JP2017105943A - 樹脂組成物、及び接着剤 - Google Patents
樹脂組成物、及び接着剤 Download PDFInfo
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- JP2017105943A JP2017105943A JP2015241466A JP2015241466A JP2017105943A JP 2017105943 A JP2017105943 A JP 2017105943A JP 2015241466 A JP2015241466 A JP 2015241466A JP 2015241466 A JP2015241466 A JP 2015241466A JP 2017105943 A JP2017105943 A JP 2017105943A
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- KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical compound CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 description 1
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- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- 238000009835 boiling Methods 0.000 description 1
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- 229930003836 cresol Natural products 0.000 description 1
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- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Chemical compound CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 description 1
- 239000012933 diacyl peroxide Substances 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 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
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- ZBCLTORTGNOIGM-UHFFFAOYSA-N ethenyl 2,2-dichloroacetate Chemical compound ClC(Cl)C(=O)OC=C ZBCLTORTGNOIGM-UHFFFAOYSA-N 0.000 description 1
- XJELOQYISYPGDX-UHFFFAOYSA-N ethenyl 2-chloroacetate Chemical compound ClCC(=O)OC=C XJELOQYISYPGDX-UHFFFAOYSA-N 0.000 description 1
- GFJVXXWOPWLRNU-UHFFFAOYSA-N ethenyl formate Chemical compound C=COC=O GFJVXXWOPWLRNU-UHFFFAOYSA-N 0.000 description 1
- RCTMPBPPPDIMPF-UHFFFAOYSA-N ethenyl n,n-diethylcarbamate Chemical compound CCN(CC)C(=O)OC=C RCTMPBPPPDIMPF-UHFFFAOYSA-N 0.000 description 1
- AFSIMBWBBOJPJG-UHFFFAOYSA-N ethenyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC=C AFSIMBWBBOJPJG-UHFFFAOYSA-N 0.000 description 1
- AFGACPRTZOCNIW-UHFFFAOYSA-N ethenylsulfanylethane Chemical compound CCSC=C AFGACPRTZOCNIW-UHFFFAOYSA-N 0.000 description 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 125000001072 heteroaryl group Chemical group 0.000 description 1
- LNCPIMCVTKXXOY-UHFFFAOYSA-N hexyl 2-methylprop-2-enoate Chemical compound CCCCCCOC(=O)C(C)=C LNCPIMCVTKXXOY-UHFFFAOYSA-N 0.000 description 1
- LNMQRPPRQDGUDR-UHFFFAOYSA-N hexyl prop-2-enoate Chemical compound CCCCCCOC(=O)C=C LNMQRPPRQDGUDR-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002432 hydroperoxides Chemical class 0.000 description 1
- 239000012216 imaging agent Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- WARQUFORVQESFF-UHFFFAOYSA-N isocyanatoethene Chemical compound C=CN=C=O WARQUFORVQESFF-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- UBJFKNSINUCEAL-UHFFFAOYSA-N lithium;2-methylpropane Chemical compound [Li+].C[C-](C)C UBJFKNSINUCEAL-UHFFFAOYSA-N 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- XJRBAMWJDBPFIM-UHFFFAOYSA-N methyl vinyl ether Chemical compound COC=C XJRBAMWJDBPFIM-UHFFFAOYSA-N 0.000 description 1
- AMBKPYJJYUKNFI-UHFFFAOYSA-N methylsulfanylethene Chemical compound CSC=C AMBKPYJJYUKNFI-UHFFFAOYSA-N 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 150000002772 monosaccharides Chemical class 0.000 description 1
- UTSYWKJYFPPRAP-UHFFFAOYSA-N n-(butoxymethyl)prop-2-enamide Chemical compound CCCCOCNC(=O)C=C UTSYWKJYFPPRAP-UHFFFAOYSA-N 0.000 description 1
- KKFHAJHLJHVUDM-UHFFFAOYSA-N n-vinylcarbazole Chemical compound C1=CC=C2N(C=C)C3=CC=CC=C3C2=C1 KKFHAJHLJHVUDM-UHFFFAOYSA-N 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- SJYNFBVQFBRSIB-UHFFFAOYSA-N norbornadiene Chemical compound C1=CC2C=CC1C2 SJYNFBVQFBRSIB-UHFFFAOYSA-N 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- HVAMZGADVCBITI-UHFFFAOYSA-M pent-4-enoate Chemical compound [O-]C(=O)CCC=C HVAMZGADVCBITI-UHFFFAOYSA-M 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
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- 229910052710 silicon Inorganic materials 0.000 description 1
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- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 1
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
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- PFURGBBHAOXLIO-PHDIDXHHSA-N trans-cyclohexane-1,2-diol Chemical compound O[C@@H]1CCCC[C@H]1O PFURGBBHAOXLIO-PHDIDXHHSA-N 0.000 description 1
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Images
Landscapes
- Adhesives Or Adhesive Processes (AREA)
- Polymerisation Methods In General (AREA)
Abstract
Description
で表され、X、R1及びR2がそれぞれ独立に2価の有機基で、R3及びR4がそれぞれ独立に水素原子又はメチル基である、ラジカル重合性化合物、及びラジカル重合性基以外の反応性官能基を有する単官能ラジカル重合性モノマーを含む、反応性モノマーを、モノマー単位として含む第一の重合体と、直鎖状又は分岐状の第二の重合体と、を含有する樹脂組成物に関する。
で表されるラジカル重合性化合物を含む第一の重合体と、第二の重合体とを含有する。式(I)中、X、R1及びR2がそれぞれ独立に2価の有機基で、R3及びR4がそれぞれ独立に水素原子又はメチル基である。硬化前の樹脂組成物中で反応性モノマーが重合することで、それら反応性モノマーに由来するモノマー単位から構成される第一の重合体が生成する。これにより、樹脂組成物が硬化する。第一の重合体は、通常、第二の重合体と共有結合によって結合することなく、第二の重合体とは別の重合体として樹脂組成物中に形成される。
で表される基であってもよい。式(10)中、Yは置換基を有していてもよい環状基で、Z1及びZ2はそれぞれ独立に炭素原子、酸素原子、窒素原子、及び硫黄原子から選ばれる原子を含む官能基で、i及びjはそれぞれ独立に0〜2の整数である。*は結合手を表す(これは他の式でも同様である)。Xが式(10)の基であると、式(II)の環状のモノマー単位が特に形成され易いと考えられる。環状基Yに対するZ1及びZ2の配置が、シス位であってもよいし、トランス位であってもよい。Z1及びZ2は、−O−、−OC(=O)−、−S−、−SC(=O)−、−OC(=S)−、−NR10−(R10は水素原子又はアルキル基)、又は−ONH−で表される基であってもよい。
合成例1:trans−1,2−ビス(2−アクリロイルオキシエチルカルバモイルオキシ)シクロヘキサン(BACH)の合成
100mL二口ナスフラスコにtrans−1,2−シクロヘキサンジオール(2.32g、20.0mmol)を加え、フラスコ内を窒素置換した。そこに乾燥したジクロロメタン(40mL)、及びジラウリン酸ジブチル錫(11.8μL、0.10mol%:0.020mmol)を入れた。フラスコ中の反応液に2−アクリロイルオキシエチルイソシアネート(5.93g、42.0mmol)のジクロロメタン(4mL)溶液を滴下ロートから滴下し、反応液を30℃で24時間撹拌して、反応を進行させた。反応終了後、反応液にジエチルエーテルを加えて飽和食塩水で洗浄した。有機層を無水硫酸マグネシウムで乾燥させた後、溶媒を減圧留去した。残渣をアセトニトリルに溶解させ、得られた溶液をヘキサンで3回洗浄した。溶媒を減圧留去し、残渣をジエチルエーテル及びヘキサンの混合溶媒からの再結晶によって精製して、BACHの白色結晶を得た。収量は、5.1gであり、収率は、64質量%であった。
20mLナスフラスコにポリエチレングリコール(PEG1500、750mg、0.500mmol、数平均分子量1500)、ポリプロピレングリコール(PPG4000、2000mg、0.500mmol、数平均分子量4000)を加えてからフラスコ内を窒素置換し、内容物を115℃で融解させた。融解液に4,4’−ジシクロヘキシルメタンジイソシアネート(262mg、1.00mmol)を加えて、窒素雰囲気下、115℃で24時間撹拌して、PEG−PPGオリゴマー(ポリオキシエチレン鎖及びポリオキシプロプレン鎖を含む第二の重合体)を得た。
合成例1のBACH、合成例2のPEG−PPGオリゴマー、グリシジルメタクリレート、PHENOLITE TD−2106(フェノールノボラック樹脂)、2−ヒドロキシエチルアクリレート、コロネート2507(ブロックイソシアネート)、アクリロニトリル、2−エチルヘキシルアクリレート、2,2’−アゾビス−イソブチロニトリル、及びIrgacure 651(2,2−ジメトキシ−1,2−ジフェニルエタン−1−オン)を表1に示す質量比で配合し、実施例又は比較例の混合液(硬化前の樹脂組成物)を得た。
上記2.で得られた混合液を、硬化後の厚さが1mmになるように、基材(離型処理されたポリエチレンテレフタラート(PET)製フィルム)に塗布した。塗布面を、離型処理されたPET製フィルムで被覆した。フィルムの上から、2000mJ/cm2の紫外線を照射した。被覆したPET製フィルムを剥離し、150℃で1時間加熱して、樹脂組成物を硬化させた。硬化後の樹脂組成物を幅5mm、長さ50mmの短冊状に打ち抜き、基材のPET製フィルムを剥離することで破断強度測定用の試験片を得た。
この試験片を、EZ−TEST(株式会社島津製作所)を用いて、室温、チャック間距離:30mm、引張速度:10.0mm/minの条件で、破断強度を測定した。
上記2.で得られた混合液を、硬化後の厚さが1mmになるように、基材(離型処理されていないポリエチレンテレフタラート(PET)製フィルム)に塗布した。塗布面を、離型処理されたPET製フィルムで更に被覆した。フィルムの上から、2000mJ/cm2の紫外線を照射した。被覆したPET製フィルムを剥離し、150℃で1時間加熱して、樹脂組成物を硬化させた。硬化後の樹脂組成物を幅25mm、長さ25mmの短冊状に打ち抜くことで保持力測定用の試験片を得た。
この試験片を、接着面の大きさが25mm×25mmになるようにローラーを用いてステンレス板に貼付した。これを垂直に配置し、試験片の自由端に1kgの重りをつけた。重りをぶら下げてから、ステンレス板から試験片が剥がれて重りが落下するまでの時間を測定した。
図1は、耐衝撃性評価時のサンプル、鉄球、スタンド及び万力を含む模式図を示す。
上記3.に記載の方法と同様の方法で作製した50mm×50mmの破断強度測定用の試験片2を、50mm×50mm×5mmのアクリル板1及び50mm×100mm×5mmのアクリル板3で挟み、ローラーを用いて貼り合わせて、耐衝撃性評価用のサンプルを得た。
得られた耐衝撃性評価用のサンプルを、スタンド5に固定された万力6を用いて固定した。アクリル板3の上面から高さ30cmの位置より、500gの鉄球4を、アクリル板3においてアクリル板1及び試験片2が貼付されていない部分に当たるように落下させた。この落下を5回繰り返してもアクリル板3が剥離しなかったサンプルについては良好と評価し、5回未満でアクリル板3が剥離したサンプルについては剥離したときの落下回数を表1に示した。
Claims (8)
- 前記第二の重合体が、ポリオキシアルキレン鎖を含む重合体である、請求項1に記載の樹脂組成物。
- 前記第二の重合体が、2以上の線状鎖と、前記線状鎖の末端同士を連結する連結基と、を含む重合体であり、前記連結基が、環状基を含む有機基又は分岐状の有機基である、請求項1又は2に記載の樹脂組成物。
- 前記第二の重合体の重量平均分子量が5000以上である、請求項1〜4のいずれか一項に記載の樹脂組成物。
- 前記ラジカル重合性基以外の反応性官能基が、エポキシ基、水酸基、イソシアネート基、オキセタニル基、カルボキシ基、アミノ基、アミド基、及びメルカプト基からなる群から選択される少なくとも一つの基である、請求項1〜5のいずれか一項に記載の樹脂組成物。
- 前記反応性モノマーが、ラジカル重合性基以外の反応性官能基を有しない単官能ラジカル重合性モノマーを更に含む、請求項1〜6のいずれか一項に記載の樹脂組成物。
- 請求項1〜7のいずれか一項に記載の樹脂組成物からなる、接着剤。
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