RAW MATERIAL MIXTURE FOR BINDER PRODUCTION Russian patent published in 1996 - IPC

FIELD: protecting coatings on metal, concrete, cement-wood chips plates, asbestos-cement plates and also based on phosphate binders glue compositions and compounds used in building. SUBSTANCE: raw material mixture for binder production has following components: phosphoric acid with phosphates share in terms of $$$ 45 - 57 mass % and fluorine compounds in terms of fluorine 0.4 - 1.5 mass %: - 45 - 75 %, zinc or its compounds in terms of zinc oxide - 4 - 13 %, oxygen-bearing calcium compounds in terms of calcium oxide 0.5 - 3.5 %, boric acid or borates in terms of boric anhydride 0.1 - 5 %, bearing nitrate-ion compound in terms of nitrate-ion 1.0 - 14.0 % water - balance. As a version raw material mixture additionally has 0.2 - 1.5 % of nonionic surface-active substance. EFFECT: produced coatings have increased protective properties.