再生牛皮胶原蛋白复合纤维的性能

Study on properties of regenerated cattle skin collagen fiber

介绍了一种再生牛皮胶原蛋白复合纤维,通过相关实验和方法,初步分析了再生牛皮胶原蛋白复合纤维的微观结构、表面形态、物理机械性能及耐热性能。结果表明:再生牛皮胶原蛋白复合纤维线密度离散系数为22.64%,常用长度规格为38 mm和51 mm 2种;纤维横截面呈圆形,中间有微孔,纵向有沟槽和小颗粒状物质;纤维断裂强力为3.77 c N,断裂伸长率为16.89%,模量为15.84 c N/dtex;纤维回潮率为18.16%,结晶度为21.68%,取向度为71.2%,纤维与纤维间静态摩擦因数为0.433;在使用过程中以不超过110℃为宜。

A kind of regenerated protein fiber is introduced,and a series of experiments are carried out for the preliminary analysis of its microstructure,morphology,mechanical properties and heat resistance.The results indicate that the regenerated protein fiber has the fiber fineness dispersion of 22. 64% and common length specifications of 38 mm and 51 mm; the fiber has a round cross section with micropore in the middle and grooves and fine particles in the longitudinal direction; the fiber has average breaking strength of 3. 77 c N,breaking elongation of 16. 89% and modulus of 15. 84 c N / dtex; the fiber has moisture regain of 18. 16%,the degree of crystallization of 21. 68%,degree of orientation of 71. 2% and frictional coefficients of fiber-to-fiber of 0. 433; and the temperature should be lower than 110 ℃ in the application process.