Cleaning composition which is provided in the form of a microemulsion which is stable at room temperature, the said composition comprising (A) water; (B) at least one organic solvent which is liquid at room temperature; and (C) at least one surface-active agent, characterized in that (A) represents from 30 to 70 parts by weight; (B) represents from 20 to 60 parts by weight; and (C) represents from 5 to 30 parts by weight, (A)+(B)+(C) representing 100 parts by weight; and the organic solvent or solvents (B) being chosen from aliphatic alcohols; aliphatic esters; aliphatic diesters; aliphatic hydrocarbons; halogenated aliphatic hydrocarbons; aromatic hydrocarbons; aliphatic ketones; aliphatic ethers; alkylene glycol, dialkylene glycol and trialkylene glycol monoethers; (di)alkylene glycol diethers; and (di)alkylene glycol ether acetates; and the surface-active agent or agents (C) being chosen from those of the formula (I):
1
R
1
and R
2
=each independently linear or branched C
5
-C
20
alkyl; M=cation chosen from Na
+
, and K
+
and NR
4
+
, where R=each independently H or C
1
-C
4
alkyl.
以在室温下稳定的微乳液形式提供的清洁组合物,所述组合物包括(A)
水;(B)至少一种在室温下呈液态的有机溶剂;和(C)至少一种表面活性剂,其特征在于(A)按重量计占30至70份;(B)按重量计占20至60份;和(C)按重量计占5至30份,(A)+(B)+(C)按重量计占100份;有机溶剂 (B) 选自
脂肪醇;脂肪酯;脂肪二酯;脂肪烃;
卤代脂肪烃;
芳香烃;脂肪酮;脂肪醚;烷二醇、二烷二醇和三烷二醇单醚;(二)烷二醇
二醚;和(二)烷二醇醚
醋酸酯;表面活性剂(C)选自式(I):
1
R
1
和 R
2
及等价物;各自独立地为线性或支链 C
5
-C
20
烷基; M&等于;阳离子选自 Na
和 K
和 K
和 NR
和 NR
4
和 NR 4
其中 R& 等于;各自独立地为 H 或 C
1
-C
4
烷基。