Patent ID: 8933164
Filing Date: 2015-01-13
Classification: B82Y,C01P,C08K,C09C,C09D,Y10S

Abstract:
1. A dispersion for modifying a surface with hydrophobized silica, comprising, based on the weight of the dispersion: a) from 0.1 to 25% by weight of hydrophobized deagglomerated silica, wherein the hydrophobized deagglomerated silica in the dispersion has been prepared by comminution of particles of hydrophobized silica in a suspension comprising at least one alcohol selected from the group consisting of: ethanol; 1-propanol; and 2-propanol; and at least one silazane of formula (I) or (II): b) from 8 to 90% by weight of at least one alcohol selected from the group consisting of: ethanol; 1-propanol; and 2-propanol; c) from 7 to 89% by weight of water; d) from 0 to 30% by weight of solvents not miscible with water; and e) from 0.1-0.2% by weight of at least one carboxy vinyl polymer, wherein said carboxy vinyl polymer is present in neutralized form.