季铵盐聚砜/聚乙烯醇/单宁酸复合水凝胶的制备及性能

Journal of Jilin University Science Edition ›› 2021, Vol. 59 ›› Issue (6): 1593-1601.

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Preparation and Properties of Quaternary Ammonium Polysulfone/Polyvinyl Alcohl/Tannin Composite Hydrogels

YANG Mingcheng¹, CHEN Yang¹, ZHANG Benshang¹, ZHANG Qiuxia², LIU Shubo¹, GUO Wenhui¹

1. Isotope Institute Co. Ltd.， Henan Academy of Sciences, Henan Provincial Research Center of Engineering & Technology for Radation Tectnology and New Materials， Zhengzhou 450015， China； 2. Henan Provincial Research Center of Engineering & Technology for Eye Care Products, Zhengzhou 450003， China

Received:2021-01-18 Online:2021-11-26 Published:2021-11-26

Abstract

Abstract: Chloromethylated polysulfone with high degree of substitution was prepared from polysulfone as raw materials by chloromethylation reaction, after reacting with trimethylamine solution, the quaternary ammonium polysulfone with bacteriostatic properties and water-soluble was obtained by dialysis and freeze-drying. The quaternary ammonium polysulfone reacted with polyvinyl alcohol aqueous solution, the quaternary ammonium polysulfone/polyvinyl alcohol hydrogels could be obtained by cross-linking γ-ray radiation without addition of cross-linking agent. The problem of residual organic solvents and other auxiliary reagents in the polysulfone hydrogels was solved, at the same time, the hydrogels had bacteriostatic properties and could be used for preparing medical wound dressings.

Key words: , polyvinyl alcohol, , quaternary ammonium polysulfone, , tannin acid, , composite hydrogel

CLC Number:

O632

YANG Mingcheng, CHEN Yang, ZHANG Benshang, ZHANG Qiuxia, LIU Shubo, GUO Wenhui. Preparation and Properties of Quaternary Ammonium Polysulfone/Polyvinyl Alcohl/Tannin Composite Hydrogels[J].Journal of Jilin University Science Edition, 2021, 59(6): 1593-1601.

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Preparation and Properties of Quaternary Ammonium Polysulfone/Polyvinyl Alcohl/Tannin Composite Hydrogels

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