Patent ID: 9494808
Filing Date: 2016-11-15
CPC Classification: C08F,C09B,G02F

Claim Text:
1. Particles comprising pigment core particles encapsulated by a polymer consisting of monomer units of a) at least one polymerisable dye, b) at least one co-monomer, c) at least one polymerisable steric stabiliser, d) optionally at least one charged co-monomer, and e) optionally at least one crosslinking co-monomer, wherein the core particles are white reflective particles having a refractive index of ≧1.8, wherein a single pigment core particle is coated with at least one surfactant and encapsulated by a polymer, and wherein the pigment core particle is selected from the group consisting of titanium dioxide, zinc oxide, silicon dioxide, alumina, barium sulphate, zirconium dioxide, calcium carbonate, kaolinite, diantimony trioxide and tin dioxide.