Angewandte Chemie - International Edition
Angewandte Chemie - International Edition
4 years ago

Organocatalyzed photo-controlled radical polymerization of semi-fluorinated (meth)acrylates driven by visible light

Yucheng Zhao, Xianwang Shen, Mao Chen, Jun Lin, Honghong Gong
Fluorinated polymers are important materials that are widely used in many areas. Herein, we report the development of a metal-free photo-controlled radical polymerization of semi-fluorinated (meth)acrylates with a new visible light absorbing organocatalyst. This method allows the production of a variety of semi-fluorinated polymers with narrow molar weight distributions from semi-fluorinated trithiocarbonates or perfluoroalkyl iodide. The high performance of "ON/OFF" control and chain extension experiments further demonstrate the utility and reliability of this method. Furthermore, to streamline the preparation of semi-fluorinated polymers, a scalable continuous-flow approach has been developed. Given the broad interest in fluorinated materials and photopolymerization, we expect this method will facilitate the development of advanced materials with unique property.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/anie.201711053

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