Invention Grant
- Patent Title: Adhesive articles including a cushion layer and a continuous shell layer
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Application No.: US15733208Application Date: 2018-12-14
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Publication No.: US11118088B2Publication Date: 2021-09-14
- Inventor: David J. Yarusso , Ross E. Behling , Peter M. Simone , Chaodi Li , Zhong Chen , Sharon Wang , Jingjing Ma , Eric D. Shockey
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: US MN St. Paul
- Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee Address: US MN St. Paul
- Agent Jean A. Lown
- International Application: PCT/IB2018/060125 WO 20181214
- International Announcement: WO2019/123180 WO 20190627
- Main IPC: C09J7/38
- IPC: C09J7/38 ; C09J133/08

Abstract:
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.
Public/Granted literature
- US20200369926A1 ADHESIVE ARTICLES INCLUDING A CUSHION LAYER AND A CONTINUOUS SHELL LAYER Public/Granted day:2020-11-26
Information query
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