Nanocomposites from phenolic resin and various organo-modified montmorillonites: Preparation and thermal stability

Wei Jiang, Shinn Horng Chen, Yun Chen

Research output: Contribution to journalArticlepeer-review

38 Citations (Scopus)


Phenolic resin (PF)/montmorillonite (MMT) nanocomposites have been successfully prepared using intercalative polymerization of resole-type phenolic resins in montmorillonites modified by octadecylamine (C18), benzyldimethylhexadecylammonium chloride (B2MH), benzyltriethylammonium chloride (B3E), and benzyldimethylphenylammonium chloride (B2MP). X-ray diffraction measurements and transmission electron microscope observations showed that clay platelets were partially exfoliated or intercalated after complete curing of the phenolic resins. The cured nanocomposites were named as modifier-MP (MP means montmorillonite-phenolic resin), for example, B3E-MP. Thermogravimetric analysis showed that thermal decomposition temperatures (Tds) of the cured nanocomposites B2MP-MP (826 K), B3E-MP (794 K), and B2MH-MP (783 K) were much higher than those of C18-MP (768 K) and cured phenolic resin (737 K). Therefore, thermal stability of the nanocomposites depends mainly on the chemical structure of the organic modifiers. B2MP-MP possesses the highest Td since B2MP contains both benzyl and phenyl groups, followed with B3E-MP and B2MH-MP whose modifiers contain only one benzyl group. This is attributable to favorable interaction between phenolic resin and organic modifiers containing benzene rings.

Original languageEnglish
Pages (from-to)5336-5343
Number of pages8
JournalJournal of Applied Polymer Science
Issue number6
Publication statusPublished - 2006 Dec 15

All Science Journal Classification (ASJC) codes

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

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