Aluminum-corrosion inhibitive heat transfer fluid

Compositions – Heat-exchange – low-freezing or pour point – or high boiling... – Organic components

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62DIG20, 106 1413, 106 1414, 106 1441, 106 1444, 208 47, 252 68, 252392, 252396, 252389R, 422 13, 422 17, 422 16, 252 783, C23F 1114, C23F 1112

Patent

active

043929729

ABSTRACT:
Composition providing aluminum corrosion resistance comprising aqueous and/or alcohol solution of a polymerizable-acid graft copolymer consisting of a poly(oxyalkylene) compound grafted with an unsaturated acid, said graft copolymer having a percent graft of between about 1 and about 60 percent. Typical acids would be those selected from the group consisting of acrylic, methacrylic, crotonic and maleic acids.

REFERENCES:
patent: 2692860 (1954-10-01), Barker
patent: 3418354 (1968-12-01), Wheeler
patent: 3609086 (1969-09-01), Modahl et al.
patent: 3672821 (1972-06-01), Schussler
patent: 4019992 (1977-04-01), Krueger
patent: 4086181 (1978-04-01), Suen et al.
patent: 4146488 (1979-03-01), Martin

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