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Study on Identification of Cellulosic Fiber by Dissolution

Author: HanQiLiang
Tutor: WuZheng
School: Beijing Institute of Clothing Technology
Course: Textile Chemistry and Dyeing and Finishing Engineering
Keywords: Cellulose fibers Dissolution method Distinguish Solubility
CLC: TS102.51
Type: Master's thesis
Year: 2010
Downloads: 179
Quote: 0
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Abstract


Cellulose is a renewable natural resource , is very rich in resources , sustainable and environmentally friendly , and can participate in the ecological cycle of nature . As cellulose fibers for textile raw materials with excellent moisture absorption , wearing comfort is one of the best textile and garment industry , the most potential for development of textile raw materials . Varieties of cellulose fibers , market demand , and the price difference , the detection of cellulose fiber , especially for the detection of new regenerated cellulose fiber , there is no uniform standard . The absence of a viable method of identifying market supervision is not possible , so that the high - grade cellulose fibers can not be clearly identified in the marketing of its variety and quality , therefore , the need to provide an effective and feasible method of identifying quality testing . Fiber more detection method , the identification method of the cellulose fibers have a microscope observation method , pharmaceuticals coloring method , a combustion method and a dissolution method . Microscope observation method and pharmaceutical coloring method can not be used alone differential fiber , only as a secondary means ; due to the cellulose fibers are constituted by cellulose macromolecules , whose chemical composition is the same , the combustion method is more difficult to identify ; different cellulose fibers in the different the large difference in the solubility in a solvent , also have a larger difference in the same solvent solubility , dissolution method can therefore be used to identify different kinds of cellulose fibers . By studying the dissolution properties of the cellulosic fibers in different solvents , to provide basic data for the dissolution method to identify cellulose fibers in combination with other identification methods, draw a specific method of the identity of the seven kinds of cellulose fibers .

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CLC: > Industrial Technology > Light industry,handicrafts > Textile industry,dyeing and finishing industry > General issues > Textile fibers ( textile material ) > Chemical fiber > Recycled fiber
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