Journal of Polymers and the Environment

, Volume 27, Issue 1, pp 141–147 | Cite as

Design and Development of Environmentally Friendly Polybenzoxazine–Silica Hybrid from Renewable Bio-resource

  • S. DevarajuEmail author
  • K. Krishnadevi
  • S. Sriharshitha
  • M. AlagarEmail author
Original Paper


In the present work, an attempt has been made to develop polybenzoxazine- silica hybrid through in-situ sol–gel method using renewable bio-resource raw materials such as cardanol and furfurylamine for high thermal and flame retardant applications. In this context, a new approach has been adopted to incorporate an inorganic component (MPTMS) in to cardanol benzoxazine (BZ–C–F) via chemical interaction between the unsaturated group of cardanol and mercapto group (–SH) of MPTMS by thermally initiated thiol-ene click reaction. The developed PBZ–C–F–silica hybrids were characterized for their molecular structure, thermal and flame resistant properties using modern analytical techniques. Data obtained from thermal and flame retardant studies, it is suggested that the developed PBZ–C–F–silica hybrid can be used in the form of coatings, sealants, encapsulants and matrices for thermally stable and flame retardant applications.


Cardanol benzoxazine Benzoxazine–silica hybrid Thiol-ene click reaction Thermal stability Flame retardancy 

Supplementary material

10924_2018_1327_MOESM1_ESM.docx (49 kb)
Supplementary material 1 (DOCX 48 KB)


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Division of Chemistry, Department of Science and HumanitiesVignan’s Foundation for Science, Technology and Research (VFSTR)GunturIndia
  2. 2.Centre of Excellence for Advanced Materials, Manufacturing, Processing and Characterisation (CoExAMMPC)Vignan’s Foundation for Science, Technology and Research (VFSTR)GunturIndia

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