Fen Body Department are closed obtained by object The surface treatments by (methyl) acrylic copolymer of the alkoxy of silicon containing first, and the wherein Gong Ju Wu Department polymerizations of its (methyl) acrylic acid system of The silicons containing first alkoxy are formed by following Single Body (a) ~ (c). (a) 55 ~ 65 Quality amounts % of Single Body shown in following general expressions (1). (in formula, R1 As H or CH3, the whole Number of p As 2 ~ 6)(b) 20 ~ 30 Quality amounts % of Single Body shown in following general expressions (2). (in formula, R2 As H or CH3, the alkyl or phenyl of R3 As carbon Number 1 ~ 5)(c) 15 ~ 20 Quality amounts % of acrylic acid and/or methacrylic acid. This surface is got over by whiting Body As water resistances Gifted, and the adherence of Right fleshes Skin is good. In addition, being smeared the flesh Skin not raw difference Iso senses of Hui Productivity and the Negative Tam senses of Hou by the change make-up material Right Tu of whiting Body containing this surface, has good flesh Skin adherences and make-up and imitate persistence.粉體係藉由含甲矽烷氧基的(甲基)丙烯酸系共聚合物經表面處理所得,其中該含甲矽烷氧基之(甲基)丙烯酸系共聚物係聚合由以下單體(a)~(c)而成。(a)下述一般式(1)所示之單體55~65質量%。(式中,R1為H或CH3,p為2~6的整數)(b)下述一般式(2)所示之單體20~30質量%。(式中,R2為H或CH3,R3為碳數1~5之烷基或苯基)(c)丙烯酸及/或甲基丙烯酸15~20質量%。此表面被覆粉體為耐水性優越,對肌膚之附著性良好。此外,含有此表面被覆粉體之化粧料對塗抹後的肌膚不會產生差異感和負擔感,具良好之肌膚附著性及粧效持久性。
