Analysis of the Porosity Changing after Moisture Absorption in Functional Knitted Fabrics  

作　　者：杜燕峰 沈为 冯勋伟 

机构地区：[1]College of Textiles,Donghua University

出　　处：《Journal of Donghua University(English Edition)》2007年第6期740-743,共4页东华大学学报（英文版）

摘　　要：The paper analyses the effect of stitch geometrical modality changing after moisture absorption on the porosity of knitted fabrics,and educes the formulas between porosity and stitch parameters.Regarding as the cell stitch,the increasing of yarn diameter brings the porosity decreasing and the fabric shrinking in the wale direction.While the diameter keeps invariability,the yarn elongating brings the fabric humping up as well as the increasing porosity.The air-permeability experiments have been conducted to validate the theoretical analysis,and there is reasonable agreement between the theories and experiments.The paper analyses the effect of stitch geometrical modality changing after moisture absorption on the porosity of knitted fabrics, and educes the formulas between porosity and stitch parameters. Regarding as the cell stitch, the increasing of yarn diameter brings the porosity decreasing and the fabric shrinking in the wale direction. While the diameter keeps invariability, the yarn elongating brings the fabric humping up as well as the increasing porosity. The air-permeability experiments have been conducted to validate the theoretical analysis, and there is reasonable agreement between the theories and experiments.

关 键 词：knitted fabric porosity geometrical modality moisture absorption air permeability 

分 类 号：TS181[轻工技术与工程—纺织材料与纺织品设计]