| 摘要 |
Disclosed is a corrosion preventive coating composition comprising; (1) a corrosion preventive pigment which has a pH value of from 5 to 9, consisting essentially of (a) a specific phosphorus compound which generates phosphate ions in the presence of water, and (b) a specific vanadium compound which generates vanadate ions in the presence of water and oxygen, and (2) a film forming resin selected from the group consisting of maleic acid modified oils, epoxy resins, modified epoxy resins, alkyd resins, acryl resins, melamine resins, urea resins, blocked isocyanate resins, maleic acid modified polybutadiene resins, polyvinyl butylal, polyvinylalcohol, silicate esters, silicone resins, silicates and chlorinated rubber; said pigment being present in an amount of 0.1 to 50 parts by weight based on 100 parts by weight of a solid content of said coating composition.
|
