Patent ID: 6447588
Filing Date: 2002-09-10
Classification: C09K,D21H,Y10T

Abstract:
A water and oil repellent composition comprising a compound represented by the following formula 1 and propylene glycol[RfQO]m[HO]n[Y+Oâˆ’]kP&boxH;Oâ€ƒâ€ƒFormula 1 provided that the symbols in the formula have the following meanings:Rf: a polyfluoroalkyl group, Q: a bivalent organic group, Y+: (N+HR1R2R3) or an alkali metal cation, wherein each of R1, R2 and R3, which are independent of one another, is a hydrogen atom, â€”CH2CH2OH, â€”CH2CH2CH2OH, â€”CH(CH3)CH2OH or â€”CH2CH(OH)CH3, m, n and k: each being an integer, m&gE;1, n&gE;0, k&gE;0, and m+n+k=3.