AA/MA/AMPS共聚物阻垢剂的合成及缓蚀性研究

Study on anticorrosive property and synthesis of AA/MA/AMPS copolymer scale inhibitor

以水为溶剂,次亚磷酸钠-过氧化物(过氧化氢、过硫酸钠、过硫酸铵)为引发剂,铁盐为催化剂,马来酸酐(MA)、丙烯酸(AA)和2-丙烯酰氨基-2-甲基丙磺酸(AMPS)为单体,通过水溶液聚合方法,合成AA-MA-AMPS三元共聚物阻垢分散剂,并对其缓蚀性进行研究。结果表明,在质量浓度为2.5～20 mg/L的AA/MA/AMPS共聚物阻垢剂、HEDP、HPMA时,对CaCO3沉积的最大抑制能力分別为96%,77.8%,88.4%,AA/MA/AMPS共聚物阻垢剂具有良好的阻垢性能。

Using water as solvent, sodium hypophosphite and peroxide as initiator, iron salts as catalyst, maleic anhydride （MA）, acrylic acid （AA） and 2-acryloyl amino-2-methyl propane sulfonic acid （AMPS） as monomers, through aqueous solution polymerization method, the synthesis of AA-MA-AMPS three eopolymer resistance scale dispersant, and its performance were studied. Results showed that with concentration of 2.5 - 20 mg/L AA/MA/AMPS copolymer scale inhibitor and HEDP, HPMA agent on the deposition of CaCO3 maximal inhibition ability is respectively 96% ,77.8% and 88.4%, AA/MA/ AMPS copolymer scale inhibitor has good scale inhibition performance.