| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an easily dispersible surface-treated powder. <P>SOLUTION: The surface-treated powder is particularly usable as a cosmetic and is obtained by subjecting a powder to surface treatment with a surface treating agent, which powder comprises a mixture A+B of at least one or two compounds selected from: (A) an alkylalkoxysilane represented by formula (1) (wherein n is an integer of 1-18; m is an integer of 1-3; and a and b are each an integer of 1-3 and a+b=4); (B) a reactive organosilicone represented by formula (2) (wherein R<SP>1</SP>is each a 1-4C lower alkyl group or hydrogen; R<SP>2</SP>is an amino group, hydrogen, a hydroxyl group or a 1-4C lower alkoxy group; and p is an integer of 1-300); and a 12-22C saturated or unsaturated branched fatty acid (including the one in the form of a salt). <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
