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US 2014/0350277 A1Published application
Hydrolysable Silanes
AssigneeDow Corning Corporation
InventorsMichael Wolfgang Backer, Thomas Chaussee, Sebastien Grofils, Fabien Rialland
Life of this patent
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Abstract
This invention relates to hydrolysable silanes useful in the modification of elastomers, and as coupling agents for diene elastomer compositions containing a filler. In particular the invention relates to novel hydrolysable silanes containing a tertiary amine group and an ether or thioether linkage.
Claims22
A hydrolysable 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;
- R1 represents a hydrocarbyl or substituted hydrocarbyl group having 1 to 20 carbon atoms;
- R2 represents hydrogen or a hydrocarbyl or substituted hydrocarbyl group having 1 to 8 carbon atoms;
- Z represents an oxygen or sulphur atom;
- and R3 represents a hydrocarbyl or substituted hydrocarbyl group having 1 to 20 carbon atoms, provided that when R3 is CH3, Y contains at least 2 carbon atoms.
7 more elements
(canceled)
The hydrolysable silane of the formula
19-28. (canceled)
Dependencies are inferred from the claim text.