以低分子量聚丙烯酸钠(PAAS)为基础, 将聚丙烯酸钠、钼酸钠、D-葡萄糖酸钠、苯并三氮唑、六次甲基四胺等物质按一定比例复配成无磷缓蚀阻垢剂配方, 采用碳酸钙沉积法评价其阻垢性能, 用旋转挂片法和电化学法评价其缓蚀性能。优选出的最佳缓蚀剂配方为: 聚丙烯酸钠15 mg/L、D-葡萄糖酸钠14 mg/L、苯并三氮唑13 mg/L、钼酸钠18 mg/L、六次甲基四胺14 mg/L, 其阻垢率为92.63%, 缓蚀率为92.78%。该配方具有无磷、无毒、高效、环保等特点, 具有重要的经济和利用价值。

Based on the low molecular weight sodium polyacrylate (PAAS), the corrosion and scale inhibitor with non-phosphorus formula was prepareded by PAAS, sodium molybdate, D-glucose acid sodium, 1, 2, 3-benzotriazole and hexamethylenetetramine in definite proportion. Its anti-scaling performance was evaluated by calcium carbonate deposition method, its corrosion inhibition was evaluated by rotation specimen method and electro chemical method. The best formula is sodium polyacrylate 15 mg/L, D-glucose acid sodium 14 mg/L, 1, 2, 3-benzotriazole 13 mg/L, sodium molybdate 18 mg/L, hexamethylenetetramine 14 mg/L. The scale inhibition efficiency and corrosion inhibition efficiency of the inhibitor were 92.63% and 92.78% respectively. This formula ethibits the characteristics of no phosphorus, non-toxicity, high efficiency and being environmental friendly. There are important economic and use values.