期刊
JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY
卷 35, 期 6, 页码 832-839出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/01932691.2013.817951
关键词
CO2; foaming agent; stimuli-response; switchable surfactant
资金
- Education Department of Sichuan Province [2013TD0025]
Switchable surfactants, particularly those triggered by CO2 used for switchable foam control, are relatively less documented. In this article, the foaming performance of 2-alkyl-1-hydroxyethylimidazolinium bicarbonate cationic surfactants (HEAIBs) was investigated for the first time. The foaming properties of these surfactants demonstrate that HEAIBs can generate foam with moderate stability, on demand, can be rapidly yet reversibly dissipated upon exposure to air. The results illustrated such a facile trigger, and the foam on/off transition would have huge potential to form a new class of stimuli-response foaming agents.
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