公开(公告)号：US20220162481A1

公开(公告)日：2022-05-26

申请号：US17431929

申请日：2020-04-08

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Jitendra S. Rathore ,  Maria A. Appeaning ,  Georgiy Teverovskiy ,  Marie A. Boulos ,  Chris J. Tanley ,  Kacy N.M. Rainey

IPC: C09J7/38 ,  C09J7/40 ,  C08L23/08 ,  C08G77/442 ,  C08G77/12 ,  C08G77/08

Abstract: A pressure sensitive adhesive article is described comprising a pressure sensitive adhesive in contact with the release layer. The release layer comprises a thermoplastic polymer and a block copolymer additive having the general structure: A[LB]n wherein A is a polyorganosiloxane block, L is a covalent bond or a divalent linking group B is independently a C16-C70 alkyl group, and n is at least 1. In other embodiments, compositions are described comprising a thermoplastic polymer the described block copolymer additive; as well as methods of making a release composition.