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    • 7. 发明授权
    • Water miscible corrosion inhibitors
    • 水混溶性腐蚀抑制剂
    • US4297236A
    • 1981-10-27
    • US942337
    • 1978-09-14
    • Helmut DieryRainer HelwerthHorst FrohlichHorst Lorke
    • Helmut DieryRainer HelwerthHorst FrohlichHorst Lorke
    • C10M159/12C10M163/00C10M173/02C10N30/12C10N40/08C10N40/22C10N40/24C23F11/10C23F11/14C23F11/16C23F11/18
    • C23F11/10C10M2201/02C10M2219/044C10M2227/061C10N2240/08C10N2240/40C10N2240/401
    • Water-miscible corrosion inhibitors, substantially consisting of(A) reaction products of boric acid and diethanolamine, and(B) arylsulfonamidocarboxylic acids of the formula I ##STR1## in which R.sub.1 and R.sub.2 each represent hydrogen, fluorine, chlorine, bromine, an alkyl or alkoxy radical having from 1 to 4 carbon atoms, with the proviso that the sum of the carbon atoms of R.sub.1 and R.sub.2 does not exceed 7;Ar is a benzene, naphthalene or anthracene radical;R.sub.3 is hydrogen, an aryl radical having up to 4 carbon atoms, a .beta.-cyanoethyl or hydroxyalkyl radical having from 2 to 4 carbon atoms;R.sub.4 is an alkylene radical having more than 3 carbon atoms, optionally substituted by one or more methyl or ethyl radicals; andn is 1 or 2; oralkyl- and/or cycloalkylsulfonamidocarboxylic acids obtained by sulfochlorination of a saturated aliphatic and/or cycloaliphatic hydrocarbon having from 12 to 22 carbon atoms and a boiling temperature range of from about 200.degree. to 350.degree. C., subsequent reaction with ammonia and final condensation with chloroacetic acid.
    • 水混溶性腐蚀抑制剂,基本上由(A)硼酸和二乙醇胺的反应产物和(B)式I的芳基磺酰胺羧酸组成,其中R 1和R 2各自表示氢,氟,氯,溴,烷基 或具有1至4个碳原子的烷氧基,条件是R 1和R 2的碳原子之和不超过7; Ar是苯,萘或蒽基; R3是氢,具有至多4个碳原子的芳基,具有2至4个碳原子的β-氰基乙基或羟烷基; R4是具有多于3个碳原子的亚烷基,任选被一个或多个甲基或乙基取代; n为1或2; 或通过对具有12至22个碳原子的沸点温度范围为约200至350℃的饱和脂族和/或脂环族烃进行磺基氯化获得的烷基和/或环烷基磺酰胺羧酸,随后与氨反应和最终冷凝 与氯乙酸。