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首页> 外文期刊>The Journal of the Textile Institute >Relationship between dye sorption and morphology in polypropylene/poly (butylene terephthalate) microfibrillar blend nanocomposite fibers
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Relationship between dye sorption and morphology in polypropylene/poly (butylene terephthalate) microfibrillar blend nanocomposite fibers

机译：聚丙烯/聚对苯二甲酸丁二醇酯微原纤共混纳米复合纤维中染料吸附与形态的关系

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摘要

In this research work, the relation between microstructural enhancement and dyeing behavior of immiscible blend nanocomposite fibers was investigated using scanning electron microscopy, transmission electron microscopy, X-ray diffraction patterns, and rheometric mechanical spectrometer along with quantitative analysis of dye sorption. A novel microfibrillar morphology blend fiber, in which poly (butylene terephthalate) nanocomposite fibrils uniformly distributed in the cross section of polypropylene matrix, was successfully developed using melt compounding process. Preferred location of nanoclay had improving effect on poly (butylene terephthalate) fibril formation such that there was an organoclay concentration above that fiber with fine microfibrillar morphology could hardly be produced. It was demonstrated that nanoclay melt intercalation and partitioning controlled the activation energy of dyeing. The maximum sorption rate was achieved by utilizing compatibilizer to transfer part of nanoclay platelets into the polypropylene matrix.
机译：在这项研究工作中，使用扫描电子显微镜，透射电子显微镜，X射线衍射图和流变机械能谱仪以及对染料吸附的定量分析，研究了不混溶共混纳米复合纤维的微观结构增强与染色行为之间的关系。利用熔融复合工艺成功地开发了一种新型的微原纤形态混合纤维，其中聚对苯二甲酸丁二醇酯纳米复合纤维均匀分布在聚丙烯基质的横截面上。纳米粘土的优选位置对聚对苯二甲酸丁二醇酯的原纤维形成具有改善的作用，使得有机粘土的浓度高于该浓度，几乎不能产生具有细微原纤维形态的纤维。结果表明，纳米粘土熔体的插层和分配控制着染料的活化能。通过使用增容剂将部分纳米粘土血小板转移到聚丙烯基质中，可以达到最大吸附速率。

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