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首页> 外文期刊>Journal of Applied Polymer Science >Novel CO2 laser drawing of thermotropic liquid crystal polymer and poly(ethylene 2,6-naphthalate) blend fibers
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Novel CO2 laser drawing of thermotropic liquid crystal polymer and poly(ethylene 2,6-naphthalate) blend fibers

机译：热致液晶聚合物和聚2,6-萘二甲酸乙二醇酯共混纤维的新型CO2激光拉伸

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摘要

Thermotropic liquid crystal polymer (TLCP)/poly(ethylene 2,6-naphthalate) (PEN) were prepared by a melt blending, and were melt spun by a spin-draw process. In this study, we suggest novel drawing technology using the CO2 laser that can directly and uniformly heat up fiber inside to prevent the formation of ununiform structures in conventional heat drawing process. The properties of the heat/laser drawn TLCP/PEN blend fibers were superior to those of any other handled fibers, and were rather more excellent than those of TLCP/PEN blend fibers annealed at 135 degrees C for 10 min. It was confirmed that the CO2 laser drawing made it possible to achieve the optimal drawing effect by draw ratio. The combined heating and CO2 laser-drawing method has a great potential for industrial applications as a novel fiber-drawing process, and it can also be applied continuously to conventional spin-draw system. (c) 2007 Wiley Periodicals, Inc.
机译：通过熔融共混制备热致液晶聚合物（TLCP）/聚（2,6-萘二甲酸乙二酯）（PEN），并通过旋转拉伸工艺将其熔融纺丝。在这项研究中，我们建议使用CO2激光的新型拉伸技术，该技术可以直接均匀加热内部的纤维，以防止传统热拉伸过程中形成不均匀的结构。热/激光拉伸TLCP / PEN共混纤维的性能优于任何其他处理的纤维，并且比在135℃下退火10分钟的TLCP / PEN共混纤维的性能更好。可以确认，利用CO 2激光拉伸可以通过拉伸倍率获得最佳的拉伸效果。加热和CO2激光拉丝相结合的拉丝方法作为一种新型的纤维拉丝工艺，在工业应用中具有很大的潜力，并且还可以连续应用于常规的旋转拉丝系统。 （c）2007年Wiley Periodicals，Inc.

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