| 摘要 |
Defoaming agent comprising (A) FROM 1 TO 100 PARTS BY WEIGHT OF AT LEAST ONE ALKALI-METAL SALT OF AN OXY-ACID OF SULPHUR, NITROGEN OR PHOSPHORUS, (B) FROM 20 TO 1 PARTS BY WEIGHT OF AT LEAST ONE ALIPHATIC HYDROCARBON OR A DERIVATIVE THEREOF OF THE GROUP CONSISTING OF FATTY ACIDS, FATTY ACID SALTS, FATTY ACID AMIDES, ALCOHOLS, AMINES, ALDEHYDES AND KETONES, (C) FROM 0 TO 5 PARTS BY WEIGHT, BASED ON 100 PARTS BY WEIGHT OF (A + B), ADDITIVES AND (D) FROM 0 TO 1000 PARTS BY WEIGHT, BASED ON 100 PARTS BY WEIGHT OF (A + B), WATER. |
