Preparation and Study of Polyvinyl Alcohol Fiber

Author:

Chang Ai Rong1

Affiliation:

1. Weifang University of Science and Technology

Abstract

The preparation of polyvinyl alcohol fibers mainly consists of three steps: 1. The polymerization of vinyl acetate. Need the preparation of vinyl acetate and polymerization of vinyl acetate. The polymerization of vinyl acetate uses acetylene method and ethylene method.2. Preparation of PVA. Mainly to let the polyvinyl acetate taking alcoholysis reaction to the effect of methanol or sodium hydroxide. 3. Preparation of polyvinyl alcohol fiber. Complete dope preparation through washing and dehydration, dissolving, mixing, filtering and deaeration, and uses the dry, wet two methods to form the spinning. Finally, through the follow-up processing, to accomplish the preparation of polyvinyl alcohol fiber. Water soluble and high concentration polyvinyl alcohol fiber ‘s performances are fine and is application widely.

Publisher

Trans Tech Publications, Ltd.

Reference5 articles.

1. Changfa Xiao. Introduction to chemical fiber, Beijing, China Textile publishing house, (1995).

2. Jizhen Dong. Synthetic fiber production technology (part ii), Beijing, textile publishing house, (1993).

3. Qingrui Wang, Shuzhong Wang. Introduction to high-tech fibers. Shanghai, China textile university press, (1999).

4. Lian Cai. Superior elasticity polyvinyl alcohol fibers [J]. Journal of modern chemical industry, 1989, (5).

5. Qingxun Wei, Yaxian Guo. The synthesis of polyvinyl alcohol fibers and their adsorption performance research [J]. Journal of ion exchange and adsorption, 1989, (4).

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