International Journal of Plastics Technology

, Volume 21, Issue 2, pp 427–443 | Cite as

Synthesis and Characterization of polymer resins from renewable resource

  • S. G. Jebastin Andrews
  • V. Rama
  • C. V. Mythili
Research Article


As a alternate to the use of conventional reinforcing synthetic resins, biobased resins were synthesized from renewable resources such as cardanol and furfural. Cardanol is the meta- substituted phenolic compound isolated from cashew nut shell liquid, a byproduct of cashew industry. P-chloroaniline has been diazotised and coupled with cardanol to prepare diazotised p-chloroaniline cardanol dye (bio monomer). The obtained dye has been condensed with furfural in presence of 3 N H2SO4 to give diazotized p-chloroaniline cardanol furfural (homo polymer) resin. The condensed resin has been allowed to react with urea, ethylene glycol, resorcinol and o-hydroxy benzoic acid to form various copolymer resins. These resins have been characterized by Fourier transform-infrared spectroscopy, 1H-nuclear magnetic resonance spectroscopy, X-ray diffraction (XRD), thermogravimetric analysis and differential thermal analysis studies. XRD techniques are used to distinguish the state of polymer, i.e. crystalline or amorphous etc., to calculate percentage crystallinity. The energy of activation for different stages of polyurethane degradation is determined by Coats–Redfern integration method which involves different kinetic models.

Graphical Abstract


Cardanol Crystallinity X-ray diffraction Energy of activation 


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Copyright information

© Central Institute of Plastics Engineering & Technology 2017

Authors and Affiliations

  1. 1.Department of ChemistryV V College of EngineeringTisyanvilaiIndia
  2. 2.Department of ChemistrySarah Tucker CollegeTirunelveliIndia
  3. 3.Department of ChemistryRani Anna Government College for WomenTirunelveliIndia

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