POWDER COMPOSITIONS FOR PRIMING FOR POLYVINYLIDENE FLUORIDE BASED COATING AND METHOD OF PREPARATION THEREOF

摘要

FIELD: chemical industry. SUBSTANCE: priming powder composition comprises, as thermoreactive resin, epoxy diane resin having epoxy equivalent weight of 400-1800 or polyhydroxyether, ratio of components being as follows, wt %: epoxy diane resin or polyhydroxyether, 50-90; polyacrylic resin, 5-15; pigment, 0-35, hardener, 0-10. EFFECT: improved solvent-free components for preparing first coatings and corrosion resistance of substrate. 6 cl, 13 ex