Susy Varughese    

Department of Chemical Engineering,

Indian Institute of Technology, Madras

Chennai – 600 036

Tel: 044 22574172, Fax: 044 -2257 4152, Email: susy[at]iitm.ac.in

 

 

         

 

Academic Background

 

  • B.Tech, Cochin University of Science and Technology, Cochin, India
  • Ph.D Indian Instiute of Technology, Kharagpur, India
  • Post-Doctoral Fellow, Cambridge University Engineering Department, Cambridge, UK

 

Publications

International Journals

 

1.      Rohit Vijay, Abhijit p. Deshpande and Susy Varughese, Nonlinear rheological modeling of asphalt using White-Metzner model with structural parameter variation based asphaltene structural build-up and breakage, Applied Rheology, 18(2) pp 23214-23228, 2008

2.      Shivendra Upadhayay, M. Vishwanth, Vaideesh K. Subbaraj and Susy Varughese, Swelling and diffusion characteristics of polar and a non-polar polymers in asphalt, Journal of  Applied Polymer Science, 109, 135-143, 2008

3.      R. Vetri Murugan, S. Bharat, Abhijit P. Deshpande, Susy Varughese and Prathap Haridoss, Milling and separation of the multi-component printed circuit board materials and the analysis of elutriation based on a single particle model, Powder Technology, 183, 169-176, 2008

4.      S. Balakrishnan, Susy Varughese and Abhijit P.Deshpande, Micellar characterisation of saponin from Sapindus mukorossi, Tenside, Sufactants and Detergents, 43, 5 262-268, 2006

5.      D. Murugan, Susy Varughese and T.Swaminathan, Recycled polyolefin-based plastic wastes for sound absorption, Polymer-Plastics Technology & Engineering, 45, 885-8, 2006

6.      M.V. Ramana, Dennis George Thomas and Susy Varughese, Estimating Nuclear Waste in India, Current Science, Vol. 81, 11, p101-105 Dec. 2001.

7.      Susy Varughese and D. K. Tripathy Effect of mode of filler addition and concentration on the dynamic mechanical properties of epoxidised natural rubber - cis-1,4-polybutadiene rubber blend, Journal of  Applied Polymer Science, 49, 6, 1115, 1993

8.      Susy Varughese and D. K. Tripathy Investigation on the reinforcement mechanism of silica filled epoxidised natural rubber, Indian Journal of Natural Rubber Research,1 , 55, 1993

9.      Susy Varughese and  D. K. Tripathy , Dynamic mechanical properties of epoxidised natural rubber vulcanizates - Effect of curing system and aging, Polymer Degradation and Stability, 38, 7, 1993

10.  Susy Varughese and  D. K.Tripathy, Effect of plasticizer type and concentration on the dynamic mechanical properties of epoxidised natural rubber vulcanizates Journal of Elastomers and Plastics, 25 , 4, 343, 1993

11.  Susy Varughese and D. K. Tripathy, Rubber-filler interaction studies-A dynamic mechanical thermal analysis approach, Plastics, Rubber and Composites - Processing and Applications, 17 , 4, 219, 1992

12.  Susy Varughese and D. K. Tripathy , Chemical interaction between epoxidised natural rubber and silica-studies on cure characteristics and low temperature  dynamic mechanical properties,  Journal of Applied Polymer Science, 10, 1847, 1992

13.  Susy Varughese, D. K. Tripathy and S. K .De, Low strain dynamic mechanical properties of carbon black and clay filled epoxidised natural rubber, Journal of Elastomers and Plastics, 23, 1, 34, 1991

14.  Susy Varughese, D. K. Tripathy and S. K .De Epoxidised natural rubber as a dry adhesive for metal to metal bonding , Journal of Adhesion Science and Technology, 4, 847, 1990

15.  Susy Varughese, D. K. Tripathy and S. K .De, Studies on epoxidised natural rubber-cis-1,4-polybutadiene  rubber blends, Kautchuk Gummi Kunststoffe, 10, 810, 1990

 

     National Conferences

 

1.      Abhimanyu Deshpande, K. Gururaj, Susy Varughese, G. Amarendra and C.S. Sundar, Positron Annihilation Lifetime Spectroscopy studies on polyvinyl alcohol and its blends, 52nd DAE Solid State Physics Symposium, 27 - 31 December 2007, Mysore

  1. V.O. Rejini and Susy Varughese, Thermal and mechanical properties of conducting polyaniline/ethylene vinyl acetate blends with single and mixed dopants,  Poster presented at MACRO 2006, Poster No. SPP-P-61, Session on Polymers and Energy, 9th National Conference, Polymers for Advanced Technologies, December 17 - 20, PUNE, 2006

3.      Dennis George Thomas and Susy Varughese, Fracture behaviour of polymer modified asphalt,  Chemcon 2001, December 2001, Chennai

4.      Susy Varughese and D.K.Tripathy, Effect of silica and silane coupling agent in natural rubber and epoxidised natural rubber with special reference to the dynamic mechanical properties, Rubbercon 93, New Delhi , Feb 1993, pp 74-79

 

Presented at International Conferences

 

  1. P. Kanakasabai, Abhijit .P. Deshpande and Susy Varughese, Effect of crosslinking conditions on proton conductivity of PVA based membranes for fuel cell applications, Proceedings of International Conference on Polymeric Materials  in Power Engineering, pp, ICPMPE-07- V B-3, pp 1-4, ICMPE-07, Bangalore, 2007
  2. D. Murugan, Satyajit Ray, Susy Varughese and T. Swaminathan, Environment friendly processing of plastic wastes, International Conference on Plastics and Environment- Opportunities and Challenges, New Delhi, 2003
  3. R. Vetrimurugan, A. P. Deshpande, S. Sankara Narayanan, Susy Varughese and Prathap Haridoss, Studies on size reduction and air classification of printed circuit boards for material recycling, International Seminar on Mineral Processing Technology (MPT 2005), pp 113-122, Dhanbad, January 2005.
  4. Vetri Murugan RA., A. P. Deshpande, Susy Varughese, P. Haridoss, Recycling of printed circuit boards, International Seminar on Advances in Polymer Technology, pp 334-341, Kochi, Jan 2004
  5. Susy Varughese, Hugh Hunt and Alan Muhr, Dynamic behaviour of elastomeric railpads, International Conference on Rubbers , Calcutta, (Dec 12-14, 1997), pp131-135

 

            Courses

    • Introduction to design (UG level)
    • Polymeric materials (UG level)
    • Chemical Technology (UG level)
    • Ecological Engineering (UG level)
    • Polymers for devices (PG level)
    • Polymers (PG level)

         

          Research guidance

 

      Ph.D Students and topics

 

·         D. Murugan, Recycling of high volume plastic wastes based on polyolefins and Polystyrene (with Dr. T. Swaminathan)

·         V. O. Rejini, Preparation and characterization of conducting blends of polyaniline with EVA, PMMA and PVA

·         P. Kanaksabai, Studies on PVA based membranes for fuel cell applications (with Dr. Abhijit Deshpande)

·         P. Vijay, Inkjet printing of conducting PEDOT-PSS dispersions–spreading characteristics and rheology

 

     M.S students and topics

 

·         S. Balakrishnan, Characterization and applications of natural surfactants: micellar structure and rheology of saponin from Sapindus mukorossi (with Dr. Abhijit Deshpande)

·         Abhimanyu P. Deshpande,  Free volume studies on PVA systems

·         Mahesh. A, Development of fuel cell membranes from SPEEK/PES blends (with Dr. Abhijit Deshpande)

 

M.Tech/Dual Degree B.Tech

 

·         Jadhav Satyajith. R, Free volume theory for polymer-polymer system: Diffusion and glass transition temperature, 1999

·         A.S. Shaikh, Structure related rheology of asphalt, 2000

·         Pankaj Dhepe, Rheological behaviour of asphalt, 2001

·         Deepak K. Samal, Free volume study on polymers and polymer-polymer systems, 2002

·         M. Jayeshbhai Yashwantbhai, Polymer-clay nanocomposite, 2003

·         Satyajit Roy, High-volume plastic recycling – Process development and property evaluation, 2003

·         Sridhar. K, Studies on polyacrylamide solutions used in electrophoresis, 2004

·         A. Venkata Subrahmanyam, Mechanical and sorption properties of crosslinked polyvinyl alcohol films, 2006

·         K. Mohan Reddy, Recycling of polymer and paper waste, 2007

·         Rahul Vyas, Spreading behaviour of conducting PEDOT-PSS systems under electric field for inkjet printing

·         P. Vinay, Effect of stretching on the conducting behaviour of polyaniline/EVA blends

 

     Research Projects

 

  • Principal Investigator, Development of eco-friendly disposable cups based on white clay,  Socially Relevant Projects, IIT Madras, Co-investigator: Dr. Anju Chadha, Department of Biotechnology
  • Co-investigator, Development of polymer blend membranes for fuel cell applications,  Naval Research Board, Dr. Abhijit Deshpande, Department of Chemical Engineering, (P.I)

·         Co-Investigator, Recycling of printed circuit boards, 2005-08, MHRD, Principal Investigator, Dr. Abhijit Deshpande, Chemical Engineering, Co-investigators: Dr. Pratap Haridoss, Dr. K.C. Harikumar and Dr. S.K Seshadri (Metallurgical and Materials Engineering)

·         Development of a polymer engineering laboratory, MHRD (Modernization), April 2002 – March 2005, PIs: Susy Varughese, A. P. Deshpande and N. R. Neelakanthan

 

     Research Based Industrial Consultancy Projects

 

·         Co-Investigator, Solution to failure problem in non-metallic joints, BHEL, Trichy, 2003-04, Dr. N.R. Neelakantan, Chemical Engineering , Principal investigator and Dr. M. Balasubramanian, COMPTEC, Co-investigator

·         Principal Investigator, Solution to the bonding of paper related products, 2002,  M/s Raj Lubricants, Chennai, Co-investigator: Dr. Abhijit Deshpande, Chemical Engineering

  • Principal Investigator, Suitability analysis of polymers for corrosive applications, 2004-2006,  High Energy Batteries Ltd. Trichy, Co-investigator: Dr. Abhijit Deshpande, Chemical Engineering

·         Principal Investigator, Solution to the adhesion problem of bitumen and coal tar based coating materials, 1998, M/s IWL India Ltd. Chennai, Co-investigator: Dr. Abhijit Deshpande, Chemical Engineering

 

      Continuing education programs/conferences organised

 

1.      STTP-CEP workshop on Advanced polymeric materials for electronic and electrochemical applications, July 2-7, 2007 (Co-organiser: Dr. Abhijit P. Deshpande, Department of Chemical engineering)

2.      Fundamentals of Emulsion Polymers and Composites, M/s Raman Boards, Mysore, 2000, (Co-organisers: Dr. Abhijit Deshpande, Department of Chemical Engineering, Dr. P. Malhotra, COMPTEC, IIT Madras)

 

            On-going research activities

 

  • Studies on electron and proton conducting polymers
  • Free volume and diffusion in polymeric systems
  • Recycling of high volume plastic based wastes (polyolefins, expanded polystyrene) and printed circuit board wastes
  • Recycling of domestic grey water using ecological methods