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    • 23. 发明授权
    • Alkyl glycidyl ether-capped diamine foam controlling agent
    • 烷基缩水甘油醚封端二胺泡沫控制剂
    • US06746623B2
    • 2004-06-08
    • US10061898
    • 2002-02-01
    • Caroline Sassano SloneKevin Rodney Lassila
    • Caroline Sassano SloneKevin Rodney Lassila
    • B01D1904
    • C09K8/602B01D19/0413B01D53/1493B01F17/0042B01F17/0085C09D5/024C09D11/03C09D11/101C09K8/12C09K8/18C11D3/0026C11D3/30D06M13/165D06M13/332D06P1/645D21H21/12
    • The present invention pertains to a method for controlling the foaming of a waterborne composition or in an industrial process utilizing a waterborne composition by the incorporation of a foam controlling agent in an amount effective for controlling foam. The method comprises utilizing as the foam controlling agent an alkyl glycidyl ether-capped diamine compound of the formula: L is a linker group comprising a linear, branched, or cyclic alkyl group having from 2 to about 6 carbon atoms or an alkyl ether group having from about 4 to about 8 carbon atoms. R is independently selected from hydrogen or —CH2CHOHCH2OR′. R′ is an alkyl group having from about 4 to about 22 carbon atoms. The compound generates an initial foam height at least 30% less than a 0.1 wt % aqueous solution of dioctyl sodium sulfosuccinate (DOSS), when added at 0.1 wt % to the aqueous DOSS solution. The present invention also pertains to an aqueous composition comprising the foam controlling agent.
    • 本发明涉及一种控制水性组合物发泡的方法,或在通过掺入泡沫控制剂的有效控制泡沫的量的工业方法中利用水性组合物的方法。 该方法包括使用下式的烷基缩水甘油醚封端二胺化合物作为泡沫控制剂:L是包含具有2至约6个碳原子的直链,支链或环状烷基的连接基团或具有 约4至约8个碳原子。 R独立地选自氢或-CH 2 CHOHCH 2 OR'。 R'是具有约4至约22个碳原子的烷基。 当以0.1重量%加入到DOSS水溶液中时,该化合物产生比0.1重量%的二辛基磺基琥珀酸钠水溶液(DOSS)至少少30%的初始泡沫高度。 本发明还涉及包含泡沫控制剂的水性组合物。