Patent ID: 7361722
Filing Date: 2008-04-22
Classification: C08G

Abstract:
1. A method for producing a fluorosilicone composition comprising the steps of: (a) reacting a perfluoro alpha olefin with a substituted hydrogen di-halo-silane to produce a first reaction product; (b) reacting said first reaction product with a primary or secondary amine to produce a second reaction product; (c) reacting said second reaction product with a fluorine containing silanol terminated siloxane to produce a fluorosilicone composition said fluorosilicone composition comprising M, D and D′ units having the formula: with: where R 1 and R 2 are each independently selected from the group of C1 to C40 monovalent hydrocarbon radicals and R 3 is selected from the group consisting of C1 to C40 monovalent hydrocarbon radicals, C2 to C40 monovalent alkenyl hydrocarbon radicals, hydrogen, hydroxyl, C3 to C16 fluorine substituted monovalent hydrocarbon radicals and R 11 R 12 N where R 11 is selected from the group C1 to C10 monovalent hydrocarbon radicals and R12 is selected from the group C1 to C10 monovalent hydrocarbon radicals and hydrogen; where R 4 is selected from the group consisting of C1 to C40 monovalent hydrocarbon radicals, C2 to C40 monovalent alkenyl hydrocarbon radicals and C3 to C7 fluorine substituted monovalent hydrocarbon radicals and R 5 is selected from the group of C3 to C7 fluorine substituted monovalent hydrocarbon radicals; and where R 6 is selected from the group consisting of C1 to C40 monovalent hydrocarbon radicals and C6 to C16 fluorine substituted monovalent hydrocarbon radicals and R 7 is selected from the group of C6 to C16 fluorine substituted monovalent hydrocarbon radicals, where the subscripts a, b and c are non-zero and positive, a is at least 2 and c is at least 2.