Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 26, Issue 17, Pages 1377-1382Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200500364
Keywords
high performance polymers; macrocycles; reactive processing; ring-opening polymerization
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Blends of the poly(ether sulfone) derived from 4,4'-biphenol and 4,4'-dichlorodiphenylsulfone (Radel-R(TM)) with its homologous macrocyclic oligomers show greatly lowered melt viscosities relative to that of the parent polymer, potentially enabling more facile production and fabrication of fiber-reinforced composite materials. The macrocycles can then undergo entropically driven ring-opening polymerization in situ. The required blends can be obtained easily in one step, by carrying out polycondensations at concentrations lower than those usually used for polymer synthesis.
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