した。次いで、サンプル積層体を40℃および75RH%湿度環境下で、24時間静置した。その後、サンプル積層体を剥離した。以下の基準で、耐ブロッキング性を評価した。
×:サンプル同士が貼り付き、非塗工紙(基材)が破損した。
Claims (3)
- ニトリル基含有不飽和エチレン性単量体、および、カルボキシ基含有不飽和エチレン性単量体を含有するモノマー組成物の共重合体と、
前記共重合体を溶解および/または分散させる水性溶剤と
を含み、
前記モノマー組成物の総量に対して、
前記ニトリル基含有不飽和エチレン性単量体の含有割合が、21質量%以上70質量%以下であり、
前記カルボキシ基含有不飽和エチレン性単量体の含有割合が、3質量%以上10質量%以下である、
耐ミネラルオイル性付与コート材。 - 前記共重合体のガラス転移温度が、-30℃以上100℃以下である、
請求項1に記載の耐ミネラルオイル性付与コート材。 - 再生紙と、
前記再生紙の少なくとも一方側に形成され、請求項1に記載の耐ミネラルオイル性付与コート材の塗工層と
を備える、積層体。
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Citations (5)
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JPH0679964A (ja) * | 1991-02-20 | 1994-03-22 | Oji Yuka Synthetic Paper Co Ltd | オフセット印刷性の優れた塗工樹脂フィルム |
JP2001072935A (ja) * | 1999-07-15 | 2001-03-21 | Eastman Kodak Co | コーティング組成物 |
JP2014516884A (ja) * | 2011-05-30 | 2014-07-17 | ビーエーエスエフ ソシエタス・ヨーロピア | バリヤー被覆を有する紙包装材および厚紙包装材 |
JP2014520041A (ja) * | 2011-05-30 | 2014-08-21 | ビーエーエスエフ ソシエタス・ヨーロピア | ポリマー混合物からなるバリヤー被覆を有する紙包装材および厚紙包装材 |
JP2015500927A (ja) | 2011-12-06 | 2015-01-08 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | バリヤーコーティングを有する紙包装及び厚紙包装 |
-
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- 2022-08-16 EP EP22861185.1A patent/EP4394003A1/en active Pending
- 2022-08-16 WO PCT/JP2022/030964 patent/WO2023026897A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0679964A (ja) * | 1991-02-20 | 1994-03-22 | Oji Yuka Synthetic Paper Co Ltd | オフセット印刷性の優れた塗工樹脂フィルム |
JP2001072935A (ja) * | 1999-07-15 | 2001-03-21 | Eastman Kodak Co | コーティング組成物 |
JP2014516884A (ja) * | 2011-05-30 | 2014-07-17 | ビーエーエスエフ ソシエタス・ヨーロピア | バリヤー被覆を有する紙包装材および厚紙包装材 |
JP2014520041A (ja) * | 2011-05-30 | 2014-08-21 | ビーエーエスエフ ソシエタス・ヨーロピア | ポリマー混合物からなるバリヤー被覆を有する紙包装材および厚紙包装材 |
JP2015500927A (ja) | 2011-12-06 | 2015-01-08 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | バリヤーコーティングを有する紙包装及び厚紙包装 |
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