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US 4,689,085 AGranted
Coupling agent compositions
AssigneeDow Corning Corporation
InventorEdwin P. Plueddemann
Life of this patent
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Abstract
Coupling agent and primer compositions comprising a conventional silane coupling agent (I), and a disilyl crosslinker compound (II) of the general formula (RO).sub.3 SiR'Si(OR).sub.3 where RO denotes a hydrolyzable group, R' denotes a divalent organic radical, and the weight ratio of (I) to (II) is between 1:99 and 99:1 inclusive.
Claims56
A composition comprising:
- (I) a silane coupling agent;
- and
- (II) a disilyl crosslinker compound represented by the general formula
- (RO).sub.3 SiR'Si(OR).sub.3
- wherein RO denotes an alkoxy radical having 1 to 8 carbon atoms, R' is selected from alkylene groups having 1 to 8 carbon atoms, ##STR7## in which x and y are 1 to 5. ##STR8## in which x and y are between 0 and 3 inclusive, or ##STR9## in which s, t, u, and v are 1 to 3 inclusive and wherein the weight ratio of (I) :
- (II) is between 1:99 and 99:1 inclusive.
3 more elements
Dependencies are inferred from the claim text.