不同成膜剂对牛角瓜纤维性能的影响
The Influence of Different Film-Forming Agent on Calotropis gigantean Fiber’s Performance

作者: 罗江玲 :东华大学化学化工与生物工程学院,上海; 赵 涛 :东华大学化学化工与生物工程学院,上海;东华大学生态纺织品重点实验室,上海; 孙 刚 :美国加利福尼亚大学戴维斯分校纺织系,美国 戴维斯;东华大学,上海; 葛元宇 , 李胜臻 :南通市纤维检验所,江苏 南通;

关键词: 牛角瓜纤维成膜剂拉伸性能Calotropis gigantean Fiber Film-Forming Agent Tensile Property

摘要:
牛角瓜纤维具有较高的纺织应用价值,但是纤维易脆断,为了改善纤维的断裂比强度和弹性模量,把淀粉、羧甲基淀粉钠和不同聚合度的PVA溶液处理至牛角瓜纤维纤维表面,并测试纤维的拉伸性能,结果发现成膜剂处理之后纤维的断裂比强度和弹性模量均有不同程度的提高,其中PVA处理之后纤维的断裂比强度、弹性模量和断裂伸长率效果最好,且纤维的断裂比强度和弹性模量随着PVA聚合度的增加而增大,纤维的断裂伸长率则相反,这些成膜处理后纤维表面均能形成一层薄膜,其中PVA所成的膜连续且光滑,效果最好。

Abstract: Calotropis gigantean fiber has a high application value in textile, but this kind of fiber is easily broken. To improve its strength per size and elastic modulus, Calotropis gigantean fiber is dealt with starch solution, sodium carboxymethyl starch solution and polyvingakohol solution of different polymerization degrees and then we test its tensile properties of the fiber. According to the testing results, fiber’s strength per size and elastic modulus both have an improvement in different degrees. Calotropis gigantean fiber has the best treatment effect by PVA. Its strength per size and elastic modulus are improving with polymerization degree of polyvingakohol growing while its breaking extension ratio is opposite. There is a membrane on the surface of fiber. The fiber dealt with PVA has the best effect with a continuous and smooth membrane on the surface of fiber.

文章引用: 罗江玲 , 赵 涛 , 孙 刚 , 葛元宇 , 李胜臻 (2016) 不同成膜剂对牛角瓜纤维性能的影响。 化学工程与技术, 6, 7-16. doi: 10.12677/HJCET.2016.62002

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