COMPOSITION FOR PRODUCTION OF PROTECTIVE COATING Russian patent published in 1998 - IPC

FIELD: protection of pipelines for water- and heat supply against underground corrosion; protection of various metal articles and constructions against atmospheric corrosion. SUBSTANCE: composition comprises, mas.%: bitumen, 17.8-50.0; polymer, 1.0-11.0; pigment used as a filler, 15-20.0; solvent, 46.0-60.0; non-ionic surfactant having formula given in specification, 0.5-3.0. Protective coating prepared of composition may be applied on dense rust layers. EFFECT: improved physical and mechanical indexes of protective coating; increased moisture- and heat resistance of protective coating. 6 tbl