| abstract |
The instant invention pertains to novel fluorosilicone polymers that have a very low surface tension, excellent oil resistance, excellent heat resistance, and so forth. n The fluorosilicone polymers of the instant invention are fluorosilicone polymers comprised of siloxane unit with the following formula n n [F(CF.sub.2).sub.a C.sub.2 H.sub.4 ].sub.2 SiO.sub.2/2 (a) n n where a is an integer with a value of 1 to 10 and fluorosilicone polymers as represented by the following formula n n {[F(CF.sub.2).sub.a C.sub.2 H.sub.4 ].sub.2 SiO.sub.2/2 }.sub.x (R.sub.2 n n SiO 2/2 ) y (c) n wherein a is an integer with a value of 1 to 10, x is an integer with a value of at least 2, y is an integer with a value of at least 1, x>y, and R is a monovalent hydrocarbon group. |