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Citation: HU Xiao-Bin, LIU Yi-Feng, ZHU Hong-Jun. Preparation of Epoxysuccinic Acid-2,3-Epoxypropylsulfonic Acid Copolymer and Its Scale-Inhibiting Property[J]. Chinese Journal of Applied Chemistry, ;2005, 22(1): 111-113. shu

Preparation of Epoxysuccinic Acid-2,3-Epoxypropylsulfonic Acid Copolymer and Its Scale-Inhibiting Property

1.
a Department of Chemistry, Huzhou Teachers College, Huzhou 313000;
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b School of Science, Nanjing University of Technology, Nanjing

Corresponding author: HU Xiao-Bin,
Received Date: 23 March 2004
Available Online: 20 July 2004

A new scale inhibitor, epoxysuccinic acid-2,3-epoxypropylsulfonic acid copolymer(PECS) was synthesized from disodium epoxysuccinate and sodium 2,3-epoxypropylsulfonate. The effects of the molar ratio of the monomers, the polymerization temperature, time, and the amount of initiator were studied. The optimal synthesis conditions were as follows:the polymerization temperature was at 70℃, the molar ratio of n(epoxysuccinic acid):n(2,3-epoxypropylsulfonic acid):n(initiator)=1:1:0.1, and the reaction time was 12 h. The results show that PECS is similar to polyepoxysuccinic acid(PESA) in inhibiting calcium carbonate scale and calcium sulfate scale, and superior to PESA in inhibiting calcium phosphate scale and stabilizing zinc salt.
- epoxybutanedioic acid epoxypropylsulfonic acid-copolymer,
- polyepoxysuccinic acid,
- scale inhibitor
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