Patent ID: 7311770
Filing Date: 2007-12-25
Classification: C04B

Abstract:
1. A granulated hydrophobing additive comprising: from 5 to 30% by weight of an organopolysiloxane, from 10 to 45% by weight of a binder material selected from the group consisting of: from 50 to 85% by weight of a carrier, the organopolysiloxane having the formula: wherein each R substituent is selected from the group consisting of: wherein each R′ substituent may be the same or different and is selected from the group consisting of: wherein R″′ is a hydrocarbon group with 1 to 6 carbon atoms; each R″ is an organopolysiloxane chain of the formula O—[R′ wherein the organopolysiloxane and the binder material are deposited on the carrier.