FIELD: making protective and anticorrosive coatings by impregnating substrate with polymer-bitumen solutions. SUBSTANCE: bitumen-containing composition comprises, wt parts: bitumen, 35-60; solvent, 40-70; and flotation oxal reagent, 0.2-4.0. Paper-based bitumen composition has rigidity of 20-25 gs and retains flexibility at temperatures from -20 to -35 C and fabric-based bitumen containing composition has rigidity of 5-10 gs and retains flexibility at temperatures from -19 to -33 C. EFFECT: improved properties of the bitumen-containing composition. 12 ex, 3 tbl
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Authors
Dates
2001-11-27—Published
2000-02-07—Filed