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CO2/air switchable wormlike micelles published in Soft Matter
After successfully fabricating CO2-switchable wormlike mcielles with short-chain polyamine or long-chain polyamine, ZHANG Yongmin developed a "symmetry" CO2-switchable wormlike micelles with a C22-tailed tertiary amine. Upon bubbling CO2 into the  amine aqueous solution under ambient temperature and pressure, its viscosity increases rapidly more than 10,000 times, and recover to its Newtonian-fluid state when delepting CO2 with air under the iderntical pressure and temperature. This new strategy overcomes the "heating" process for removing CO2 in the previous similar systems. Soft Matter, 2013,9, 6217-6221; DOI: 10.1039/C3SM50913C; http://pubs.rsc.org/en/results?searchtext=Yujun%20Feng