凹凸点阵双面织物的结构与湿热管理评价  

Structure and moisture/thermal management evaluation of concave-convex lattice knitted fabrics

作　　者：葛美彤 董智佳 丛洪莲 丁玉琴 GE Meitong;DONG Zhijia;CONG Honglian;DING Yuqin(Engineering Research Center for Knitting Technology,Ministry of Education,Jiangnan University,Wuxi,Jiangsu 214122,China)

机构地区：[1]江南大学针织技术教育部工程研究中心,江苏无锡214122

出　　处：《纺织学报》2024年第7期47-54,共8页Journal of Textile Research

基　　金：国家自然科学基金项目(61902150);江苏省研究生科研与实践创新计划项目(KYCX24-2557)。

摘　　要：为探究凹凸点阵双面针织物连接点数量、结构与分布对织物单向导湿能力的影响,以差动毛细效应为原理,选用了55.5 dtex(24 f)普通涤纶与93.3 dtex(384 f)超细涤纶为原料,设计了4种不同工艺的凹凸点阵双面织物,其中在工艺1和工艺2的成圈连接点处将55.5 dtex(24 f)涤纶替换为33.3 dtex(12 f)涤纶,共得到6款具有湿热管理功能的织物。对织物透湿性、透气率、液态水分管理能力、滴水扩散面积、蒸发速率、保温率等进行测试与分析。结果表明:当双面织物组织结构中的连接点较少且分布均匀时,织物滴水扩散面积变化较大,其单向导湿性能较好;当以连续集圈作为连接点时,圈柱纱段长、纱线堆积会导致织物透湿性、透气性下降;33.3 dtex(12 f)涤纶使织物网眼明显,有利于提高织物的透湿性、透气性及速干性;较薄的织物保温率较低,有利于散热。最后利用灰色关联度分析法对织物进行综合评价,在单位循环下,当织物轻薄且组织以集圈为主要连接点较少时,具有较好的湿热管理能力。Objective At present,light exercise is important for people′s health.However,the conventional cooling and heating system has consumed significant amounts of energy to ensure optimal human body temperature during the light exercise.Sweat evaporation is an effective method for heat dissipation to maintain human thermal balance.The conventional textiles such as cotton fabric inevitably retain excessive sweat at the interface due to the intrinsic hydrophilicity,leading to wet and cool feeling.Therefore,fabrics with moisture and heat management capability is expected to transport liquid directionally,maintaining the skin dryness and finally achieving energy conservation and wearing comfort.Method When a density difference exists on both sides of a single fabric,additional pressure difference will be generated to make water transfer spontaneously,according to the principle of differential capillary effect.Based on this principle,two polyester yarns(55.5 dtex(24 f)and 93.3 dtex(384 f))were selected.Four concave-convex lattice fabrics were created with variations in structure,number,and distribution of connecting points,denoted as process A,B,C and D.In process A and B,the 55.5 dtex(24 f)polyester yarn was replaced by the 33.3 dtex(12 f)polyester yarn at the connecting coil to form obvious mesh,named as A2 and B4,respectively.In order to explore the influence of different coil structures on the moisture and heat management performance of fabric,6 different fabrics A1,A2,B3,B4,C5 and D6 with the capability of moisture and heat management were prepared.Results Fabrics in process A are configured with looping connecting coil and single tuck connecting coil,while process B incorporates three types of connecting coils:looping,single tuck,and double tuck coils.In contrast,process C only utilizes single tuck as the connecting coil,and process D incorporates looping connecting coil.Following the addition of 33.3 dtex(12 f)polyester yarn,fabrics A2 and B4 exhibited a noticeable mesh formation compared to A1 and B3.In order to a

关 键 词：单向导湿 双面针织物 热湿舒适 超细纤维涤纶 灰色关联度分析 

分 类 号：TS186.1[轻工技术与工程—纺织材料与纺织品设计]