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Polymers and Composites

Introduction:

 Polymers are an important category of materials replacing conventional materials in almost all fields of engineering applications. Being lightweight and with ease of processing, demand of polymers is increasing day by day. Also, new formulations and combinations are being explored to make further improvement in properties. Development of composites is also a dimension in which polymers have played a vital role. Combining metals, ceramics and polymers with other hard materials in the form of particulate, continuous and discontinuous fibers is a useful mean of enhancing properties of the matrices.

Team of Researchers:

  • Dr. Nasir Mehmood Ahmad (Focal Person)
  • Dr. Muhammad Shahid
  • Dr. Habib Nasir
  • Dr. Ahmed Nawaz Khan
  • Dr. Noaman Ul Haq
  • Research Facilities Available

    High speed mixer, polymer extruder, GPC (Gel permeation chromatography), Melt flow index, injection moulding, optical profilometer, 20 kN universal testing machine for polymers and polymeric composites, Scanning electron microscope, atomic force microscope, TGA, DTA etc.

    Projects (description, e.g. including photos)

  • Modeling and simulation of natural rubber base nano-composites for development of Auxetic materials.
  • Development of EPDM-carbon black nano-composites with negative Poisson’s ratio.
  • Development of SBR-carbon nano-composites for homeland security applications.
  • Indigenous development of SBR polymer.
  • Development of rubber lined rolls for rice husking.
  • Collaborations

    • KRL
    • Institute of research promotion, Lahore.

    Relevant Publications

     
  • M A Bashir, M Shahid, R A Alvi and A G Yahya, “Effect of carbon black on curing behavior, mechanical properties and viscoeleastic behavior of natural sponge rubber based nano composites”, Key Engineering Materials, Vols.510-511, (2012) pp.532-539.
  • M. Arshad Bashir, M. Shahid, R.A.Alvi, , A.G.Yahya, “Development of Sponge Structure in Natural Rubber Effect of Carbon Black on Curing Behaviour, Mechanical Characteristics and visco-elastic nature of Natural Rubber Based Nano-Composites”, ISAM 2011.
  • M.A.Bashir, Quratulain, M.Shahid, A.R.Alvi, A.Riaz Ahmed, “Effect of carbon black on curing and mechanical properties of sponge EPDM-based nano-composites”, Submitted to Journal of polymers & composites.
  • Ahmad Nawaz Khan, Physics of Polymer/Clay Nanocomposites; Lambert Academic Publishing (LAP), 2011, ISBN: 978-3-8383-9864-8.
  • Ahmad Nawaz Khan, P.D. Hong, W.T. Chuang, K.S. Shih, Mater. Chem. Phys., 119 (2010) 93.
  • Ahmad Nawaz Khan, P.D. Hong, W.T. Chuang, K.S. Shih, Polymer, 50 (2009) 6287.
  •  

    Key Words (Area of Research)

    Natural rubber, SBR, EPDM, Nano-composites, Auxetic materials, Poisson’s ratio

    Contact of Focal Person:

    Dr. Nasir Mehmood Ahmad

    Email: nasir.ahmad@scme.nust.edu.pk

    Tel: 051-90855213

    SCME, NUST, H-12, Islamabad.