Patent ID: 8895653
Filing Date: 2014-11-25
Classification: C01F,C01G,C01P,C08K,C09C,C09J

Abstract:
1. An acrylic pressure-sensitive adhesive composition comprising: (A) a copolymer of butyl acrylate and acrylic acid; (B) an organophilic layered double hydroxide organically treated with an organic anion; and (C) a crosslinking agent, wherein the layered double hydroxide to be organically treated to provide the component (B) is a non-stoichiometric compound represented by one of the following general formula (1) and (2): wherein M wherein the component (B) is present in a proportion of from 3 parts by weight to 5 parts by weight based on 100 parts by weight of the component (A), wherein the component (C) is present in a proportion of from 0.1 to 3 parts by weight based on 100 parts by weight of the component (A), and wherein an adhesive strength of the acrylic pressure sensitive adhesive at 23° C. is from 3.5 to 6.8 N/20 mm.