PROTECTANT, PROTECTIVE STRUCTURE AND PROTECTING METHOD FOR METAL-MADE ELECTROCONDUCTIVE PART

PROBLEM TO BE SOLVED: To provide a protectant, protective structure and protecting method for metal-made electroconductive parts which can protect the metal-made elctroconductive part from the moisture and the corrosive substance and can inhibit the corrosion at the metal-made elctroconductvie part...

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1. Verfasser: EGOTA KAZUMI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a protectant, protective structure and protecting method for metal-made electroconductive parts which can protect the metal-made elctroconductive part from the moisture and the corrosive substance and can inhibit the corrosion at the metal-made elctroconductvie part and the electrolytic corrosion owing to the migration. SOLUTION: The protectant for use in metal-made electroconductive parts contains a urethane resin and at least one thiadiazole derivative selected from formulae (1) through (3), containing the thiadiazole derivative of 1 ppm-30% on the basis of a weight unit relative to the above urethane-based resin; and the protective structure is formed by coating and then curing the above protectant on a metal-made electroconductive part to be exposed to corrosive substances and humidity. COPYRIGHT: (C)2009,JPO&INPIT