Phase structure and toughening mechanism of a thermoplastic-modified aryl dicyanate

Eaor M. Woo, David A. Shimp, James C. Seferis

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64 引文 斯高帕斯(Scopus)

摘要

A high temperature thermosetting aryl dicyanate resin was modified with thermoplastic polysulfone and/or poly(ether imide) at various compositions. Differential scanning calorimetry was used to characterize the phase behaviour, while the morphologies and continuities of the thermoplastic/dicyanate networks were investigated by using dynamic mechanical analysis, scanning electron microscopy, fracture toughness testing, and solvent sorption studies. The phase structure was found to change from a thermosetting continuity to a co-continuity of both thermoplastic and thermosetting domains. The mechanical and physical properties of the modified polycyanates exhibited a step change at the shift of the phase structure.

原文English
頁(從 - 到)1658-1665
頁數8
期刊polymer
35
發行號8
DOIs
出版狀態Published - 1994 四月

All Science Journal Classification (ASJC) codes

  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

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