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Preparation of low molecular weight styrene-maleic anhydride copolymers and sulfonated copolymers thereof
Preparation of low molecular weight styrene-maleic anhydride copolymers and sulfonated copolymers thereof
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机译:低分子量苯乙烯-马来酸酐共聚物及其磺化共聚物的制备
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摘要
Styrene and maleic anhydride monomers are copolymerized in 1,2-dichloroethane employing 3-mercaptopropionic acid or methyl-3-mercaptopropionate chain transfer agents producing an odorless copolymer in the molecular weight range of about 500 to 10,000 which remains soluble in the solvent. The resultant copolymer may be conveniently sulfonated in the 1,2-dichloroethane solvent used for the polymerization thereby producing an odorless sulfonated copolymer.
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