申请人:Ciba-Geigy Corporation
公开号:US05055230A1
公开(公告)日:1991-10-08
A composition, in contact with a corrodable metal surface, comprising: a) an aqueous-based or oil-based system; and b) as an inhibitor for protecting the metal surface against corrosion, at least one compound having the formula I or II: ##STR1## in which R is C.sub.4 -C.sub.20 alkyl, C.sub.4 -C.sub.20 alkyl interrupted by one or more oxygen atoms, C.sub.4 -C.sub.20 alkenyl, C.sub.6 -C.sub.10 aryl, C.sub.7 -C.sub.15 alkaryl, C.sub.7 -C.sub.15 aralkyl or C.sub.5 -C.sub.12 cycloalkyl; R.sup.1, R.sup.2 and R.sup.3 are the same or different and each is methyl or, preferably, hydrogen; M is hydrogen, a metal ion, ammonium or substituted ammonium ion; a is 0 or 1; b is 0 or an integer from 1 to 6, preferably 0, 1, 2 or 3 especially 0 or 1; and c is an integer from 1 to 6; and/or at least one compound having the formula II: ##STR2## in which R, R.sup.3 and a are as defined above.
一种与可腐蚀金属表面接触的组合物,包括:a)基于水或油的系统;和b)作为防止金属表面腐蚀的抑制剂,至少含有一个具有I或II式的化合物:##STR1## 其中R是C.sub.4-C.sub.20烷基,通过一个或多个氧原子中断的C.sub.4-C.sub.20烷基,C.sub.4-C.sub.20烯基,C.sub.6-C.sub.10芳基,C.sub.7-C.sub.15烷芳基,C.sub.7-C.sub.15芳基烷基或C.sub.5-C.sub.12环烷基;R.sup.1,R.sup.2和R.sup.3相同或不同,每个是甲基或更好的氢;M是氢,金属离子,铵或取代铵离子;a是0或1;b是0或1到6的整数,更好地是0、1、2或3,特别是0或1;c是1到6的整数;和/或至少含有一个II式化合物:##STR2## 其中R,R.sup.3和a如上所定义。