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Verfahren zur korrosionsfesten Beschichtung von Metallsubstraten mittels Plasmapolymerisation

Corrosion resistant coating production method on metal substrate e.g. for heat exchangers.
: Baalmann, A.; Stuke, H.; Vissing, K.; Hufenbach, H.; Semrau, W.M.

Frontpage ()

DE 1997-19748240 A: 19971031
DE 1997-19748240 A: 19971031
EP 1998-961076 AW: 19981029
WO 1998-DE3266 A: 19981029
EP 1998-961076 A: 19981029
DE 19748240 C2: 20010523
EP 1027169 B1: 20020109
Patent, Electronic Publication
Fraunhofer IFAM ()

NOVELTY - The production method involves mechanically, chemically or electrochemically polishing the substrate, and subjecting it to a plasma at less than 200 deg. C and 10-5 bar, activating the surface in a reducing plasma, and depositing the plasma polymers from a plasma containing a hydrocarbon or organosilicon compound optionally containing oxygen, nitrogen or sulfur. USE - On an aluminum heat exchanger, especially in the form of finned tubes. ADVANTAGE - Provides improved corrosion resistance.