- 专利标题: SURFACE PROTECTIVE FILM FOR OPTICAL MEMBER
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申请号: US17783614申请日: 2020-12-11
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公开(公告)号: US20230015861A1公开(公告)日: 2023-01-19
- 发明人: So Jin KIM , Hyun Cheol KIM , Jeong Min CHOI , Hyun Goo KANG , Jae Seung LIM
- 申请人: LG CHEM, LTD.
- 申请人地址: KR Seoul
- 专利权人: LG CHEM, LTD.
- 当前专利权人: LG CHEM, LTD.
- 当前专利权人地址: KR Seoul
- 优先权: KR10-2019-0164905 20191211
- 国际申请: PCT/KR2020/018136 WO 20201211
- 主分类号: C09J4/06
- IPC分类号: C09J4/06 ; H01L51/52 ; C09J11/06 ; C09J175/14
摘要:
The present invention provides a surface protective film which includes an adhesive layer on one surface of a substrate film, wherein the adhesive layer is a cured product of a composition containing: a urethane-based resin having a photoreactive group at the end or side chain thereof; a monofunctional (meth)acrylate monomer; a crosslinking agent having two or more photoreactive groups at the end thereof; a peel strength adjusting agent; and a photoinitiator, the composition being solvent-free; and the adhesive layer has peel strength of 0.5 gf/in to 10 gf/in, as measured on glass at a peel angle of 180° and a peel rate of 1.8 m/min.