Dr. Shyama  Prasad Mahapatra

Department Department of Chemistry
Designation Associate Professor
Educational Qualification Ph.D. (IIT Kharagpur), Post Doctor
E-Mail spmahapatra.chy@nitrr.ac.in
Contact Number 9098411198
Areas of Interest

Preparation and Characterization of Polymer Composites, Nanocomposites and Microcellular Composites.

Environmental Chemistry

Publications

LIST OF PUBLICATIONS

International Journals (SCI): 23

  1. J. Saji, A. Khare and S. P. Mahapatra (Corresponding Author) Impedance and dielectric spectroscopy of nano-graphite reinforced silicon elastomer nanocomposites, Fibers and Polymers, 16 (4) 883-893, 2015.                 DOI 10.1007/s12221-015-0883-2  http://link.springer.com/article/10.1007/s12221-015-0883-2?wt_mc=email.event.1.SEM.ArticleAuthorOnlineFirst 
  2. J. Saji, A. Khare and S. P. Mahapatra (Corresponding Author) Relaxation behavior of nano-graphite reinforced silicon elastomer nanocomposites, High Performance Polymers Journal, (Published Online), 1-11, February 2015.  http://hip.sagepub.com/content/early/2015/01/30/0954008314568729.abstract   
  3. S. K. Tiwari, R. N. P. Choudhary, S. P. Mahapatra (Corresponding Author), Dynamic mechanical and dielectric relaxation studies of chlorobutyl elastomer nanocomposites: effect of nano-graphite loading and temperature, High Performance Polymers Journal, (Published Online) 1-14, August 2014, DOI: 10.1177/0954008314545137                                              http://intl-hip.sagepub.com/content/early/2014/08/18/0954008314545137.abstract  
  4. S. K. Tiwari, B. P. Sahoo and S. P. Mahapatra (Corresponding Author) Physico-mechanical and dynamic mechanical studies of nano-graphite reinforced chlorobutyl nanocomposites, Plastics, Rubber and Composites: Macromolecular Engineering, 43 (5), 145-153, June 2014. DOI 10.1179/1743289814Y.0000000076.  http://www.maneyonline.com/doi/abs/10.1179/1743289814Y.0000000076
  5. Shashi Kant Tiwari, Ram Naresh Prasad Choudhary, Shyama Prasad Mahapatra (Corresponding Author) Effect of multiwalled-carbon-nanotube and temperature on dielectric and impedance spectroscopy of chlorobutyl elastomer nanocomposites, Journal of Elastomers and Plastics, 1-24, March 2014, DOI: 10.1177/0095244314526742. http://jep.sagepub.com/content/early/2014/03/18/0095244314526742.abstract 
  6. J. Saji, A. Khare, R. N. P. Choudhary and S. P. Mahapatra (Corresponding Author) Visco-elastic and dielectric relaxation behavior of multiwalled carbon-nanotube reinforced silicon elastomer nanocomposites (DOI: 10.1007/s10965-013-0341-z), Journal of Polymer Research, 21:341, January 2014.              http://link.springer.com/content/pdf/10.1007%2Fs10965-013-0341-z.pdf 
  7. S. K. Tiwari, B. P. Sahoo, S. P. Mahapatra (Corresponding Author), Morphology, mechanical, bound rubber, swelling and dynamic mechanical studies of chlorobutyl elastomer nanocomposites: effect of multiwalled carbon nanotube and solvent, Journal of Polymer Engineering; 34(1), 41-52, December 2013. DOI: 10.1515/polyeng-2013-0235,   http://www.degruyter.com/view/j/polyeng-ahead-of-print/polyeng-2013-0235/polyeng-2013-0235.xml
  8. J. Saji, A. Khare, R. N. P. Choudhary, S. P. Mahapatra (Corresponding Author), Impedance analysis, dielectric relaxation and electrical Conductivity of multiwalled carbon nanotube reinforced silicon elastomer nanocomposites, Journal of Elastomers and Plastics, 1-22,December 2013. DOI:10.1177/0095244313514991 http://jep.sagepub.com/content/early/2013/12/10/0095244313514991.full.pdf+html
  9. S. K. Tiwari, R. N. P. Choudhary, S. P. Mahapatra (Corresponding Author), Relaxation behavior of chlorobutyl elastomer nanocomposites: effect of temperature, multiwalled carbon nanotube and frequency, Journal of Polymer Research, 20:176, 1-12, May 2013. DOI 10.1007/s10965-013-0176-7.  http://link.springer.com/article/10.1007/s10965-013-0176-7#page-1
  10. S. P. Mahapatra (Corresponding Author), D. K. Tripathy and Y. Lee (Corresponding Author), Electrical Response of Microcellular EPDM Rubber Composites: Complex Dielectric Modulus Formalism and Current-Voltage Characteristics, Polymer Bulletin, 68 (7), 1965-1976, April 2012. DOI 10.1007/s00289-011-0699-1     http://link.springer.com/article/10.1007/s00289-011-0699-1#page-1
  11. Nga Thi To Dang, S. P. Mahapatra, V. Sridhar, Jin Kuk Kim, K. J. Kim and H. Kwak, Dielectric properties of nanotube reinforced butyl elastomer composites, Journal of Applied Polymer Sciences, 113(3), 1690-1700, August 2009. DOI: 10.1002/app.30166 http://onlinelibrary.wiley.com/doi/10.1002/app.30166/abstract.
  12. V. Sridhar, Deng Xu, Thanh Tu Pham, S. P. Mahapatra, Jin Kuk Kim, Dielectric and Dynamic Mechanical Relaxation Behavior of Exfoliated Nano Graphite Reinforced Flouroelastomer Composites, Polymer Composites, 30(3), 334-342, 2009. http://onlinelibrary.wiley.com/doi/10.1002/pc.20559/abstract.
  13. Deng Xu, V. Sridhar, S. P. Mahapatra and Jin Kuk, Kim, Dielectric properties of exfoliated graphite reinforced flouroelastomer composites, Journal of Applied Polymer Sciences, 111(3), 1358-1368, 2009.  http://onlinelibrary.wiley.com/doi/10.1002/app.29183/abstract.
  14. S. P. Mahapatra, V. Sridhar, R. N. P. Chowdhury and D. K. Tripathy, AC conductivity and positive temperature coefficient effect in microcellular EPDM vulcanizates; Polymer Composites, 29(10), 1125-1136, 2008.  http://onlinelibrary.wiley.com/doi/10.1002/pc.20383/abstract.
  15. S. P. Mahapatra (Corresponding Author), V. Sridhar, D. K. Tripathy, Jin Kuk Kim, H. Kwak (Corresponding Author), Dynamic Mechanical and Dielectric Relaxation Characteristics of microcellular EPDM Rubber Composites, Polymers for Advance Technology, 19(9), 1311-1322, 2008. http://onlinelibrary.wiley.com/doi/10.1002/pat.1133/abstract.
  16. S. P. Mahapatra and D. K. Tripathy, Rheological behavior of microcellular oil extended EPDM rubber compound: Effect of blowing agent, curing agent and conductive carbon black filler; Journal of Applied Polymer Sciences, 109(2), 1022-1030, 2008. http://onlinelibrary.wiley.com/doi/10.1002/app.28085/abstract.
  17. S. P. Mahapatra, V. Sridhar, and D. K. Tripathy, Impedance Analysis and Electromagnetic Interference Shielding Effectiveness of Conductive Carbon Black Reinforced microcellular EPDM Rubber vulcanizates; Polymer Composites, 29(5), 465-472, 2008.  http://onlinelibrary.wiley.com/doi/10.1002/pc.20421/abstract.
  18. S. P. Mahapatra, V. Sridhar, R. N. P. Chowdhury and D. K. Tripathy, Dielectric relaxation of Ensaco 350G reinforced microcellular EPDM vulcanizates, Polymer Composites, 28(5), 657-666, 2007.  http://onlinelibrary.wiley.com/doi/10.1002/pc.20325/abstract.
  19. S. P. Mahapatra, V. Sridhar and D. K. Tripathy, Dielectric studies of conductive carbon black reinforced microcellular EPDM vulcanizates; Journal of Applied Polymer Sciences, 106(1), 192-204, 2007.  http://onlinelibrary.wiley.com/doi/10.1002/app.25509/abstract.
  20. S. P. Mahapatra, V. Sridhar, R. N. P. Chowdhury and D. K. Tripathy, Relaxation behavior of conductive carbon black reinforced EPDM microcellular vulcanizates; Polymer Engineering and science, 47(7), 984-995, 2007.  http://onlinelibrary.wiley.com/doi/10.1002/pen.20715/abstract.
  21. S. P. Mahapatra and D. K. Tripathy, Dynamic mechanical properties of conductive carbon black reinforced closed cell microcellular oil extended EPDM rubber vulcanizates: effect of blowing agent, temperature, frequency and strain; Journal of Applied Polymer Sciences, 102(2), 1600-1608, 2006.  http://onlinelibrary.wiley.com/doi/10.1002/app.23927/abstract.
  22. S. P. Mahapatra and D. K. Tripathy, Compressive deformation and energy absorption characteristics of conductive carbon black reinforced microcellular EPDM vulcanizates; Cellular Polymers, 24(4), 209-222, 2005.     http://cat.inist.fr/?aModele=afficheN&cpsidt=17033353.
  23. S. P. Mahapatra and D. K. Tripathy, Morphology and physico-mechanical properties of closed cell microcellular EPDM rubber vulcanizates: effect of conductive carbon black and blowing agent; Cellular Polymers, 23(3), 127-144, 2004.  http://cat.inist.fr/?aModele=afficheN&cpsidt=15929148

Other International & National Journals: 03

  1. Janita Saji and S. P. Mahapatra, Morphology, Mechanical and Dynamic Mechanical Studies of Silicon Elastomer Nanocomposites, Journal of Basic and Applied Engineering Research, 1(9), October 2014, 33-38. (ISSN: 2350-0255).
  2. S. K. Tiwari, P. K. Choubey and S. P. Mahapatra (Corresponding Author), Chlorobutyl elastomer-multiwalled carbon nanotube nanocomposites as effective barrier materials, Journal of Metallurgy and Materials Science, 54 (4), Oct-Dec 2012, 279-289. (ISSN 0972-4257).  http://www.indianjournals.com/ijor.aspxtarget=ijor:jmms&volume=54&issue=4&article=004
  3. S. K. Tiwari, P. K. Choubey and S. P. Mahapatra, Bound rubber properties of chlorobutyl elastomer nanocomposites: effect of carbon nanotube and storage time, Journal of Metallurgy and Materials Science, 55 (3), July-September 2013, 187-193.(ISSN 0972-4257).       http://www.indianjournals.com/ijor.aspxtarget=ijor:jmms&volume=55&issue=3&article=003

International Conferences: 17

  1. S. K. Tiwari and S. P. Mahapatra (Corresponding Author), Relaxation behavior of nano-graphite reinforced chlorobutyl elastomer nanocomposites, International Conference on Advancements in Polymeric Materials APM 2014, Feb. 14-16, Cipet Bhubaneswar, India.  
  2. Janita Saji, A. Khare, S. P. Mahapatra (Corresponding Author), Morphology, mechanical, dynamic mechanical and percolation studies of silicon elastomer nanocomposites, International Conference on Advancements in Polymeric Materials APM 2014, Feb. 14-16, Cipet Bhubaneswar, India.
  3. S. K. Tiwari, B. P. Sahoo, S. P. Mahapatra (Corresponding Author), Physico-Mechanical, Dynamic Mechanical and Bound Rubber Properties of Nanographite Reinforced Chlorobutyl Nanocomposites, International Conference on Advances in Chemical Engineering, ICACE-2013, April 5th – 6th 2013, NIT Raipur, India.
  4. J. Saji, A. Khare, S. P. Mahapatra (Corresponding Author), Studies on Silicon Elastomer Nanocomposites: AC Conductivity and Positive Temperature Coefficient, International Conference on Advances in Chemical Engineering, ICACE-2013, April 5th – 6th 2013, NIT Raipur, India.
  5. S. K. Tiwari, B. P. Sahoo, S. P. Mahapatra (Corresponding Author), Morphology and Physico-mechanical, Properties of Nanographite Reinforced Chlorobutyl Nanocomposites, International Conerence, ICNC 2013, 12th – 14th March 2013, MG University, Kottayam, Kerala, India.
  6. J. Saji, S. P. Mahapatra (Corresponding Author) and Ayush Khare, Relaxation Behavior of Multiwalled Carbon Nanotube Reinforced Silicon Elastomer Nanocomposites, International Conference on Advancements in Polymeric Materials, 1st -3rd March 2013, CIPET-Lucknow, India.
  7. S. K. Tiwari and S. P. Mahapatra (Corresponding Author), Relaxation Behavior of Chlorobutyl Elastomer Nanocomposites, International Conference on Advancements in Polymeric Materials, 1st -3rd March 2013, CIPET-Lucknow, India.
  8. J. Saji, S. P. Mahapatra (Corresponding Author), S. Agrawal, D. Sahu, Physical and Mechanical Properties of Multiwalled Carbon Nanotube Reinforced Silicon Elastomer Nanocomposites, International Conference, IMPC-2012, IL 132, Page: 120, 23-25 March 2012, MG University, Kottayam, Kerala, India.
  9. S. K. Tiwari and S. P. Mahapatra (Corresponding Author), Morphology and Visco-Elastic Properties of Chlorobutyl Elastomer Nanocomposites: Effect of Multiwalled Carbon Nanotube Loading, OP-10, Page 28, Fourth Conference on Recent Advances in Polymer Technology, 2-3 March, 2012, North Maharashtra University, Jalgaon, India.
  10. S. K. Tiwari and S. P. Mahapatra (Corresponding Author), Chlorobutyl Elastomer Nanocomposites as Effective Barrier Materials, NanoSciTech 2012, International Conference, OL, 16-18 Feb. 2012, Punjab University, Chandigarh, India.
  11. S. K. Tiwari, S. P. Mahapatra (Corresponding Author), B. Sahoo, S. K. Pandey, Physico-Mechanical Properties of Multiwalled Carbon Nanotube Reinforced Chlorobutyl Elastomer Nanocomposites, International Conference, APM-2012, OP, Page 185, 10-12 Feb. 2012, CIPET, Ahmedabad, India.
  12. S. P. Mahapatra (Corresponding Author), S. Agrawal, D. K. Tripathy and S. K. Pandey, Temperature Dependent Dielectric Properties of Microcellular Rubber Composites, OP-A1, International Conference on FUCTIONAL POLYMERS, Page 29, Jan 28-30, 2011, NIT CALICUT, Kerala, India.
  13. S. K. Tiwary, S. P. Mahapatra (Corresponding Author) and S. K. Pandey, Electrical Conductivity of Multiwalled Nanotube Reinforced Butyl Elastomer Nanocomposites, International Conference, ICNC – 2011, 7th – 9th January 2011, IMSE-MG Univ., Kottayam, Kerala, India.
  14. S. P. Mahapatra (Corresponding Author), D. K. Tripathy and S. K. Pandey, Electrical Properties of Microcellular EPDM vulcanizates: Effect of Conductive Carbon Black and Blowing Agent, International Conference, ICPPC – 2010, page 181, 15th – 17th January 2010, IMSE – MG Univ., Kottayam, Kerala, India.
  15. S. P. Mahapatra (Corresponding Author), F. Khan, P. Chaudhary, V. Sridhar and D. K. Tripathy,  Dielectric Relaxation Properties of Butyl Elastomer Nano Composites, International Conference, PolymCon - 09, OP-4.2, Page 148-167, 9th – 11th January 2009, NIT, Calicut, Kerala, India.
  16. S. P. Mahapatra, V. Sridhar, J. K. Kim and H. Kwak, Dynamic Mechanical and Dielectric Relaxation Characteristics of Microcellular Rubber Composites, 19th Korea International Plastic and Rubber Show, B4, pp 117-122, Coplas-2008, 28th March 2008, KINTEX, SEOUL, South Korea.
  17. S. P. Mahapatra and D. K. Tripathy, Studies on Microcellular EPDM Vulcanizates: Effect of AC Conductivity and Positive Temperature Coefficient, India International Rubber Conference and Expo-2007, Paper 1D, 1-6, IRI, Hasetri, Rajasthan, India.
Other Info.

1. Joined NIT Raipur in 2008.

2. Research Award Recepient Fellow (2007), University of Ontario Institute of Technology, Oshawa, Canada.

3. Post Doctoral Fellow (2007-2008), Chung-Ang University, Seoul, South Korea. 

4. Supervision: Ph. D.: 02, M. Tech.: 01, B. Tech.: 19.

5. Sponsored Project Undertaken: Preparation and Characterization of Microcellular Elastomer Nanocomposites for Packaging and Semi-conducting Applications, CCost, Raipur, CG. 

6. Faculty In Charge Security 2013-2015.

7. Faculty In Charge NCC 2008-2014.

8. Assistant Examination Superintendent Since 2010.

9. Verification Officer, CCB, CSAB and JoSAA Since 2010.

10. Member, Departmental Academic Committee, DRC & other Departmental Committees, Department of Chemistry.

11. Member, DGC, Department of Chemistry, Department of Physics and Department of Mettallurgical Engineering.

12. External Member, Purchase Committee, Department of Physics & Department of Chemical Engineering.

13. Member, Cultural Committee NIT Raipur.