| 摘要 |
PCT No. PCT/EP94/00018 Sec. 371 Date Sep. 21, 1995 Sec. 102(e) Date Sep. 21, 1995 PCT Filed Jan. 4, 1994 PCT Pub. No. WO94/17143 PCT Pub. Date Aug. 4, 1994A cleaning composition to remove unwanted paint, graffiti or other coatings from a substrate comprises 40-90 wt. % of a five-membered ring lactam, such as N-methyl-2-pyrrolidone, and 10-60 wt. % of a glycerol triester of a C1-C4 saturated aliphatic monocarboxylic acid. Additionally, up to 25 wt. % of the composition of diethylphthalate, diisopropyl adipate and/or a C1-C4 alkyl lactate may be present. Also a method of cleaning substrates and woven or non-woven tissue impregnated with the cleaning composition has been claimed. |
