期刊
JOURNAL OF APPLIED POLYMER SCIENCE
卷 108, 期 6, 页码 4058-4064出版社
WILEY
DOI: 10.1002/app.28008
关键词
hemp fiber; high temperature; alkali cooking; structure; constituents
Degumming of hemp fiber by high temperature alkali cooking was investigated, and the effect of temperature and dosage of alkali on the constituents, structure, and thermal degradation of hemp fiber was also discussed in this work. The morphology, structure, and thermal degradation of hemp fiber after high temperature cooking were investigated through SEM, FTIR, WAXD, and TG analysis. The results indicated that the high temperature cooking process was effective for removing hemicelluloses and lignin and could also improve the thermal stability of cellulose. Crystallinity index of the treated hemp fiber was increased, which was related to the cooking temperature and NaOH dosage. (C) 2008 Wiley Periodicals, Inc.
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