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首页> 外文期刊>Vlakna a Textil >FIBRES BASED ON METALLOCENE POLYPROPYLENE: RHEOLOGY, MECHANICAL AND THERMAL PROPERTIES
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FIBRES BASED ON METALLOCENE POLYPROPYLENE: RHEOLOGY, MECHANICAL AND THERMAL PROPERTIES

机译：基于茂金属聚丙烯的纤维：流变，力学和热学性质

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摘要

In this paper the melt spinning of the fibre grade metallocene catalyzed isotactic polypropylene (miPP) and standard equivalent of Ziegler-Natta isotactic polypropylene (zniPP) as well as the rheological properties of PP resins and selected thermal and mechanical properties of fibres were investigated. The polypropylene fibres were spun at spinning temperatures within 190-290℃ and drawn for various draw ratios. The miPP fibres exhibited higher deformability in drawing, higher tenacity and Young's modulus in comparison with their conventional-based equivalent zniPP. The DSC measurements were carried out using constant length method (CLM) at which the constant length fibres during measurement were assured. The average orientation of fibres has been evaluated by method of sonic velocity. The parameters of the thermal properties of fibres were correlated with their basic mechanical properties.
机译：本文研究了纤维级茂金属催化的等规聚丙烯（miPP）和齐格勒-纳塔等规聚丙烯（zniPP）的标准当量的熔融纺丝以及PP树脂的流变性能以及纤维的选定热力学性能。聚丙烯纤维在190-290℃的纺丝温度下纺丝，并以各种拉伸比拉伸。与常规的等效zniPP相比，miPP纤维在拉伸方面表现出更高的可变形性，更高的强度和杨氏模量。使用恒定长度方法（CLM）进行DSC测量，在该方法下确保测量过程中恒定长度的纤维。纤维的平均取向已经通过声速方法进行了评估。纤维的热性能参数与其基本机械性能相关。

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  • 来源
    《Vlakna a Textil》 |2008年第3期|9-18|共10页
  • 作者

    A. Marcincin; M. Hricova; K. Marcincin;

  • 作者单位

    Department of Fibres and Textile Chemistry, Institute of Polymer Materials, FCHPT STU in Bratislava, Radlinskeho 9, 812 37 Bratislava, Slovak Republic;

    Department of Fibres and Textile Chemistry, Institute of Polymer Materials, FCHPT STU in Bratislava, Radlinskeho 9, 812 37 Bratislava, Slovak Republic;

    Department of Fibres and Textile Chemistry, Institute of Polymer Materials, FCHPT STU in Bratislava, Radlinskeho 9, 812 37 Bratislava, Slovak Republic;

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