abstract |
Short-chain polyethylene glycol ethers of the formula I, R¹ - O - (CH₂CH₂O) n - R² (I) in the R¹ is a straight-chain or branched alkyl radical or alkenyl radical having 6 to 18 carbon atoms, R² is an alkyl radical with 4 to 8 carbon atoms and n represents a number from 2 to 6, are used as foam-suppressing additives for low-foam cleaning agents. |