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A Flash and Versatile Cyclization Technique Assisted by Microreactor


Cyclic polymers have been confirmed possessing unique properties and potentials in different applications due to the absence of free end groups. However, efficient synthesis of cyclic polymers remains with much challenge. In this contribution, a flash and versatile cyclization technique assisted by microreactor (or micromixer) is presented. Unlike the conventional procedure in batch system, the cyclization of linear poly(ethylene oxide) (l-PEO) can be instantly and completely realized in a micromixer. Successful cyclization can also be accomplished with elevated flow rate of l-PEO and/or catalyst solution. Based on the flash character of microreaction system, an upgraded setup is also constructed by introducing a circulation loop to recycle the catalyst solution. The cyclization time is therefore largely shortened and the consumption of solvent is greatly reduced, which provides a significant improvement in cyclization efficiency.

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Publication details

The article was received on 20 Jun 2017, accepted on 08 Aug 2017 and first published on 08 Aug 2017

Article type: Paper
DOI: 10.1039/C7PY01034F
Citation: Polym. Chem., 2017, Accepted Manuscript
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    A Flash and Versatile Cyclization Technique Assisted by Microreactor

    H. Shen and G. Wang, Polym. Chem., 2017, Accepted Manuscript , DOI: 10.1039/C7PY01034F

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