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Mechanical and Thermal Properties of Green Thermoplastic Elastomer Vulcanizate Nanocomposites Based on Poly (vinyl chloride) and Nitrile Butadiene Rubber Containing Organoclay and Rice Straw Natural Fibers

  • S. M. R. ParanEmail author
  • G. Naderi
  • S. Shokoohi
  • J. Ebadati
  • C. Dubois
Original paper

Abstract

Green thermoplastic elastomer vulcanizates (GTPV) nanocomposites using poly (vinyl chloride) (PVC) and nitrile butadiene rubber (NBR) containing 5 wt% Cloisite 30B as an organoclay and various concentrations of rice straw natural fibers were made by melt mixing process and compression molding. The effect of used organoclay and various loadings of rice straw was monitored through using scanning electron microscopy (SEM), thermogravimetric analysis (TGA), tensile tests and rheological measurements. The morphological investigations revealed that the GTPV nanocomposites reinforced by rice straw natural fiber show a more rough fracture surfaces indicated the existence of some interactions between the natural fiber and polymer matrix. Thermal decomposition measurements revealed a higher thermal stability for GTPV nanocomposites containing higher rice straw natural fibers. The tensile test analysis suggested that there is an optimum value for the weight fraction of rice straw to enhance the Young’s modulus and tensile strength of the prepared GTPV nanocomposites up to 9 MPa and 35 MPa, respectively. The effect of rice straw loading on the Young’s modulus of the PVC/NBR/organoclay GTPV nanocomposites was predicted through using the parallel and series equations of modified Ji’s model. The results show that the theoretical model can precisely predict the variation of Young’s modulus with respect to the rice straw loading.

Keywords

Green nanocomposites Organoclay Rice straw Polyvinyl chloride Nitrile butadiene rubber Mechanical and thermal properties 

Notes

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • S. M. R. Paran
    • 1
    Email author
  • G. Naderi
    • 2
  • S. Shokoohi
    • 3
  • J. Ebadati
    • 1
  • C. Dubois
    • 2
  1. 1.Department of Polymer ProcessingIran Polymer and Petrochemical InstituteTehranIran
  2. 2.Department of Chemical Engineering, CREPECÉcole PolytechniqueMontrealCanada
  3. 3.Chemical, Polymeric and Petrochemical Technology Development Research DivisionResearch Institute of Petroleum IndustryTehranIran

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