Abstract:

A terpolymer scale inhibitor called IA/IBS/AA is prepared from IA （itaconic acid），IBS （isobutylene sulfuric acid）and AA（acrylic acid）in water phase. The optimum conditions of the synthesis of IA / IBS /AA terpolymer are determined as follows：the monomer mass ratio m（IA）∶m（IBS）∶m（AA）= 10 ∶3 ∶5，the initiator 6% （wt. of total monomers），the chain- transfer agent 9%（wt.of total monomers）,the reaction temperature 95 ℃，the reaction time 1.5 h. The efficiency of inhibiting CaCO₃ scales of the terpolymer is 94.65%，and the terpolymer can be used as scale innibitor in cooling water for industrial circulating water. The synthesis of terpolymer is applied to factories and shows a good effects.

Key words: itaconic acid, scale inhibitor, copolymer

摘要：

以衣康酸I(A)、异丁烯磺酸I(BS)和丙烯酸(AA)为原料在水相中合成了IA/IBS/AA共聚物阻垢剂，确立了最佳合成工艺条件：单体质量配比mI(A)∶mI(BS)∶m(AA)=10∶3 5，引发剂质量占单体总质量的6%，链转移剂质量占单体总质量的9%,反应温度95℃，反应时间1.5 h。该共聚物阻CaCO₃垢率高达94.65%，同时进行了产业化试生产并获得了良好的效果。

关键词: 衣康酸, 阻垢剂, 共聚物

CLC Number: 

• TQ085+.412