- 专利标题: Adhesive articles including a cushion layer and a continuous shell layer
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申请号: US15733208申请日: 2018-12-14
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公开(公告)号: US11118088B2公开(公告)日: 2021-09-14
- 发明人: David J. Yarusso , Ross E. Behling , Peter M. Simone , Chaodi Li , Zhong Chen , Sharon Wang , Jingjing Ma , Eric D. Shockey
- 申请人: 3M INNOVATIVE PROPERTIES COMPANY
- 申请人地址: US MN St. Paul
- 专利权人: 3M INNOVATIVE PROPERTIES COMPANY
- 当前专利权人: 3M INNOVATIVE PROPERTIES COMPANY
- 当前专利权人地址: US MN St. Paul
- 代理商 Jean A. Lown
- 国际申请: PCT/IB2018/060125 WO 20181214
- 国际公布: WO2019/123180 WO 20190627
- 主分类号: C09J7/38
- IPC分类号: C09J7/38 ; C09J133/08
摘要:
An adhesive article including: a flexible backing; a first cushion layer permanently bonded to a first surface of the flexible backing, wherein the first cushion layer: has an average thickness of at least 10 micrometers; and includes an acrylate pressure-sensitive adhesive having a Fox Tg of up to −30° C., wherein the acrylate pressure-sensitive adhesive includes a (meth)acrylate copolymer; and a first continuous shell layer adjacent the first cushion layer, wherein: the first continuous shell layer has an average thickness of up to 25 micrometers; the ratio of the first cushion layer average thickness to the first shell layer average thickness is at least 2:1; the first continuous shell layer includes an adhesive having a Fox Tg of −20° C. to +50° C.; and the first continuous shell layer adhesive includes a copolymer having a weight average molecular weight of at least 100,000 Daltons.
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