JP6447083B2 - 湿気硬化型ポリウレタンホットメルト樹脂組成物、接着剤及び積層体 - Google Patents
湿気硬化型ポリウレタンホットメルト樹脂組成物、接着剤及び積層体 Download PDFInfo
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- JP6447083B2 JP6447083B2 JP2014254000A JP2014254000A JP6447083B2 JP 6447083 B2 JP6447083 B2 JP 6447083B2 JP 2014254000 A JP2014254000 A JP 2014254000A JP 2014254000 A JP2014254000 A JP 2014254000A JP 6447083 B2 JP6447083 B2 JP 6447083B2
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- KXBFLNPZHXDQLV-UHFFFAOYSA-N [cyclohexyl(diisocyanato)methyl]cyclohexane Chemical compound C1CCCCC1C(N=C=O)(N=C=O)C1CCCCC1 KXBFLNPZHXDQLV-UHFFFAOYSA-N 0.000 description 1
- YVHDRFKHKGNLNW-UHFFFAOYSA-L [dibutyl(octadecanoyloxy)stannyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCCCCCCCC YVHDRFKHKGNLNW-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- JPUHCPXFQIXLMW-UHFFFAOYSA-N aluminium triethoxide Chemical compound CCO[Al](OCC)OCC JPUHCPXFQIXLMW-UHFFFAOYSA-N 0.000 description 1
- MQPPCKJJFDNPHJ-UHFFFAOYSA-K aluminum;3-oxohexanoate Chemical compound [Al+3].CCCC(=O)CC([O-])=O.CCCC(=O)CC([O-])=O.CCCC(=O)CC([O-])=O MQPPCKJJFDNPHJ-UHFFFAOYSA-K 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 1
- BVFSYZFXJYAPQJ-UHFFFAOYSA-N butyl(oxo)tin Chemical compound CCCC[Sn]=O BVFSYZFXJYAPQJ-UHFFFAOYSA-N 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 239000012461 cellulose resin Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- XBZSBBLNHFMTEB-UHFFFAOYSA-N cyclohexane-1,3-dicarboxylic acid Chemical compound OC(=O)C1CCCC(C(O)=O)C1 XBZSBBLNHFMTEB-UHFFFAOYSA-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
- VAROLYSFQDGFMV-UHFFFAOYSA-K di(octanoyloxy)alumanyl octanoate Chemical compound [Al+3].CCCCCCCC([O-])=O.CCCCCCCC([O-])=O.CCCCCCCC([O-])=O VAROLYSFQDGFMV-UHFFFAOYSA-K 0.000 description 1
- JGFBRKRYDCGYKD-UHFFFAOYSA-N dibutyl(oxo)tin Chemical compound CCCC[Sn](=O)CCCC JGFBRKRYDCGYKD-UHFFFAOYSA-N 0.000 description 1
- AYOHIQLKSOJJQH-UHFFFAOYSA-N dibutyltin Chemical compound CCCC[Sn]CCCC AYOHIQLKSOJJQH-UHFFFAOYSA-N 0.000 description 1
- POLVRWSQZMVOIP-UHFFFAOYSA-N dibutyltin;2-ethylhexanoic acid Chemical compound CCCC[Sn]CCCC.CCCCC(CC)C(O)=O.CCCCC(CC)C(O)=O POLVRWSQZMVOIP-UHFFFAOYSA-N 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- WNVQCJNZEDLILP-UHFFFAOYSA-N dimethyl(oxo)tin Chemical compound C[Sn](C)=O WNVQCJNZEDLILP-UHFFFAOYSA-N 0.000 description 1
- LQRUPWUPINJLMU-UHFFFAOYSA-N dioctyl(oxo)tin Chemical compound CCCCCCCC[Sn](=O)CCCCCCCC LQRUPWUPINJLMU-UHFFFAOYSA-N 0.000 description 1
- MYFPOWLHENHPTG-UHFFFAOYSA-L dioctyltin(2+);3-sulfanylpropanoate Chemical compound [O-]C(=O)CCS.[O-]C(=O)CCS.CCCCCCCC[Sn+2]CCCCCCCC MYFPOWLHENHPTG-UHFFFAOYSA-L 0.000 description 1
- ROORDVPLFPIABK-UHFFFAOYSA-N diphenyl carbonate Chemical compound C=1C=CC=CC=1OC(=O)OC1=CC=CC=C1 ROORDVPLFPIABK-UHFFFAOYSA-N 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-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
- 239000003480 eluent Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- UARGAUQGVANXCB-UHFFFAOYSA-N ethanol;zirconium Chemical compound [Zr].CCO.CCO.CCO.CCO UARGAUQGVANXCB-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 229960004275 glycolic acid Drugs 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- MHIBEGOZTWERHF-UHFFFAOYSA-N heptane-1,1-diol Chemical compound CCCCCCC(O)O MHIBEGOZTWERHF-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007641 inkjet printing Methods 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
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 1
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- ITNVWQNWHXEMNS-UHFFFAOYSA-N methanolate;titanium(4+) Chemical compound [Ti+4].[O-]C.[O-]C.[O-]C.[O-]C ITNVWQNWHXEMNS-UHFFFAOYSA-N 0.000 description 1
- AYLRODJJLADBOB-QMMMGPOBSA-N methyl (2s)-2,6-diisocyanatohexanoate Chemical compound COC(=O)[C@@H](N=C=O)CCCCN=C=O AYLRODJJLADBOB-QMMMGPOBSA-N 0.000 description 1
- CXHHBNMLPJOKQD-UHFFFAOYSA-M methyl carbonate Chemical compound COC([O-])=O CXHHBNMLPJOKQD-UHFFFAOYSA-M 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 150000002780 morpholines Chemical class 0.000 description 1
- 125000006203 morpholinoethyl group Chemical group [H]C([H])(*)C([H])([H])N1C([H])([H])C([H])([H])OC([H])([H])C1([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
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- FVXBCDWMKCEPCL-UHFFFAOYSA-N nonane-1,1-diol Chemical compound CCCCCCCCC(O)O FVXBCDWMKCEPCL-UHFFFAOYSA-N 0.000 description 1
- JFNLZVQOOSMTJK-KNVOCYPGSA-N norbornene Chemical compound C1[C@@H]2CC[C@H]1C=C2 JFNLZVQOOSMTJK-KNVOCYPGSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- VPPWQRIBARKZNY-UHFFFAOYSA-N oxo(diphenyl)tin Chemical compound C=1C=CC=CC=1[Sn](=O)C1=CC=CC=C1 VPPWQRIBARKZNY-UHFFFAOYSA-N 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
- UWJJYHHHVWZFEP-UHFFFAOYSA-N pentane-1,1-diol Chemical compound CCCCC(O)O UWJJYHHHVWZFEP-UHFFFAOYSA-N 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 239000012994 photoredox catalyst Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920001230 polyarylate Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 238000003918 potentiometric titration Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- ZGSOBQAJAUGRBK-UHFFFAOYSA-N propan-2-olate;zirconium(4+) Chemical compound [Zr+4].CC(C)[O-].CC(C)[O-].CC(C)[O-].CC(C)[O-] ZGSOBQAJAUGRBK-UHFFFAOYSA-N 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008117 stearic acid Substances 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
- 238000003786 synthesis reaction Methods 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 235000007586 terpenes Nutrition 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
- CRHIAMBJMSSNNM-UHFFFAOYSA-N tetraphenylstannane Chemical compound C1=CC=CC=C1[Sn](C=1C=CC=CC=1)(C=1C=CC=CC=1)C1=CC=CC=C1 CRHIAMBJMSSNNM-UHFFFAOYSA-N 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- JMXKSZRRTHPKDL-UHFFFAOYSA-N titanium ethoxide Chemical compound [Ti+4].CC[O-].CC[O-].CC[O-].CC[O-] JMXKSZRRTHPKDL-UHFFFAOYSA-N 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- GQZXITZWLBSSOI-UHFFFAOYSA-M tributylstannyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)CCCC GQZXITZWLBSSOI-UHFFFAOYSA-M 0.000 description 1
- 239000013638 trimer Substances 0.000 description 1
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 description 1
- IWOFALPTNUKCOS-UHFFFAOYSA-M triphenylstannyl octadecanoate Chemical compound C1=CC=CC=C1[Sn+](C=1C=CC=CC=1)C1=CC=CC=C1.CCCCCCCCCCCCCCCCCC([O-])=O IWOFALPTNUKCOS-UHFFFAOYSA-M 0.000 description 1
- NSPWVJAKNXJHEP-UHFFFAOYSA-N tripropyltin Chemical compound CCC[Sn](CCC)CCC NSPWVJAKNXJHEP-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 150000003755 zirconium compounds Chemical class 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Polyurethanes Or Polyureas (AREA)
- Adhesives Or Adhesive Processes (AREA)
Description
カラム:東ソー株式会社製の下記のカラムを直列に接続して使用した。
「TSKgel G5000」(7.8mmI.D.×30cm)×1本
「TSKgel G4000」(7.8mmI.D.×30cm)×1本
「TSKgel G3000」(7.8mmI.D.×30cm)×1本
「TSKgel G2000」(7.8mmI.D.×30cm)×1本
検出器:RI(示差屈折計)
カラム温度:40℃
溶離液:テトラヒドロフラン(THF)
流速:1.0mL/分
注入量:100μL(試料濃度0.4質量%のテトラヒドロフラン溶液)
標準試料:下記の標準ポリスチレンを用いて検量線を作成した。
東ソー株式会社製「TSKgel 標準ポリスチレン A−500」
東ソー株式会社製「TSKgel 標準ポリスチレン A−1000」
東ソー株式会社製「TSKgel 標準ポリスチレン A−2500」
東ソー株式会社製「TSKgel 標準ポリスチレン A−5000」
東ソー株式会社製「TSKgel 標準ポリスチレン F−1」
東ソー株式会社製「TSKgel 標準ポリスチレン F−2」
東ソー株式会社製「TSKgel 標準ポリスチレン F−4」
東ソー株式会社製「TSKgel 標準ポリスチレン F−10」
東ソー株式会社製「TSKgel 標準ポリスチレン F−20」
東ソー株式会社製「TSKgel 標準ポリスチレン F−40」
東ソー株式会社製「TSKgel 標準ポリスチレン F−80」
東ソー株式会社製「TSKgel 標準ポリスチレン F−128」
東ソー株式会社製「TSKgel 標準ポリスチレン F−288」
東ソー株式会社製「TSKgel 標準ポリスチレン F−550」
温度計、撹拌機、不活性ガス導入口および還流冷却器を備えた四ツ口フラスコに、ポリカーボネートポリオール(旭化成ケミカルズ株式会社製「デュラノールT4672」、数平均分子量;2,000、Tmg;10℃、以下「T4672」と略記する。)38.5質量部、結晶性ポリエステルポリオール(PEs−1;1,6−ヘキサンジオールとセバシン酸とを反応させたもの、Tmg;65℃、数平均分子量;3,500)10質量部、芳香族ポリエステルポリオール(PE−1;ネオペンチルグリコール、ジエチレングリコール及びオルトフタル酸を反応させたもの、数平均分子量;1,000)38.5質量部、アクリル重合体1(アクリル酸ブチル/メタクリル酸メチル/アクリル酸エチル/メタクリル酸2−ヒドロキシエチル=69.65/25/5/0.35(質量比)で反応させたもの、数平均分子量;13,000、ガラス転移温度;−30.3℃)を10質量部、エチレン−酢酸ビニル共重合体(東ソー株式会社製「ウルトラセン735」、軟化点;67℃、酢酸ビニル含有率;28質量%、MFR;1,000g/10分)10質量部を仕込み、100℃減圧条件下で水分含有率が0.05質量%以下となるまで脱水した。
次いで、容器内温度70℃に冷却後、キシリレンジイソシアネート(以下「XDI」と略記する。)13.2質量部とオクチル酸錫0.03質量部を加え、100℃まで昇温して、NCO%が一定となるまで約3時間反応させて、湿気硬化型ポリウレタンホットメルト樹脂組成物を得た。
用いるポリオール(a1)、ポリイソシアネート(a2)、アクリル重合体(B)、熱可塑性樹脂(C)の種類及び/又は量を表1〜2に示す通りに変更した以外は実施例1と同様に湿気硬化型ポリウレタンホットメルト樹脂組成物を得た。
実施例及び比較例で得られた湿気硬化型ポリウレタンホットメルト樹脂組成物を120℃に溶融させて、ロールコーターにて200μm厚みのコロナ処理PET上に100μmにて塗布し、ポリアミドシート(厚さ2mm)を貼り合せて、それぞれ23℃、湿度65%の恒温槽に2時間放置し、その後180℃剥離強度(N/inch)をJISK−7311−1995に準拠して測定した。
実施例及び比較例で得られた湿気硬化型ポリウレタンホットメルト樹脂組成物を120℃に溶融させて、ロールコーターにて200μm厚みのコロナ処理PET上に100μmにて塗布し、ポリアミドシート(厚さ2mm)を貼り合せて、それぞれ23℃、湿度65%の恒温槽に3日間放置し、その後180℃剥離強度(N/inch)をJISK−7311−1995に準拠して測定した。
実施例及び比較例で得られた湿気硬化型ポリウレタンホットメルト樹脂組成物を120℃に溶融し、120℃に予め加熱された内径0.6mmのディスペンサーニードル(「VALVE MASTER ME−5000VT」、武蔵エンジニアリング製)を用いて吐出圧力:0.3MPa、速度:50mm/秒にて、ポリアミドシート(厚さ2mm:5cm×5cm)上に、4cm×4cmの正方形を描くように塗布して、次いで、アクリル板を貼り合せ、23℃、65%RHの条件下で3日間放置した。
次いで、デュポン式落下衝撃試験機にてアクリル板から撃芯を介して、荷重:300g、高さ:30cmで衝撃を5回与える条件にて、基材の剥がれの発生の有無を目視観察し、以下のように判断した。
「T」:剥がれが発生しなかった。
「F」:剥がれが発生していた。
実施例及び比較例で得られた湿気硬化型ポリウレタンホットメルト樹脂組成物を120℃に溶融させて、ロールコーターにて200μm厚みのコロナ処理PET上に100μmにて塗布し、ポリアミドシート(厚さ2mm)を貼り合せて、それぞれ23℃、湿度65%の恒温槽に3日間放置して得られた積層体を、80℃の乾燥機に入れ、30分放置した。放置後に、上記[接着性の評価方法]と同様に180°剥離強度(N/inch)を測定し、更に手で剥離可能かを評価した。なお、手で容易に剥離できたものは「T」、手で剥離できなかったものは「F」と評価した。
・「T5652」;ポリカーボネートポリオール(旭化成ケミカルズ株式会社製「デュラノールT5652」、Tmg;−10℃、数平均分子量;2,000)
・「結晶性PEs−2」;1,6−ヘキサンジオールとアジピン酸とを反応させたもの、数平均分子量;2,000、Tmg;45℃
・「非晶性PEs−1」(ビスフェノールAのアルキレンオキサイド6モル付加物とイソフタル酸とセバシン酸とを反応させたもの、Tmg;10℃、数平均分子量;2,000)
・「水添XDI」;水添キシリレンジイソシアネート
Claims (9)
- 少なくとも、ポリアミドからなる基材(i)、及び、湿気硬化型ポリウレタンホットメルト樹脂組成物を湿気硬化させて得られた接着剤からなる接着剤層(ii)を有する積層体であり、
前記湿気硬化型ポリウレタンホットメルト樹脂組成物が、ポリカーボネートポリオール(a1−1)、結晶性ポリエステルポリオール(a1−2)及び2,2−ジメチル−1,3−プロピレン基を有するグリコールをグリコール成分中90モル%以上含有する芳香族ポリエステルポリオール(a1−3)を含有するポリオール(a1)とポリイソシアネート(a2)とを反応させて得られるイソシアネート基を有するウレタンプレポリマー(A)、アクリル重合体(B)、及び、軟化点が50〜80℃の範囲である熱可塑性樹脂(C)を含有することを特徴とする積層体。 - 前記アクリル重合体(B)が、ブチル(メタ)アクリレート、及び/又は、2−エチルヘキシル(メタ)アクリレートを含有する(メタ)アクリル化合物を重合して得られるものである請求項1記載の積層体。
- 前記アクリル重合体(B)の数平均分子量が、1,000〜100,000の範囲である請求項1記載の積層体。
- 前記アクリル重合体(B)の含有量が、前記ウレタンプレポリマー(A)100質量部に対して、5〜20質量部の範囲である請求項1記載の積層体。
- 前記熱可塑性樹脂(C)が、エチレン−酢酸ビニル共重合体である請求項1記載の積層体。
- 前記熱可塑性樹脂(C)の含有量が、前記ウレタンプレポリマー(A)100質量部に対して、5〜20質量部の範囲である請求項1記載の積層体。
- 前記ポリオール(a1)が、更に、ビスフェノールAのアルキレンオキサイド付加物と多塩基酸とを反応させて得られる非晶性ポリエステルポリオール(a1−4)を含有するものである請求項1記載の積層体。
- 前記ポリイソシアネート(a2)が、キシリレンジイソシアート、及び/又は、水添キシリレンジイソシアネートである請求項1記載の積層体。
- ポリアミドからなる基材(i)上に接着剤層(ii)を有するものである請求項1記載の積層体。
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