吸湿排汗纤维在针织产品中的应用

概述了吸湿排汗纤维的基本原理，并且阐述了Coolmax、Coolplus、Cooldry、Topcool等吸湿排汗纤维及其性能，以及其在针织产品中的应用。     

吸湿排汗纤维性能及混纺针织物染整工艺

吸湿排汗纤维是一种新型功能性纤维，该纤维强力好、耐磨性高、吸湿导湿性好、透气性佳，具有特殊的横截面结构特征。根据吸湿排汗纤维Cooldry和Coolplus纤维和棉纤维混纺针织物的特点，介绍了该产品的染整工艺．并通过了生产实践和工艺探讨，为进一步开发吸湿排汗纤维混纺新产品提供一定的参考依据。     

Cooldry(R)吸湿排汗针织物的整理工艺

介绍了新型异形截面涤纶纤维Cooldry(R)针织物吸湿排汗整理的生产工艺.生产实践表明:具有比普通聚酯比表面积大和传导孔道多的Cooldry(R)纤维经吸湿排汗整理剂DM-3402亲水整理后,增加了纤维的亲水性基团,从而提高了纤维表面对水分子的吸收性,能将人体活动时所产生的汗水迅速排至衣服表层并蒸发,满足了运动休闲服和内衣的使用要求.     

改性涤纶混纺针织纱的开发

探讨改性涤纶混纺针织纱的纺纱工艺。针对高档针织面料用纱的质量要求,依据纤维特性,选用细特涤纶纤维、吸湿排汗双抗纤维、Cooldry纤维作为原料,并确定出恰当的混纺比;制定合理的纺纱工艺路线和各工序纺纱工艺参数,细纱采用赛络纺技术;优选关键纺纱器材型号,如针布、胶辊、钢丝圈,喂入喇叭口隔距等,并严格控制好各工序温湿度。通过采取一系列技术措施,最终顺利生产出细特涤纶/吸湿排汗双抗纤维/Cooldry纤维40/30/30 14.8 tex针织纱,其质量指标达到产品开发设计要求。     

吸湿排汗织物的染整加工

吸湿排汗纤维,通过纤维截面异形化来增加毛细管作用,使汗水迅速迁移至织物表面并发散,达到导湿快干的目的。文中介绍了吸湿排汗织物的染整加工,包括前处理、染色和后处理的加工工艺,并对其染色性能、吸水及干燥性能进行了评定。     

16种无缝针织运动面料液态水分管理能力评价

以4种原料组合搭配4种组织结构组成的16种面料的液态水分传导性能为研究对象,利用纺织品液态水分管理测试仪(MMT)对吸湿排汗整理前后的面料进行测试,并分析吸湿排汗整理、原料组合和组织结构对面料吸湿排汗性能的影响。结果表明:经过整理的面料吸湿排汗性能明显优于未经过整理的面料,吸湿排汗整理对面料上层浸润时间、底层最大浸润半径、底层扩散速率、单向传递指数和整体水分管理指数有显著影响,对面料吸水速率没有显著影响;原料组合对未经过吸湿排汗整理面料的吸湿排汗性能有显著影响;原料组合和组织结构对经过吸湿排汗整理面料的底层最大浸润半径、底层吸水速率的影响不显著。     

吸湿排汗纤维及织物的应用研究

吸湿排汗纺织品利用其吸湿及导湿作用能满足人们对夏季服装及运动服装舒适性的要求。本文基于织物吸湿排汗的基本原理,列举了多种最新研究并已广泛应用的吸湿排汗纤维,包括涤纶类吸湿排汗纤维和非涤纶类吸湿排汗纤维,以及吸湿排汗纱线,包括短纤纱、长丝纱和复合纱等。同时阐述吸湿排汗型针织面料、梭织面料和非织造产品的设计思路,指出目前吸湿排汗产品普遍存在的问题,如产品功能单一,性能不稳定,面料档次不高以及产品同质化严重等。     

纽代尔纤维、吸湿排汗纤维Cooldry、涤纶和棉防羽绒布的开发

利用纽代尔纤维和吸湿排汗Cooldry纤维与涤纶纤维及棉纤维混纺高支纱加工防羽绒布产品的工艺实践，通过生产实践，对生产该产品所采取的技术措施和工艺参数作了阐述，为提高产品质量提供一定的参考依据。     

Cooldry涤纶织物吸湿排汗整理

新型异形截面涤纶纤维Cooldry具有比普通涤纶更大的比表面积和更多的传导孔道，使用吸湿排汗整理剂DM-3402对其进行亲水整理，整理工艺可与染色同浴进行，或染色后定形前再进行整理。结果表明，经整理后的织物，能极大地增加纤维的亲水性基团，从而提高纤维表面对水分子的吸收性，其毛效高度、扩散直径、残留水分率均能达到企业制定的吸湿排汗织物技术标准。     

PTT吸湿排汗纬编针织面料性能研究

吸湿排汗聚酯纤维越来越受学术界与产业界的关注,其中应用较多的是异形截面纤维以及亲水剂处理的方法。通过导湿性与透湿性的测试,研究了PTT异形截面吸湿排汗纤维与PET异形截面吸湿排汗纤维的性能优劣,以及异形截面与亲水剂处理的面料间的吸湿排汗性能差异。     

导湿排汗纤维机织物的导湿性能

 通过织物垂直芯吸法和表面液滴法来分析在织物结构参数相同的情况下不同异形截面纤维对织物导湿性能的影响。实验结果表明:在织物结构参数相同时,织物导湿顺序与纱线导湿顺序一致,与纤维形态结构和细度相关;液体沿织物经纬向的芯吸传导时间和芯吸高度呈指数关系;2种方法的实验结果基本吻合,但在比较不同结构纤维织物的导湿性能时,采用垂直芯吸法测试较表面液滴法好。     

抗菌吸湿排汗针织面料的染整工艺

抗菌、吸湿排汗纤维是新型的功能性纤维,该纤维抗菌及吸湿导湿性好、透气性佳。根据抗菌、吸湿排汗纤维混纺针织物的特点,介绍了该面料的染整工艺,并通过生产实践和工艺探讨,为进一步开发抗菌及吸湿排汗纤维混纺面料产品提供可参考依据。     

空气喷射变形丝的芯吸效应

利用毛细管上升法和液滴吸收法研究了聚酯、黏胶、聚酰胺、聚酯/黏胶和聚酯/聚酰胺空气喷射变形丝的芯吸率和吸湿率。结果表明,空气变形后复丝的芯吸率提高。与聚酰胺和黏胶空气喷射变形丝相比,聚酯空气喷射变形丝显示出较大的芯吸率。黏胶空气喷射变形丝显示出最低的芯吸率。与同样的未变形丝相比,混合的空气喷射变形丝显示出较大的芯吸率。     

Investigation on permeability and moisture management properties of different denim fabrics after repeated laundering

The physiological comfort determined by air permeability and moisture management properties of fabrics is influenced by various constructional parameters of the fabric which give woven fabric a porous structure. Evaporation of sweat during wear has the potential to cool the body besides restricting the additional weight of sweat being absorbed by the fabric. In this study, comfort characteristics of denim fabrics with different weft yarn of cotton, polyester and core spun Lycra have been discussed. Effect of enzyme washing and repeated laundering on air permeability, moisture management and drying rate has also been discussed. It was observed that air permeability and water vapour permeability of unwashed denim fabrics with cotton weft yarn are significantly higher than the fabric with polyester and Lycra cotton weft yarns. The wetting time is higher for cotton and Lycra cotton yarn fabrics. One-way transport index is highest for Lycra cotton weft fabrics and lowest for fabrics with polyester weft. Fabrics with polyester weft yarns show highest spreading rate, spreading radius and drying rate due to better wicking and hydrophobic nature of polyester fibres.     

Aerocool高透湿机织物的开发与性能分析

利用棉纤维与Aerocool纤维混纺织造机织面料。设计不同原料比例、不同组织结构等工艺参数，着重讨论了Aerocool高透湿机织物的吸水、快干、透湿性能。试验发现：Aerocool纤维含量是影响织物吸湿排汗性能的重要指标；织物内部松紧结构对织物吸湿透湿性能影响较大；不同排列比对织物吸湿性能影响不大。     

Thermophysiological comfort properties of polyester weft-knitted fabrics for sports T-shirt

In sportswear industry, the usage of synthetic material is increasing due to its excellent water transport characteristic. This study aims to evaluate the thermo-physiological comfort properties of different sports fabrics and to investigate the effect of fabric physical property and knitting parameter on comfort-related properties of commercial sportswear fabric. Vertical wicking test, wettability test, dry rate test as well as air resistance test were conducted on 17 types of polyester-knitted fabrics obtained from market. Analysis of variance and multiple-comparison least significant difference test was performed to select the best fabric for sportswear. A single jersey fabric sample No. 16 made of 75D/100f in 145 g/m² as determined to be the best fabric for sports T-shirt due to its excellent wicking property, faster water absorbency, quicker dry rate, and lower air resistance. It is likely that finer filament, low fabric mass, and proper density are associated with best property. Besides, it is found that higher mass was associated with higher air resistance, higher porosity was associated with faster dry speed, and faster vertical wicking rate was associated with shorter water absorption time for fabrics tested in this study.     

干爽涤纶织物的研发

 在阐述织物湿传导途径的基础上,分析织物的吸湿、润湿特性和导湿机制,推导织物中毛细管液态水运输总流量公式,并介绍五叶形涤纶纤维Coolfibre的截面形状和芯吸特性,得出芯吸时间与芯吸高度的回归方程。分析了人体出汗时如要迅速达到干爽,织物从内向外应具备的材料结构和几何结构。通过试验发现采用Coolfibre涤纶长丝作为经纱形成的经支持面织物,有利于保持皮肤与织物内侧微气候区的干爽。设计并分析了5种织物的强伸性能、透气性、透湿性、芯吸高度、润湿保湿性和干燥性能,为干爽织物的开发提供参考。     

Liquid sorption behaviour of nonwovens

In this paper, spunbond, meltblown and spunbond–meltblown–spunbond (SMS) nonwovens made from polypropylene are analysed for liquid transport behaviour. The thickness, grams per square metre (GSM), porosity, fibre diameter, fibre orientation distribution and water contact angles of these nonwovens are measured. Vertical wicking with decane using tensiometry and water absorbency and spreading using gravimetric absorbency tester are reported. The equivalent pore radii of the nonwovens are deduced from the vertical sorption experiments using tensiometry. The sorption rate under vertical wicking and water spreading rates are faster along machine direction compared with that in cross‐direction due to preferential fibre orientation. The thickness of the nonwoven, fibre diameter and porosity play a vital role in transporting liquid. Thin nonwovens have poor vertical wicking and spreading rate. SMS web has poor absorbency behaviour mainly due to the inability of its top S‐layer to pull the liquid from the middle M‐layer. The measured water spreading lengths with respect to time are compared to the theoretical ones using a model developed by earlier researchers. This model reasonably predicts the spreading behaviour of nonwovens.     

Cooldry与大豆蛋白纤维弹力双面针织面料的开发

Cooldry与大豆蛋白纤维双面针织面料用Cooldry纤维和大豆蛋白纤维编织,坯布里面采用涤纶异形纤维,正面采用大豆蛋白纤维.在人体出汗时,利用芯吸作用将皮肤表面的汗水从Cooldry纤维的微细沟槽中吸收,再利用织物正面大豆蛋白纤维本身吸湿性强的特点,把水分从纤维扩散转移到织物正面的大豆蛋白纤维上,并通过大豆蛋白纤维快速扩散蒸发.这样可以保证织物在穿着过程中始终保持贴身面的干爽,不仅可以使两种原料的优良性能得以充分发挥,而且还能相互弥补自身的不足.