咪唑/甲基丁炔醇复配缓蚀剂对油气输送管道的缓蚀性能研究
Science & Technology in Chemical Industry(2015)
Abstract
以咪唑为主剂,甲基丁炔醇为辅剂,制备了不同种类的复配缓蚀剂,利用失重法和SEM手段分析了复配缓蚀剂对N80钢和A3钢的缓蚀效果.结果表明,制备的复配缓蚀剂对N80钢的缓蚀率可达到74%以上,对A3钢的缓蚀率都可达到87%以上.以质量分数0.8%咪唑和甲基丁炔醇的体积比为100∶10时复配的缓蚀剂缓蚀效果最明显,其对N80钢的缓蚀率为88%,而对A3钢的缓蚀率都可达到94%.SEM结果表明,添加了复配缓蚀剂后,N80钢和A3钢表面腐蚀得到了较好的抑制,裂纹明显降低.
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