Nylon/polyester bicomponent filaments of dumbbell cross-sectional shape having a jagged interfacial surface, the polyester being an antimony-free copolyester having 5-(sodium sulfo) isophthalate units. The surface of the bicomponent filament being at least 75% of one of the polymeric components.
申请公布号
DE3345634(C2)
申请公布日期
1994.01.05
申请号
DE19833345634
申请日期
1983.12.16
申请人
E.I. DU PONT DE NEMOURS & CO., WILMINGTON, DEL., US
