Silylated poly(vinyl)phenol polymers
AssigneeShipley Company, L.L.C.
InventorWells C. Cunningham
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Abstract
Novel partially silylated polyvinylphenol polymers of the Formula (I) are disclosed: ##STR1## wherein X is H or CH.sub.3 ; R is --OH or ##STR2## wherein R.sub.1 is --O or --O(CH.sub.2).sub.n, n is 1 to 4, and R.sub.2, R.sub.3 and R.sub.4 are independently selected from 1-4 carbon alkyl, aryl or benzyl, and wherein the average molecular weight of the silylated polymer is from about 2,700 to 22,000 and the average percent by weight silicon is from about 3% to 12%. This invention also relates to blends of such polymers to yield a polymer having a predetermined average molecular weight and percent by weight silicon.
Claims10
A partially silylated polymer, the polymer comprising the repeating unit represented by Formula (I):
- ##STR6## wherein X is H or CH.sub.3 ;
- R is --OH or ##STR7## wherein R.sub.1 is --O or --O(CH.sub.2).sub.n, n is 1 to 4, and R.sub.2, R.sub.3 and R.sub.4 are independently selected from 1-4 carbon alkyl, aryl or benzyl, and wherein the average molecular weight of the silylated polymer is from about 2,700 to 22,000 and the average percent by weight silicon is from about 3% to 12%.
A partially silylated polymer comprising the reaction product resulting from the reaction of a poly(vinyl)phenol polymer with less than an equivalent of an organosilicon compound capable of transferring a trisubstituted silylmethyl group or trisubstituted silyl group to some of the phenolic hydroxyl groups of the poly(vinyl)phenol polymer;
- the resulting polymer comprising the repeating structural unit of Formula (I):
- ##STR8## wherein X is --H or --CH.sub.3 ;
- R is --OH or ##STR9## wherein R.sub.1 is --O or --O(CH.sub.2).sub.n, n is 1 to 4, and R.sub.2, R.sub.3 and R.sub.4 are independently selected from 1-4 carbon alkyl, aryl or benzyl, and wherein the average molecular weight of the silylated polymer is from about 2,700 to 22,000 and the average percent by weight silicon is from about 3% to 12%.
Dependencies are inferred from the claim text.