| 主权项 |
1 A fluoroalkyl silicone of the formula: wherein each R1 is independently an alkyl or aryl; Rf is perfluoroalkyl of the formula —CF2—CqF2q—X—CrF2r—F, where q and r are independently 0 to 4, X is a covalent bond, —O—, or —NRf1 where Rf1 is C1-C3 perfluoroalkyl; R3 is —H, —OR4, or —(CH2)3—R4, where R4 is C1-C50 alkyl; n is 0 to 2000; m may be zero; p may be zero, and n+p is at least one; R5 is H, alkyl, aryl —(C3H6)—O—Rf, or R3; wherein the fluoroalkyl silicone has at least one —(C3H6)—O—Rf group. |
