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Synthesis and properties of random polysulfone/polyethersulfone copolymers as high-performance polymers
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Yi-Nan Zhang
Published/Copyright:
August 9, 2011
Abstract
A series of random polysulfone/polyethersulfone (PSF/PES) copolymers were synthesized by the polycondensation of 4,4′-isopropylidenediphenol, 4,4′-dihydroxyldiphenylsulfone, and 4,4′-dichlorodiphenylsulfone in the presence of potassium carbonate. The resulting copolymers displayed similar solubility with PSF and PES. The glass transition temperature and the 5% weight loss temperature of these copolymers varied in the range of 199°C–299°C and 467°C–498°C, respectively, which showed excellent thermal stability. Moreover, the elongation at break of these copolymers was much higher than that of PES, whereas the tensile strength was a little lower.
Published Online: 2011-08-09
Published in Print: 2011-08-01
©2011 by Walter de Gruyter Berlin Boston
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- Fabrication and characterization of organic semiconductor for electromagnetic interference shielding material
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