| abstract |
A filler, pigment or mineral powder surface treated with a silicon compound is described. The silicon compound is a polydiorganosiloxane having at least one terminal group of the formula —SiR″(OR′) 2 or —Si(OR′) 3 , wherein R″ represents an alkyl, substituted alkyl, alkenyl or aryl group and each R′ represents an alkyl group having 1 to 4 carbon atoms. The filler, pigment or mineral powder treated is hydrophobic and is used in composites or industrial processes. |