Texturing, stretching and relaxation behaviour of polylactide multifilament yarns

Manich A.M.; Miguel R.; Lucas J.Franco F.Baena B.Carilla J.Montero L.Cayuela D.

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Texturing, stretching and relaxation behaviour of polylactide multifilament yarns

机译：聚丙交酯复丝纱线的变形、拉伸和松弛行为

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Polylactide multifilament yarns were textured in order to be endowed with properties of natural staple fibre yarns for textile applications. Texturing promotes the formation of stable secondary links between the macromolecular chains. A polylactide 167/68 dtex multifilament yarn was textured under different conditions. Relaxation experiments at yield, strain softening, strain hardening and just before breaking were performed. The relaxation behaviour was studied by the application of the generalized Maxwell model. The initial stress induced when stretched, the final non-relaxed stress after relaxation and the stress relaxed at different times were determined. Variations in the relaxation behaviour were related to texturing conditions and stretching.

机译：聚丙交酯复丝经过纹理处理，以赋予纺织应用中天然短纤维纱线的特性。纹理化促进了大分子链之间稳定的次级链接的形成。对聚丙交酯167/68 dtex复丝纱线在不同条件下进行变形处理。在屈服、应变软化、应变硬化和断裂前进行松弛实验。通过应用广义Maxwell模型研究了松弛行为。确定了拉伸时引起的初始应力、松弛后的最终非松弛应力和不同时间的应力松弛。松弛行为的变化与变形条件和拉伸有关。

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来源
《Textile research journal》 |2011年第17期|1788-1795|共8页
作者
Manich A.M.; Miguel R.; Lucas J.Franco F.Baena B.Carilla J.Montero L.Cayuela D.;
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作者单位

IQAC-CSIC, Jordi Girona 18-26, Barcelona 08034, Spain;

Universidade da Beira Interior, Portugal;

Technical University of Catalonia, Spain;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种英语
中图分类纺织工业、染整工业;
关键词
False-twist texturing; generalized Maxwell model; polylactide multifilaments; stress relaxation;

机译：假捻纹理;广义麦克斯韦模型;聚丙交酯复丝;应力松弛;

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Texturing, stretching and relaxation behaviour of polylactide multifilament yarns

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