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Comparative Study on the Degumming Methods of Hemp Fiber

대마섬유의 정련 방법에 관한 비교 연구

  • Lim, Hyeong-Gyu (Dept. Clothing and Textiles, Andong National University) ;
  • Kim, Hee-Sook (Dept. Clothing and Textiles, Andong National University)
  • Received : 2019.10.15
  • Accepted : 2020.07.17
  • Published : 2020.08.31

Abstract

Previous studies are used to examine cellulose content, degumming period, fiber quality, production yield, production cost, development limit of fiber according to physical, chemical, and microbial degumming methods. Three types of degumming methods are used to measure surface condition after degumming, necessity of additional degumming and degree of impurity removal. First, previous studies confirmed that the microbial degumming method is superior in terms of cellulose content, fiber quality, production yield, production cost, and fiber development possibility. Second, surface condition and the necessity of additional degumming were analyzed by SEM. The black skin binding material was removed in the case of the Sangnangyi and chemical degumming; however, it was insufficient and further degumming was required. Skin fiber binding material was removed in the case of microbial degumming and the surface was cleanest after degumming; in addition, most showed the form of yarn decomposition. The FT-IR spectrum determined the degree of removal of impurities and showed that it can utilize inherent physical properties as the best degumming method. The degree of removal of pectin and lignin by microbial degumming was cleanest with hemicellulose also reduced by microbial degumming.

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