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CLEANING COMPOSITIONS COMPRISING PH-SWITCHABLE AMINE SURFACTANTS.

机译:清洁组合物,包括PH可切换的胺表面活性剂。

摘要

A cleaning composition comprises a pH-switchable sudsing system and a cleansing system. The pH-switchable sudsing system comprises a primary sudsing agent in combination with a pH-switchable co- surfactant. The pH-switchable co-surfactant is selected from diamine molecules having a general formula R1R2-N-R3-N+ (CH3)X, where R1 is a linear or branched C8 to C16 hydrocarbyl, R2 is a linear or branched C1 to C3 hydrocarbyl, R3 is a linear or branched C3 to C6 hydrocarbylene, and X is a counteranion. The tertiary amine nitrogen of the pH-switchable co-surfactant has a pKa value. When the tertiary amine nitrogen is unprotonated, the pH-switchable co-surfactant may provide a suds-boosting effect in washing solutions at a washing pH above the pKa. When the tertiary amine nitrogen is protonated, the pH-switchable co-surfactant may provide a suds-reducing benefit in rinse waters at a rinse pH below the pKa.
机译:清洁组合物包括pH可切换的泡沫系统和清洁系统。该pH可转换的起泡系统包括与pH可转换的助表面活性剂结合的主要起泡剂。 pH可转换的辅助表面活性剂选自具有通式R1R2-N-R3-N +(CH3)X的二胺分子,其中R1是直链或支链的C8至C16烃基,R2是直链或支链的C1至C3烃基R 3为直链或支链的C3至C6亚烃基,X为抗衡阴离子。 pH可切换的辅助表面活性剂的叔胺氮具有pKa值。当叔胺氮未被质子化时,pH可调的辅助表面活性剂可以在洗涤pH值高于pKa的情况下在洗涤溶液中提供起泡沫的作用。当叔胺氮被质子化时,pH可调的辅助表面活性剂可在冲洗pH低于pKa的冲洗水中提供减少泡沫的作用。

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