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INHIBITION PERFORMANCE OF SCHIFF BASE FOR 20# CARBON STEEL IN HYDROCHLORIC ACIDIC SOLUTION
Author(s): FAN Jian-feng, TIAN Li-fang
Pages: 198-
201
Year: 2007
Issue:
4
Journal: CORROSION AND PROTECTION
Keyword: 席夫碱; 缓蚀剂; 金属腐蚀; 协同作用;
Abstract: 分别采用失重法和电化学方法测定了席夫碱试剂4-羟基-3-甲氧基苯甲醛缩-4-烯丙基-3-硫代氨基脲(以下简称AAT),和苯甲醛缩-4-烯丙基-3-硫代氨基脲在盐酸介质中对20#碳钢的缓蚀作用.研究了浓度、温度等因素对这两种缓蚀剂缓蚀性能的影响.结果表明,两种席夫碱试剂在盐酸介质中对20#碳钢均有缓蚀作用,其中AAT的缓蚀性能较优,并发现AAT与乌洛托品、碘化钾、苯甲醛缩-4-烯丙基-3-硫代氨基脲、N-苯甲酰基硫脲等有很好的协同作用.
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