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首页> 外文期刊>Journal of entomology >Study on Weight Loss and Moisture Regain of Silk Cocoon Shells and Degummed Fibers from African Wild Silkmoths
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Study on Weight Loss and Moisture Regain of Silk Cocoon Shells and Degummed Fibers from African Wild Silkmoths

机译：非洲野生桑蚕丝茧壳和脱胶纤维的失重和水分恢复研究

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摘要

A study was conducted to determine weight loss and moisture regain properties of silk cocoon shells, shell layers and degummed fibers of the four African wild silkmoths Anaphepanda, Argema mimosae, Epiphora bauhiniae and Gonometa postica and compare with the industry standard mulberry silkmoth, Bombyx mori. No. significant difference was observed between the moisture regain of the wild silk fibers after degumming. However, there were significant differences in weight loss and moisture regain betweencocoon shells as well as shell layers. E. bauhiniae had the lowest weight loss and moisture regain of 23.19 and 5.64%, respectively while G. postica had the highest weight loss and moisture regain, 56.84 and 9.05%, respectively. The SEM micrographs alsoshowed the presence of remnant sericin gum on the fibers surface. In both A. panda and E. bauhiniae, the outer shell layers had the lowest moisture regain and highest weight loss while the inner layer of E. bauhiniae and middle layer of A. panda lost theleast weight. The physical structure and chemical composition of the cocoon shells and fibers contribute towards the variation in the moisture regain and weight loss and these features may have commercial implications due to their direct effect on the resulting fabric.
机译：进行了一项研究，以确定四种非洲野生蚕蛾Anaphepanda，Argema mimosae，Epiphora bauhiniae和Gonometa postica的蚕茧外壳，壳层和脱胶纤维的重量减轻和水分恢复特性，并将其与行业标准桑蚕蛾Bombyx mori进行了比较。在脱胶后，野生丝纤维的回潮率没有观察到显着差异。但是，在茧壳和壳层之间，减肥和回潮率存在显着差异。紫荆花的重量损失和回潮率最低，分别为23.19和5.64％，而紫花金枪鱼的重量损失和回潮率最高，分别为56.84和9.05％。 SEM显微照片还显示纤维表面上存在残留的丝胶蛋白胶。在熊猫和紫荆花中，外壳层的回潮率最低，重量损失最大，而紫荆花的内层和熊猫中间层的失重最小。茧壳和纤维的物理结构和化学组成会导致回潮率和重量损失的变化，这些特征可能会直接影响最终的织物，因此可能具有商业意义。

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