GA固胶工艺对茧丝性能的影响

纺织学报 ›› 2014, Vol. 35 ›› Issue (3): 57-0.

GA固胶工艺对茧丝性能的影响

杨媛媛,徐英莲

浙江理工大学先进纺织材料与制备技术教育部重点实验室

收稿日期:2013-03-29 修回日期:2013-09-11 出版日期:2014-03-15 发布日期:2014-03-11
通讯作者: 徐英莲 E-mail:xyl6000@126.com
基金资助:
海宁市产业重点技术攻关项目

Influence on sericin fixation by GA on properties of cocoon silk

Received:2013-03-29 Revised:2013-09-11 Online:2014-03-15 Published:2014-03-11

摘要/Abstract

摘要： 为提高丝胶的稳定性，论文采用戊二醛（GA）固胶技术，探讨GA固胶工艺对茧丝性能的影响。论文从固胶茧丝回潮率、白度、茧丝蛋白稳定性、力学性能及茧丝导热系数、红外光谱的测试和分析等方面研究茧丝的性能。结果表明，GA固胶有效地减小了水溶性，提高了茧丝的蛋白稳定性；固胶茧丝的公定回潮率有所下降，下降幅度在1%～4%；断裂强力、断裂伸长率均有所增加，初始模量有所下降；导热系数变化不大，仍能保持良好的保暖性；红外光谱特征吸收峰的一些特征峰的峰形、峰位、峰高稍有改变，某些特征峰的波数发生了位移，说明固胶后茧丝分子结构发生了一定程度的变化。

关键词: GA固胶, 丝胶, 稳定性, 导热系数

Abstract: To improve the sericin protein stability，the paper discuss the the performance change after the fixation of sericin by GA.Based on the test of moisture regain, white degree, silk protein stability, mechanical properties and the coefficient of thermal conductivity, the infrared spectrum of the cocoon silk ,analysis and discuss the performance change after the fixation of sericin.The experimental results show that, sericin fixing treatment effectively reduced the water soluble and improve the silk protein stability; The moisture regain decline rang from 1% to 4%;The breaking strength and elongation at break are increased, while the initial modulus declined, that is to say the softness increased after the sericin fixing. The coefficient of thermal conductivity of the cocoon silk changes very little after the sericin fixing, only a difference of about 2%.there are some different peak shape, peak position and different peak height after sericin fixing of the characteristics of the peak in Infrared spectrum. The wave number of some characteristic peak move location, that is to say the molecular structure of cocoon silk has a certain degree of change.

Key words: sericin fixation by GA, sericin, stability, coefficient of thermal conductivity

中图分类号:

TS141.8

杨媛媛徐英莲. GA固胶工艺对茧丝性能的影响[J]. 纺织学报, 2014, 35(3): 57-0.

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