| 摘要 |
PURPOSE:Cosmetic having a transparent feeling of extender pigment, fluidity, smooth spread on the skin, improved adhesion, suppressing excess luster, containing one or more extender pigment whose surface is coated with an acrylic resin. CONSTITUTION:Extender pigment such a talc, kaolin, mica, sericite, etc. having 1-50mu average particle diameter is dispersed into water containing surface active agent, an acrylic resin of acrylic monomer having 10,000-200,000 average molecular weight and an initiator such as potassium persulfate, etc. are added to the dispersion, polymerization is carried out under heating with stirring, filtration and water washing are repeated, to give powdery extender pigment coated with the acrylic resin film. A composition ratio of the pigment and the acrylic resin by weight is 95:5-50:50. When CN or Cl is contained in the molecule of the acrylic resin, it is not suitable in terms of safety. The cosmetic is useful as a makeup cosmetic such as especially foundation, face powder, lipstick, eye shadow, etc. |
