JP2012149262A - 積層フィルムの製造方法 - Google Patents
積層フィルムの製造方法 Download PDFInfo
- Publication number
- JP2012149262A JP2012149262A JP2012051526A JP2012051526A JP2012149262A JP 2012149262 A JP2012149262 A JP 2012149262A JP 2012051526 A JP2012051526 A JP 2012051526A JP 2012051526 A JP2012051526 A JP 2012051526A JP 2012149262 A JP2012149262 A JP 2012149262A
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- Prior art keywords
- epoxy resin
- film
- resin adhesive
- light
- component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
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- 239000003822 epoxy resin Substances 0.000 claims abstract description 66
- 239000000853 adhesive Substances 0.000 claims abstract description 59
- 230000001070 adhesive effect Effects 0.000 claims abstract description 59
- -1 oxetane compound Chemical class 0.000 claims description 30
- 239000003999 initiator Substances 0.000 claims description 7
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- 125000002723 alicyclic group Chemical group 0.000 claims description 5
- 239000004844 aliphatic epoxy resin Substances 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- SLJFKNONPLNAPF-UHFFFAOYSA-N 3-Vinyl-7-oxabicyclo[4.1.0]heptane Chemical compound C1C(C=C)CCC2OC21 SLJFKNONPLNAPF-UHFFFAOYSA-N 0.000 claims description 3
- RBHIUNHSNSQJNG-UHFFFAOYSA-N 6-methyl-3-(2-methyloxiran-2-yl)-7-oxabicyclo[4.1.0]heptane Chemical compound C1CC2(C)OC2CC1C1(C)CO1 RBHIUNHSNSQJNG-UHFFFAOYSA-N 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 3
- 239000012954 diazonium Substances 0.000 claims description 3
- XAYDWGMOPRHLEP-UHFFFAOYSA-N 6-ethenyl-7-oxabicyclo[4.1.0]heptane Chemical compound C1CCCC2OC21C=C XAYDWGMOPRHLEP-UHFFFAOYSA-N 0.000 claims description 2
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- 125000002947 alkylene group Chemical group 0.000 claims description 2
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- 238000000016 photochemical curing Methods 0.000 claims 1
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- MECNWXGGNCJFQJ-UHFFFAOYSA-N 3-piperidin-1-ylpropane-1,2-diol Chemical compound OCC(O)CN1CCCCC1 MECNWXGGNCJFQJ-UHFFFAOYSA-N 0.000 description 4
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- 239000006087 Silane Coupling Agent Substances 0.000 description 4
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 4
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- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 3
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- XUVKSPPGPPFPQN-UHFFFAOYSA-N 10-Methyl-9(10H)-acridone Chemical compound C1=CC=C2N(C)C3=CC=CC=C3C(=O)C2=C1 XUVKSPPGPPFPQN-UHFFFAOYSA-N 0.000 description 2
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- NJWGQARXZDRHCD-UHFFFAOYSA-N 2-methylanthraquinone Chemical compound C1=CC=C2C(=O)C3=CC(C)=CC=C3C(=O)C2=C1 NJWGQARXZDRHCD-UHFFFAOYSA-N 0.000 description 2
- JUXZNIDKDPLYBY-UHFFFAOYSA-N 3-ethyl-3-(phenoxymethyl)oxetane Chemical compound C=1C=CC=CC=1OCC1(CC)COC1 JUXZNIDKDPLYBY-UHFFFAOYSA-N 0.000 description 2
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 description 2
- KSMGAOMUPSQGTB-UHFFFAOYSA-N 9,10-dibutoxyanthracene Chemical compound C1=CC=C2C(OCCCC)=C(C=CC=C3)C3=C(OCCCC)C2=C1 KSMGAOMUPSQGTB-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
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- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
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- 239000012790 adhesive layer Substances 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 2
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- 238000010894 electron beam technology Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002366 halogen compounds Chemical class 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical class I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 2
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
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- HBGPNLPABVUVKZ-POTXQNELSA-N (1r,3as,4s,5ar,5br,7r,7ar,11ar,11br,13as,13br)-4,7-dihydroxy-3a,5a,5b,8,8,11a-hexamethyl-1-prop-1-en-2-yl-2,3,4,5,6,7,7a,10,11,11b,12,13,13a,13b-tetradecahydro-1h-cyclopenta[a]chrysen-9-one Chemical compound C([C@@]12C)CC(=O)C(C)(C)[C@@H]1[C@H](O)C[C@]([C@]1(C)C[C@@H]3O)(C)[C@@H]2CC[C@H]1[C@@H]1[C@]3(C)CC[C@H]1C(=C)C HBGPNLPABVUVKZ-POTXQNELSA-N 0.000 description 1
- VLTYTTRXESKBKI-UHFFFAOYSA-N (2,4-dichlorophenyl)-phenylmethanone Chemical compound ClC1=CC(Cl)=CC=C1C(=O)C1=CC=CC=C1 VLTYTTRXESKBKI-UHFFFAOYSA-N 0.000 description 1
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- MSAHTMIQULFMRG-UHFFFAOYSA-N 1,2-diphenyl-2-propan-2-yloxyethanone Chemical compound C=1C=CC=CC=1C(OC(C)C)C(=O)C1=CC=CC=C1 MSAHTMIQULFMRG-UHFFFAOYSA-N 0.000 description 1
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- ISAOCJYIOMOJEB-UHFFFAOYSA-N benzoin Chemical class C=1C=CC=CC=1C(O)C(=O)C1=CC=CC=C1 ISAOCJYIOMOJEB-UHFFFAOYSA-N 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
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- 150000008366 benzophenones Chemical class 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- UUJZSXVOPPFFOT-UHFFFAOYSA-N bis(4-methylphenyl)-(9-oxo-7-propan-2-ylthioxanthen-2-yl)sulfanium Chemical compound C1=C2C(=O)C3=CC(C(C)C)=CC=C3SC2=CC=C1[S+](C=1C=CC(C)=CC=1)C1=CC=C(C)C=C1 UUJZSXVOPPFFOT-UHFFFAOYSA-N 0.000 description 1
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Abstract
【解決手段】光硬化型エポキシ樹脂系接着剤を用いたフィルムを貼り合わせてなる積層フィルムの製造方法であって、フィルム間に存在する光硬化型エポキシ樹脂系接着剤を40℃以上の温度に加温し、これに光を照射して硬化させてフィルムを接着することを含む方法。
【選択図】なし
Description
トリフェニルスルホニウム ヘキサフルオロホスフェート、
トリフェニルスルホニウム ヘキサフルオロアンチモネート、
トリフェニルスルホニウム テトラキス(ペンタフルオロフェニル)ボレート、
4,4’−ビス〔ジフェニルスルホニオ〕ジフェニルスルフィド ビスヘキサフルオロホスフェート、
4,4’−ビス〔ジ(β−ヒドロキシエトキシ)フェニルスルホニオ〕ジフェニルスルフィド ビスヘキサフルオロアンチモネート、
4,4’−ビス〔ジ(β−ヒドロキシエトキシ)フェニルスルホニオ〕ジフェニルスルフィド ビスヘキサフルオロホスフェート、
7−〔ジ(p−トルイル)スルホニオ〕−2−イソプロピルチオキサントン ヘキサフルオロアンチモネート、
7−〔ジ(p−トルイル)スルホニオ〕−2−イソプロピルチオキサントン テトラキス(ペンタフルオロフェニル)ボレート、
4−フェニルカルボニル−4’−ジフェニルスルホニオ−ジフェニルスルフィド ヘキサフルオロホスフェート、
4−(p−tert−ブチルフェニルカルボニル)−4’−ジフェニルスルホニオ−ジフェニルスルフィド ヘキサフルオロアンチモネート、
4−(p−tert−ブチルフェニルカルボニル)−4’−ジ(p−トルイル)スルホニオ−ジフェニルスルフィド テトラキス(ペンタフルオロフェニル)ボレート
などが挙げられる。
ジフェニルヨードニウム テトラキス(ペンタフルオロフェニル)ボレート、
ジフェニルヨードニウム ヘキサフルオロホスフェート、
ジフェニルヨードニウム ヘキサフルオロアンチモネート、
ジ(4−ノニルフェニル)ヨードニウム ヘキサフルオロホスフェート
などが挙げられる。
ベンゼンジアゾニウム ヘキサフルオロアンチモネート、
ベンゼンジアゾニウム ヘキサフルオロホスフェート
などが挙げられる。
以下の原材料をポリエチレン製容器に計量して加え、攪拌機で混合・攪拌して均一な光硬化型エポキシ樹脂系接着剤(粘度:150mPa/s(25℃))を得た。
エピクロンEXA−850S:4,4’−ジグリシジルオキシ−2,2’−ジフェニルプロパン、大日本インキ化学(株)
エピクロンN740:フェノールノボラック型エポキシオリゴマー、大日本インキ化学(株)
CEL2000:1,2−エポキシ−4−ビニルシクロヘキサン、ダイセル化学工業(株)
CEL3000:1,2:8,9ジエポキシリモネン、ダイセル化学工業(株)
CEL2021P:3,4−エポキシシクロヘキセニルメチル−3’,4’−エポキシシクロヘキセンカルボキシレート、ダイセル化学工業(株)
CPI−101A:光重合触媒、サンアプロ(株)
SP−172:光重合触媒、(株)ADEKA
KBM403:3−グリシドキシプロピルトリメトキシシラン、信越化学工業(株)
DBA:9,10−ジブトキシアントラセン、川崎化成工業(株)
一軸延伸し、ヨウ素で染色したポリビニルアルコール偏光子フィルムの片面にトリアセチルセルロースフィルムを、他の片面に非結晶性ポリオレフィン系樹脂フィルム(日本ゼオン(株)製のゼオノアフィルム)を製造例で調製した光硬化性エポキシ樹脂系接着剤(記号:A)を介して貼り合わせて、3層構造のフィルムを得た。得られた3層構造のフィルムを、赤外線ランプを用いて、室温(25℃)、30℃、40℃、50℃、60℃、70℃、80℃、100℃、120℃及び140℃に加温した後、直ちにメタルハライドランプ(アイグラフィックス社製)を用いて、照射強度200mW/cm2(405nm)、積算光量1000mJ/cm2(405nm)で光の照射を行って積層フィルムを得た。積層フィルム間の接着剤層は、1〜3μm程度の厚みで均一であった。これらは電子顕微鏡によって確認した。
UV照射後の接着剤の状態:
以下の基準で評価した。
液状で硬化不十分:液体状態で硬化が不十分であり、接着していない
剥がれ:フィルムが剥がれている
△:接着しているが強度はやや弱い。(〜100g/25mm)
○:接着しており、強度も中程度(100〜200g/25mm)
◎:接着しており、強度も十分(200g/25mm〜)
積層フィルムを60℃−90%の条件の耐湿試験槽に500時間放置した後の外観(色抜けやフィルム変性)を以下の基準で評価した。
×:はがれや変形、偏光子部分の色抜けが強く起きる。
△:はがれや変形、偏光子部分の色抜けが起きる。
○:偏光子部分の色抜けが極くわずかに起きるが、はがれや変形が起きない。
◎:はがれや変形、偏光子部分の色抜けが起きない。
耐湿試験前及び後の積層フィルムについて、偏光度と透過率を測定し、それらの劣化(耐湿試験前の積層フィルムの値からの低下)で評価した。
*被着体材料の変性(変形、耐久特性、光学特性)については熱のみならず、紫外線によっても劣化を生じた。
実施例1〜6及び比較例1〜3の積層フィルムの製造において、メタルハライドランプと被着体フィルムの間に、波長390nm以下の光をカットする光学フィルタ(アイグラフィックス社製)を配置して光を照射した。実施例1〜6及び比較例1〜3と同様にして、それぞれ実施例7〜13及び比較例4〜6の積層フィルムを得た。
実施例1と同様にして、3層構造のフィルムを得た。得られた3層構造フィルムを、加温せずに、メタルハライドランプ(アイグラフィックス社製)を用いて、照射強度500mW/cm2(405nm)、積算光量500、1000、2000及び3000mJ/cm2(405nm)で光の照射を行って積層フィルムを得た。さらに、積算光量2000及び3000mJ/cm2(405nm)の場合には、メタルハライドランプと被着体フィルムの間に配置した波長390nm以下の光をカットする光学フィルタ(アイグラフィックス社製)を用いて光照射を行い、積層フィルムを得た。
Claims (6)
- 芳香族エポキシ樹脂(成分A)、脂肪族エポキシ樹脂(成分B)、脂環式エポキシ樹脂(成分C1)及び/又はオキセタン化合物(成分C2)並びに光重合開始剤(成分D)を含む光硬化型エポキシ樹脂系接着剤。
- 前記成分Bが、脂肪族多価アルコールのアルキレンオキサイド付加物のポリグリシジルエーテルである請求項1記載の光硬化型エポキシ樹脂系接着剤。
- 前記成分C1が、
ビニルシクロヘキセンモノオキサイド、
1,2−エポキシ−4−ビニルシクロヘキサン、
1,2:8,9ジエポキシリモネン、及び
3,4−エポキシシクロヘキセニルメチル−3’,4’−エポキシシクロヘキセンカルボキシレートからなる群から選ばれる少なくとも1種の脂環式エポキシ樹脂である請求項1又は2記載の光硬化型エポキシ樹脂系接着剤。 - 前記成分Dが、スルホニウム塩系化合物、ヨウドニウム塩化合物系及びジアゾニウム塩系化合物から選ばれる少なくとも1種の化合物である請求項1〜3のいずれか1項記載の光硬化型エポキシ樹脂系接着剤。
- 前記光硬化型エポキシ樹脂系接着剤の25℃における粘度が200mPa・s以下である請求項1〜4のいずれか1項記載の光硬化型エポキシ樹脂系接着剤。
- 偏光板製造用である請求項1〜5のいずれか1項記載の光硬化型エポキシ樹脂系接着剤。
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KR20200039315A (ko) * | 2018-10-05 | 2020-04-16 | 주식회사 엘지화학 | 편광판, 편광판-캐리어 필름 적층체, 편광판-캐리어 필름 적층체의 제조방법, 편광판의 제조방법 및 편광판 보호층용 활성 에너지선 경화형 조성물 |
KR102339411B1 (ko) | 2018-10-05 | 2021-12-15 | 산진 옵토일렉트로닉스 (쑤저우) 컴퍼니 리미티드 | 편광판, 편광판-캐리어 필름 적층체, 편광판-캐리어 필름 적층체의 제조방법, 편광판의 제조방법 및 편광판 보호층용 활성 에너지선 경화형 조성물 |
KR20230163354A (ko) | 2021-03-31 | 2023-11-30 | 가부시키가이샤 아데카 | 중합성 조성물, 광경화성 접착제, 경화물의 제조 방법및 경화물 |
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