Abstract: A green scale inhibitor polyepoxysuccinic acid(PESA) was synthesized from maleic anhydride in one step, and was characterized with IR and ¹³C NMR.The effects of PESA on CaCO₃ scale diameter and scale shape were investigated by size distribution measurement and SEM respectively.The dynamics of scaling process was studied, and the mechanism of scale inhibition was discussed.The results showed that PESA had high performance of scale inhibition on both dispersion and lattice distortion of CaCO₃.

摘要： 以顺丁烯二酸酐为原料一步法合成了聚环氧琥珀酸（PESA），并对产物进行了IR和¹³C NMR表征.分别采用粒径分布仪和电子显微镜考察了PESA对CaCO₃垢粒径及其垢形的影响，研究了CaCO₃成垢过程的动力学，探讨了PESA的阻垢机理.结果表明：PESA具有优良的阻垢性能，对CaCO₃垢既具有较强的分散作用又具有明显的晶格畸变能力.