期刊
ARABIAN JOURNAL OF CHEMISTRY
卷 11, 期 4, 页码 546-553出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.arabjc.2015.04.008
关键词
Cotton linters; Flax fibers; Cellulose acetate; Preparation; Characterization
资金
- Deanship of Scientific Research, Taif University, Kingdom of Saudi Arabia
Agricultural residues management is considered to be a vital strategy in order to accomplish resource conservation and to maintain the quality of the environment. In recent years, biofibers have attracted increasing interest due to their wide applications in food packaging and in the biomedical sciences. These eco-friendly polymers reduce rapidly and replace the usage of the petroleum-based synthetic polymers due to their safety, low production costs, and biodegradability. This paper reports an efficient method for the production of the cellulose acetate biofiber from flax fibers and cotton linters. The used process satisfied a yield of 81% and 54% for flax fibers and cotton linters respectively (based on the weight of the cellulosic residue used). The structure of the produced bioplastic was confirmed by X-ray diffraction, FT-IR and gel permeation chromatography. Moreover, this new biopolymer is biodegradable and is not affected by acid or salt treatment but is alkali labile. A comparison test showed that the produced cellulose acetate was affected by acids to a lesser extent than polypropylene and polystyrene. Therefore, this new cellulose acetate bioplastics can be applied in both the food industry and medicine. (C) 2015 The Authors. Production and hosting by Elsevier B.V. on behalf of King Saud University.
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