Patent ID: 8748527
Filing Date: 2014-06-10
Classification: B01J,B82Y,C01P,C08K,C08L,C09C

Abstract:
1. A mixture comprising: (A) at least one styrene-acrylonitrile copolymer, and (B) at least one photocatalytically active particle, comprising a non-porous core comprising at least one metal oxide or, semimetal oxide of metals and semimetals selected from the group consisting of V, Ti, Zr, Ce, Mo, W, Bi, Zn, Mn, Si, Ba, Au, Ag, Pd, Pt, Ru, Rh, La, and mixtures thereof, with a diameter of from 1 nm to 200 nm, and, at least 70% surrounding the core, at least one porous outer layer comprising at least one further metal oxide or further semimetal oxide selected from SiO wherein the ratio of proportion of metal or semimetal in the outer layer in atomic percent to proportion of the metal or semimetal in the core, in atomic percent, amounts to from 2 to 80.