Novel direct polycondensation of 4-hydroxybenzoic acid by means of reaction-induced crystallization of oligomers under nonstoichiometric condition

Kunio Kimura, Shin Ichiro Kohama, Yuhiko Yamashita

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Abstract

The direct polycondensation of 4-hydroxybenzoic acid (HBA) in the presence of 4-alkyloxybenzoic anhydride by means of the reaction-induced crystallization of oligomers was described. Thermal properties and crystal structure of poly(p-oxybenzoyl) (POB) were examined to support the formation of high molecular weight POB. Thermal properties of the obtained crystals were measured by differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA).

Original languageEnglish
Pages (from-to)5043-5046
Number of pages4
JournalMacromolecules
Volume36
Issue number14
DOIs
Publication statusPublished - Jul 15 2003

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ASJC Scopus subject areas

  • Materials Chemistry

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