| 摘要 |
The invention concerns the use, as anti-foaming agents in the paper industry, of alkoxylated amines or alkoxylated polyamines which each contain random ethylene oxide and propylene oxide blocks or ethylene oxide and propylene oxide units, the molar ratio of the ethylene oxide to the propylene oxide units being 1:4 to 1:20. The invention also concerns anti-foaming agents containing such alkoxylated amines and/or alkoxylated polyamines, at least one emulsifier with an HLB value of at least 8 and, optionally, up to 90 % by wt. of water.
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| 申请人 |
BASF AG, 67063 LUDWIGSHAFEN, DE |
发明人 |
OPPENLAENDER, KNUT, DR., 67061 LUDWIGSHAFEN, DE;DRALLE-VOSS, GABRIELE, DR., 64297 DARMSTADT, DE;SCHUHMACHER, RUDOLF, DR., 67459 BOEHL-IGGELHEIM, DE;TRAPP, HORST, DR., 68723 PLANKSTADT, DE |
