Composition and method of use
A composition comprising a polyester reacted with an epoxy silane, the product of said reaction having increased solvent resistance than the initial polyester.
1 . A composition comprising a polyester reacted with an epoxy silane, the product of said reaction having increased solvent resistance than the initial polyester.
2 . The composition in accordance with claim 1 wherein the polyester is polybutylene terephthalate.
3 . The composition in accordance with claim 1 wherein the composition has additional polymer components therein.
4 . The composition in accordance with claim 2 wherein the composition has additional polymer components therein.
5 . A method for increasing the solvent resistance of a polyester which comprises reacting the polyester with an epoxy silane.
6 . The method in accordance with claim 5 wherein the epoxy silane is about 0.1 to about 2.0 wt % of the polyester.
7 . The method in accordance with claim 5 wherein the polyester is polybutylene terephthalate.
8 . The method in accordance with claim 6 wherein the polyester is polybutylene terephthalate.
9 . The method in accordance with claim 5 wherein the epoxy silane has an epoxy cycloaliphatic group at one end and a silane at the other end.
10 . The method in accordance with claim 6 wherein the epoxy silane has an epoxy cycloaliphatic group at one end and a silane at the other end.
11 . The method in accordance with claim 7 wherein the epoxy silane has an epoxy cycloaliphatic group at one end and a silane at the other end.
12 . The method in accordance with claim 5 wherein the epoxy silane is beta-(3,4-epoxycyclohexyl) ethyl triethoxysilane.
13 . The method in accordance with claim 5 wherein the epoxy silane is beta-(3,4-epoxycyclohexyl) ethyl triethoxysilane.
14 . The method in accordance with claim 8 wherein the epoxy silane is beta-(3,4-epoxycyclohexyl) ethyl triethoxysilane.