초록 ▼

The corrosion of molybdenum metal surfaces which come in contact with water-coolant systems is inhibited by the addition of a small amount of a composition containing a combination of a triazole inhibitor, a biocide and a buffering agent. A corrosion inhibiting composition containing benzotriazole a

The corrosion of molybdenum metal surfaces which come in contact with water-coolant systems is inhibited by the addition of a small amount of a composition containing a combination of a triazole inhibitor, a biocide and a buffering agent. A corrosion inhibiting composition containing benzotriazole as the inhibitor and benzoic acid as both a biocide and buffer proved to be especially effective in preventing the corrosion of molybdenum, tungsten and other metals.

대표청구항 ▼

An aqueous cooling system contacting molybdenum or tungsten laser mirrors, wherein the improvement comprises an aqueous corrosion inhibiting composition having a pH of less than 4 and consisting essentially of: (a) a triazole selected from the group consisting of benzotriazole and tolyltriazole, sai

An aqueous cooling system contacting molybdenum or tungsten laser mirrors, wherein the improvement comprises an aqueous corrosion inhibiting composition having a pH of less than 4 and consisting essentially of: (a) a triazole selected from the group consisting of benzotriazole and tolyltriazole, said triazole having a concentration of 0.0002 to 0.1 moles per liter; (b) an organic biocide having a concentration of 0.005 to 0.1 moles per liter; and (c) a buffering agent selected from the group consisting of benzoic acid, tartaric acid, phosphorous acid, citric acid, phthalic acid, acetic acid and formic acid, at a concentration of 0.01 to 0.1 moles per liter.