| 摘要 |
The present invention relates to a composite pigment comprising: at least one small core particle with a mean particle size of more than 100 nm and less than 1 mum, preferably less than 600 nm, and more preferably less than 400 nm; and optionally at least one large core particle with a mean particle size of 2 mum or more, preferably 3 mum or more, more preferably 4 mum or more, and even more preferably 5 mum or more, wherein the surface of the small core particle is at least in part covered with at least one coating layer comprising at least one particulate organic solid UV filter and wherein the small core particle comprises at least one organic polymer. The composite pigment according to the present invention can provide enhanced UV filtering effects and safety, and optionally enhanced coloring effects. |
