Syntheses and properties of related polyoxadiazoles and polytriazoles

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Hensema, E.R. and Sena, M.E.R. and Mulder, M.H.V. and Smolders, C.A. (1994) Syntheses and properties of related polyoxadiazoles and polytriazoles. Journal of Polymer Science, Part A: Polymer chemistry, 32 (3). pp. 527-537. ISSN 0887-624X

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Abstract:New aromatic poly-1,2,4-triazoles and poly-1,3,4-oxadiazoles are studied as thermally stable membrane materials. Various groups were introduced onto the pendant phenyl groups of poly-1,2,4-triazoles. Glass transition temperature, degradation temperature, and cold crystallization behavior were studied as a function of these groups. Cold crystallization appeared to be highly sensitive to macromolecular regularity. The solubility of poly-1,3,4-oxadiazoles was highly improved upon incorporation of 5-t-butylisophthalic, 1,1,3-trimethyl-3-phenylindane, 4,4-(2,2-diphenyl) hexafluoro propane, and diphenyl ether groups into the polymeric main chain, whereas the high glass transition temperatures and degradation temperatures typical for aromatic poly-1,3,4-oxadiazoles were maintained.
Item Type:Article
Copyright:© 1994 Wiley InterScience
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Link to this item:http://purl.utwente.nl/publications/71123
Official URL:http://dx.doi.org/10.1002/pola.1994.080320314
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Metis ID: 106915