Catalytic Cs 2 CO 3 Promotes "Silyl Method"-Type Polycondensation
作者： Claus Vogel , Jochen Meier-Haack
DOI: 10.4236/OJPCHEM.2012.21001
关键词:
摘要: Catalytic amounts of cesium carbonate are sufficient to initiate the “silyl method”-type step-growth polymerization phenylene-bis-TMS-ethers and -thioethers with activated aryl fluoride monomers, can thus be used instead ce-sium or potassium carbonate. Cesium is very hygroscopic generally in equimolar amounts. The efficiency catalytic demonstrated by synthesis poly(phenylene ether ketone) sulfide sulfone) examples.
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