Synthesis and properties of a novel, liquid, trifunctional, cycloaliphatic epoxide

  • Meiran Xie
  • , Zhonggang Wang*
  • , Yunfeng Zhao
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

57 Scopus citations

Abstract

A novel cycloaliphatic triepoxide, 1,1-bis(2′,3′-epoxycyclohexyloxymethyl)-3,4-epoxycyclohexane (II), and its precursor, 1,1-bis(2′-cyclohexenyloxymethyl)-3-cyclohexene, were synthesized. Their chemical structures were confirmed with IR spectroscopy, elemental analysis, and 1H NMR spectroscopy. II was easily cured with hexahydro-4-methylphthalic anhydride with 1,3,5-triethylhexahydro-s-triazine as a curing accelerator. The physical properties of the cured product were examined with thermomechanical analysis, thermogravimetric analysis, and dynamic mechanical analysis. Compared with the commercial diepoxide ERL-4221 under the same curing conditions, the cured product based on II showed a much higher glass-transition temperature (198°C), a higher crosslinking density (2.08 × 10-3 mol/cm3), and a lower coefficient of thermal expansion [6.2 × 105(/°C)]. II may become a promising candidate material for modern microelectronic packaging.

Original languageEnglish
Pages (from-to)2799-2804
Number of pages6
JournalJournal of Polymer Science, Part A: Polymer Chemistry
Volume39
Issue number16
DOIs
StatePublished - 15 Aug 2001
Externally publishedYes

Keywords

  • Cycloaliphatic epoxide
  • Electronic packaging
  • Mechanical properties
  • Synthesis
  • Thermal properties
  • Thermosets

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