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    • 36. 发明公开
    • Gear crimped jaspe yarns and processes for their manufacture
    • ZahnradgekräuselteEffektgarne und Verfahren zu ihrer Herstellung。
    • EP0034439A1
    • 1981-08-26
    • EP81300457.9
    • 1981-02-03
    • IMPERIAL CHEMICAL INDUSTRIES PLC
    • Whale, William EdwardShaw, Frederick William
    • D02G3/34
    • D02G1/14
    • There is provided a drawn gear-crimped yarn with latent bulk, the yarn being a nodally interlaced composite yarn comprising polyester continuous filaments and polyamide continuous filaments in the weight ratio 90:10 to 10:90 and the amount and nature of the bulk and the interlacing being such that the composite yarn has an initial crimp as defined of2%to 12%, a mechanical crimp stability as defined of above 0%and has 40 to 140 nodes per metre. The gear-crimped yarn may be produced by heating a drawable polyester yarn (1) having a birefringence of at least 30 x 10- 3 and a drawable polyamide yarn (4) having a birefringence of at least 30 x 10 -3 , simultaneously drawing and gear-crimping the composite yarn by means of toothed draw rolls (11,12), forwarding the crimped composite yarn from the toothed draw rolls under a controlled tension within the range 0.15 to 0.50 g per decitex based on the decitex of the drawn composite yarn and subsequently nodally interlacing (18) the composite yarn such that it has 40 to 140 nodes per metre, the weight ratio of the polyester yarn to the polyamide yarn being in the range 90:10 to 10:90.
    • 提供了具有潜在体积的拉伸齿轮卷曲纱线,该纱线是包含聚酯连续长丝和聚酰胺连续长丝的节点交织复合纱线,其重量比为90:10至10:90,并且本体的量和性质 使得复合纱线具有定义为2%至12%的初始卷曲,如上述0%定义的机械卷曲稳定性并且具有40至140个节点/米。 齿轮卷曲纱线可以通过加热双折射率为至少30×10 -3的可拉伸聚酯纱线(1)和双折射率为至少30×10 -3的可拉伸聚酰胺纱线(4) - > <3>,同时通过齿形拉伸辊(11,12)拉伸和齿轮压接复合纱线,将卷曲复合纱线从有齿拉伸辊中以受控张力在0.15至0.50g /分钟范围内 基于拉伸复合纱的分数,随后将复合纱线(18)交织(18)使得其具有40至140个节点/米,聚酯纱线与聚酰胺纱线的重量比在90:10至10 :90。