Hydrophilicizing sealer treatment for metal objects

Details Hydrophilicizing sealer treatment for metal objects Hydrophilicizing sealer treatment for metal objects

1993-07-12

1994-10-18

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524442, 524556, 524832, 428413, 428418, 428615, 428617, 428635, 4273881, C08J 303, C08K 506

Patent

active

053569776

ABSTRACT:
Substantially improved resistance to sea water corrosion along with adequate hydrophilicity and retention or even improvement of hydrophilicity after exposure to high temperature can be provided on a metal substrate, particularly an aluminum alloy of the type used for heat exchanger fins, by an aqueous liquid hydrophilicizing treatment composition containing poly{alkylene imine} and alkali metal silicae, and, optionally, polyether polyols. The hydrophilicizing treatment is preferably applied over a conventional conversion coating, particularly a chromium phosphate or chromium oxide conversion coating.

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patent: 4957159 (1990-09-01), Mizoguchi et al.
patent: 4973359 (1990-11-01), Yamasoe
patent: 5178690 (1993-01-01), Maiquez

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