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US 2014/0350152 A1Published application
Treatment Of Filler With Silane
AssigneeDow Corning Corporation
InventorsMichael Wolfgang Backeer, Thomas Chaussee, Olivier Debever, Francois De Buyl
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Abstract
This invention relates to the treatment of a carbon based filler with a hydrolysable silane to modify the surface of the filler. It also relates to a carbon based filler modified by treatment with a hydrolysable silane, and to polymer compositions containing such a modified carbon based filler.
Claims21
A process for modifying the surface of a carbon based filler by treatment with a hydrolysable silane, characterised in that the hydrolysable silane is a silane of the formula
- wherein each R represents a hydrolysable group;
- each R″ represents a hydrocarbyl group having 1 to 8 carbon atoms;
- n=1 to 3;
- Y represents a divalent organic spacer linkage having 1 to 20 carbon atoms;
- X represents —O— or —NH—;
- m=0 or 1;
- R2 represents hydrogen or a hydrocarbyl or substituted hydrocarbyl group having 1 to 8 carbon atoms;
- Z represents an oxygen or sulphur atom;
- R3 represents a hydrocarbyl or substituted hydrocarbyl group having 1 to 20 carbon atoms;
- and R1 represents a hydrocarbyl or substituted hydrocarbyl group having 1 to 20 carbon atoms
7 more elements
(canceled)
Dependencies are inferred from the claim text.