He Qin-zheng, Wang Jin-yan, Song Lei, et al. Synthesis, Curing and Properties of Poly (phthalazione ether sulfone ketone) Copolymers Crosslinked by Click Chemistry[J]. Chinese Journal of Polymer Science, 2016, 34(10): 1208-1219.
DOI:
He Qin-zheng, Wang Jin-yan, Song Lei, et al. Synthesis, Curing and Properties of Poly (phthalazione ether sulfone ketone) Copolymers Crosslinked by Click Chemistry[J]. Chinese Journal of Polymer Science, 2016, 34(10): 1208-1219.DOI: 10.1007/s10118-016-1835-z.
Synthesis, Curing and Properties of Poly (phthalazione ether sulfone ketone) Copolymers Crosslinked by Click Chemistry
Functionalized poly(phthalazinone ether sulfone ketone) was synthesized by successive chloromethylation and azidation
followed by curing reaction with the propargyl end-groups of various molecular weight crosslinking agents in the presence of Cu(I) catalyst
via
the azide-alkyne click reaction. The influences of the chain length of crosslinking agents on the poly(phthalazinone ether sulfone ketone) system were studied. FTIR and DSC tests demonstrated certain crosslinking by azide-alkyne reaction with the formation of triazole ring. DSC results showed that curing temperature shifted to lower temperatures considerably in the presence of Cu(I) catalyst. TGA showed cured polymers were of much higher thermal stability
including higher thermal decomposition temperatures and higher char-yielding properties. After being cured
the polymers became insoluble in organic solvents and the gel fraction of the cured polymers exceeded 71%. Wide-angle X-ray diffraction results indicated there was a short distance order in the poly(ether sulfone) (PES) main chain except for the azido methyl poly(phthalazinone ether sulfone ketone) and 4
CheOhashi, S., Kilbane, J., Heyl, T. and Ishida, H., Macromolecules, 2015, 48(23): 8412
L. Dumas, , L. Bonnaud, , M. Olivier, . . Poorteman, M, Dubois, P.Eur. Polym. J. , 2016 . 75 486 DOI: 10.1016/j.eurpolymj.2016.01.021 http://doi.org/10.1016/j.eurpolymj.2016.01.021 .
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