| abstract |
The invention relates to a method of treating fibers, comprising applying thereto a compound of the general formula (I), wherein R1 represents an alkyl group containing from 1 to 23 carbon atoms, R2 represents an alkyl group containing from 1 to 23 carbon atoms, n is a number between 3 and 15, m is a number between 1 and 6, Y represents -O- or -S-, and X represents -C2H4O- or -C3H6O- or a mixture of -C2H4O- and -C3H6O-. |