AGENT FOR REMOVAL OF PAINT AND VARNISH COATING Russian patent published in 1994 - IPC

FIELD: paint and varnish industry. SUBSTANCE: agent has, %: formalglycol 67.5-86.5; xylene 0.5-20; paraffin 0.5-1.0; polyvinyl chloride with molecular mass 5·10⁴ -6.5·10⁴ 4-7; acetic acid 1.0-1.5; dibuthylphthalate 4-5; emulsifier on the basis of polyethylene glycol ester of alkylphenols 0.5-1.0. For removal of coating from metallic surfaces agent can contain additionally transformer oil 9-10%. Polyvinyl chloride is dissolved in formalglycol at 20-40 C, and paraffin, dibutylphthalate, emulsifier, xylene, acetic acid and, if necessary, transformer oil are added. Properties: consumption of agent is 115 - 140 g/m², time for coating removal is 1.5-4.0 min. EFFECT: enhanced quality of agent. 2 cl, 2 tbl