基本信息:
- 专利标题： 帯電防止表面保護フィルム
- 专利标题（英）：ANTISTATIC SURFACE PROTECTIVE FILM
- 申请号：JP2021068141 申请日：2021-04-14
- 公开(公告)号：JP2021119391A 公开(公告)日：2021-08-12
- 发明人： 長倉 毅 , 新見 洋人 , 長谷川 良 , 吉田 弘幸 , 菱沼 昌世 , 鈴木 史恵 , 大津賀 健太郎
- 申请人： 藤森工業株式会社
- 申请人地址： 東京都文京区小石川一丁目1番1号
- 专利权人： 藤森工業株式会社
- 当前专利权人： 藤森工業株式会社
- 当前专利权人地址： 東京都文京区小石川一丁目1番1号
- 代理人： 田▲崎▼ 聡; 大浪 一徳; 貞廣 知行
- 主分类号： G02B5/30
- IPC分类号： G02B5/30 ; B32B27/00 ; B32B27/30 ; B32B27/26 ; B32B27/18 ; C08F220/10 ; G02B1/16
To provide an antistatic surface protective film which hardly contaminates an adherend, does not degrade with the passage of time, and has excellent antistatic performance upon separation.SOLUTION: An acrylic polymer is composed of an acrylic polymer derived by copolymerizing (a1) 1-30 parts by weight of (meth)acrylic acid ester having a C1-C4 alkyl group, (a2) 70-99 parts by weight of (meth)acrylic acid ester having a C5-C18 alkyl group, and (B) 0.1-12 parts by weight of a copolymerizable monomer containing a hydroxyl group, and further contains (C) a di- or more-functional isocyanate compound, (D) a crosslink accelerator, and (E) a keto-nol tautomeric isomer compound, and is formed by pasting a release agent layer 4-laminated release film 5 to the surface of an adhesive layer 2 composed of an adhesive composition not containing an antistatic agent, the release agent layer 4 including a release agent composed mainly of dimethyl polysiloxane and an antistatic agent.SELECTED DRAWING: Figure 1