Multicyclic polyethers derived from 1,4-dicyanotetrafluorobenzene and flexible diphenols
1,4-Dicyanotetrafluorobenzene (DCTB) was polycondensed with various diphenols in DMF or DMSO using K2CO3 as catalyst and HF acceptor. At concentrations of 0.1 or 0.2 mol/L for DCTB, gels were obtained with 1,4-bis[2-(4-hydroxyphenyl)
Kricheldorf, Hans R.,Schellenberg, Johann,Schwarz, Gert
p. 6445 - 6450
(2007/10/03)
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