::PROFESSOR SABUTHOMAS::


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•	International Conference on Nanostructred Materals and Nanocomposites, ICNM, 2009, April 6-8,2009, Kottayam, Kerala, India
•	International Conference on Polymer Blends, Composites, IPNs and Gels: Macro to Nano Scales – (ICBC – 2008), September, 2008, Kottayam, Kerala, India
•	International Conference on Natural Polymers, their Blends, Composites, IPNS, Gels:Macro to Nanoscales, November 2007, Kottayam, Kerala, India
•	Interntional Conference on Polymer Processing: May 2007, Beijing, China
•	International Conference on Polymer Blends, Composites, IPNs and Gels: Macro to Nano Scales – (ICBC – 2005), Kottayam, Kerala, India
•	Recent Advances in Polymer Blends and Composites (2002)
•	Recent Advances in Polymer Technology (2000)
•	UGC Refresher Course Mahathma Gandhi University, (2000)
•	UGC Refresher Course Mahathma Gandhi University, (1998)

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Presentation in Conferences Seminars during 1986 – 2005:

	Presentation in Conferences Seminars 2009
•	Investigation of polymer blend miscibility on a nanoscale by fluorescence spectroscopy Invited talk at Macro Symposium, in Chennai, March, 2009
•	Natrtual fiber reiforced polymer compoisites, PPS Conference, Invited tlakGoa, Feb, 2009

	Presentation in Conferences Seminars 2008
•	Epoxy based nanocomposties, invited talk, Uni du Maine, Lemans France, \ April 20,2008

	Presentation in Conferences Seminars 2007
•	Green composites, invited talk, Invited talk, Paris 12 uni, Paris, France April 25,2007
•	Recent Advances in Polymer Nanocompostes, Invited tlak at the ICPP, Beijing, Chaina, April 30,2007

	Presentation in Conferences Seminars 2006
•	Polymer Nanocomposites, , Invited tlak at BUCT, Beijing China,, April 25,2006

	Presentation in Conferences Seminars 2005
•	Ecofriendly Composites: - Plenary talk at the International Polymer Materials Engineering Conference China, Bejing, September 18-21, 2005
•	Textiles for Sustainable Development: - Kenote talk 2005 FAO/ ESCORENA International Conference on Pot Elizabeth, South Africa, 23-! 27 October, 2005

	Presentation in Conferences Seminars 2004
•	Micro and Nanostructurred Epoxy based blends:-Invited talk International Conference on Macromolecules, Trivandrum,Kerala, India 2004
•	Epoxy/SAN Blends, Invited talk, IUPAC Macro, Paris, France 2004

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	Presentation in Conferences Seminars 2003
•	Influnece of processsing parameters on the phase morphology development in Nylon-6/ PS blends, S.V. Nair, S. Thomas, 90th Session of Indian Science Congress, Bangalore, January 3-7, 2003
•	Cure kinetics morphology of blends of epoxy resin with poly (ether ether ketone) containing pendant tertiary butyl groups, B. Francis, R. Ramaswamy, S. Thomas, 90th Session of Indian Science Congress, Bangalore, January 3-7, 2003
•	Development of high performance phenol formaldehyde composites reinforced with banana fibre glass fibre, S. Joseph, S. Thomas, 90th Session of Indian Science Congress, Bangalore, January 3-7, 2003
•	Design of latex membranes based on natural rubber (NR)/ carboxylated styrene butadiene rubber (XSBR) latex blends for gas transport, R. Stephen, S. Thomas, 90th Session of Indian Science Congress, Bangalore, January 3-7, 2003

	Presentation in Conferences Seminars 2002
•	Natural fibre composites: aging studies, S.Thomas, 10th European Conference on Composite Materials (ECCM-10), Brugge- Belgium, June 3-7, 2002
•	Cellulose fibre reinforced composites: New challenges and opportunities, S. Thomas, Polymerwerkstoffe 2002, Halle (Saale), Germany, September 25- 27, 2002
•	Cure kinetics morphology of blends of epoxy resin modified with poly ( ether ether ketone) containing pendant tertiary butyl groups, S. Thomas, Proceedings of the 7th European Symposium on Polymer Blends, Lyon, France, May 2002
•	Comparing the properties of banana/PF glass/PF composites, S. Joseph, S. Thomas, 89th Session of Indian Science Congress, Lucknow, India, January 3-7, 2002
•	Melt rheological studies of Nylon- 6/ PS blends, S.V. Nair, S. Thomas, 89th Session of Indian Science Congress, Lucknow, India, January 3-7, 2002
•	Potentiality of banana fibre as a reinforcement in phenolic resols, S.Joseph S. Thomas 14th Session of Kerala Science Congress, Cochin, Kerala, India January, 2002

	Presentation in Conferences Seminars 2001
•	Mechanical properties of banana/PF composites, S. Joseph S. Thomas, Swadeshi Science Congress held at Kerala Forest Research Institute(KFRI), Peechi, Kerala, India- November, 2001
•	The Effect of Fillers on the Rheological Behaviour of Natural Rubber (NR)/ Carboxylated Styrene Butadiene Rubber (XSBR) Latices their Blends, R. Stephen, S. Thomas, Swadeshi Science Congress held at Kerala Forest Research Institute(KFRI), Peechi, Kerala, India- November, 2001
•	Mechanical properties of banana/PF glass/ PF composites: A comparison, S. Joseph, S. Thomas, Indian Institute of Metals, Trivrum, Kerala, India, January, 2001
•	Curing characteristics, physical, mechanical viscoleastic properties of natural rubber cured with a new binary accelerator system, A. S. Aprem, S. Thomas, Proceeding of 8th International Conference on Elastomers, LeMans, France, 9-11 May 2001
•	Natural fibre reinforced polymer composites, S. Thomas, Key note speaker Proc ACUN-3 "Technology Convergence in Composites Applications", UNSW, Sydney, Australia; 6-9 Feb 2001
•	Reinforced Polymer Composites, S. Thomas, Proceedings of the USM-JIRCAS Joint International Symposium, Malasiya, 20-22 March 2001
•	Mechanical properties of banana/PF composites, S. Joseph S. Thomas, Swadeshi Science Congress held at Kerala Forest Research Institute(KFRI), Peechi, Kerala, India- November, 2001
•	Banana fibre as potential reinforcement in polyester matrix, A. Pothen, Proceedings of the USM-JIRCAS Joint International Symposium, Malasiya, 20-22 March 2001
•	Interfacial Phenomena in Natural Fiber Reinforced Polymer Composites, S. Thomas, Proceedings of the International Conference on Materials for Advanced Technologies, Singapore, 1-6 July, 2001
•	Dynamic Mechanical analysis of chemically modified banana fibre polyester composites, L. A. Pothen, S. Thomas, Proceedings of the International Conference on Materials for Advanced Technologies, Singapore, 1-6 July, 2001

	Presentation in Conferences Seminars 2000
•	Design and development of a neaw thermoplastic elastomer from high density poly ethylene ethylene vinyl acetate, B. John Z. Oommen, S. Thomas: Proceedings of the Twelth Kerala Science Congress held at Kumily, Jan. 27-29, 2000.
•	Melt rheology extrudate morphology of polystyrene/nylon-6 blends, S. V. Nair, Z. Oommen, S. Thomas: Proceedings of the Twelth Kerala Science Congress held at Kumily, Jan. 27-29, 2000.
•	Mastication compounding of styrene butadiene rubber with short fibres, P. Kumar, G. P. Nair, S. Thomas: Proceedings of the Twelth Kerala Science Congress held at Kumily, Jan. 27-29, 2000.
•	Polarity parameter of chemically modified banana fibres by means fo solvatochromic techniques, L. A. Pothen, Y. Zimmermann, S. Thomas, S. Spange: Proceedings of the Twelth Kerala Science Congress held at Kumily, Jan. 27-29, 2000.
•	Effect of mixing taime on the phase morphology development of polystyrene/polybutadience blends, S. Joseph, S. Thomas: Proceedings of the Twelth Kerala Science Congress held at Kumily, Jan. 27-29, 2000
•	Effect of chemical modifications on the mechanical performance of oil palm fibre reinforced phenol formaldehyde composites M. S. Sreekala, M. G. Kumaran S. Thomas: Proceedings from the 3rd International symposium on natural polymers composites - ISNaPol/2000, held at Brazil, May 14-17, 2000
•	The viscoelastic properties of bbanana fibrere inforced polyester composites, L. A. Pothen, Z. Oommen, S. Thomas: Proceedings from the 3rd International symposium on natural polymers composites - ISNaPol/2000, held at Brazil, May 14-17, 2000
•	Banana fibre as potential reinforcement in polyester matrix, A. Pothen, Proceedings of the USM-JIRCAS Joint International Symposium, Malasiya, 20-22 March 2001
•	Interfacial Phenomena in Natural Fiber Reinforced Polymer Composites, S. Thomas, Proceedings of the International Conference on Materials for Advanced Technologies, Singapore, 1-6 July, 2001
•	The role of matrix interactions on the mechaical, viscoelastic flow characteristics of cellulose fibre reinforced composites S. Thomas, Proceedings from the 7th Internatinal Conference on Composite Engineering (ICCE 7) held at Denver, USA, July 2-8, 2000
•	The role of carbon black/rubber interaction on transport properties, S. Thomas, S. C. George, T. Johnson, M. S. Sreekala, Proceedings of the International Conference on Carbon Black, Mulhouse, France, October 24-25, 2000

	Presentation in Conferences Seminars 1999
•	Dynamic vulcanisation reactive compatibilisation of heterogeneous ethylene propylene rubber (EPM)/nylon 6 blends, S. Thomas G. Groeninckx: Proceeding of the PPS-15 meeting held at Netherlands, May 31-June 4, 1999
•	Mechanical properties of sorption studies of jute sack cloth reinforced polypropylene composites, K. Joseph, K.R. Harikumar, B. James, S. Thomas, LH De carvalho: Proceeding of the PPS-15 meeting held at Netherls, May 31-June 4, 1999
•	Mechanical performance of oil palm fibre/PF oil palm-glass hybrid fibre/PF composites: Improved interactions hybrid effect, S. Sreekala S. Thomas: Proceeding of the PPS-15 meeting held at Netherls, May 31-June 4, 1999
•	Tensile impact properties of banana glass hybrid polyester composites, L. A. Pothen, S. Thomas: Proceeding of the PPS-15 meeting held at Netherls, May 31-June 4, 1999
•	Melt rheology morphology of uncompatibilised nylon-6/ethylene propylene rubber blends, Z. Oommen, S. Thomas, G. Groeninckx, PM Moldenaers, JM Mewis: Proceeding of the PPS-15 meeting held at Netherls, May 31-June 4, 1999
•	Phase morphology Development in reactively compatibilised uncompatibilised EPR/Nylon 6 Blends: Effect of mixer type on morphology Z. Oommen, P. van Puylede J. Mewies, S. Thomas, G. Groeninckx, Proceeding of the 6th European symposium on polymer blends helt at Mainz, Germany on May 16-19, 1999.
•	Reactive compatibilisation dynamic vulcanisation of nylon/EPM rubber blends, S. Thomas G. Groenickx: Proceeding of the 6th European symposium on polymer blends helt at Mainz, Germany on May 16-19, 1999

	Presentation in Conferences Seminars 1998
•	Interfacial modification of heterogeneous natural rubber/poly(methyl methacrylate) blends, Z.Ommen, S. Thomas : Proceedings of the IUPAC MACRO, 1998; Madras, India
•	Reactive compatibilisation of heterogeneous ethylene-propylene rubber/nylon 6 blends, S. Thomas, G. Groeninckx: Proceedings of the IUPAC MACRO, 1998; Madras, India
•	Cost effective composite materials from oil palm fibre phenol formaldehyde resin, S. Sreekala, M. G. Kumaran, S. Thomas: Proceedings of the IUPAC MACRO, 1998; Madras, India
•	Transport behaviour of Nylon-6/ethylene-propylene rubber blends, S. C. George, G. Groeninckx, S. Thomas: Proceedings of the IUPAC MACRO, 1998; Madras, India
•	Cost-effetive ecofriendly composite materials from PALF LDPE, J. George, S. S. Bhagawan, S. Thomas: Proceedings of the IUPAC MACRO, 1998; Madras, India
•	Shear flow rheological properteis of sisal fiber reinforced SBR melts, R. Prasantha Kumar, R. Ramamurthy, S. C. Schit, S. Thomas: Proceedings of the IUPAC MACRO, 1998; Madras, India
•	Viscoelastic behaviour of crosslinked NBR/EVA blends, H. Varghese, S. S. Bhagawan, S. Thomas: Proceedings of the IUPAC MACRO, 1998; Madras, India
•	Rheological properties polypropylene/acrylonitrile-butadiene blends, S. George, K. T. Varughese, S. Thomas: Proceedings of the IUPAC MACRO, 1998; Madras, India
•	Dynamic mechanical thermal analysis of NR/PS/NR-g-PS blends, R. Asaletha, G. Groeninckx, S. Thomas: Proceedings of the IUPAC MACRO, 1998; Madras, India

	Presentation in Conferences Seminars 1997
•	Melt rheology of natral rubber/polystyrene blends, R. Asaletha and S. Thomas: European symposium on Polymer blends, Maastricht May 12-15, The Netherlands
•	Reactive compatibilisation of nylon/EPR blends, S. Thomas G. Groeninckx: Proceedings of the PPS meeting, Goteborg, Sweden,1997

	Presentation in Conferences Seminars 1996
•	Morphology properties of NBR/EVA blends, H. Varghese, S.S. Bhagawan S. Thomas: Proceedings of the eighth Kerala Science Congress, Jan. 1996
•	Utilisation of natural rubber latex condom waste as a potential filler in epoxidised natural rubber, G. Mathew S. Thomas: Proceedings of the eighth Kerala Science Congress, Jan. 1996
•	Separation of organic liquid mixtures by pervaporation using natural rubber membranes, G. Unnikrishnan S. Thomas: Proceedings of the eighth Kerala Science Congress, Jan. 1996
•	Effect of prevulcanization on the viscosity of natural rubber/styrene butadiene rubber latex blends, J. T. Varkey, S.S. Rao S. Thomas: Proceedings of the eighth Kerala Science Congress, Jan. 1996
•	Effect of temperature water absorption on the mechanical properties of pineapple fibre reinforced polyethylene composites, J. George, S. S. Bhagawan, S. Thomas: Proceedings of the eighth Kerala Science Congress, Jan. 1996
•	Morphology mechanical properties of thermoplastic elastomers from nylon-nitrile rubber blends, C. Radhesh kumar, S. Thomas: Proceedings of the eighth Kerala Science Congress, Jan. 1996
•	Morphology processing conditions of elastomer composites from short sisal fibre styrene butadiene rubber (SBR), R. Prasanthakumar S. Thomas: Proceedings of the eighth Kerala Science Congress, Jan. 1996
•	Diffusion of aromatic hydrocarbon through crosslinked nitrile rubber membranes, A.E. Mathai S. Thomas: Proceedings of the eighth Kerala Science Congress, Jan. 1996
•	Electrical properties of the surface treated short sisal fibre reinforced LDPE composites, Paul, S. Thomas: Proceedings of the eighth Kerala Science Congress, Jan. 1996
•	Molecular transport of aromatic hydrocarbons through crosslinked epoxidised natural rubber, T. Johnson, S. Thomas: Proceedings of the eighth Kerala Science Congress, Jan. 1996
•	Tearing behaviour of in compatible compatible blends of isotactic polypropylene nitrile rubber, S. George, K. T. Varughese, S. Thomas: Proceedings of the eighth Kerala Science Congress, Jan. 1996
•	Separation of aliphatic chlorinated hydrocarbon-acetone mixtures by pervaporation using poly(ethyleneco-vinyl acetate) membranes, S. Anilkumar, M. G. Kumaran, S. Thomas: Proceedings of the eighth Kerala Science Congress, Jan. 1996
•	Natural rubber-polystyrene blends technological compatibilisation studies, R. Asaletha, M. G. Kumaran, S. Thomas: Proceedings of the eighth Kerala Science Congress, Jan. 1996
•	Development of nitrile rubber-styrene plastic based thermoplastic elastomers for high engineering application: Compatibilisation, morphology melt flow studies, Mathew, K. N. Ninan S. Thomas: Proceedings of the eighth Kerala Science Congress, Jan. 1996
•	The effect of vulcanising systems on the molecular transport of aromatic hydrocarbons through styrene butadiene rubber membranes, S. C. George, K. N. Ninan S. Thomas: Proceedings of the eighth Kerala Science Congress, Jan. 1996
•	Melt rheological behaviour of natural rubber/poly(methyl methacrylate)/natural rubber-g-poly(methyl methacrylate) blends, Z. Oommen S. Thomas: Proceedings of the eighth Kerala Science Congress, Jan. 1996

	Presentation in Conferences Seminars 1995
•	Rheological behaviour of nitrile rubber compounds containing liquid natural rubber, N. Radhakrishnan Nair, M. Susamma Joseph, N.M. Mathew, S. Thomas: Proceedings of the international symposium on Macromolecules, Macro '95 held at V.S.S.C. Thiruvananthapuram, Jan. 11-13, 1995.
•	Sorption diffusion of n-alkanes through crosslinked cis-1,4 polybutadiene, James. J. Manikathu, S. Thomas: Proceedings of the international symposium on Macromolecules, Macro '95 held at V.S.S.C. Thiruvananthapuram, Jan. 11-13, 1995.
•	The processability mechanical properties of short sisal fibre reinforced styrene butadiene rubber composites, R. Prasanthakumar, M. L. Geethakumari Amma, S. Thomas: Proceedings of the international symposium on Macromolecules, Macro '95 held at V.S.S.C. Thiruvananthapuram, Jan. 11-13, 1995.
•	Morphology, properties, compatibilisation of nitrile rubber/polyolefin blends, S. George, J. George, S. Thomas, and K.T. Varughese: Proceedings of the international symposium on Macromolecules, Macro '95 held at V.S.S.C. Thiruvananthapuram, Jan. 11-13, 1995.
•	Structure build up during the flow of natural rubber styrene butadiene rubber latex blends, J.T. Varkey, S.Thomas, S.S. Rao: Proceedings of the international symposium on Macromolecules, Macro ‘95 held at V.S.S.C. Thiruvananthapuram, Jan. 11-13, 1995.
•	Interfacial activity of natural rubber-g-polystyrene, in heterogeneous natural rubber/polystyrene blend, R. Asaletha, M.G. Kumaran, S. Thomas: Proceedings of the international symposium on Macromolecules, Macro '95 held at V.S.S.C. Thiruvananthapuram, Jan. 11-13, 1995.
•	The effect of vulcanizing systems on the diffusion, transport of aromatic hydrocarbons through natural rubber, G. Unnikrishnan, S. Thomas: Proceedings of the Seventh Kerala Science Congress, Jan. 1995, Palakkad
•	Effect of fibre loading on interfacial adhesion engineering properties of Sisal/SBR composites, R. Prasantha Kumar, M.L.Geethakumari Amma, S.Thomas: Proceedings of the Seventh Kerala Science Congress, Jan. 1995, Palakkad
•	Utilisation of natural rubber latex waste as a potential filler in styrene butadiene rubber compounds, George Mathew, S. Thomas, Lakshmi Narayanan: Proceedings of the Seventh Kerala Science Congress, Jan. 1995, Palakkad
•	Dielectric properties of short coir fibre reinforced LDPE composites: A comparison with carbon black glass fibre filled LDPE composites, Augustine Paul, K. Joseph, S. Thomas: Proceedings of the Seventh Kerala Science Congress, Jan. 1995, Palakkad.
•	Development of hot oil resistant elastomers from nitrile rubber/polystyrene blends: Compatibilisation processing characteristics, Monsy Mathew. S. Thomas, K.N. Ninan, S.M. Diwan: Proceedings of the Seventh Kerala Science Congress, Jan. 1995, Palakkad.
•	Compaibilization NR/PS blends, R. Aseletha, M.G. Kumaran, S. Thomas: Proceedings of the Seventh Kerala Science Congress, Jan. 1995, Palakkad.
•	Correlation of morphology with the viscoelastic behaviour of NBR/EVA blends, H. Varghese, S.S. Bhagawan, S. Thomas: Proceedings of the Seventh Kerala Science Congress, Jan. 1995, Palakkad.
•	Short fibre-elastomer composites: Effect of fibre length, orientation, loading bonding agent, R.P. Kumar, A. Geethakumari, S. Thomas: Proceedings of the 6th AGM Symposia of MRSI held in IIT, Kharagpur, Feb. 8-10., 1995.
•	Use of pineapple fibres as reinforcement in low density polyethylene composites: Studiens on mechanical properties, J. George, S. Thomas, S.S. Bhagawan: Proceedings of the 6th AGM Symposia of MRSI held in IIT, Kharagpur, Feb. 8-10., 1995.
•	Composite of short coir fibres natural rubber: Effect of fibre modification on engineering properties, V.G. Geethamma, S. Thomas, R. Lakshminarayana: Proceedings of the 6th AGM Symposia of MRSI held in IIT, Kharagpur, Feb. 8-10, 1995.
•	Stress relaxation behaviour of short sisal fibre reinforced natural rubber composites, S. Thomas, S. Varghese, B. Kuriakose: Proceedings of the.6th AGM Symposia of MRSI held in IIT, Kharagpur, Feb. 8-10. 1995.
•	Heterogeneous natural rubber-polystyrene blends: Influence of NR graft-PS as a compatlibilizer,R. Asaletha, M.G. Kumaran, S. Thomas: Proceedings of the 6th AGM Symposia of MRSI held in IIT, Kharagpur, Feb. 8-10., 1995.
•	Study of structure development during the flow of natural rubber/ SBR latex blend, J.T. Varkey, S. Thomas, S.S. Rao: Proceedings of the 6th AGM Symposia of MRSI held in IIT, Kharagpur, Feb.8-10, 1995.
•	Morphological mechanical properties of thermoplastic elastomers from nitrile rubber isotactic polypropylene, S. George, S. Thomas, K.T. Varughese: Proceedings of the 6th AGM Symposia of MRSI held in IIT, Kharagpur, Feb. 8-10, 1995.
•	Tensile impact strength of blends of polyethylene nitrile rubber: Effect of blend ratio compatibilization, J. George, K.T. Varughese, S. Thomas: Proceedings of the 6th AGM Symposia of MRSI held in IIT, Kharagpur, Feb. 8-10, 1995.
•	Effect of morphology on the mechanical properties of NBR/EVA blends, H. Varghese, S.S. Bhagawan, S. Thomas: Proceedings of the 6th AGM Symposia of MRSI held in IIT, Kharagpur, Feb. 8-10., 1995.
•	A study of phase separation of poly (styrene-co- acrylonitrile)/poly(methyl methacrylate) by excime fluoresence spectroscopy, S.Thomas: Proceedings of the abstract of the national seminar of Rubber Blends held at R.R.I.I. Kottayam, India,Nov.14, 1995
•	Effect of dyn88amic vulcanisation in the mechanical properties of polyethyline/nitrile rubber blends, J.George, K.T. Varughese, S. Thomas: Proceedings of the abstract of the national seminar of Rubber Blends held at R.R.I.I. Kottayam, India, Nov.14, 1995
•	Blends of Isotactic polypropylene nitrile rubber: Effect of blend ratio on morphology, dielectric, mechanical properties, S.George, K.T.Varughese S. Thomas: Proceedings of the abstract of the national seminar of Rubber Blends held at R.R.I.I. Kottayam, India, Nov.14, 1995
•	Effect of prevalanization on the control of viscosity of natural rubber/styrene - butadine latex blends, J.T. Varkey, S.S. Rao S. Thomas: Proceedings of the abstract of the national seminar of Rubber Blends held at R.R.I.I. Kottayam, India, Nov.14, 1995
•	Use of natural rubber latex condom waste as potential filler in styrene butadine rubber compounds, G.Mathew S.Thomas: Proceedings of the abstract of the national seminar of Rubber Blends held at R.R.I.I. Kottayam, India, Nov.14, 1995

	Presentation in Conferences Seminars 1994
•	Coir fibre reinforced natural rubber composites: Effect of fibre length orientation, V.G. Geethamma, S. Thomas, N.M. Mathew: Proceedings of the Sixth Kerala Science Congress held in Thiruvananthapuram, Jan. 27-29, 1994.
•	Rheological behaviour of blends of natural rubber styrene butadiene rubber lattices, J. T. Varkey, S. Thomas, S.S. Rao: Proceedings of the Sixth Kerala Science Congress held in Thiruvananthapuram, Jan. 27.29, 1994.
•	Viscoelastic properties of short pineapple fibre reinforced ion density polyethylene composites, J.George, S. Thomas, S.S. Bhagawan: Proceedings of the Sixth Kerala Science Congress held in Thiruvananthapuram, Jan. 27.29, 1994.
•	Electrical properties of short sisal fibre filled low density polyethylene composites, Paul, K. Joseph, S. Thomas: Proceedings of the Sixth Kerala Science Congress held in Thiruvananthapuram, Jan. 27.29, 1994.
•	Swelling behaviour of short sisal fibre reinforced natural rubber composites, S. Varghese, B. Kuriakose, S. Thomas, N.M. Mathew: Proceedings of the Sixth Kerala Science Congress held in Thiruvananthapuram, Jan. 27.29, 1994.
•	Dynamic mechanical analysis of the blends of nitrile rubber ethylene vinyl acetate copolymer, H. Varghese, S. Thomas, S.S. Bhagawan: Proceedings of the Sixth Kerala Science Congress held in Thiruvananthapuram, Jan. 27.29, 1994.
•	Flammability behaviour of natural rubber compounds containing phosphorus modified ELNR, N.R. Nair, N.M. Mathew, S. Thomas: Proceedings of the Sixth Kerala Science Congress held in Thiruvananthapuram, Jan. 27.29, 1994.
•	Mechanical viscoelastic properties of pineapple fibre reinforced low density polyethylene composites, J. Geroge, K. Joseph, S. Thomas S.S. Bhagawan: Proceedings of the Polymers '94, held in Vadodara Feb. 8-10, 1994.
•	Glass/sisal hybrid fibre reinforced low density polyethylene composites, G. Kalaprasad, K. Joseph, S. Thomas C. Pavithran: Proceedings of the Polymers '94, held in Vadodara Feb. 8-10, 1994.
•	Dielectric properties of nitrile rubber/high density polyethylene blends, J. George, S. Thomas K. T. Varghese: Proceedings of the Polymers '94, held in Vadodara Feb. 8-10, 1994.
•	An investigation of polymer blend miscibility by excimer fluorescence spectroscopy, S. Thomas: Proceedings of the Polymers '94, held in Vadodara Feb. 8-10, 1994.
•	Effect of ageing on the physical mechanical properties of sisal fibre reinforced polyethylene composites, K. Joseph, S. Thomas C. Pavithran: Proceedings of the Polymers '94, held in Vadodara Feb. 8-10, 1994.
•	Degradation behaviour of short-sisal fibre reinforced natural rubber composites, S. Varghese, B, Kuriakose, S. Thomas, N.M. Mathew: Proceedings of the Polymers '94, held in Vadodara Feb. 8-10, 1994.
•	Rheological properties of natural rubber/styrene butadiene rubber latex blend, J.T. Varkey, S. Thomas S.S. Rao: Proceedings of the Polymers '94, held in Vadodara Feb. 8-10, 1994.
•	A Study on blends of nitrile rubber ethylene (vinyl acetate) copolymer, H. Varghese, S. Thomas K.T. Varghese: Proceedings of the Polymers '94, held in Vadodara Feb. 8-10, 1994.
•	Dielectric properties of thermoplastic elastomers from nitrile rubber isotactic polypropylene blends, S. George, S. Thomas, K.T. Varghese: Proceedings of the Polymers '94, held in Vadodara Feb. 8-10, 1994.
•	Diffusion transport of aromatic hydrocarbons through natural rubber, G. Unnikrishnan S. Thomas: Proceedings of the Polymers '94, held in Vadodara Feb. 8-10, 1994
•	Short coir fibre reinforced natural rubber composites: Evaluation of strength interfacial adhesion, V.G. Geethamma, R. Joseph, S. Thomas: Proceedings of the International Symposium on Biocomposites blends based on jute allied fibres held in Delhi, Dec. 1-2, 1994.
•	Tensile properties of short sisal fibre reinforced styrene butadiene rubber composites, R.P. Kumar, M.L. Geethakumari Amma S. Thomas: Proceedings of the International Symposium on Biocomposites blends based on jute allied fibres held in Delhi, Dec. 1-2, 1994.
•	Viscoelastic properties of short sisal fibre reinforced low density polyethylene composites: A comparison with short glass fibre composites, S. Thomas, K. Joseph, C. Pavithran: Proceedings of the International Symposium on Biocomposites blends based on jute allied fibres held in Delhi, Dec. 1-2, 1994.
•	Fibre-matrix interactions in pineapple fibre reinforced polyethylene composites, J. George, S.S. Bhagawan, S. Thomas: Proceedings of the International Symposium on Biocomposites blends based on jute allied fibres held in Delhi, Dec. 1-2, 1994.
•	High density polyethylene/acrylonitrile butadiene Rubber Blends: Morphology, mechanical properties compatibilization, S. Thomas, J. George K.T. Varughese: Proceedings of the IUPAC International symposium held in Taipei, Taiwan, Nov. 14-16, 19

	Presentation in Conferences Seminars 1993
•	Studies on the rheological behaviour of liquid natural rubber, N.R. Nair, N.M. Mathew, S. Thomas, S.S. Rao: Proceedings of the Fifth Kerala Science Congress held in Kottayam, Jan. 28-30, 1993.
•	RThermal mechanical behaviour of flame retardant compositions from blends of PVC, EVA SAN, P.P. Lizymol S. Thomas: Proceedings of the Fifth Kerala Science Congress held in Kottayam, Jan. 28-30, 1993
•	Effect of acetylation of sisal fibre bonding agent on the mechanical properties of natural rubber-short sisal fibre composites, S. Varghese, B. Kuriakose, S. Thomas: Proceedings of the Fifth Kerala Science Congress held in Kottayam, Jan. 28-30, 1993.
•	Effect of blend ratio crosslinking system on the engineering properties of natural rubber-ethylene vinyl acetate copolymer blends, A.T. Koshy, B. Kuriakose, S. Thomas: Proceedings of the Fifth Kerala Science Congress held in Kottayam, Jan. 28-30, 1993.
•	Compatibilising effect of graft copolymers in heterogeneous natural rubber/poly (methylmethacrylate) blends, Z. Oommen, M.R.G. Nair S. Thomas: Proceedings of the Fifth Kerala Science Congress held in Kottayam, Jan. 28-30, 1993.
•	Sisal/polyethylene composites-effect of fibre length orientation, K. Joseph, S. Thomas, C. Pavithran: Proceedings of the Fifth Kerala Science Congress held in Kottayam, Jan. 28-30, 1993.
•	Studies on the effect of blend ratio crosslinking system on thermal, x-ray dynamic mechanical properties of natural rubber/ethylene-vinyl acetate copolymer blends, A.T. Koshy, S.Varghese, B, Kuriakose S. Thomas: Proceedings of the 16th IRM/PRA rubber conferences, Bombay, March 29-30, 1993.

	Presentation in Conferences Seminars 1992
•	Studies on microcellular sheets from NR-EVA blends, A. T. Koshy, B. Kuriakose, S. Thomas: Proceedings of the International Natural Rubber Conference held in Bangalore, Feb- 5-8, 1992.
•	Dynamic mechanical properties of short sisal fibre reinforced natural rubber composites, S. Varghese, B. Kuriakose, S. Thomas : Proceedings of the International Natural Rubber Conference held in Bangalore, Feb- 5-8, 1992.
•	Mechanical properties fracture behaviour of sisal-polymer composites, K. Joseph, S. Thomas, C. Pavithran: Proceedings of the 4th Kerala Science Congress, Trichur, Feb. 27-29, 1992.
•	Vulcanisation kinetics properties of NR-EVA blends, A. T. Koshy, B. Kuriakose, S. Thomas: Proceedings of the 4th Kerala Science Congress, Trichur, Feb. 27-29, 1992.
•	Melt rheological behaviour of short sisal fibre reinforced polyethylene composites, K. Joseph, C. Pavithran, S. Thomas: Proceedings of the PPS-8, New Delhi, March 24-27, 1992.
•	Miscibility behaviour of natural rubber-ethylene-vinyl acetate copolymer blends, A. T. Koshy, S. Thomas, B. Kurikose, S. Thomas: Proceedings of the PPS-8, New Delhi, March 24-27, 1992.
•	Physical mechanical properties of short sisal fibre reinforced polyethylen composites, K. Joseph, S. Thomas, C. Pavithran: Proceedings of the PPS-8, New Delhi, March 24-27, 1992.
•	Stress-relaxation behaviour of short sisal fibre reinforced natural rubber composites, S. Varghese, B. Kuriakose, S. Thomas, A. T. Koshy: Proceedings of the PPS-8, New Delhi, March 24-27, 1992.
•	Morphology of compatibilized NR/PMMA blends, Z. Oommen, M. R. G. Nair, S. Thomas: Proceedings of PRI Conference, Calcutta, Nov. 12-13, 1992.

	Presentation in Conferences Seminars 1991
•	P. Lizymol, S. Thomas: Procedings of the 28th annual conference of chemists, Jadavapur Univesity, Culcutta, Dec. 17-21, 1991.

	Presentation in Conferences Seminars 1990
•	Melt flow behaviour of thermoplastic elastomers from EVA/PP blends, S. Thomas: Proceedings of the 33rd IUPAC International Symposium on Macaromolecules (MACRO 90) held in Montreal, Canada, July 8-13, 1990
•	Natural rubber/ethylene-vinyl acetate copolymer blends: thermal X-ray viscoelastic properties, A. T. Koshy, S. Thomas, B. Kuriakose: Proceedings of the 33rd IUPAC International Symposium on Macromolecules (MACRO 90) held in Montreal, Canada, July 8-13, 1990.
•	Effect of matrix on mechnical properties fracture behaviour of sisal-polymer composites, K. Joseph, S. Thomas, C. Pavithran: Proceedings of the 33rd IUPAC International Symposium on Macromolecules (MACRO 90) held in Montreal, Canada, July 8-13, 1990.

	Presentation in Conferences Seminars 1989
•	Dynamic mechanical properties of EVA/PP blends, S.Thomas: Proceedings of ANTEC (SPE conference) held in New York, 1989.

	Presentation in Conferences Seminars 1988
•	Advances on the use of polymeric materials in dental applications, S. Thomas: Proceesings of second national conference on Biomaterials Artifical Organs, held at IIT, Delhi, April 13-14, 1988
•	Processability studies of thermopllastic elastomers from blends of polypropylene ethylene-vinyl acetate copolymer, S.Thomas: Proceeding of National Seminar of ‘Elastomers Processing Applications’ held at Oberoi Gr Hotel, Calcutta, June 18, 1988

	Presentation in Conferences Seminars 1986
•	Studies on the thermoplastic elastomers from blends of polypropylene ethylene-vinyl acetate rubber, S. Thomas, B. R. Gupta S. K. De: Proceeding of International Rubber Conference held at Jamshedpur, Nov. 6-8, 1986, p.132
•	Ambient dielectric behaviour of flexible polymer blends, S.Thomas, D. Khasatgir: National Seminar on ‘Ferroelectrics Delectricts’ held at IIT, Kharagpur, Dec. 22-24, 1986.
•	Studies on blends of crosslinkable polyethylene (XLPE) ethylene propylene diene rubber (EPDM), G. B. No, S. Thomas, P. B. Paptra: Proceedings of International Rubber Conference held at Jamshedpur, Nov. 6-8, 1986, p.225.

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