Coating processes – Immersion or partial immersion – Metal base
Patent
1998-11-02
2000-12-19
Beck, Shrive
Coating processes
Immersion or partial immersion
Metal base
4274198, 4274432, B05D 118
Patent
active
061625086
ABSTRACT:
Improvements in MolyPhos corrosion resistant coatings for zinc plated surfaces and zinc alloy surfaces are presented, which enhances corrosion protection in marine environments, and other corrosive atmospheres. In particular a cerium fluoride stabilized MolyPhos coating, and organic acid stabilized coatings are provided, which improve resistance to standard salt fog test exposures to at least 300 hrs, thus extending applicability of a conventional MolyPhos coating to applications to telecommunications, electronics, automotive and aviation equipment. MolyPhos coatings offer promise as an environmentally friendly alternative to conventional chromate corrosion coatings.
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Lawless Patrick T.
Trumble William P.
Barr Michael
Beck Shrive
de Wilton Angela C.
Nortel Networks Limited
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