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Fibers and polymers v.11 no.3, 2010년, pp.494 - 499   SCIE 피인용횟수: 1
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The Variation of Fibrils' Number in the Sea-island Fiber -Low Density Polyethylene/Polyamide 6-

Pan, Zhijian    (State Key Laboratory of Modification of Fiber and Polymer Materials, College of Material Science and Engineering, Donghua University   ); Zhu, Meifang    (State Key Laboratory of Modification of Fiber and Polymer Materials, College of Material Science and Engineering, Donghua University   ); Chen, Yanmo    (State Key Laboratory of Modification of Fiber and Polymer Materials, College of Material Science and Engineering, Donghua University   ); Chen, Long    (State Key Laboratory of Modification of Fiber and Polymer Materials, College of Material Science and Engineering, Donghua University   ); Wu, Wenhua    (State Key Laboratory of Modification of Fiber and Polymer Materials, College of Material Science and Engineering, Donghua University   ); Yu, Chengbing    (School of Materials Science and Engineering, Shanghai University   ); Xu, Zhi    (State Key Laboratory of Modification of Fiber and Polymer Materials, College of Material Science and Engineering, Donghua University   ); Cheng, Lingyan    (State Key Laboratory of Modification of Fiber and Polymer Materials, College of Material Science and Engineering, Donghua U  );
  • 초록

    In melt spinning of low density polyethylene/polyamide6 (LDPE/PA6), fibrils' number in LDPE/PA6 blend fiber is calculated at different take-up velocity. Firstly, PA6 fibrils are dispersed in the LDPE matrix in LDPE/PA6 blend fiber (55:45, weight ratio). The number of PA6 fibrils increases with an increase of the take-up velocity. Because the shorter processing time suppresses the coalescence at the high take-up velocity, it causes an increase of PA6 fibrils. Besides, the irregular shape of PA6 fibrils' cross section also confirms fibrils' coalescence. Secondly, LDPE fibrils are dispersed in the PA6 matrix in LDPE/PA6 blend fiber (6:94, weight ratio). However, the number of LDPE fibrils doesn't change no matter how the takeup velocity is. In case of LDPE/PA6 (6:94) blend fiber, the low weight ratio of the dispersed LDPE causes the absence of fibrils' coalescence, so fibrils' number does not change. In conclusion, the variation of fibrils' number implies the existence of the coalescence phenomenon in the fiber spinning process. The variation of fibrils' number in the sea-island fiber is of practical importance for manufacturing the micro-fine fiber, and is a method to investigate the coalescence behavior in the extensional flow.


  • 주제어

    Coalescence .   Melt spinning .   Blend fiber .   LDPE .   PA6.  

  • 참고문헌 (13)

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  • 이 논문을 인용한 문헌 (1)

    1. 2016. "" Fibers and polymers, 17(9): 1343~1351     

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