Organoclay-filled vinyl ester monomer toughened epoxy-intercrosslinked matrix materials

A. Chandramohan, M. R. Vengatesan, S. Devaraju, K. Dinakaran, M. Alagar

    Research output: Contribution to journalArticlepeer-review

    4 Scopus citations

    Abstract

    A vinyl ester monomer (VEM), namely cyclohexyl-1,1′-bis[4-(γ-2- methylphenoxy)-hydroxypropylacrylate], was synthesized from 1, 1-bis (3-methyl-4-glycidyloxyphenyl) cyclohexane, and acrylic acid via nucleophilic addition. The structure of VEM was confirmed by FTIR, 1H, 13C NMR, and electron impact-mass spectroscopy. Diglycidyl ethers of bisphenol-A (DGEBA) epoxy resin were toughened with varying percentages of 5, 10, and 15% (by wt) VEM using 4, 4′-diaminodiphenylmethane (DDM). VEM-modified epoxy systems were further modified with organophilic montmorillonite (OMMT) clay. OMMT clay-filled hybrid VEM-epoxy resin systems, developed in the form of casting, were characterized for their mechanical, thermomechanical, dielectric, and morphological properties.

    Original languageBritish English
    Pages (from-to)301-308
    Number of pages8
    JournalInternational Journal of Polymeric Materials and Polymeric Biomaterials
    Volume62
    Issue number6
    DOIs
    StatePublished - 1 Mar 2013

    Keywords

    • Dielectric properties
    • epoxy resin
    • hardness
    • morphology
    • water absorption

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