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    • 5. 发明授权
    • Thermotropic aromatic polyester(amide) monofilament
    • 热致芳香聚酯(酰胺)单丝
    • US06550507B1
    • 2003-04-22
    • US09454639
    • 1999-12-06
    • Philippe EsnaultJean-Claude Aubry
    • Philippe EsnaultJean-Claude Aubry
    • B60C900
    • D01F6/84D01D5/088D01F6/82
    • An as-spun monofilament of thermotropic aromatic polyester(amide), which satisfies the following conditions: D≧40; Te>45; &Dgr;L≧0, D being its diameter (in &mgr;m), Te its tenacity (in cN/tex) and &Dgr;L its variation in length (in %) after 2 minutes at 235±5° C. at an initial tension of 0.2 cN/tex. A spinning process for obtaining such a monofilament, including, upon emergence from the spinneret, of structuring the flow of the polymer by stretching in a layer of gaseous fluid for a predetermined time which is a function of the diameter D, before thermally quenching the flow of polymer thus structured in a liquid, so as to solidify it.
    • 一种热致芳香族聚酯(酰胺)的单丝单丝,满足以下条件:D> = 40; Te> 45; DELTAL> = 0,D是其直径(以mn计),在235±5℃下,在0.2cN的初始张力下,其强度(cN / tex)和DELTAL其长度变化(以%计) / tex。 用于获得这种单丝的纺丝方法,包括在喷丝头出现时,通过在气态流体层中拉伸作为直径D的函数的预定时间来构造聚合物的流动,然后在热淬火之前 由此构成液体的聚合物,以使其固化。