JP7434779B2 - 粘着剤組成物及び粘着フィルム - Google Patents
粘着剤組成物及び粘着フィルム Download PDFInfo
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- JP7434779B2 JP7434779B2 JP2019172861A JP2019172861A JP7434779B2 JP 7434779 B2 JP7434779 B2 JP 7434779B2 JP 2019172861 A JP2019172861 A JP 2019172861A JP 2019172861 A JP2019172861 A JP 2019172861A JP 7434779 B2 JP7434779 B2 JP 7434779B2
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- 239000013522 chelant Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- 150000001923 cyclic compounds Chemical class 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
- KBLWLMPSVYBVDK-UHFFFAOYSA-N cyclohexyl prop-2-enoate Chemical compound C=CC(=O)OC1CCCCC1 KBLWLMPSVYBVDK-UHFFFAOYSA-N 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- ZXPDYFSTVHQQOI-UHFFFAOYSA-N diethoxysilane Chemical compound CCO[SiH2]OCC ZXPDYFSTVHQQOI-UHFFFAOYSA-N 0.000 description 1
- WHGNXNCOTZPEEK-UHFFFAOYSA-N dimethoxy-methyl-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](C)(OC)CCCOCC1CO1 WHGNXNCOTZPEEK-UHFFFAOYSA-N 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003759 ester based solvent Substances 0.000 description 1
- 150000002148 esters Chemical group 0.000 description 1
- MEGHWIAOTJPCHQ-UHFFFAOYSA-N ethenyl butanoate Chemical compound CCCC(=O)OC=C MEGHWIAOTJPCHQ-UHFFFAOYSA-N 0.000 description 1
- UIWXSTHGICQLQT-UHFFFAOYSA-N ethenyl propanoate Chemical compound CCC(=O)OC=C UIWXSTHGICQLQT-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical group OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 1
- 125000004491 isohexyl group Chemical group C(CCC(C)C)* 0.000 description 1
- QHDRKFYEGYYIIK-UHFFFAOYSA-N isovaleronitrile Chemical compound CC(C)CC#N QHDRKFYEGYYIIK-UHFFFAOYSA-N 0.000 description 1
- 239000005453 ketone based solvent Substances 0.000 description 1
- 125000000468 ketone group Chemical group 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
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 125000002960 margaryl 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])[H] 0.000 description 1
- XJRBAMWJDBPFIM-UHFFFAOYSA-N methyl vinyl ether Chemical compound COC=C XJRBAMWJDBPFIM-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
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- PHQOGHDTIVQXHL-UHFFFAOYSA-N n'-(3-trimethoxysilylpropyl)ethane-1,2-diamine Chemical compound CO[Si](OC)(OC)CCCNCCN PHQOGHDTIVQXHL-UHFFFAOYSA-N 0.000 description 1
- MQWFLKHKWJMCEN-UHFFFAOYSA-N n'-[3-[dimethoxy(methyl)silyl]propyl]ethane-1,2-diamine Chemical compound CO[Si](C)(OC)CCCNCCN MQWFLKHKWJMCEN-UHFFFAOYSA-N 0.000 description 1
- UUORTJUPDJJXST-UHFFFAOYSA-N n-(2-hydroxyethyl)prop-2-enamide Chemical compound OCCNC(=O)C=C UUORTJUPDJJXST-UHFFFAOYSA-N 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
- 239000004745 nonwoven fabric Substances 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
- HDBWAWNLGGMZRQ-UHFFFAOYSA-N p-Vinylbiphenyl Chemical compound C1=CC(C=C)=CC=C1C1=CC=CC=C1 HDBWAWNLGGMZRQ-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
- FUGYGGDSWSUORM-UHFFFAOYSA-N para-hydroxystyrene Natural products OC1=CC=C(C=C)C=C1 FUGYGGDSWSUORM-UHFFFAOYSA-N 0.000 description 1
- 125000002958 pentadecyl 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])[H] 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000003548 sec-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 1
- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 238000012719 thermal polymerization Methods 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 125000005628 tolylene group Chemical group 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- 125000005369 trialkoxysilyl group Chemical group 0.000 description 1
- 150000003628 tricarboxylic acids Chemical class 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
- JXUKBNICSRJFAP-UHFFFAOYSA-N triethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCOCC1CO1 JXUKBNICSRJFAP-UHFFFAOYSA-N 0.000 description 1
- DQZNLOXENNXVAD-UHFFFAOYSA-N trimethoxy-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](OC)(OC)OC)CCC2OC21 DQZNLOXENNXVAD-UHFFFAOYSA-N 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- 125000002948 undecyl 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])[H] 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 125000005023 xylyl group Chemical group 0.000 description 1
- 125000006839 xylylene group Chemical group 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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/24—Homopolymers or copolymers of amides or imides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/10—Adhesives in the form of films or foils without carriers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/318—Applications of adhesives in processes or use of adhesives in the form of films or foils for the production of liquid crystal displays
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2433/00—Presence of (meth)acrylic polymer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
Description
式(3)中、R5は、炭素原子数2~18の2価の鎖状炭化水素基又は炭素原子数5~65の2価の炭化水素基に含まれる1つ以上の-CH2-が、-O-に置き換わった基を表す。]
R7は、炭素原子数4~20の2価の脂肪族炭化水素基又は炭素原子数6~20の2価の芳香族炭化水素基を表す。
Raは、酸基を表す。]
<アクリル樹脂(A)の合成>
攪拌機、還流冷却管、窒素導入管、温度計を備えた反応容器に、n-ブチルアクリレート200質量部、2-エチルヘキシルアクリレート277質量部、シクロヘキシルアクリレート400質量部、ダイアセトンアクリルアミド50質量部、アクリル酸70質量部、4-ヒドロキシブチルアクリレート3質量部、酢酸エチル1000質量部を仕込み、攪拌下、窒素を吹き込みながら70℃まで昇温した。1時間後に、予め酢酸エチルにて溶解した2,2’-アゾビス(2-メチルブチロニトリル)溶液10質量部(固形分5質量%)を添加した。その後、攪拌下70℃にて8時間ホールドした後、内容物を冷却し200メッシュ金網にて濾過し、不揮発分50質量%、粘度100,000mPa・s、重量平均分子量90万のアクリル樹脂(A1)を得た。
(メタ)アクリレートモノマー(a1)、窒素含有モノマー(a2)、酸基を有するモノマー(a3)、水酸基を有するモノマー(a4)を表1、2に示す通りに変更したこと以外は、合成例1と同様にして、アクリル樹脂(A2)~(A5)、比較アクリル樹脂(A1’)を得た。
合成例1で得られたアクリル樹脂(A1)100質量部に対して、可塑剤Iとしてアジピン酸ジイソノニル(DINA)を0.5質量部とエポキシ系架橋剤(ファインタック硬化剤EX-50;DIC(株)製)0.1質量部を均一になるように攪拌混合することによってアクリル粘着組成物を得た。
合成例1で得られたアクリル樹脂(A1)を100質量部用いる代わりに、合成例2~5、比較合成例1で得られたアクリル樹脂(A2)~(A5)、比較アクリル樹脂(A1’)をそれぞれ100質量部用い、可塑剤、架橋剤の種類及び量を変更したこと以外は、実施例1と同様にして、アクリル粘着組成物を得た。各可塑剤の組成を表1に示し、各アクリル粘着剤組成物で用いたアクリル樹脂の組成及び可塑剤、架橋剤の種類及び量を表2~4に示す。
表面に離型処理された厚さ50μmのポリエチレンテレフタレートフィルム(離型PET50)の表面に、溶剤乾燥後における膜厚が25μmとなるように後記実施例で得られたアクリル系粘着剤組成物を塗布し、80℃乾燥機中で3分間溶剤を揮発した後、PET50μmフィルムを貼り合せた。
前述の方法で作成した粘着フィルムを25mm幅に切ったものを試験片とした。被着体をSUS304ステンレス板で、表面仕上げBA(冷間圧延後、光輝熱処理)のステンレス板とし、2kgロール×2往復で被着体に貼り付けた。貼り付け1時間後に23℃、50%RHの雰囲気下で180度剥離強度を測定し、接着力とした。
前述の方法で作成した粘着フィルムを25mm幅に切ったものを試験片とした。被着体をSUS304ステンレス板で、表面仕上げBA(冷間圧延後、光輝熱処理)のステンレス板とし、2kgロール×2往復で被着体に貼り付けた。貼り付け1時間後に85℃85%RHの雰囲気下で500時間放置した。その後、23℃、50%RHの雰囲気下で24時間後に前述の方法と同様に、180度剥離強度を測定し、耐湿熱接着力とした。
前述の方法で作成した粘着フィルムを24mm幅、175mm長さに切ったものを試験片とし、被着体はガラス板とした。試験片を円周127mm、持手24mmとなるように、粘着剤面を外側にして両末端を合わせ、合わせた末端の被着体からの高さが100mmとなる地点から25mmとなる地点まで300mm/minで降下させ、被着体に接触させた。3秒後に300mm/minで引き上げて剥離強度を測定し、最大値を読み取った。
前述の方法で作成した粘着フィルムを25mm幅に切ったものを試験片とした。鏡面仕上げしたステンレス板に対し、接着面積が25mm×25mmとなるように2kgロール×2往復にて貼り付けた。このステンレス板に貼り付けた試験片に対し、70℃雰囲気下にて1kgの荷重を、ステンレス板に対して0°の方向(剪断方向)にかけ、粘着フィルムが被着体からずれ落ちるまでの時間を測定し、その保持時間を保持力とした。また、24時間後にも保持されていた場合には、保持時間を24時間以上とし、初期貼り付け位置からのずれ幅を測定し併記した。
前述の方法で作成した粘着フィルムをガラス板に貼り付けたものを試験片とした。その試験片を、光源C、視野2°、「分光測色計」CM-5000d(コニカミノルタセンシング(株)製)にて、JIS K 7105に準じて黄変度(b*)を測定した。
前述の方法で作成した粘着フィルムをガラス板に貼り付けたものを試験片とした。その試験片を、濁度計「NDH5000」(日本電色工業(株)製)にて、JIS K 7361-1に準じてヘイズ、光線透過率を測定した。
前述の方法で作成した粘着フィルムをガラス板に貼り付け、85℃×85%RH雰囲気下に500時間放置した。その後、もう一枚の離型PET50を剥離し、前述の方法と同様に、JIS K 7105に準じて黄変度(b*)測定した。
Claims (4)
- アクリル重合体(A)、架橋剤(B)、可塑剤(C)及び溶剤(D)を含み、
前記アクリル重合体(A)が、(メタ)アクリレートモノマー(a1)に由来する単位と;窒素含有モノマー(a2)に由来する単位と;酸基を有するモノマー(a3)及び水酸基を有するモノマー(a4)からなる群より選ばれる少なくとも1種に由来する単位とを含み、
前記可塑剤(C)の含有量が、前記アクリル重合体(A)100質量部に対して、0.1質量部以上3質量部以下であり、
前記可塑剤(C)が、水酸基を有する化合物(c1)と酸基を有する化合物(c2)とのエステル化物を含むものであり、
前記可塑剤(C)の数平均分子量が、6,000以下である粘着剤組成物。 - 前記窒素含有モノマー(a2)が、(メタ)アクリルアミドモノマーである請求項1
記載の粘着剤組成物。 - 請求項1又は2記載の粘着剤組成物から形成される粘着層。
- 請求項3記載の粘着層を有する保護フィルム。
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JP2015105329A (ja) | 2013-11-29 | 2015-06-08 | 綜研化学株式会社 | 光学用粘着剤組成物、光学用粘着シート、および画像表示装置 |
JP2015117347A (ja) | 2013-12-20 | 2015-06-25 | 東洋インキScホールディングス株式会社 | 再剥離性水性粘着剤および粘着シート |
JP2015187245A (ja) | 2014-03-11 | 2015-10-29 | 日東電工株式会社 | 粘着テープ |
JP2018076390A (ja) | 2016-11-07 | 2018-05-17 | サイデン化学株式会社 | 再剥離性の水性粘着剤組成物及び再剥離性粘着シート |
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JP2015117347A (ja) | 2013-12-20 | 2015-06-25 | 東洋インキScホールディングス株式会社 | 再剥離性水性粘着剤および粘着シート |
JP2015187245A (ja) | 2014-03-11 | 2015-10-29 | 日東電工株式会社 | 粘着テープ |
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