Patent ID: 8980431
Filing Date: 2015-03-17
Classification: A61F,C08G,C08K,C08L,C09D,G02B,G03C,Y10T

Abstract:
1. A primer composition for an optical article comprising; (A) an aqueous dispersion of urethane resin having a polycarbonate-derived skeleton (A-component); (B) a polyester resin prepared by polycondensation of polybasic acid and polyhydric alcohol and containing no urethane bond (—NHCOO—) in its molecule (B-component); (C) inorganic oxide fine particles (C-component); and (D) water (D-component), characterized in that to 100 parts by weight of A-component, B-component is 10˜95 parts by weight, C-component is 70˜300 parts by weight, and D-component is 150˜2300 parts by weight.