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《Polymer Bulletin》 2011-11
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Study on the Anhydride Content in Styrene-Maleic Anhydrid Copolymers

YANG Zhen-yu,TANG Bing-tao*,ZHANG Shu-fen,JIA Chao(State Key Laboratory of Fine Chemicals,Dalian University of Technology,Dalian 116012,China)  
Styrene-maleic anhydride copolymer is a synthetic copolymer with interesting features from both the chemical and the biological points of view.The proportion of maleic anhydride is an important factor that influences its function.The structure of styrene-maleic anhydride copolymer was determined to be monocarboxyl/monocarboxylic salt by potentiometric and conductometric titration.The titration end point was determined by derivative method.A simple and speed potentiometric titration method was established according to that.This method was proved precise by element analysis.
【Fund】: 国家自然科学基金青年基金(20804007);; 教育部高等学校博士学科点专项科研基金(200801411032) 教育部长江学者和创新团队发展计划(IRT0711);; 中央高校基本科研业务费专项资金(893381)
【CateGory Index】: TQ317.2
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