POWDERED COATING COMPOSITION Russian patent published in 2013 - IPC C09D163/00 B82B3/00 C08K3/34 

FIELD: chemistry.

SUBSTANCE: invention relates to heat-curable powdered compositions based on an epoxide oligomer and can be used to make coatings with improved barrier properties. The powdered composition contains the following (pts.wt): epoxy resin - 96.7-90.3, dicyandiamide curing agent - 1.3-2.5, flow agent - 0.6-0.9, aluminosilicate nanoparticles - 0.5-5, anti-crater additive - 0.4-0.6 degassing agent - 0.5-0.7. The aluminosilicate nanoparticles used are: natural montmorillonite, a quaternary ammonium salt modified salt of the following structure [(HT)₂N(CH₃)₂]⁺Cl^-, where HT is dehydrogenated tall oil, or halloysite.

EFFECT: invention enables to prepare a heat-curable powdered composition for making coatings with improved barrier properties, having a high level of physical and mechanical properties.

3 cl, 2 tbl, 9 ex