Graft copolymers of natural fibers for green composites

Vijay Kumar Thakur*, Manju Kumari Thakur, Raju Kumar Gupta

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

202 Citations (Scopus)


In the present study, free radical induced graft-copolymerization of natural cellulosic polymers (Grewia optiva) has been carried out to develop the novel materials meant for green composites and many other applications. During the graft copolymer synthesis diverse reaction parameters that significantly affect the percentage of grafting were optimized. The structural, thermal and physico-chemical changes in the natural cellulosic polymers based graft copolymers have been ascertained with scanning electron micrography, Fourier transform infrared spectroscopy, thermogravimetric analysis (TGA) and swelling studies. The swelling studies of the grafted cellulosic polymers have been carried out in different solvents to assess the possible applicability of these natural polymers. Green composites were also prepared using raw/grafted cellulosic polymers. It has been found that grafted polymers (Grewia optiva) based green composites gives better tensile properties than the parent natural cellulosic polymers based composites.

Original languageEnglish
Pages (from-to)87-93
Number of pages7
JournalCarbohydrate Polymers
Issue number1
Early online date10 Jan 2014
Publication statusPrint publication - 15 Apr 2014
Externally publishedYes


  • FTIR
  • Graft copolymers
  • Natural cellulose
  • Physico-chemical characteristics
  • SEM
  • TGA


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