Patent ID: 9321246
Filing Date: 2016-04-26
CPC Classification: B05D,B32B,C08G,C09D,C10M,C10N,Y10T

Claim Text:
1. A cold rolled steel sheet comprising, on a surface thereof, an organic-inorganic composite film containing: an organic resin; and a crystalline layered material, wherein the organic-inorganic composite film has an average film thickness of 0.10 to 2.0 μm and contains 0.5 part or more by weight of the crystalline layered material as a solid with respect to 100 parts by weight of a solid of the organic resin, wherein the crystalline layered material is a layered double hydroxide represented by [M M M A wherein 0<x≦0.33, 1≦n≦2, and 0.33≦z≦1, and wherein a base material of the cold rolled steel sheet has a strength exceeding 440 MPa.