Layered solid corrosion inhibitors for use in corrodible...

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

F - Mech Eng,Light,Heat,Weapons

01

P

123/168

F01P 3/04 (2006.01) C09K 5/20 (2006.01) C23F 11/00 (2006.01) F28F 19/00 (2006.01)

Patent

CA 1202849

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.

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