公开(公告)号：US20170240782A1

公开(公告)日：2017-08-24

申请号：US15506019

申请日：2015-08-26

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Toshihiro Suwa ,  Yusuke Nozaki ,  Shinya Nakajima ,  Aya Nakada ,  Shingo Amari ,  Shunsuke Suzuki ,  Chun-Yi Ting ,  Yasuhiro Kinoshita

IPC: C09J133/06 ,  G06F3/044 ,  B32B7/12

CPC classification number: C09J133/066 ,  B32B7/12 ,  B32B2250/02 ,  B32B2255/26 ,  B32B2307/412 ,  B32B2457/208 ,  C09J4/00 ,  G06F3/044

Abstract: Problem: To provide an optically clear adhesive with a high dielectric constant having an excellent balance of adhesive strength and cohesive strength as well as excellent optical characteristics, and an optical laminate containing the same. Solution: The optically clear adhesive of an embodiment of the present disclosure comprises a polymer of an acrylic monomer composition containing a hydroxyl group-containing monomer and at least 0.09 mass % and less than 50 mass % of a monofunctional alkyl (meth)acrylate, wherein the number of moles of OH in 100 g of the adhesive is at least 0.3 and at most 0.90.