Defoaming agent, lubricating oil composition containing defoaming agent, and machine using lubricating oil composition

The present invention provides a defoaming agent exhibiting excellent defoaming properties. Specifically, the defoaming agent is a polymer having, as polymerization components, a polymerizable monomer (1) having a functional group containing an organosilicon chain and a polymerizable monomer (2) hav...

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Bibliographische Detailangaben
Hauptverfasser:	FUJIWARA RYUTA, KOIKE NOBUYUKI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON FUELS INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS LUBRICANTS LUBRICATING COMPOSITIONS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Beschreibung
Zusammenfassung:	The present invention provides a defoaming agent exhibiting excellent defoaming properties. Specifically, the defoaming agent is a polymer having, as polymerization components, a polymerizable monomer (1) having a functional group containing an organosilicon chain and a polymerizable monomer (2) having a functional group containing a polyoxyalkylene chain. 本发明提供一种显示优异的消泡性的消泡剂。具体而言，为一种消泡剂，其是将具有含有机硅链的官能团的聚合性单体(1)及具有含聚氧亚烷基链的官能团的聚合性单体(2)作为聚合成分的聚合物。