Patent ID: 6114419
Filing Date: 2000-09-05
Classification: C07D,C08K,D01F,Y10T

Abstract:
An extruded filament comprising a fiber forming thermoplastic polymer having dispersed therein from about 0.1% to about 5% by weight of polymer of an additive which improves the repellency of the filament to low surfae tension fluids, said additive being selected from the group consisting of1) a compound of formula A ##STR15## wherein R.sub.1 is F(CF.sub.2).sub.x --(CH.sub.2).sub.m or F(CF.sub.2).sub.x SO.sub.2 N(R.sub.5) (CH.sub.2)p wherein x is from about 4 to about 20, m is from about 2 to about 6, p is from 1 to about 12, and R.sub.5 is an alkyl radical of from 1 to about 4 carbons andR.sub.2 is a linear, branched, or cyclic alkylene or poly(oxyalkylene) hydrocarbon group having from about 2 to about 15 carbons;2) a compound of formula B ##STR16## wherein R.sub.1 is as defined above for formula A, andR.sub.6 is a linear or branched alkyl having from about 4 to about 20 carbons;3) a compound of formula C ##STR17## wherein R.sub.3 is selected from the group consisting of F(CF.sub.2).sub.x --(CH.sub.2).sub.m, F(CF.sub.2).sub.x --(CH.sub.2).sub.m --OC(O)--(CH.sub.2).sub.n, and F(CF.sub.2).sub.x SO.sub.2 N(R.sub.5)(CH.sub.2).sub.p OC(O)(CH.sub.2).sub.n wherein x is from about 4 to about 20, m is from about 2 to about 6, and n is about 2 to about 12, p is from 1 to about 12, and R.sub.5 is an alkyl radical of from 1 to about 4 carbons;4) a compound of formula D ##STR18## wherein R.sub.3 is as defined above for formula C; and5) a compound of formula E ##STR19## wherein R.sub.3 is as defined above for formula C; andR.sub.4 is an alkyl or alkenyl group of from about 4 to about 20 carbons, and6) mixtures of compounds A through E.