Fillers, pigments and mineral powders treated with organopolysiloxanes
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United States of America Patent
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Aug 25, 2015
Grant Date -
Dec 24, 2009
app pub date -
Sep 17, 2007
filing date -
Sep 18, 2006
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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.
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