Synthesis and properties of poly(ether i
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Sheng-Huei Hsiao; Liang-Ru Dai
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Article
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1999
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John Wiley and Sons
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English
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Four bis(ether anhydride)s, 4,4ะ-(1,4-phenylenedioxy)diphthalic anhydride (IV), 4,4ะ-(2,5-tolylenedioxy)-diphthalic anhydride (Me-IV), 4,4ะ-(2-chloro-1,4-phenylenedioxy)diphthalic anhydride (Cl-IV), and 4,4ะ-(2,5-biphenylenedioxy)diphthalic anhydride (Ph-IV), were prepared in three steps starting fr