Coating processes – With pretreatment of the base – Metal base
Patent
1988-05-27
1992-10-06
Lusignan, Michael
Coating processes
With pretreatment of the base
Metal base
427387, 4273884, B05D 302
Patent
active
051530325
ABSTRACT:
Self-healing coatings are formed by first phosphating or nitriding ferrous parts, then coating with an emulsion of e.g. polysiloxane, oil, sorbitan derivative and sodium sulfonate, butyl cellosolve, oleic acid. Preferred phosphating is to a thickness of 2,000-3,000 mg Zn phosphate/square foot. This coating passes 240-plus hours in 5% salt spray (ASTM B-117) and resists wash off with car wash soap.
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Felton George F.
Landers Perry E.
Williams Richard L.
Ashland Oil Inc.
Lusignan Michael
Welsh Stanley M.
Willson, Jr. Richard C.
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