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Use of allyl-functional benzoxazine monomers as replacement for styrene in vinyl ester resins

Authors

  • Lin Jin,

    1. Department of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, OH 44106-7202, USA
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  • Tarek Agag,

    1. Department of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, OH 44106-7202, USA
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    • On leave from Tanta University, Egypt.

  • Hatsuo Ishida

    Corresponding author
    1. Department of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, OH 44106-7202, USA
      Hatsuo Ishida, Department of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, OH 44106-7202, USA. E-mail: hxi3@cwru.edu
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Hatsuo Ishida, Department of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, OH 44106-7202, USA. E-mail: hxi3@cwru.edu

Abstract

New vinyl ester systems are prepared using allyl-functional benzoxazine monomers, 3-allyl-6-methyl-3,4-dihydro-2H-benzo[e][1,3]oxazine (pC-ala) or bis(3-allyl-3,4-dihydro-2H-benzo[e][1,3]oxazin-6-yl)methane (BF-ala), as reactive diluents for vinyl ester resins derived from an epoxy resin, diglycidyl ether of bisphenol A, instead of using styrene. Different initiators are used to investigate the copolymerization of allyl function from pC-ala with vinyl function from vinyl ester resin prepolymer. The temperature dependence of viscosity is studied to demonstrate the retention of processability of the new vinyl ester resins. Dynamic mechanical and thermogravimetric analyses are used to investigate the dynamic mechanical properties and thermal stability of the new resins. Copyright © 2012 Society of Chemical Industry

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