Patent ID: 8642181
Filing Date: 2014-02-04
Classification: B32B,C09J,H05K,Y10T

Abstract:
1. A metal-clad white laminate, comprising: a white resin layer composed of a resin composition which is obtained by mixing a polyimide having a repeating unit as represented by the general formula I with a white pigment: wherein R represents a tetravalent aliphatic group which is derived from cyclohexane; Φ represents a structural unit represented by at least one selected from the group consisting of: and Φ may have a main chain wherein at least one partial structure selected from the group consisting of —O—, —SO at least one metal layer, the white resin layer being an adhesive layer for the metal layer, wherein the at least one metal layer has a thickness of 2 to 100 μm, and the white pigment has a content of 10 to 70% by weight in the resin composition, wherein the white pigment comprises rutile titanium oxide having a surface on which a coating layer is formed, wherein the coating layer on the titanium oxide is obtained by being subjected to SiO wherein the white pigment is particulate and has a particle diameter in a range of 0.05 to 0.43 μm.