发明名称 Monofilament of polyhexamethylene adipamide having a surface layer of reduced orientation relative to the orientation of the core
摘要 Heavy denier, polyamide monofils are produced by the coupled steps of spinning, quenching, drawing and winding. Quenching involves passage of the filament through an air gap and a water bath. There are two stages of drawing. In the first stage, pressurized steam is used to deorient surface polymer and as a draw assist. The product is characterized by a surface layer of oriented polymer having reduced orientation relative to the orientation of the core polymer.
申请公布号 US4056652(A) 申请公布日期 1977.11.01
申请号 US19760722512 申请日期 1976.09.13
申请人 E. I. DU PONT DE NEMOURS AND COMPANY 发明人 GAUNTT, SIBBLEY PAUL
分类号 D01F6/60;D02J1/22;(IPC1-7):D02G3/00 主分类号 D01F6/60
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