SURFACE-TREATING AGENT FOR POWDERY MATERIAL, POWDERY MATERIAL TREATED WITH THE TREATING AGENT AND COSMETIC CONTAINING THE POWDERY MATERIAL

摘要

<P>PROBLEM TO BE SOLVED: To provide a surface-treating agent for a powdery material, imparting dispersibility with various oil agents, adhesion to skin, etc., and extensibility, to the powdery material. Ž<P>SOLUTION: The powder-treating agent comprises a copolymer having a recurring unit expressed by formula (1) and a recurring unit expressed by a norbornene carboxylic acid derivative. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž