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首页> 外文期刊>Journal of Applied Polymer Science >Microstructural transformation of wool during stretching with tensile curves
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Microstructural transformation of wool during stretching with tensile curves

机译：拉伸过程中羊毛在拉伸过程中的微观结构转变

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The microstructural transformation of wool fiber during the stretching process was investigated by the tensile tests and TEM micrograph observation. The results showed that water breaks some of the hydrogen bonds in the fiber, whereas the sodium bisulfite solution breaks some of the disulphide crosslinks between the peptide molecules, then the wool fiber is easy to be stretched. Two types of transformations were found during the stretching process, that is, the slippage of molecule chains or micro-structural elements and the a p transformation. The a-P transformation is dominant, in particular, during the low stretching rate process. In addition, the stretching slenderization tends to increase the tenacity of wool fiber and decrease its extension at break. (c) 2007 Wiley Periodicals, Inc.
机译：通过拉伸试验和TEM显微照片观察，研究了羊毛纤维在拉伸过程中的微观结构转变。结果表明，水破坏了纤维中的一些氢键，而亚硫酸氢钠溶液破坏了肽分子之间的一些二硫键，从而使羊毛纤维易于拉伸。在拉伸过程中发现了两种类型的转化，即分子链或微结构元素的滑移和a p转化。 a-P转换尤其在低拉伸速率过程中占主导地位。另外，拉伸细化趋向于增加羊毛纤维的韧性并降低其断裂伸长率。 （c）2007年Wiley Periodicals，Inc.

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