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Improved process for the production of perfluoropolyethers substantially comprising perfluorooxyethylene and perfluorooxypropylene units
Improved process for the production of perfluoropolyethers substantially comprising perfluorooxyethylene and perfluorooxypropylene units
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机译:制备基本上包含全氟氧乙烯和全氟氧丙烯单元的全氟聚醚的改进方法
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摘要
Improved process for producing perfluoropolyethers predominantly composed of units of formulae -CF2CF2O-and CHEM and terminal perfluoroalkyl groups, with a ratio of the above C3/C2 units within the range of from 0.2 to 6, showing a good combination of chemical and physical properties, comprising the photo-oxidation of C3F6 and C2F4 under controlled conditions.
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