Efficient polyether ester defoamer

The present invention relates to an efficient polyether ester defoamer, wherein the components in the formula comprise, by mass, 53.7-73.9 parts of polyether ester, 5-10 parts of polypropylene glycol (PPG), 5-8 parts of polyethylene glycol (PEG), 5-10 parts of dibasic acid, 6-8 parts of fatty acid,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TIAN LISHA, LIU WENSHUAI, WANG ZHANWU, YANG YANG
Format:	Patent
Sprache:	eng
Schlagworte:	PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	The present invention relates to an efficient polyether ester defoamer, wherein the components in the formula comprise, by mass, 53.7-73.9 parts of polyether ester, 5-10 parts of polypropylene glycol (PPG), 5-8 parts of polyethylene glycol (PEG), 5-10 parts of dibasic acid, 6-8 parts of fatty acid, 0.1-0.3 parts of a catalyst, 2-3 parts of an initiator, 1-3 parts of a surfactant, and 2-4 parts of a dispersant, wherein the catalyst is p-toluenesulfonic acid, and the initiator is benzoyl peroxide. The polyether ester defoamer of the present invention has functions of efficient foam eliminating and efficient foam inhibiting.