Polymerization of hexafluoropropene oxide
作者： Nobuyuki Silicone Electr. Mat. Labor. Kobayashi , Noriyuki c , Shinichi c , o Silicone Electr. Mat. Labor. Koike , o Silicone Electr. Mat. Labor. Sato
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摘要: Before hexafluoropropene oxide (HFPO) is polymerized in a polymerization initiator solution of the formula: CSOCF 2 --Rf--CF OCs wherein Rf perfluoroalkylene group which may have an ether bond aprotic polar solvent, treated by adding perfluoroolefin thereto at sufficient temperature for removal protonic substances, cesium fluoride and hydrogen fluoride. This simple treatment restrains chain transfer reaction, process successful producing difunctional HFPO polymer having high degree while suppressing formation monofunctional polymer.
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