电发热针织物制备及性能研究

Preparation and Properties Study of Electro-thermal Knitted Fabrics

采用并捻机将凉感纱、竹炭纱按不同捻度分别与锗纱进行合股,并通过花式捻线机将合股纱线分别与不锈钢丝进行包缠,获得10种复合导电纱线,探讨纱线并捻捻度参数对复合导电纱性能的影响,实现复合导电纱线的结构优化。选用两种最优参数的复合导电纱,以碳纤维为衬纬纱,织造两块满针1+1罗纹组织电发热织物,并对织物进行热性能测试分析。结果表明:试样5和试样9复合导电纱的毛羽数量最少,力学性能较好;复合导电纱的包缠结构对纱线电阻和抗菌性有一定影响;试样5和试样9均有较强的抗菌性,织物表面均能够升温;通过试验比较,试样5的综合性能最好,实用价值最高。

In order to obtain the electro-thermal intelligent, knitted structure, the composite conductive yarn is successfully spun by twisting the composite yarn with stainless steel wire on the fancy twisting machine, and the influence of twist variation parameters on the performance of the composite conductive yarn is discussed, so as to realize the structural design optimization of the composite conductive yarn. Finally, the composite conductive yarn with two optimal parameters is selected, and the knitting technology is adopted to prepare the weft knitted structure with carbon yarn as lining. The thermal properties of the fabric are tested and analyzed. In addition,polydimethylsiloxane PDMS is made into a thin film attached to the upper and lower surface layer of the knitted fabric through hot pressing and laminating technology. The results show that sample 5 and 9 have the least number of hairiness and better mechanical properties. The wrapping structure of composite conductive yarn has a certain effect on the resistance and antibacterial property of the yarn. Both sample 5 and 9 have strong antibacterial properties and the surface of the fabric can be heated up. The comprehensive performance of sample 5 is the best,whose practical value is the highest.