초록 ▼

Water soluble paint remover compositions for the removal of uncured paint are disclosed which avoid the use of toxic organic solvent, in particular, methylene chloride. The inventive compositions comprise an organic carboxylic acid, N-methyl-2-pyrrolidone, and an alkylene glycol ether. Methods for u

Water soluble paint remover compositions for the removal of uncured paint are disclosed which avoid the use of toxic organic solvent, in particular, methylene chloride. The inventive compositions comprise an organic carboxylic acid, N-methyl-2-pyrrolidone, and an alkylene glycol ether. Methods for use of the compositions are also disclosed.

대표청구항 ▼

A method for removing uncured paint from a substrate comprising (1) applying to said substrate in glon liquid form a paint removing effective amount of a water-soluble composition consisting essentially of (a) an organic acid having the formula RCOOH wherein R is hydrogen, lower alkyl having from 1

A method for removing uncured paint from a substrate comprising (1) applying to said substrate in glon liquid form a paint removing effective amount of a water-soluble composition consisting essentially of (a) an organic acid having the formula RCOOH wherein R is hydrogen, lower alkyl having from 1 to 10 carbon atoms, halogen substituted lower alkyl having from 1 to 10 carbon atoms, hydroxy and cyclic alkyl having from 4 to 6 carbon atoms, and alkali metal salts of said acids; (b) an alkylene glycol ether; and (c) a five member ring lactone or lactam; and then (2) washing the substrate with water to remove said composition and aint from the substrate.