- 专利标题: Photocurable resin composition and production method of image display device
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申请号: US14892115申请日: 2014-05-21
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公开(公告)号: US10025184B2公开(公告)日: 2018-07-17
- 发明人: Mizuki Iwata , Takeshi Uematsu , Kazuhito Kawabata , Naoki Hayashi
- 申请人: DEXERIALS CORPORATION
- 申请人地址: JP Tokyo
- 专利权人: DEXERIALS CORPORATION
- 当前专利权人: DEXERIALS CORPORATION
- 当前专利权人地址: JP Tokyo
- 代理机构: Oliff PLC
- 优先权: JP2013-120198 20130606
- 国际申请: PCT/JP2014/063418 WO 20140521
- 国际公布: WO2014/196355 WO 20141211
- 主分类号: G03F7/028
- IPC分类号: G03F7/028 ; C08F290/04 ; C08F290/06 ; G03F7/00 ; G03F7/20
摘要:
A liquid photocurable resin composition contains a (meth)acrylate oligomer component, an alkyl (meth)acrylate monomer component, and a photopolymerization initiator component. The (meth)acrylate oligomer component contains at least one oligomer selected from the group consisting of a polyurethane (meth)acrylate oligomer, a polyisoprene (meth)acrylate oligomer, a polybutadiene (meth)acrylate oligomer, and a polyether (meth)acrylate oligomer that have a weight average molecular weight of 1,000 to 200,000. The photopolymerization initiator contains a molecule cleavage-type photoradical polymerization initiator and a hydrogen-abstracting photoradical polymerization initiator at a ratio by mass of 10:1 to 10:35. The cured resin that is obtained by photoradical polymerization of the photocurable resin composition has a glass transition temperature of −40 to 20° C. when the composition is cured at a curing ratio of the outermost surface of more than 90%.
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