A synthetic process of polyepoxysuccinic acid(PESA),a biodegradable green scale inhibitor without phosphorus and nitrogen,is investigated by maleic anhydride as starting material.

• 以马来酸酐为主要原料,氢氧化钙为引发剂,合成了无磷、非氮和可生物降解的绿色阻垢剂聚环氧琥珀酸(PESA),得出了最佳合成工艺条件,并对合成产物进行了红外光谱表征。