이온교환에 의한 칼슘알지네이트 섬유의 제조

Title
이온교환에 의한 칼슘알지네이트 섬유의 제조
Other Titles
Preparation of Calcium Alginate Fiber by Ion Exchange
Author(s)
손태원이민경[이민경]한송정[한송정]
Keywords
alginate; ion exchange; wet spinning; calcium alginate fiber; CaCl_2 coagulation bath
Issue Date
201103
Publisher
한국염색가공학회
Citation
한국염색가공학회지, v.23, no.1, pp.51 - 59
Abstract
Calcium alginate fiber were prepared by wet spinning of various conditions, including different concentrations of sodium alginate solution and CaCl_2 concentrations for coagulating the fiber through an absorption of calcium ion. The absorption of calcium ion during the coagulating step lead to solidify the fibers by the replacement of sodium ion with calcium ion to produce some crosslinking. The concentration of calcium ion in the calcium alginate fiber seems to be well related to the mechanical and physical property of the fiber, such as fiber strength moisture regain, and degree of swelling. The tensile strength of calcium alginate fiber was increased along with the increasing amount of sodium alginate solution. According to EDS analysis, 7 wt% CaCl_2coagulation bath resulted in more calcium ion in the fiber compared to 3 wt% CaCl_2 coagulation bath. The decomposition temperature of calcium alginate fiber was 199℃, which 14℃ higher than that of sodium alginate.
URI
http://hdl.handle.net/YU.REPOSITORY/25440
ISSN
1229-0033
Appears in Collections:
공과대학 > 화학공학부 > Articles
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