| 膨化柞蚕丝内部形态和结构的研究 |
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| 引用本文： | 孙登峰,邵正中,陈新. 膨化柞蚕丝内部形态和结构的研究[J]. 高等学校化学学报, 2006, 27(4): 749-752 |
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| 作者姓名： | 孙登峰 邵正中 陈新 |
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| 作者单位： | 复旦大学高分子科学系, 教育部聚合物分子工程重点实验室, 上海 200433 |
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| 基金项目： | 国家高技术研究发展计划(863计划);上海市重点基础研究项目 |
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| 摘 要： | 利用扫描电镜(SEM)， 结合拉曼(Raman)光谱、 衰减全反射傅里叶变换红外(ATR-FTIR)光谱和X射线衍射(XRD)等方法研究了膨化型柞蚕丝的内部形态和结构， 表征了其热性能和力学性能. 结果表明， 虽然经过了相应的膨化处理， 柞蚕丝素蛋白分子链仍表现出具有高度取向的反平行β-折叠构象， 而其单丝是由许多带状微纤沿纤维轴平行组装而成, 且具有较高力学性能的纤维.
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| 关 键 词： | 蚕丝 形态 取向 构象 力学性能, |
| 文章编号： | 0251-0790（2006）04-0749-04 |
| 收稿时间： | 2005-05-19 |
| 修稿时间： | 2005-05-19 |
Interior Morphology and Structure of Expended Tussah Silk Fiber |
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| SUN Deng-Feng,SHAO Zheng-Zhong,CHEN Xin. Interior Morphology and Structure of Expended Tussah Silk Fiber[J]. Chemical Research In Chinese Universities, 2006, 27(4): 749-752 |
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| Authors: | SUN Deng-Feng SHAO Zheng-Zhong CHEN Xin |
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| Affiliation: | The Key Laboratory of Molecular Engineering of Polymers of Ministry of Education, Department of Macromolecular Science, Fudan University, Shanghai 200433, China |
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| Abstract: | The interior morphology and structure of the expended tussah silk fiber were studied carefully by scanning electron microscopy(SEM) and with the help of Raman spectroscopy, attenuated total reflection-Fourier transform infrared(ATR-FTIR) spectroscopy and X-ray diffraction(XRD). Meanwhile, the thermal and mechanical properties of such kind of silk were also investigated. The results indicate that the molecular chain of silk protein in the expanded tussah silk fiber was highly oriented, in which the conformation was dominated by β-sheet. The well-performed silk fiber was made of many band-shaped micro-fibers aligned along its long axis. |
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| Keywords: | Silk Morphology Orientation Conformation Mechanical property |
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