JP2013224415A - 樹脂発泡体用粘着剤および粘着テープ - Google Patents
樹脂発泡体用粘着剤および粘着テープ Download PDFInfo
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- JP2013224415A JP2013224415A JP2013054452A JP2013054452A JP2013224415A JP 2013224415 A JP2013224415 A JP 2013224415A JP 2013054452 A JP2013054452 A JP 2013054452A JP 2013054452 A JP2013054452 A JP 2013054452A JP 2013224415 A JP2013224415 A JP 2013224415A
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- Prior art keywords
- meth
- tackifier
- adhesive
- pressure
- resin
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- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims abstract description 27
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- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical class C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- GPDWNEFHGANACG-UHFFFAOYSA-L [dibutyl(2-ethylhexanoyloxy)stannyl] 2-ethylhexanoate Chemical compound CCCCC(CC)C(=O)O[Sn](CCCC)(CCCC)OC(=O)C(CC)CCCC GPDWNEFHGANACG-UHFFFAOYSA-L 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000005907 alkyl ester group Chemical group 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 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
- 230000001588 bifunctional effect Effects 0.000 description 1
- RUCPTXWJYHGABR-UHFFFAOYSA-L bis(2-ethylhexanoyloxy)lead Chemical compound [Pb+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O RUCPTXWJYHGABR-UHFFFAOYSA-L 0.000 description 1
- 229950005228 bromoform Drugs 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- QAEKNCDIHIGLFI-UHFFFAOYSA-L cobalt(2+);2-ethylhexanoate Chemical compound [Co+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O QAEKNCDIHIGLFI-UHFFFAOYSA-L 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- 238000005520 cutting process Methods 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
- 238000013016 damping Methods 0.000 description 1
- 125000002704 decyl 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])* 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- TVMDUMQNXXNGMG-UHFFFAOYSA-N dodecyl 2-sulfanylacetate Chemical compound CCCCCCCCCCCCOC(=O)CS TVMDUMQNXXNGMG-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
- 239000012156 elution solvent Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000011086 glassine Substances 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- ORTRWBYBJVGVQC-UHFFFAOYSA-N hexadecane-1-thiol Chemical compound CCCCCCCCCCCCCCCCS ORTRWBYBJVGVQC-UHFFFAOYSA-N 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 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
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([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
- 230000014759 maintenance of location Effects 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000005641 methacryl group Chemical group 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
- 239000003607 modifier Substances 0.000 description 1
- JAYXSROKFZAHRQ-UHFFFAOYSA-N n,n-bis(oxiran-2-ylmethyl)aniline Chemical compound C1OC1CN(C=1C=CC=CC=1)CC1CO1 JAYXSROKFZAHRQ-UHFFFAOYSA-N 0.000 description 1
- GEMHFKXPOCTAIP-UHFFFAOYSA-N n,n-dimethyl-n'-phenylcarbamimidoyl chloride Chemical compound CN(C)C(Cl)=NC1=CC=CC=C1 GEMHFKXPOCTAIP-UHFFFAOYSA-N 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
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001400 nonyl 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])[H] 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- KZCOBXFFBQJQHH-UHFFFAOYSA-N octane-1-thiol Chemical compound CCCCCCCCS KZCOBXFFBQJQHH-UHFFFAOYSA-N 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
- 239000003960 organic solvent Substances 0.000 description 1
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- FZYCEURIEDTWNS-UHFFFAOYSA-N prop-1-en-2-ylbenzene Chemical compound CC(=C)C1=CC=CC=C1.CC(=C)C1=CC=CC=C1 FZYCEURIEDTWNS-UHFFFAOYSA-N 0.000 description 1
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Landscapes
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
Abstract
【解決手段】樹脂発泡体に用いられる粘着剤であって、粘着付与剤として、ロジン系粘着付与剤、重合ロジン系粘着付与剤、ロジンエステル系粘着付与剤、重合ロジンエステル系粘着付与剤、テルペン系粘着付与剤、テルペンフェノール系粘着付与剤、クマロン系粘着付与剤、クマロンインデン系粘着付与剤、スチレン樹脂系粘着付与剤、キシレン樹脂系粘着付与剤、フェノール樹脂系粘着付与剤および石油樹脂系粘着付与剤からなる群より選ばれた少なくとも1種の粘着付与剤を含有することを特徴とする樹脂発泡体用粘着剤、および前記樹脂発泡体用粘着剤からなる粘着剤層が少なくとも一方表面に形成されてなる粘着テープ。
【選択図】なし
Description
(1)樹脂発泡体に用いられる粘着剤であって、(メタ)アクリル系コポリマーと粘着付与剤と架橋剤を含有することを特徴とする樹脂発泡体用粘着剤、ならびに
(2)前記(1)に記載の樹脂発泡体用粘着剤からなる粘着剤層を少なくとも一方の表面に形成されてなる粘着テープ
に関する。
1/Tg=Σ(Wm/Tgm)/100
〔式中、Wmはポリマーを構成するモノマー成分におけるモノマーmの含有率(質量%)、Tgmはモノマーmのホモポリマーのガラス転移温度(絶対温度:K)を示す〕
で表されるフォックス(Fox)の式に基づいて求められた温度を意味する。
攪拌機、冷却管、温度計、滴下漏斗および窒素ガス導入管を備えた4つ口フラスコ内に、n−ブチルアクリレート60部(重量部、以下同じ)、2−エチルヘキシルアクリレート37部、アクリル酸1部、2−ヒドロキシエチルアクリレート0.2部および酢酸ビニル2部を入れた後、酢酸エチル110部をフラスコ内に入れた。
(メタ)アクリル系コポリマーの反応溶液0.1g程度を秤量し、テトラヒドロフランで固形分濃度が約0.3重量%となるようにテトラヒドロフランで希釈し、分子量測定用サンプルを調製した。
・分離カラム:東ソー(株)製、品番:TSKgel Super HZM−M
・溶出溶媒:テトラヒドロフラン
・流量:0.35mL/min
・注入量:10μL/回
・試料濃度:0.2重量%
被着体として、サンドペーパー(#280)で研磨し、キシレンで十分に洗浄し、乾燥させたステンレス鋼(SUS304)板(表1中、「SUSP」と表記)、表面をイソプロピルアルコールで洗浄したポリプロピレン板(表1中、「PPP」と表記)、ポリウレタンフォーム〔イノアック(株)製、商品名:KCSフォーム〕(表1中、「PUF」と表記)、ポリエチレンフォーム〔富士ゴム工業(株)製、品番:P0030〕(表1中、「PEF」と表記)、エチレン−プロピレン−ジエン系ゴム製フォーム〔イノアック(株)製、商品名:E−4385〕(表1中、「EPDF」と表記)に、前記で得られた両面テープの一方表面の剥離紙を剥がし、その粘着面にポリエステルフィルム(厚さ:25μm)を裏打ちした。その後、両面テープの他方表面の剥離紙を剥がし、前記被着体に両面テープを貼り付け、両面テープの上を質量が2kgのロールで1往復させることによって接着させ、試験片を作製した。
〔材破率〕=〔被着体が破壊された面の面積〕÷〔剥離させた面の面積〕×100
に基づいて材破率を求めた。
前記で得られた両面テープを縦25mm、横25mmとなるように裁断することにより、試験用テープを作製した。サンドペーパー(#280)で研磨し、キシレンで十分に洗浄し、乾燥させた平滑な表面を有するステンレス鋼(SUS304)板に、前記で得られた試験用テープの一方表面の剥離紙を剥がし、その粘着面を貼付した後、両面テープの他方表面の剥離紙を剥がし、その粘着面にポリエステルフィルム(厚さ:25μm)を裏打ちすることにより、試験片を作製した。
アルミニウム板(幅:20mm、長さ:180mm、厚さ:0.4mm)とポリスチレン板(幅:25mm、長さ:200mm、厚さ:3mm)とを両面テープを介して貼り合わせた試験片を、アルミニウム板が上部、ポリスチレン板が下部となるように配置し、屈曲幅が190mmとなるように試験片全体を屈曲させた状態で40℃の雰囲気中に24時間放置したときの試験片の両端部における両面テープの浮きの長さ(mm)を測定し、以下の評価基準に基づいて評価した。
〔評価基準〕
◎:浮きが0.5mm未満
○:浮きが0.5mm以上1mm未満
△:浮きが1mm以上2mm未満
×:浮きが2mm以上
攪拌機、冷却管、温度計、滴下漏斗および窒素ガス導入管を備えた4つ口フラスコ内に、n−ブチルアクリレート54部、2−エチルヘキシルアクリレート40部、アクリル酸1部、2−ヒドロキシエチルアクリレート0.2部および酢酸ビニル5部を入れた後、酢酸エチル110部をフラスコ内に入れた。
攪拌機、冷却管、温度計、滴下漏斗および窒素ガス導入管を備えた4つ口フラスコ内に、n−ブチルアクリレート35部、2−エチルヘキシルアクリレート57部、アクリル酸1部、2−ヒドロキシエチルアクリレート0.2部および酢酸ビニル7部を入れた後、酢酸エチル110部をフラスコ内に入れた。
攪拌機、冷却管、温度計、滴下漏斗および窒素ガス導入管を備えた4つ口フラスコ内に、n−ブチルアクリレート19部、2−エチルヘキシルアクリレート70部、アクリル酸1部、2−ヒドロキシエチルアクリレート0.2部および酢酸ビニル10部を入れた後、酢酸エチル110部をフラスコ内に入れた。
攪拌機、冷却管、温度計、滴下漏斗および窒素ガス導入管を備えた4つ口フラスコ内に、n−ブチルアクリレート54部、2−エチルヘキシルアクリレート40部、アクリル酸1部、2−ヒドロキシエチルアクリレート0.2部、酢酸ビニル5部および連鎖移動剤としてn−ドデシルメルカプタン0.04部を入れた後、酢酸エチル110部をフラスコ内に入れた。
攪拌機、冷却管、温度計、滴下漏斗および窒素ガス導入管を備えた4つ口フラスコ内に、n−ブチルアクリレート54部、2−エチルヘキシルアクリレート40部、アクリル酸1部、2−ヒドロキシエチルアクリレート0.2部、酢酸ビニル5部および連鎖移動剤としてn−ドデシルメルカプタン0.07部を入れた後、酢酸エチル110部をフラスコ内に入れた。
攪拌機、冷却管、温度計、滴下漏斗および窒素ガス導入管を備えた4つ口フラスコ内に、n−ブチルアクリレート54部、2−エチルヘキシルアクリレート40部、アクリル酸1部、2−ヒドロキシエチルアクリレート0.2部、酢酸ビニル5部および連鎖移動剤としてn−ドデシルメルカプタン0.08部を入れた後、酢酸エチル110部をフラスコ内に入れた。
攪拌機、冷却管、温度計、滴下漏斗および窒素ガス導入管を備えた4つ口フラスコ内に、n−ブチルアクリレート14部、2−エチルヘキシルアクリレート70部、アクリル酸1部、2−ヒドロキシエチルアクリレート0.3部および酢酸ビニル15部を入れた後、酢酸エチル110部をフラスコ内に入れた。
攪拌機、冷却管、温度計、滴下漏斗および窒素ガス導入管を備えた4つ口フラスコ内に、n−ブチルアクリレート48部、2−エチルヘキシルアクリレート46部、アクリル酸1部、2−ヒドロキシエチルアクリレート0.2部およびメチルアクリレート5部を入れた後、酢酸エチル110部をフラスコ内に入れた。
攪拌機、冷却管、温度計、滴下漏斗および窒素ガス導入管を備えた4つ口フラスコ内に、n−ブチルアクリレート40部、2−エチルヘキシルアクリレート59部、アクリル酸1部および2−ヒドロキシエチルアクリレート0.2部を入れた後、酢酸エチル110部をフラスコ内に入れた。
攪拌機、冷却管、温度計、滴下漏斗および窒素ガス導入管を備えた4つ口フラスコ内に、n−ブチルアクリレート10部、2−エチルヘキシルアクリレート77部、メタクリル酸1部、2−ヒドロキシエチルアクリレート0.2部および酢酸ビニル12部を入れた後、酢酸エチル110部をフラスコ内に入れた。
攪拌機、冷却管、温度計、滴下漏斗および窒素ガス導入管を備えた4つ口フラスコ内に、n−ブチルアクリレート98.8部、アクリル酸1.0部および2−ヒドロキシエチルアクリレート0.2部を入れた後、酢酸エチル110部をフラスコ内に入れた。
攪拌機、冷却管、温度計、滴下漏斗および窒素ガス導入管を備えた4つ口フラスコ内に、n−ブチルアクリレート9部、2−エチルヘキシルアクリレート90部、アクリル酸1部および2−ヒドロキシエチルアクリレート0.2部を入れた後、酢酸エチル110部をフラスコ内に入れた。
Claims (2)
- 樹脂発泡体に用いられる粘着剤であって、粘着付与剤として、ロジン系粘着付与剤、重合ロジン系粘着付与剤、ロジンエステル系粘着付与剤、重合ロジンエステル系粘着付与剤、テルペン系粘着付与剤、テルペンフェノール系粘着付与剤、クマロン系粘着付与剤、クマロンインデン系粘着付与剤、スチレン樹脂系粘着付与剤、キシレン樹脂系粘着付与剤、フェノール樹脂系粘着付与剤および石油樹脂系粘着付与剤からなる群より選ばれた少なくとも1種の粘着付与剤を含有することを特徴とする樹脂発泡体用粘着剤。
- 請求項1に記載の樹脂発泡体用粘着剤からなる粘着剤層が少なくとも一方表面に形成されてなる粘着テープ。
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