含饱和CO2的3.5%NaCl溶液中乙二醇对季铵盐缓蚀剂缓蚀性能的影响研究
Safety Health & Environment(2018)
Abstract
采用电化学方法研究了含饱和CO2的3.5% NaC1溶液中40%乙二醇对水溶性季铵盐缓蚀剂性能的影响.研究结果表明:30 mg/L季铵盐缓蚀剂和40%乙二醇均可抑制X65钢的腐蚀,水溶性季铵盐缓蚀剂与40%的乙二醇溶液完全互溶,向合40%乙二醇的3.5% NaC1溶液中添加30mg/L季铵盐缓蚀剂,可进一步降低阴极和阳极反应电流,提高腐蚀电位;乙二醇并未削弱季铵盐缓蚀剂的性能,两者之间存在协同作用.
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