Two-component loop yarns comprising aramid filaments, manufacture
thereof and use thereof
    1.
    发明授权
    Two-component loop yarns comprising aramid filaments, manufacture thereof and use thereof 失效
    包含芳族聚酰胺长丝的双组分环纱,其制造及其用途

    公开(公告)号:US5645935A

    公开(公告)日:1997-07-08

    申请号:US567289

    申请日:1995-12-05

    IPC分类号: D01F6/80 D02G1/16 D02G3/00

    摘要: Two-component loop yarns are composed of core and effect filaments, at least part of the core component consisting of aromatic polyamides, wherein the aromatic polyamides contain the structural repeat units of the formulae I and II--OC--Ar.sup.1 --CO--NH--Ar.sup.2 --NH-- (I)--OC--Ar.sup.1 --CO--NH--Ar.sup.3 --NH-- (II),where Ar.sup.1, Ar.sup.2 and Ar.sup.3 are each independently of the others a bivalent mono- or polycyclic aromatic radical whose free valences are disposed para or meta or comparably parallel, coaxial or angled to each other, and Ar.sup.2 and Ar.sup.3 each have different individual meanings within the scope of the given definitions, and the respective monomer components underlying the polymer are selected so as to produce an aromatic polyamide which forms preferably isotropic solutions in organic solvents.

    摘要翻译: 双组分环纱由芯和效应丝组成,至少部分芯组分由芳族聚酰胺组成,其中芳族聚酰胺含有式I和II-OC-Ar1-CO-NH-Ar2的结构重复单元 -NH-(I)-OC-Ar1-CO-NH-Ar3-NH-(II),其中Ar1,Ar2和Ar3各自独立地为二价单价或多环芳族基团,其自由价位置为对位或 间或相似地平行,同轴或彼此成角度,并且Ar2和Ar3在给定定义的范围内各自具有不同的个体含义,并且选择聚合物下面的相应单体组分以产生优选各向同性的芳族聚酰胺 有机溶剂中的溶液。