LACQUER COMPOSITION Russian patent published in 2008 - IPC C09D163/02 C08L63/02 C09D5/08 

FIELD: varnish-and-paint industry.

SUBSTANCE: invention relates to lacquer composition useful in surface, undersurface, and hydroengineering construction, e.g. to protect steel, concrete, and reinforced concrete surfaces. Composition consists of base including 40-70% epoxide dian resin modified with coal-tar resin, preferably with liptobiolytic resin preliminarily stabilized with hexamethylenetetramine, pigments, water-soluble solvent having solvation capacity not lesser than that of water in amount of 10-30% of the weight of base, and amine-type hardener. Pigments are selected from red lead, carbon white, and aluminum powder. If necessary, composition further contains talk and/or quartz sand as extender in amounts up to 30% of the weight of base.

EFFECT: increased resistance against acids, alkalis, and sea water.

3 tbl, 17 ex