Journal of Polymers and the Environment

, Volume 20, Issue 1, pp 164–174 | Cite as

Graft Copolymerization of Methyl Acrylate onto Cellulosic Biofibers: Synthesis, Characterization and Applications

Original Paper

Abstract

Graft copolymerization of cellulosic biopolymers with synthetic polymers is of enormous interest because of its application in biofiltration, biosorption, biomedical, biocomposites and various other eco-friendly materials. Synthesis of graft copolymers of methyl acrylate onto mercerized Grewia optiva biofibers using ferrous ammonium sulfate–potassium per sulfate as redox initiator in air was carried out. Different reaction parameters such as amount of solvent, monomer concentration, initiator molar ratio, reaction time and reaction temperature were optimized to get the maximum percentage of grafting. The graft copolymers thus formed were characterized by Fourier transform infrared spectroscopy, scanning electron microscopy, thermogravimetric analysis, differential thermal analysis and differential thermogravimetric techniques. A plausible mechanism for explanation of the graft copolymerization reactions pattern shown is offered. The effect of grafting percentage on the physico–chemical properties of raw as well as grafted Grewia optiva biofibers has also been investigated. The graft copolymers have been found to be more moisture resistant and also showed better chemical and thermal resistance. Green polymer composites were also successfully prepared through compression molding technique by using grafted Grewia optiva biofibers as reinforcement.

Keywords

Grewia optiva biofibers Graft copolymerization Green composites, thermal Physico–chemical and mechanical properties 

Notes

Acknowledgments

Authors wish to thanks their parental institutes for providing the necessary facilities to accomplish the present research work.

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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.School of Materials Science and EngineeringNanyang Technological UniversitySingaporeSingapore
  2. 2.Department of ChemistryNational Institute of Technology HamirpurHamirpurIndia
  3. 3.Division of ChemistryGovernment Degree College Sarkaghat, Himachal Pradesh UniversityShimlaIndia

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