Summary
A new poly(phenylene ether) derivative, poly(2,6-dihydroxy-1,4-oxyphenylene), was synthesized by demethylation of poly(2,6-dimethoxy-1,4-oxyphenylene) with an excess of boron tribromide in methylene chloride. The resulting polymer was soluble in N,N-dimethylformaide, dimethyl sulfoxide, and actone, however, insoluble in chloroform, methanol, and benzene. NMR and IR analyses showed that the extent of the demethylation was 93 % and the polymer was composed of 2,6-dihydroxy-1,4-oxyphenylene unit. The polymer was stable below 300 °C under nitrogen.
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Ikeda R, Sugihara J, Uyama H, Kobayashi S, Macromolecules in press
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Ikeda, R., Uyama, H. & Kobayashi, S. Poly(2,6-dihydroxy-1,4-oxyphenylene. Polymer Bulletin 38, 273–277 (1997). https://doi.org/10.1007/s002890050048
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DOI: https://doi.org/10.1007/s002890050048