公开(公告)号：US20200299553A1

公开(公告)日：2020-09-24

申请号：US16061614

申请日：2015-12-18

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Wei Cui ,  Hongbo Liu ,  Weigang Lin ,  Long Yin ,  Qing Wu ,  Zhou Jin

IPC: C09J133/06 ,  C09J183/06

Abstract: UV curable adhesive compositions are provided that include 1) a UV curable poly(meth)acrylate copolymer containing monomeric units having an epoxy group wherein the poly(meth)acrylate copolymer has a glass transition temperature between −30° C. and −10° C., 2) a silsesquioxane polymer having epoxy-containing groups, and 3) a photocatalyst. UV cured adhesive compositions and adhesive tapes containing the cured adhesive compositions are also provided. The cured adhesive compositions are pressure sensitive adhesives.

公开(公告)号：US20220372348A1

公开(公告)日：2022-11-24

申请号：US17754608

申请日：2020-10-23

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Chao Yang ,  Hongbo Liu ,  Panpan Lin ,  Qiong Juan Duan

IPC: C09J133/08 ,  H04R7/26

Abstract: The present invention provides an acrylic damping adhesive. The acrylic damping adhesive comprises a crosslinked structure of a carboxy-containing acrylic polymer with a glass transition temperature less than or equal to −20° C. and a carboxy-containing acrylic polymer with a glass transition temperature ranging from 20° C. to 50° C. The acrylic damping adhesive according to technical solutions of the present invention exhibits double damping peaks in a rheological curve, and thus has a wider damping temperature range (the damping temperature range is greater than or equal to 50° C., and preferably greater than or equal to 90° C.), a higher frequency response of damping, and higher system stability.