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Figure 4. Reversibility of the foaming and defoaming process.
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processes could be used in chemical analysis and the mineral,
cosmetic, and even food industries.
ASSOCIATED CONTENT
* Supporting Information
■
S
More details of the synthesis of other gemini-amphiphiles, the
lifetime of foam, and the effect of alkyl chain length are
included in the Supporting Information. This material is
AUTHOR INFORMATION
Corresponding Author
■
Notes
The authors declare no competing financial interest.
ACKNOWLEDGMENTS
■
This work was financially supported by the National Basic
Research Program of China (2013CB834502). We thank
Zehuan Huang and Guanglu Wu for helpful discussions.
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