COMPOSITION FOR COATINGS Russian patent published in 1995 - IPC

FIELD: protection of metallic materials. SUBSTANCE: composition has epoxide diane resin with mol. mass 850-1100 95-105 g, epoxide diane resin with mol. mass 390-430 46-50 p., perchlorovinyl resin 42-46 g at their ratio 1.0: 0.48: 0.44, respectively, polyethylene polyamine 5-7 g, zinc phosphate 22-24 p. , pigment 36-40 p., a mixture of microtalc 36-40 p. and microbarite 18-20 p. at the ratio 2:1, organic solvent 270-318 p. Epoxide diane resins and perchlorovinyl resin were mixed in organic solvent. Pigments, zinc phosphate, microtalc and microbarite were added to the laquer. Mixture is dispersed, and hardener of polyethylene amine is added. Properties: coating thickness is 100 mcm, bending strength is 1 mm, film lustre is 20%, water resistance is 350 days, adhesion to steel is 300/500 n/m, adhesion to aluminium is 300/495 n/m, adhesion to aluminium after treatment with 3% NaCl for 200 days is 280/450 n/m, resistance to UV-irradiation is 250 s. EFFECT: enhanced quality of composition. 2 tbl