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Synthesis of Acrylic Acid Copolymer with Maleic Anhydride Modification Surfactant

YAN Jie, TANG Kai, ZOU Shi-ming, ZHANG Chen-hong (Material and Chemical Engineering Department, Sichuan University of Science &Engineering; Zigong 643000, China)  
Acrylic acid copolymer reacted with maleic anhydride at first, then the polymer esterifies reacted with nonionic surfactant to produce a new kind of polymeric surfactant. It concluded the optimum conditions to produce the polymer as follows: the time was 3 hours, concentration of primer was 3% , commoner ratio (AA: Ma) was (1-2):l;esterifies temperature was 85℃ and time was 3 hours, the commoner ratio (Ma-. Ns) is 1 :(1- 2), the solvent was analytical reagent, and the catalyst was strong vitriol. Finally the water solubility and emulsifi cation of the product were determined.
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