JP7456786B2 - エチレン-(メタ)アクリル酸共重合体及びそれを含む水分散組成物 - Google Patents
エチレン-(メタ)アクリル酸共重合体及びそれを含む水分散組成物 Download PDFInfo
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- JP7456786B2 JP7456786B2 JP2020010577A JP2020010577A JP7456786B2 JP 7456786 B2 JP7456786 B2 JP 7456786B2 JP 2020010577 A JP2020010577 A JP 2020010577A JP 2020010577 A JP2020010577 A JP 2020010577A JP 7456786 B2 JP7456786 B2 JP 7456786B2
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- 229920002126 Acrylic acid copolymer Polymers 0.000 title claims description 59
- 239000000203 mixture Substances 0.000 title claims description 47
- 239000006185 dispersion Substances 0.000 title claims description 43
- 238000005227 gel permeation chromatography Methods 0.000 claims description 22
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- 239000000155 melt Substances 0.000 claims description 16
- 230000003472 neutralizing effect Effects 0.000 claims description 14
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 13
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 12
- 239000005977 Ethylene Substances 0.000 claims description 12
- 238000006386 neutralization reaction Methods 0.000 claims description 12
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 7
- HUCVOHYBFXVBRW-UHFFFAOYSA-M caesium hydroxide Chemical compound [OH-].[Cs+] HUCVOHYBFXVBRW-UHFFFAOYSA-M 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 4
- 238000000149 argon plasma sintering Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 3
- 239000002612 dispersion medium Substances 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 description 18
- 238000007789 sealing Methods 0.000 description 18
- 238000005259 measurement Methods 0.000 description 15
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 13
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 13
- 238000000034 method Methods 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 11
- 238000009826 distribution Methods 0.000 description 11
- 239000010410 layer Substances 0.000 description 11
- 238000000576 coating method Methods 0.000 description 10
- 239000012986 chain transfer agent Substances 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 9
- 230000000977 initiatory effect Effects 0.000 description 8
- 239000012790 adhesive layer Substances 0.000 description 7
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 6
- 239000011888 foil Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000003999 initiator Substances 0.000 description 6
- -1 ketone compounds Chemical class 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000704 physical effect Effects 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 239000008188 pellet Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- PBKONEOXTCPAFI-UHFFFAOYSA-N 1,2,4-trichlorobenzene Chemical compound ClC1=CC=C(Cl)C(Cl)=C1 PBKONEOXTCPAFI-UHFFFAOYSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004322 Butylated hydroxytoluene Substances 0.000 description 2
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229940095259 butylated hydroxytoluene Drugs 0.000 description 2
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- FDPIMTJIUBPUKL-UHFFFAOYSA-N pentan-3-one Chemical compound CCC(=O)CC FDPIMTJIUBPUKL-UHFFFAOYSA-N 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
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- 238000002360 preparation method Methods 0.000 description 2
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- 239000011347 resin Substances 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 150000007514 bases Chemical class 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229940095674 pellet product Drugs 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 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
- 230000003685 thermal hair damage Effects 0.000 description 1
- GZXOHHPYODFEGO-UHFFFAOYSA-N triglycine sulfate Chemical class NCC(O)=O.NCC(O)=O.NCC(O)=O.OS(O)(=O)=O GZXOHHPYODFEGO-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/02—Ethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
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- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
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- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
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- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
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- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
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- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
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- C09J123/0876—Neutralised polymers, i.e. ionomers
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- C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
- C08F2500/04—Broad molecular weight distribution, i.e. Mw/Mn > 6
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Description
本発明の実施形態によるエチレン-(メタ)アクリル酸(ethylene-acrylic acid:EAA)共重合体は、エチレン、および(メタ)アクリル酸を単量体として使用し、共重合反応により製造することができる。本出願で使用される用語「(メタ)アクリル酸」は、アクリル酸およびメタクリル酸、またはその誘導体(例えば、(メタ)アクリレート)の全てを意味するものとして使用される。
例示的な実施形態によると、前述したエチレン-(メタ)アクリル酸共重合体を含む水分散組成物が提供される。水分散組成物は、前記エチレン-(メタ)アクリル酸共重合体と、中和剤と、水性分散媒とを含むことができる。
実施例1
(1)エチレン-(メタ)アクリル酸共重合体の製造
単量体としてのエチレン及びアクリル酸(AA)、開始剤としてのt-ブチルペルオクトエート(t-butyl peroctoate)、及び連鎖移動剤としてのイソブタンを一定の投入比を維持しつつ連続フロー反応器(CSTR)内に持続的に注入し、エチレン-アクリル酸共重合体を製造した。具体的には、共重合体中のAAの重量比を20%に調整し、開始剤の効率、即ち共重合体1kgを生産するための開始剤の量が1gとなるように調節した。連鎖移動剤は、全成分の体積に対して4.1vol%で投入した。
1)共重合体の分子量の測定(Mw、Mn、Mz、相対Mz/Mw、絶対Mz/Mw)
GPC測定の前に、前記のようにして合成された共重合体製品の酸基をエステルに転換して、GPCカラムにパッキングされた充填体の表面に吸収されないようにした。前記転換は、公知の方法で行った(YOSHIYUKI IWASE、J.POLYM.SCI.PART A:POLYM.CHEM:VOL.29(1991)を参照)。2~5mgのサンプルを取って、システムの溶出液として使用されるブチル化ヒドロキシトルエン(BHT)200ppm含有1,2,4-Trichlorobenzene 1Mを用いて溶解した。このとき、試料は、前処理機(Agilent PL-SP 260 VS Sample Preparation System)を使用して、150℃で4時間撹拌して製造した。
メルトフローインデックス(MFI)は、ASTM D1238により測定した。測定温度は125℃であり、錘の重量は2.16kgである。測定温度190℃と錘の重量2.16kgの条件でのメルトフローインデックス(MFI)は、ASTM D1238(125℃/2.16kg)により測定した値の20倍の相関関係を用いて示した。
EAA中のアクリル酸(AA%)の含有量は、フーリエ変換赤外分光器(Fourier Transform Infrared Spectroscopy)を用いて測定した。Deuterated Triglycine Sulfateを検出器として用いて、ResolutionProTM ソフトウェア(Agilent社製)を用いて値を算出した。
融点は、示差走査熱量法(Differential Scanning Calorimeter、測定機器:TA社製のQ20)を用いて測定した。
水151gを500mLの二重ガラスジャケット容器に充填し、前述のように製造されたEAA共重合体102gを投入して撹拌しながら、中和剤として10wt%KOH水溶液46.6gを投入した。その後、容器を閉鎖した後、撹拌を継続しながら90℃まで加熱した。1時間後、容器を60℃まで冷却し、未分散の成分は濾過して除去した。
EAA共重合体の製造時の連鎖移動剤の含有量を3.9vol%とした以外は、実施例1と同様の方法で水分散組成物を調製した。
下記表1に示す分子量分布及びMFIを有するEAA共重合体ペレット製品を用いて、実施例1の方法と同様な方法で水分散組成物を調製した。
下記表1に示す分子量分布を有するEAA共重合体ペレット製品を用いて、以下のようにして水分散組成物を調製した。まず、水190gを500mLの二重ガラスジャケット容器内に充填し、EAA共重合体75gを投入して撹拌しながら、中和剤として30wt%濃度のKOH水溶液を35.7g投入した。容器を閉鎖した後、撹拌を継続しながら90℃まで加熱した。1時間後、容器を60℃まで冷却し、未分散の成分は濾過して除去した。
1)シール開始温度(SIT)の測定
実施例及び比較例の水分散組成物をワイヤー-コーティングバーを用いて110μm厚さのアルミ箔上に均一に塗布した後、110℃で10分間乾燥して、30μmのコーティング膜を形成した。コーティング膜を含む箔を横幅2.5cm及び長さ15cmの大きさに切断し、コーティングサンプルを製造した。
Claims (14)
- 3.5~8.0の範囲の多分散指数(PDI)を有し、190℃及び2.16kgの条件で測定されたメルトフローインデックス(MFI)が350~1,800g/10minであり、
(メタ)アクリル酸の含有量は15~30重量%であり、エチレンの含有量は70~85重量%である、エチレン-(メタ)アクリル酸共重合体。 - 50~95℃の融点を有する、請求項1に記載のエチレン-(メタ)アクリル酸共重合体。
- 10,000~60,000の重量平均分子量を有する、請求項1に記載のエチレン-(メタ)アクリル酸共重合体。
- それぞれゲル透過クロマトグラフィー(GPC)で測定したz-平均分子量(Mz)と重量平均分子量(Mw)の比(Mz/Mw)は、2.5~5である、請求項1に記載のエチレン-(メタ)アクリル酸共重合体。
- それぞれゲル透過クロマトグラフィー(GPC)-光散乱(LS)検出器で測定したz-平均分子量(Mz)と重量平均分子量(Mw)の比(Mz/Mw)は、4~12である、請求項1に記載のエチレン-(メタ)アクリル酸共重合体。
- 多分散指数(PDI)は3.8~6.0であり、メルトフローインデックス(MFI)は1,000~1,500g/10minである、請求項1に記載のエチレン-(メタ)アクリル酸共重合体。
- 3.5~8.0の範囲の多分散指数(PDI)を有し、190℃及び2.16kgの条件で測定されたメルトフローインデックス(MFI)が350~1,800g/10minであるエチレン-(メタ)アクリル酸共重合体と、
中和剤と、
水性分散媒とを含む、水分散組成物。 - 20~50%の固形分を有する、請求項7に記載の水分散組成物。
- 30~40%の固形分を有する、請求項7に記載の水分散組成物。
- 25℃における粘度が100~10,000mPa・sである、請求項7に記載の水分散組成物。
- 25℃における粘度が100~2,500mPa・sである、請求項7に記載の水分散組成物。
- 前記エチレン-(メタ)アクリル酸共重合体に含まれる酸基の中和度は、25~50%である、請求項11に記載の水分散組成物。
- 前記中和剤は、NH4OH、有機アミン、KOH、NaOH、CsOHおよびLiOHからなる群より選択される少なくとも一つを含む、請求項11に記載の水分散組成物。
- ポリオレフィン系の高分子をさらに含む、請求項7に記載の水分散組成物。
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