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The alternate copolymer obtained from maleic anhydride and vinyl acetate, poly(maleic anhydride-co-vinyl acetate) (PMAVA), was studied by viscosimetric and potentiometric methods. In aqueous solutions this copolymer is hydrolyzed to two neighbouring carboxyl groups in a structural unit and behaves as a dibasic polyacid. The viscosimetric behaviour of PMAVA was studied in function of copolymer concentration,...
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