Synthesis and properties of poly(ether i
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Sheng-Huei Hsiao; Guey-Sheng Liou; Shin-Hung Chen
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Article
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1998
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John Wiley and Sons
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English
⚖ 179 KB
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A new naphthalene unit-containing bis(ether anhydride), 2,6-bis(3,4-dicarboxyphenoxy)naphthalene dianhydride, was synthesized in three steps starting from the nucleophilic nitrodisplacement reaction of 2,6-dihydroxynaphthalene and 4nitrophthalonitrile in N,N-dimethylformamide (DMF) solution in the p