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Synthesis and properties of random polysulfone/polyethersulfone copolymers as high-performance polymers
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Yi-Nan Zhang
Veröffentlicht/Copyright:
9. August 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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Artikel in diesem Heft
- Original Articles
- Fabrication and characterization of organic semiconductor for electromagnetic interference shielding material
- Processing and characterization of poly(ethylene oxide)/clay nanocomposites
- Organic solar cells using a multilayer structure MoO3/Ag/MoO3 as anode
- Dilute solution viscometry study on the miscibility of N,O-carboxymethyl chitosan-cellulose acetate blends
- Determination of relevant “average” properties for tubular filler materials used in composites
- Impact behaviour of thermoplastics — materials testing and simulationa
- Foam injection moulding – specific adjustment of foam structure and mechanical propertiesa
- Metal injection molding of W-Ni-Fe microcutters
- Synthesis, modification, and characterization of organosilicone and acrylate copolymer latex
- Synthesis and properties of random polysulfone/polyethersulfone copolymers as high-performance polymers
- Electron beam modification of space durable polymeric nano-adhesive bonding of ultra-high temperature resistant polymer
