Synthesis and properties of related polyoxadiazoles and polytriazoles

E.R. Hensema, E.R. Hensema, M.E.R. Sena, M.H.V. Mulder, C.A. Smolders, C.A. Smolders

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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.
Original languageUndefined
Pages (from-to)527-537
Number of pages11
JournalJournal of polymer science. Part A: Polymer chemistry
Volume1994
Issue number32
DOIs
Publication statusPublished - 1994

Keywords

  • METIS-106915
  • IR-71123
  • cold crystallization
  • polyhydrazide
  • Poly-1
  • 3
  • 4-oxadiazoles
  • 4-triazoles
  • 2

Cite this

Hensema, E. R., Hensema, E. R., Sena, M. E. R., Mulder, M. H. V., Smolders, C. A., & Smolders, C. A. (1994). Synthesis and properties of related polyoxadiazoles and polytriazoles. Journal of polymer science. Part A: Polymer chemistry, 1994(32), 527-537. https://doi.org/10.1002/pola.1994.080320314
Hensema, E.R. ; Hensema, E.R. ; Sena, M.E.R. ; Mulder, M.H.V. ; Smolders, C.A. ; Smolders, C.A. / Synthesis and properties of related polyoxadiazoles and polytriazoles. In: Journal of polymer science. Part A: Polymer chemistry. 1994 ; Vol. 1994, No. 32. pp. 527-537.
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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.",
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Hensema, ER, Hensema, ER, Sena, MER, Mulder, MHV, Smolders, CA & Smolders, CA 1994, 'Synthesis and properties of related polyoxadiazoles and polytriazoles', Journal of polymer science. Part A: Polymer chemistry, vol. 1994, no. 32, pp. 527-537. https://doi.org/10.1002/pola.1994.080320314

Synthesis and properties of related polyoxadiazoles and polytriazoles. / Hensema, E.R.; Hensema, E.R.; Sena, M.E.R.; Mulder, M.H.V.; Smolders, C.A.; Smolders, C.A.

In: Journal of polymer science. Part A: Polymer chemistry, Vol. 1994, No. 32, 1994, p. 527-537.

Research output: Contribution to journalArticleAcademicpeer-review

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T1 - Synthesis and properties of related polyoxadiazoles and polytriazoles

AU - Hensema, E.R.

AU - Hensema, E.R.

AU - Sena, M.E.R.

AU - Mulder, M.H.V.

AU - Smolders, C.A.

AU - Smolders, C.A.

PY - 1994

Y1 - 1994

N2 - 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.

AB - 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.

KW - METIS-106915

KW - IR-71123

KW - cold crystallization

KW - polyhydrazide

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KW - 3

KW - 4-oxadiazoles

KW - 4-triazoles

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U2 - 10.1002/pola.1994.080320314

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SP - 527

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JO - Journal of polymer science. Part A: Polymer chemistry

JF - Journal of polymer science. Part A: Polymer chemistry

SN - 0887-624X

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