| 摘要 |
This invention is directed to a method for treating fibers by applying thereto a compound having the general formula <IMAGE> (I) wherein R1 is alkyl from 1 to 23 carbon atoms, R2 is alkyl from 1 to 23 carbon atoms, n is a number from 3 to 15, and X is -C2H4O- or -C3H6O-, or a mixture of -C2H4O- and -C3H6O-.
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