Layered solid corrosion inhibitors for use in corrodible devices

Details Layered solid corrosion inhibitors for use in corrodible devices Layered solid corrosion inhibitors for use in corrodible devices

1983-01-03

1985-02-05

Hart, Douglas

Heat exchange

With protector or protective agent

222 54, F28F 1900

Patent

active

044973640

ABSTRACT:
A solid anhydrous composition comprising a surface layer formed of a caustic compound and a second layer formed of a corrosion inhibiting compound for use in a corrodible container in a device for the automatic addition of corrosion inhibitors to coolant systems. Where corrosive water is present in the coolant system in contact with the corrodible portion of the container, perforation of the corrodible portion allows penetration of coolant into the container, forming a highly corrosive alkaline solution in the area of perforation, quickly destroying the remaining corrodible portion and allowing rapid disolution and dispersion of the solid corrosion inhibitor.

REFERENCES:
patent: 4333516 (1982-06-01), Krueger et al.
patent: 4347895 (1982-09-01), Zambrow
patent: 4357236 (1982-11-01), Krueger

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