Novel organosoluble poly(amide-imide-imide)s synthesized from new tetraimide-dicarboxylic acid by condensation with 4,4′-Oxydiphthalic anhydride, 1,4-Bis(4-amino-2-trifluoromethylphenoxy)benzene, trimellitic anhydride, and various aromatic diamines

Chin Ping Yang, Ya Ping Chen, Eamor Woo

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

A new monomer of tetraimide-dicarboxylic acid (IV) was synthesized by starting from ring-opening addition of 4,4′-oxydiphthalic anhydride, trimellitic anhydride, and 1,4-bis(4-amino-2-trifluoromethylphenoxy)benzene at a 1:2:2 molar ratio in N-methyl-2-pyrrolidone (NMP). From this new monomer, a series of novel organosoluble poly(amide-imide-imide)s with inherent viscosities of 0.7-0.96 dL/g were prepared by triphenyl phosphite activated polycondensation from the tetraimide-diacid with various aromatic diamines. All synthesized polymers were readily soluble in a variety of organic solvents such as NMP and N,N-dimethylacetamide, and most of them were soluble even in less polar m-cresol and pyridine. These polymers afforded tough, transparent, and flexible films with tensile strengths ranging from 99 to 125 MPa, elongations at break from 12 to 19%, and initial moduli from 1.6 to 2.4 GPa. The thermal properties and stability were also good with glass-transition temperatures of 236-276°C and thermogravimetric analysis 10 wt % loss temperatures of 504-559°C in nitrogen and 499-544°C in air.

Original languageEnglish
Pages (from-to)2854-2864
Number of pages11
JournalJournal of Applied Polymer Science
Volume101
Issue number5
DOIs
Publication statusPublished - 2006 Sep 5

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Polymers and Plastics
  • Materials Chemistry

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