JPWO2013141334A1 - フィルム用アクリル樹脂組成物 - Google Patents
フィルム用アクリル樹脂組成物 Download PDFInfo
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- JPWO2013141334A1 JPWO2013141334A1 JP2013514459A JP2013514459A JPWO2013141334A1 JP WO2013141334 A1 JPWO2013141334 A1 JP WO2013141334A1 JP 2013514459 A JP2013514459 A JP 2013514459A JP 2013514459 A JP2013514459 A JP 2013514459A JP WO2013141334 A1 JPWO2013141334 A1 JP WO2013141334A1
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- carbon atoms
- acrylic resin
- film
- formula
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- 229920000178 Acrylic resin Polymers 0.000 title claims abstract description 73
- 239000004925 Acrylic resin Substances 0.000 title claims abstract description 73
- 239000000203 mixture Substances 0.000 title claims abstract description 36
- 239000004611 light stabiliser Substances 0.000 claims abstract description 41
- 150000001412 amines Chemical class 0.000 claims abstract description 36
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical group C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 claims abstract description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 111
- 239000000178 monomer Substances 0.000 claims description 101
- 229920000642 polymer Polymers 0.000 claims description 73
- -1 1,4-piperazinediyl Chemical group 0.000 claims description 51
- 229920001971 elastomer Polymers 0.000 claims description 50
- 239000005060 rubber Substances 0.000 claims description 49
- 125000000217 alkyl group Chemical group 0.000 claims description 48
- 238000000034 method Methods 0.000 claims description 39
- 229920005992 thermoplastic resin Polymers 0.000 claims description 23
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 17
- 125000002947 alkylene group Chemical group 0.000 claims description 15
- 125000005250 alkyl acrylate group Chemical group 0.000 claims description 14
- 125000003545 alkoxy group Chemical group 0.000 claims description 13
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 13
- 125000003277 amino group Chemical group 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 11
- 125000003884 phenylalkyl group Chemical group 0.000 claims description 10
- 125000003386 piperidinyl group Chemical group 0.000 claims description 10
- 230000000379 polymerizing effect Effects 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 10
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 7
- 125000003342 alkenyl group Chemical group 0.000 claims description 7
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 7
- 125000002252 acyl group Chemical group 0.000 claims description 6
- 229920005672 polyolefin resin Polymers 0.000 claims description 6
- 239000004800 polyvinyl chloride Substances 0.000 claims description 6
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 6
- 229920005668 polycarbonate resin Polymers 0.000 claims description 5
- 239000004431 polycarbonate resin Substances 0.000 claims description 5
- 238000010559 graft polymerization reaction Methods 0.000 claims description 4
- 125000003031 C5-C7 cycloalkylene group Chemical group 0.000 claims description 3
- 125000004450 alkenylene group Chemical group 0.000 claims description 3
- 125000000304 alkynyl group Chemical group 0.000 claims description 3
- 125000004419 alkynylene group Chemical group 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 3
- 125000004966 cyanoalkyl group Chemical group 0.000 claims description 3
- 125000002993 cycloalkylene group Chemical group 0.000 claims description 3
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 3
- 125000000467 secondary amino group Chemical class [H]N([*:1])[*:2] 0.000 claims 1
- 230000000740 bleeding effect Effects 0.000 abstract description 10
- 230000015572 biosynthetic process Effects 0.000 abstract description 7
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- 239000008188 pellet Substances 0.000 description 13
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- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 12
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- 239000004094 surface-active agent Substances 0.000 description 9
- 238000007792 addition Methods 0.000 description 8
- 238000002156 mixing Methods 0.000 description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 7
- 239000003963 antioxidant agent Substances 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 7
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- 239000006057 Non-nutritive feed additive Substances 0.000 description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 6
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- 238000000465 moulding Methods 0.000 description 6
- 229920002554 vinyl polymer Polymers 0.000 description 6
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 5
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- 239000011734 sodium Substances 0.000 description 5
- 229910052708 sodium Inorganic materials 0.000 description 5
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
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- 238000005185 salting out Methods 0.000 description 4
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 3
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- 230000003078 antioxidant effect Effects 0.000 description 3
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 235000003891 ferrous sulphate Nutrition 0.000 description 3
- 239000011790 ferrous sulphate Substances 0.000 description 3
- 239000003999 initiator Substances 0.000 description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 3
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 239000003505 polymerization initiator Substances 0.000 description 3
- XWGJFPHUCFXLBL-UHFFFAOYSA-M rongalite Chemical compound [Na+].OCS([O-])=O XWGJFPHUCFXLBL-UHFFFAOYSA-M 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 150000003335 secondary amines Chemical class 0.000 description 3
- 238000007086 side reaction Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 150000003512 tertiary amines Chemical class 0.000 description 3
- RMVRSNDYEFQCLF-UHFFFAOYSA-N thiophenol Chemical compound SC1=CC=CC=C1 RMVRSNDYEFQCLF-UHFFFAOYSA-N 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 239000003109 Disodium ethylene diamine tetraacetate Substances 0.000 description 2
- ZGTMUACCHSMWAC-UHFFFAOYSA-L EDTA disodium salt (anhydrous) Chemical compound [Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O ZGTMUACCHSMWAC-UHFFFAOYSA-L 0.000 description 2
- 239000004594 Masterbatch (MB) Substances 0.000 description 2
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 description 2
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- 239000002253 acid Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 2
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- 230000015271 coagulation Effects 0.000 description 2
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- 238000001035 drying Methods 0.000 description 2
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- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 2
- 239000002198 insoluble material Substances 0.000 description 2
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- 230000007774 longterm Effects 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 2
- KZCOBXFFBQJQHH-UHFFFAOYSA-N octane-1-thiol Chemical compound CCCCCCCCS KZCOBXFFBQJQHH-UHFFFAOYSA-N 0.000 description 2
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- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- FBCQUCJYYPMKRO-UHFFFAOYSA-N prop-2-enyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC=C FBCQUCJYYPMKRO-UHFFFAOYSA-N 0.000 description 2
- NHARPDSAXCBDDR-UHFFFAOYSA-N propyl 2-methylprop-2-enoate Chemical compound CCCOC(=O)C(C)=C NHARPDSAXCBDDR-UHFFFAOYSA-N 0.000 description 2
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- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
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- 229920003067 (meth)acrylic acid ester copolymer Polymers 0.000 description 1
- WVAFEFUPWRPQSY-UHFFFAOYSA-N 1,2,3-tris(ethenyl)benzene Chemical compound C=CC1=CC=CC(C=C)=C1C=C WVAFEFUPWRPQSY-UHFFFAOYSA-N 0.000 description 1
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 description 1
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
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- YHAIUSTWZPMYGG-UHFFFAOYSA-L disodium;2,2-dioctyl-3-sulfobutanedioate Chemical compound [Na+].[Na+].CCCCCCCCC(C([O-])=O)(C(C([O-])=O)S(O)(=O)=O)CCCCCCCC YHAIUSTWZPMYGG-UHFFFAOYSA-L 0.000 description 1
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Abstract
Description
前記高分子量ヒンダードアミン系光安定剤(A)が下記式(I)で表される構造単位を含む[1]に記載のフィルム用アクリル樹脂組成物;
なお、前記Lは、炭素原子数1〜18のアルキル基;無置換または1、2もしくは3個の炭素原子数1〜4のアルキル基により置換された炭素原子数5〜12のシクロアルキル基;炭素原子数3〜18のアルケニル基;無置換または1、2もしくは3個の炭素原子数1〜4のアルキル基もしくは炭素原子数1〜4のアルコキシ基により置換されたフェニル基;無置換またはフェニル基上で1、2もしくは3個の炭素原子数1〜4のアルキル基により置換された炭素原子数7〜9のフェニルアルキル基;または、テトラヒドロフルフリル基もしくは2、3もしくは4位において−OH、炭素原子数1〜8のアルコキシ基、ジ(炭素原子数1〜4のアルキル)アミノ基もしくは次式(g)
前記高分子量ヒンダードアミン系光安定剤(A)の含有量が前記アクリル樹脂(B)100質量部に対して0.1質量部以上3質量部以下である[1]または[2]記載のフィルム用アクリル樹脂組成物。
前記高分子量ヒンダードアミン系光安定剤(A)において、ピペリジン骨格以外のアミノ基が2級アミンまたは非環状の3級アミンである[1]〜[3]のいずれかに記載のフィルム用アクリル樹脂組成物。
前記高分子量ヒンダードアミン系光安定剤(A)において、ピペリジン骨格以外のアミノ基が非環状の3級アミンである[1]〜[3]のいずれかに記載のフィルム用アクリル樹脂組成物。
前記アクリル樹脂(B)が、アクリル酸アルキルを主成分として含む単量体成分(B−1−a)を重合して得られるゴム重合体(B1a)の存在下に、メタクリル酸アルキルを主成分として含む単量体成分(B−1−b)をグラフト重合して得られたゴム含有重合体である[1]〜[5]のいずれかに記載のフィルム用アクリル樹脂組成物。
[1]〜[6]のいずれかに記載のフィルム用アクリル樹脂組成物を溶融押出しし、Tダイ法により溶融押出物を、フィルムに製膜する方法。
[1]〜[6]のいずれかに記載のフィルム用アクリル樹脂組成物を用いて得られる厚さ10〜500μmのアクリル樹脂フィルム。
[7]記載の方法により得られる厚み10〜500μmのアクリル樹脂フィルム。
[8]記載のアクリル樹脂フィルムと熱可塑性樹脂基材との積層体。
前記熱可塑性樹脂基材が、ポリ塩化ビニル樹脂、ABS樹脂、ポリカーボネート樹脂又はポリオレフィン樹脂である、[10]記載の積層体。
前記熱可塑性樹脂基材の厚みが50〜500μmであり、前記アクリル樹脂フィルムの厚みが10〜180μmである、[10]又は[11]記載の積層体。
[9]記載のアクリル樹脂フィルムと熱可塑性樹脂基材との積層体。
前記熱可塑性樹脂基材が、ポリ塩化ビニル樹脂、ABS樹脂、ポリカーボネート樹脂又はポリオレフィン樹脂である、[13]記載の積層体。
前記熱可塑性樹脂基材の厚みが50〜500μmであり、前記アクリル樹脂フィルムの厚みが10〜180μmである、[13]又は[15]記載の積層体。
高分子量ヒンダードアミン系光安定剤(A)は、酸化劣化で生成したラジカルを捕捉することにより光安定化に寄与する。特に紫外線吸収剤との併用により相乗効果を示し、樹脂に優れた耐候性を付与する。
式(I)中、Rは、次式(d)で表される基を表す。
フィルムのロールへのスティッキングが大きくなれば剥離性が低下し、剥離点が上昇する。
アクリル樹脂(B)としては、下記のゴム含有重合体(B−1)及び/または熱可塑性重合体(B−2)を用いることができる。
ゴム含有重合体(B−1)は、アクリル酸アルキルを主成分として含む単量体成分(B−1−a)を重合して得られるゴム重合体(B1a)の存在下に、メタクリル酸アルキルを主成分として含む単量体成分(B−1−b)をグラフト重合して得られたゴム含有重合体である。なお、本発明において「主成分」とは50質量%以上を意味する。なお、本発明においては、「微小な種粒子」の存在下に単量体成分(B−1−a)の重合を行うこともできる。この微小な種粒子は、例えば、メタクリル酸エステルを40質量%以上含む単量体混合物を重合させることによって製造することができる。この場合、ゴム含有重合体(B−1)100質量%中における「微小な種粒子」の含有量は10質量%以下であることが好ましい。単量体成分(B−1−a)または(B−1−b)を重合する際、単量体成分(B−1−a)または(B−1−b)を重合容器内に一括で添加して重合しても良く、2段階以上に分けて添加して重合しても良い。フィルムの耐成形白化性及び耐衝撃性の観点から、2段階以上に分けて重合することが好ましい。
単量体成分(B−1−a)中のアクリル酸アルキルとしては、例えば、アクリル酸メチル、アクリル酸エチル、アクリル酸プロピル、アクリル酸n−ブチル、アクリル酸2−エチルヘキシル、アクリル酸n−オクチル等が挙げられる。これらの中で、アクリル酸n−ブチルが好ましい。これらは単独でまたは二種以上を混合して使用できる。
ゴム含有重合体(B−1)は、ゴム重合体(B1a)の存在下に、メタクリル酸アルキルを主成分として含む単量体成分(B−1−b)をグラフト重合して得られたゴム含有重合体である。
単量体成分(B−1−b)を重合する前に、アクリル酸アルキル9.9〜90質量%、メタクリル酸アルキル9.9〜90質量%、これら((メタ)アクリル酸アルキル)と共重合可能な二重結合を有する他の単量体0〜20質量%、及び多官能性単量体0.1〜10質量%を含む単量体成分(B−1−c)をゴム重合体(B1a)の存在下に重合してもよい。ここで用いる単量体としては、具体的には、ゴム重合体(B1a)の説明において挙げたものを用いることができる。
ゴム含有重合体(B−1)の製造法としては、例えば、逐次多段乳化重合法、及びゴム状重合体(B1a)の存在下に、単量体成分(B−1−c)を逐次多段乳化重合させた後に単量体成分(B−1−b)重合時に懸濁重合に転換させる乳化懸濁重合法が挙げられる。
熱可塑性重合体(B−2)は、メタクリル酸アルキル単位を主成分とする重合体である。
本発明において、ピペリジン骨格とは、式(d)のR1が水素原子であるものをいう。
つまり2,2,6,6テトラメチルピペリジル基をいう。
本発明において使用可能な紫外線吸収剤の種類の例を列挙すれば、以下の通りである。
本発明において使用可能な抗酸化剤の種類の例を列挙すれば、以下の通りである。
本発明に用いることができる加工助剤は、例えば、メタクリル酸メチル50〜100質量%と、これと共重合可能な1種以上のビニル単量体0〜50質量%とからなる重合体である。用いるメタクリル酸メチルと共重合可能なビニル単量体としては、例えば、芳香族ビニル単量体、シアン化ビニル単量体、メタクリル酸メチル以外のメタクリル酸アルキル、アクリル酸アルキルが挙げられる。芳香族ビニル単量体の具体例としては、スチレン、α−置換スチレン、核置換スチレン及びその誘導体(例えばα−メチルスチレン、クロルスチレン、ビニルトルエン)が挙げられる。シアン化ビニル単量体の具体例としては、アクリロニトリル、メタクリロニトリルが挙げられる。メタクリル酸メチル以外のメタクリル酸アルキルの具体例としては、メタクリル酸エチル、メタクリル酸プロピル、メタクリル酸ブチルが挙げられる。この還元粘度(重合体0.1gをクロロホルム100mlに溶解し、25℃で測定)は0.2〜2L/gであることが好ましく、0.2〜1.2L/gであることがより好ましく、0.2〜0.8L/gであることが特に好ましい。この加工助剤を用いることにより、アクリル樹脂組成物の成形性を向上させることができる。加工助剤は、三菱レイヨン(株)製メタブレンPとして商業的に入手可能である。
本発明のフィルムは、例えば、アクリル樹脂組成物を溶融押出しし、次いで、得られた溶融押出物を、表面温度が35〜95℃、好ましくは40〜90℃、より好ましくは45〜85℃の少なくとも1本の冷却ロールに接触させて製膜する方法で製造される。溶融押出方法としては、例えば、Tダイ法、インフレーション法等が挙げられる。これらのうち、経済性の観点から、Tダイ法が好ましい。溶融押出温度は、150〜235℃が好ましい。また、押出機としては、例えば、単軸押出機及び二軸押出機が挙げられる。
本発明の製造方法によって得られるフィルムは、さらに熱可塑性樹脂層を積層して、積層フィルムまたはシートとしてもよい。
本発明のアクリル樹脂フィルムは、種々の熱可塑性樹脂基材に積層して用いることができる。熱可塑性樹脂基材としては、例えば、ポリ塩化ビニル樹脂、ABS樹脂、ポリカーボネート樹脂又はポリオレフィン樹脂等を挙げることができる。これらは単独でまたは二種以上を混合して使用できる。熱可塑性樹脂基材の厚みは、50〜500μmであることが好ましく、アクリル樹脂フィルムの厚みが10〜180μmであることが好ましい。
MA: アクリル酸メチル
n−BA: アクリル酸n−ブチル
1,3−BD: ジメタクリル酸1,3−ブチレングリコール
AMA: メタクリル酸アリル
CHP: クメンハイドロパーオキサイド
t−BH: t−ブチルハイドロパーオキサイド
n−OM: n−オクチルメルカプタン
EDTA: エチレンジアミン四酢酸二ナトリウム
SFS: ソジウムホルムアルデヒドスルホキシレート(ロンガリット)
RS610NA:ポリオキシエチレンアルキルエーテルリン酸ナトリウム(東邦化学工業(株)製、商品名:フォスファノールRS610NA)
攪拌機を備えた容器内に脱イオン水10.8部を仕込んだ後、MMA0.3部、n−BA4.5部、1,3−BD0.2部、AMA0.05部及びCHP0.025部を含有する単量体成分を投入し、室温下にて攪拌混合した。
アクリル樹脂 ゴム含有重合体(B−1) 100部
紫外線吸収剤LA−31RG(ADEKA社製) 1.9部
高分子量ヒンダードアミン系光安定剤Chimassorb2020FDL(BASF社製) 0.3部
抗酸化剤イルガノックス1076(BASF社製)0.1部
加工助剤メタブレンP551A(三菱レイヨン社製)2部
高分子量ヒンダードアミン系光安定剤Chimassorb2020FDL(BASF社製)の添加部数を1.5部とした以外は実施例1と同様にしてペレットAを得た。
高分子量ヒンダードアミン系光安定剤をChimassorb944FDL(BASF社製)(添加量を0.3部)とした以外は実施例1と同様にしてフィルムを得た。
高分子量ヒンダードアミン系光安定剤をChimassorb944FDL(BASF社製)とし、添加量を1.5部とした以外は実施例2と同様にしてフィルムを得た。
高分子量ヒンダードアミン系光安定剤をサイアソーブUV−3346(サンケミカル社製)(添加量を0.3部)とした以外は実施例1と同様にしてフィルムを得た。
高分子量ヒンダードアミン系光安定剤をサイアソーブUV−3592(サンケミカル社製)(添加量を0.3部)とした以外は実施例1と同様にしてフィルムを得た。
高分子量ヒンダードアミン系光安定剤を低分子量ヒンダードアミン系光安定剤LA−57(ADEKA社製)とした以外は実施例1と同様にしてフィルムを得た。
高分子量ヒンダードアミン系光安定剤を低分子量ヒンダードアミン系光安定剤LA−57(ADEKA社製)とし、その添加部数を1.5部とした以外は実施例2と同様にしてフィルムを得た。
・ロールへのブリード
×:ロールへのスティッキングに影響を与える十分量のブリードあり、定量分析が可能である。
ロールへのスティッキング性は、剥離点上昇率で評価した。ただし、ロールからフィルムが剥離する位置を剥離点といい、剥離点は床面からの高さで表わされる。剥離点上昇率とはその変化の割合をいい、以下の式で計算される。
○:なし
×:ブツが多量に発生した
△:ブツが少量発生したが、実用上問題なし
○:ブツが発生しなかった
Claims (15)
- トリアジン骨格を有する高分子量ヒンダードアミン系光安定剤(A)及びアクリル樹脂(B)含むフィルム用アクリル樹脂組成物。
- 前記高分子量ヒンダードアミン系光安定剤(A)が下記式(I)で表される構造単位を含む請求項1に記載のフィルム用アクリル樹脂組成物;
R1は、それぞれ独立して、水素原子;炭素原子数1〜8のアルキル基;炭素原子数2〜8のヒドロキシアルキル基;炭素原子数1〜8のシアノアルキル基;炭素原子数3〜6のアルケニル基もしくはアルキニル基;無置換もしくはフェニル基上で1,2もしくは3個の炭素原子数1〜4のアルキル基により置換された炭素原子数7〜9のフェニルアルキル基;または炭素原子数1〜8のアシル基を表す。
R2は、それぞれ独立して、炭素原子数2〜12のアルキレン基;炭素原子数4〜12のアルケニレン基;炭素原子数2〜8のアルキニレン基;炭素原子数5〜7のシクロアルキレン基;炭素原子数5〜7のシクロアルキレンジ(炭素原子数1〜4のアルキレン)基;炭素原子数1〜4のアルキレンジ(炭素原子数5〜7のシクロアルキレン)基;フェニレンジ(炭素原子数1〜4のアルキレン)基;1,4−ピペラジンジイル;−O−もしくは−N(X1)−(X1は、炭素原子数1〜12のアシル基、(炭素原子数1〜12のアルコキシ)カルボニル基、または下記Lで表されるいずれかの基、を表す。)をC−C結合の間に含む構造を有する炭素原子数4〜12のアルキレン基;次式(a);次式(b);または次式(c)を表す。
なお、前記Lは、炭素原子数1〜18のアルキル基;無置換または1、2もしくは3個の炭素原子数1〜4のアルキル基により置換された炭素原子数5〜12のシクロアルキル基;炭素原子数3〜18のアルケニル基;無置換または1、2もしくは3個の炭素原子数1〜4のアルキル基もしくは炭素原子数1〜4のアルコキシ基により置換されたフェニル基;無置換またはフェニル基上で1、2もしくは3個の炭素原子数1〜4のアルキル基により置換された炭素原子数7〜9のフェニルアルキル基;または、テトラヒドロフルフリル基もしくは2、3もしくは4位において−OH、炭素原子数1〜8のアルコキシ基、ジ(炭素原子数1〜4のアルキル)アミノ基もしくは次式(g)
式(I)中、Rは、次式(d)で表される基を表す。
式(I)中、Bは、−N(R7)(R8)を表し、R7及びR8は、それぞれ独立に、水素原子、炭素原子数1〜18のアルキル基、式(d)で表される基より選ばれる。]。 - 前記高分子量ヒンダードアミン系光安定剤(A)の含有量が前記アクリル樹脂(B)100質量部に対して0.1質量部以上3質量部以下である請求項1記載のフィルム用アクリル樹脂組成物。
- 前記高分子量ヒンダードアミン系光安定剤(A)において、ピペリジン骨格以外のアミノ基が2級アミンまたは非環状の3級アミンである請求項1に記載のフィルム用アクリル樹脂組成物。
- 前記高分子量ヒンダードアミン系光安定剤(A)において、ピペリジン骨格以外のアミノ基が非環状の3級アミンである請求項1記載のフィルム用アクリル樹脂組成物。
- 前記アクリル樹脂(B)が、アクリル酸アルキルを主成分として含む単量体成分(B−1−a)を重合して得られるゴム重合体(B1a)の存在下に、メタクリル酸アルキルを主成分として含む単量体成分(B−1−b)をグラフト重合して得られたゴム含有重合体である請求項1記載のフィルム用アクリル樹脂組成物。
- 請求項1に記載のフィルム用アクリル樹脂組成物を溶融押出しし、Tダイ法により溶融押出物を、フィルムに製膜する方法。
- 請求項1記載のフィルム用アクリル樹脂組成物を用いて得られる厚さ10〜500μmのアクリル樹脂フィルム。
- 請求項7記載の方法により得られる厚み10〜500μmのアクリル樹脂フィルム。
- 請求項8記載のアクリル樹脂フィルムと熱可塑性樹脂基材との積層体。
- 前記熱可塑性樹脂基材が、ポリ塩化ビニル樹脂、ABS樹脂、ポリカーボネート樹脂又はポリオレフィン樹脂である、請求項10記載の積層体。
- 前記熱可塑性樹脂基材の厚みが50〜500μmであり、前記アクリル樹脂フィルムの厚みが10〜180μmである、請求項10記載の積層体。
- 請求項9記載のアクリル樹脂フィルムと熱可塑性樹脂基材との積層体。
- 前記熱可塑性樹脂基材が、ポリ塩化ビニル樹脂、ABS樹脂、ポリカーボネート樹脂又はポリオレフィン樹脂である、請求項13記載の積層体。
- 前記熱可塑性樹脂基材の厚みが50〜500μmであり、前記アクリル樹脂フィルムの厚みが10〜180μmである、請求項13記載の積層体。
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