Invention Grant
US08877696B2 Cleaning compositions comprising pH-switchable amine surfactants
有权
包含pH可切换胺表面活性剂的清洁组合物
- Patent Title: Cleaning compositions comprising pH-switchable amine surfactants
- Patent Title (中): 包含pH可切换胺表面活性剂的清洁组合物
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Application No.: US13850321Application Date: 2013-03-26
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Publication No.: US08877696B2Publication Date: 2014-11-04
- Inventor: Hiroshi Oh , John August Wos , Robb Richard Gardner , Timothy Bates
- Applicant: The Proctor & Gamble Company
- Applicant Address: US OH Cincinnati
- Assignee: The Procter & Gamble Company
- Current Assignee: The Procter & Gamble Company
- Current Assignee Address: US OH Cincinnati
- Agent Jason J Camp; Melissa G Krasovec
- Main IPC: C11D1/62
- IPC: C11D1/62 ; C11D9/04

Abstract:
A cleaning composition may comprise a pH-switchable sudsing system and a cleansing system. The pH-switchable sudsing system may comprise 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)3X−, 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.
Public/Granted literature
- US20130252869A1 CLEANING COMPOSITIONS COMPRISING PH-SWITCHABLE AMINE SURFACTANTS Public/Granted day:2013-09-26
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