聚丙烯纤维改性新进展

阐述了聚丙烯纤维改性的新进展。介绍了新型多功能细旦聚丙烯纤维、高强高模聚丙烯纤维及新型茂金属催化聚丙烯的开发现状以及共混技术在聚丙烯纤维改性中的应用。     

国内外聚丙烯纤维综述

近年来，细旦聚丙烯纤维正在成为一种理想的服用面料纤维．本文对国内外细旦聚丙烯纤维的发展历史和最新进展作了评述，并详细地分析了细旦聚丙烯纤维的特性及其在服用方面的应用。     

可染型聚丙烯纤维的研究

采用高聚物共混改性方法,成功地研制出可染型聚丙烯树脂。并对其热性能、流变性、可纺性及染色性进行了研究。结果表明：可染型聚丙烯树脂具有良好的可染性,可制取分散染料和阳离子染料可染的聚丙烯纤维。     

细旦多孔异彩复合假捻变形丝的生产工艺

采用阳离子染料可染改性聚酯切片,经熔融纺丝制得细旦多孔阳离子染料可染涤纶预取向丝(POY),在假捻变形加弹机上与细旦多孔常规涤纶POY以特别方式复合混纤加工,可制得一染异色的细旦多孔异彩复合假捻变形丝,产品适用于高档起绒面料,并具有重要的环保意义。     

细旦多孔异彩复合假捻变形丝的生产工艺

采用阳离子染料可染改性聚酯切片,经熔融纺丝制得细旦多孔阳离子染料可染涤纶预取向丝(POY),在假捻变形加弹机上与细旦多孔常规涤纶POY以特别方式复合混纤加工,可制得一染异色的细旦多孔异彩复合假捻变形丝,产品适用于高档起绒面料,并具有重要的环保意义。     

我国抗静电聚丙烯纤维进展

介绍了抗静电纤维及织物的制备方法,综述了我国抗静电聚丙烯纤维的进展。在聚丙烯树脂内添加抗静电剂进行共混纺丝是制备聚丙烯抗静电纤维的主要方法,产品主要为BCF地毯纱和丙纶复丝。服用细旦丝和装饰用中粗旦丝是其发展趋势。     

聚丙烯细旦与超细旦纤维纺前染色新方法

聚丙烯细旦与超细旦纤维纺前染色新方法由于聚丙烯的非极性结构，它不能与极性染料结合，因此通常认为它不可染色。普通聚丙烯纤维及其织物不能进行印染后整理，它们大都是通过着色，即纺前染色而获得颜色的。应用这种方法虽然也能获得有颜色的纤维，但它只适合大批量的生...     

可染型丙纶的研究

采用高聚物共混改性的方法,研制出可染聚丙烯树脂,对其流变性、可纺性及其纤维的染色性进行了研究。结果表明,共混丙纶具有良好的分散染料可染性,而且各项牢度良好。     

聚丙烯纤维可染改性进展

聚丙烯纤维染色改性作为丙纶改性的热点,受到纤维工作者的广泛重视,尤其对高聚物共混改性丙纶的探索为获得性能优良的可染纤维积累了经验.添加剂性质、共混体系性能、上染机理及纺丝、上染的工艺都对染色效果有不同程度影响.     

聚酯纤维

982081生产PET预取向丝(POY)特别是细旦纤维现代化技术Stibalo W.…;Chem.Fibers Intern.,1996,46,(4),p .292,295一296(英)紧凑生产POY的纺丝技术与常规技术作对比,所制备纤维的纤度的整个范围由细旦到常规,设备是无导丝辊紧凑型纺丝机,文章同时对某些POY产品的性能作了讨论,并展示了作为POY细旦纤维其d.p.f对其表面性能和可拉伸性能的影响。(汪兴华)聚醋预取向丝细旦纤维性能 982082阳离子可染涤纶Rao B.R.…;Colourage,1996,43,(8),P.23一26(英)在印度,早于二十年前就有许多生产商开发了阳离子可染涤纶长丝(CDP),但至今CDP…     

细旦丙纶长短丝在纺织工业中的应用

本文详细列举了国内外细旦丙纶长短丝在针织内衣、装饰布、工业织物及无纺布工业中的应用实例。并介绍了有关生产厂家和产品规格。     

合成纤维国家工程研究中心赴美考察报告

介绍了美国ＨＩＬＬＳ公司丙纶新品种及其与ＡＳＯＮ公司联合开发的高速短程纺细旦纺粘无纺布技术和美国Ｓｔｅｒｌｉｎｇ纤维公司腈纶生产及新品种开发情况，提出了相应的建议。     

细旦丙纶POY生产工艺探讨

本文主要从分析工艺条件及参数的控制出发,对细旦丙纶POY的生产技术进行探讨,了解这些参数对POY的结构和性能的影响,从而为寻求最佳化的工艺参数指明方向,以求正确指导细旦丙纶POY的生产.     

细旦丙纶的拉伸性能和加弹变形性能探讨

着重探讨了细旦丙纶的拉伸性能和加弹变形性能。试验发现，要获得拉伸性能好、性能优良的细旦丙纶，切片中必须加入高分子量添加剂的可控流变聚丙烯（ＣＲＰＰ），卷绕丝的结构，晶型以大方酝晶为主，结晶度较低，预取向达到一定值。加弹变形温度和产生紧点的临界温度均低于普通丙纶。随着变形温度的增加，紧缩弹性恢复享有一最大值，断裂强度和伸长随之下降，紧点数逐渐增多。     

异形细旦抗静电丙纶高速纺丝研究

采用抗静电剂与PP二次混合、异形、细旦纺丝技术结合 ,选择复配抗静电剂体系 ,添加质量比为0 .7%左右 ,共混纤维的抗静电效果优良。通过流变性能的测试 ,拟定了主要的纺丝工艺 ,分析了纺丝温度、纺丝速度、单丝线密度等参数对纤维结构和性能的影响     

三异细旦高弹涤纶复合纱的生产工艺

对细旦T400复合弹性纤维的纺丝工艺以及以细旦T400复合弹性纤维与细旦涤纶POY复合生产三异细旦高弹涤纶复合纱的假捻变形工艺进行了分析。实验证明:控制好纺丝工艺制得合适的双组分并列复合弹性纤维T400POY,然后在假捻变形加工过程中与细旦涤纶POY网络复合,可以制得弹性好、手感柔软、绒感风格独特的异成分、异线密度、异收缩的三异细旦高弹涤纶复合纱。     

组织结构对三维机织物的吸水导湿性能影响

以差动毛细效应为基础,细旦丙纶和黏胶长丝为原料,设计织造了正交结构、角联锁结构和多层接结结构的三维机织物,并对各织物的吸水导湿性能进行测试分析。结果表明:正交结构三维机织物的吸水导湿性能最优。     

Dyeing fine denier polypropylene fibers with phenylazo- β -naphthol-containing sulfonamide disperse dyes

A series of phenylazo-β-naphthol-containing sulfonamide disperse dyes were prepared from C.I. Acid Orange 7 by successive reactions of chlorination and amination, and their chemical structures were characterized by FTIR, ¹H NMR, and mass spectrometry. The dyes were applied to coloring of knitted fabrics from fine denier polypropylene fibers by exhaust dyeing and their optimal dyeing conditions, such as dyebath pH, dyeing temperature, dyeing time, and dye concentration were investigated in detail. Then, dye exhaustion, color strength, and color fastnesses of the dyes on the fibers were assessed and summarized. In view of dye exhaustion and color strength of the sulfonamide dyes on fine denier PP fabrics, 90°C was selected as the best dyeing temperature at dye concentration below or equal to 3.0% owf. For achieving higher color strength, 130°C was the better choice when the dye concentration was above 3.0% owf. The sulfonamide dyes, especially secondary sulfonamide dyes, exhibited superior dye exhaustion and color fastnesses to washing, sublimation, and rubbing on fine denier PP fabrics in comparison to C.I. Solvent Yellow 14 bearing the same chromophore but without sulfonamide group.     

Dyeing fine denier polypropylene fibers with phenylazo-<Emphasis Type="Italic">β</Emphasis>-naphthol-containing sulfonamide disperse dyes

A series of phenylazo-β-naphthol-containing sulfonamide disperse dyes were prepared from C.I. Acid Orange 7 by successive reactions of chlorination and amination, and their chemical structures were characterized by FTIR, ¹H NMR, and mass spectrometry. The dyes were applied to coloring of knitted fabrics from fine denier polypropylene fibers by exhaust dyeing and their optimal dyeing conditions, such as dyebath pH, dyeing temperature, dyeing time, and dye concentration were investigated in detail. Then, dye exhaustion, color strength, and color fastnesses of the dyes on the fibers were assessed and summarized. In view of dye exhaustion and color strength of the sulfonamide dyes on fine denier PP fabrics, 90°C was selected as the best dyeing temperature at dye concentration below or equal to 3.0% owf. For achieving higher color strength, 130°C was the better choice when the dye concentration was above 3.0% owf. The sulfonamide dyes, especially secondary sulfonamide dyes, exhibited superior dye exhaustion and color fastnesses to washing, sublimation, and rubbing on fine denier PP fabrics in comparison to C.I. Solvent Yellow 14 bearing the same chromophore but without sulfonamide group.