大豆蛋白纤维膜代尔混纺针织物力学性能分析

采用多功能织物强力机等实验仪器对5种不同混纺比例的大豆蛋白纤维／莫代尔混纺针织物的性能进行了测试分析．结果表明，随着大豆蛋白纤维含量的增加，大豆蛋白纤维混纺针织物的断裂强力有增加的趋势，断裂伸长率也随之增加；大豆蛋白纤维／莫代尔混纺针织物的项破强力随大豆蛋白纤维含量的增加而下降；大豆蛋白纤维混纺针织物的撕破强力逐渐下降，尤其是在大豆蛋白纤维质量分数为100％时，织物的撕破强力最小；大豆蛋白纤维混纺针织物的纵向、横向弯曲长度逐渐下降，而其柔软性提高；大豆蛋白纤维／莫代尔混纺针织物的起毛起球性逐渐增加，织物磨损时的质量损失率逐渐增大，说明大豆蛋白纤维混纺针织物的耐磨性逐渐下降，在大豆蛋白纤维含量为100％时，即纯大豆蛋白纤维织物的耐磨性最差．

Study on Mechanical Properties of the Knitted Fabric of Soybean Protein Fiber/Modal Blended Yarn

Five soybean protein fiber/modal blended fabrics are knitted and tested. Based on the analytical results, the relationship between the properties of the blended fabrics and the blended ratio of the soybean protein fibers are obtained. With the increase of the ratio of the soybean protein fibers, the tensile strength and the elongation of the blended fabrics increase and the tearing strength and bursting strength of the fabric decrease. With the increase of the ratio of soybean protein fibers, the softness increases and the bending length, abrasion resistance and the pilling resistance of the knitted fabrics decrease.