Staff
Dr. Biswajit Ray

Associate Professor
Ph.D (Jadhavpur univ.)
Contact Information:
Tel. +91-542-2307321; +91-542-6701601(o);Mobile:+91-9451622447; Fax:+91-542-2368127
Email Id:biswajitray2003@yahoo.co.in
Employee No. 17494

 
 
Academic Qualifications:
 
S. No.DegreeInstitutionYear
1.B.Sc. Chem(H)Calcutta University1989
2.M.Sc. (Pure Chem)Calcutta University1992
3.Ph. D. (Science)Jadhavpur University1998
 
Area of specialization:
Polymer and Gel Synthesis

 

 
Contact Information:
Postal Address: Department of Chemistry,Faculty of Science,Banaras Hindu University, Varanasi-221005, U.P., INDIA

 

 
Project Undertaken as PI: Projects completed: 02 (one DST & one CSIR) ; In hand: 01 (CSIR)
 

List of 10 major Publications:

  1. Ray, B.;and Mandal B.M.,1997, Dispersion Polymerisation of Acrylamide, Langmuir,13,2191-2196
  2. Ray, B.; Neyroud,T.G.,Kapon,M.;Eichen, Y.; and Eisen Moris S.; 2001, Synthesis, Characterisation, and Catalitic Activities for the polymerisation of Olefins Promoted by Zirconium(III) and Titanium(III) allyl complexes, Organomatallics, 20(14),3044-3055
  3. Ray, B.; Elhasri S.; Thierry, A.; Marie P.; and Guenet, J. M. 2002, Solvent induced crystallisation of syndiotactic Polystyrene. Thermodynamics and Morphology, Macromolecules, 35(26),9730-9736
  4. Ray, B.; Isobe, Y.; Morioka, K.; Habaue, S.; Okamoto Y.; Kamigatio M.; and Sawamoto, M.2003, Synthesis of Isotactic Poly(N-Isopropylacryamide) by RAFT Polymerization in the Presence of Lewis Acid,Macromolecules,36(3),543-545
  5. Ray, B.; Isobe, Y.; Morioka, K.; Habaue, S.; Okamoto Y.; Kamigatio M.; and Sawamoto, M.2004, RAFT Polymerization of N-Isopropylacryamide in the absence and presence of Y(OTf): Simultaneous Control of Molecular Weight and Tacticity, Macromolecules, 37(5),1702-1710
  6. Ray, B.; Okamoto, Y.; Kamigaito, M.; Sawamoto, M.; Seno, K.; Kanaoka, S.; and Aoshima, S. 2005, Effect of Tacticity of Poly(N-isopropylacrylamide) on the Phase separation Temperature of Its Aqueous Solution, Polymer Journal, 37(3), 1 - 4
  7. Yamago, S.; Ray, B.; Iida, K.; Yoshida, J.; Tada, T.; Yoshizawa, K.; Kwak, Y.; Goto, A.; and Fukuda, T. 2004, Highly Versatile Organostibine Mediators for Living Radical Polymerization, Journal of American Chemical Society, 126, 13908-13909
  8. Ray, B.; Kotani, M.; and Yamago, S. 2006, Highly Controlled Synthesis of Poly(N-vinylpyrrolidone) and Its Block Copolymers by Organostibine-Mediated Living Radical Polymerization, Macromolecules, 39(16), 5259-5265
  9. Yamago, S.; Kayahara, E.; Kotani, M.; Ray, B.; Kwak, Y.; Goto, A.; and Fukuda, T. 2007, Highly Controlled Living Radical Polymerization through Dual Activation of Organobismuthines, Angew. Chem. Int. Ed., 46(8), 1304-1306
  10. Biswas, C. S.; Patel, V. K.; Viswakarma, N. K.; Mishra, A. K.; Saha, S. and Ray, B. 2010, Synthesis and Characterization of Stereocontrolled Poly(N-isopropylacrylamide) Hydrogel Prepared in the prescence of Y(OTf)3, Langmuir, 26(9), 6775-6782
Full list of publications:
A. Research Papers in Reffered Journals:
  1. 1. Biswas, C. S.; Viswakarma, N. K.; Patel, V. K.; Mishra, A. K.; Saha, S.; and Ray, B. 2012, Synthesis and Study of the Properties of Stereocontrolled Poly(N-isopropylacrylamide) Gel and Its Linear Homopolymer Prepared in the Presence of Y(OTf)3 Lewis Acid: Effect of the Composition of Methanol-Water Mixtures as Synthesis Media, Langmuir, 28, 7014-7022
  2. Jana, K. K.; Ray, B.; Avasti, D. K.; and Maiti, P. 2012, Conducting Nano-channels in an Induced Piezoelectric Polymeric Matrix Using Swift Heavy Ions and Subsequent Functionalization, J. Material Chemistry, 22, DOI: 10.1039/c2jm15132d
  3. Patel, V. K.; Mishra, A. K.; Viswakarma, N. K.; Biswas, C. S.; and Ray, B. 2012, (S)-2-(Ethyl propionate)-(O-ethyl xanthate) and (S)-2-(Ethyl isobutyrate)-(O-ethyl xanthate)-mediated RAFT polymerization of Vinyl Acetate, J. Appl. Polym. Sci, 122, (in Press)
  4. Nakamura, Y.; Kitada, Y.; Kobayashi, Y.; Ray, B.; and Yamago, S. 2011, Quantitative Analysis of the Effect of Azo Initiators on the Structure of ?-Polymer Chain Ends in Degenerative Chain Transfer-Mediated Living Radical Polymerization Reactions, Macromolecules, 44, 8388-8397
  5. Biswas, C. S.; Patel, V. K.; Viswakarma, N. K.; Mishra, A. K.; Bhimireddi, R.; Rai, R. N.; and Ray, B. 2012, Synthesis, Characterization and Drug Release Properties of Poly(N-isopropylacrylamide) Gels Prepared in Methanol-Water Cononsolvent Medium, J. Appl. Polym. Sci, 122, (in Press)
  6. Banerjee, S.; Mishra, A.; Singh, M. M.; Maiti, B.; Ray, B.; and Maiti P. 2011, Highly Efficient Polyurethane Ionomer Corrosion Inhibitor: The Effect of Chain Structure, RSC Advances, 1, 199-210
  7. Biswas, C. S.; Patel, V. K.; Viswakarma, N. K.; Tiwari, V. K.; Maiti, B.; Maiti, P.; Kamigaito, M.; Okamoto, Y.; and Ray, B. 2011, Effect of Tacticity and Molecular Weight of Poly(N-isopropylacrylamide) on Its Glass Transition Temperature, Macromolecules, 44, 5822-5824
  8. Mishra, A. K.; Patel, V. K.; Viswakarma, N. K.; Biswas, C. S.; Raula, M.; Mishra, A.; Mandal, T. K.; and Ray, B. 2011, Synthesis of Well-defined Amphiphilic Poly(?-Caprolactone)-b-poly(N-vinylpyrollidone) Block Copolymers via the Combination of ROP and Xanthate-mediated RAFT Polymerization, Macromolecules, 44, 2465-2473
  9. Biswas, C. S.; Patel, V. K.; Viswakarma, N. K.; Mishra, A. K.; and Ray, B. 2011, Synthesis and Characterization of Porous Poly(N-isopropylacrylamide) Hydrogels Prepared in Ethanol-Water Mixtures, J. Appl. Polym. Sci, 121, 2422-2429
  10. Biswas, C. S.; Patel, V. K.; Viswakarma, N. K.; Mishra, A. K.; Saha, S. and Ray, B. 2010, Synthesis and Characterization of Stereocontrolled Poly(N-isopropylacrylamide) Hydrogel Prepared in the prescence of Y(OTf)3, Langmuir, 26(9), 6775-6782
  11. Patel, V. K.; Mishra, A. K.; Viswakarma, N. K.; Biswas, C. S.; and Ray, B. 2010, (S)-2-(Ethyl propionate)-(O-ethyl xanthate) and (S)-2-(Ethyl isobutyrate)-(O-ethyl xanthate)-mediated RAFT polymerization of N-vinylprrolidone, Polymer Bulletin, 65, 97-110
  12. Ghosh, S. K.; Jana, T.; Kumar, R.; and Ray, B., 2009, Self- Healing – Coating’s Perspective & Recent Advances, Paintindia 59(8), 85.
  13. Yamago, S.; Kayahara, E.; Kotani, M.; Ray, B.; Kwak, Y.; Goto, A.; and Fukuda, T. 2007, Highly Controlled Living Radical Polymerization through Dual Activation of Organobismuthines, Angew. Chem. Int. Ed., 46(8), 1304-1306
  14. Ray, B.; Kotani, M.; and Yamago, S. 2006, Highly Controlled Synthesis of Poly(N-vinylpyrrolidone) and Its Block Copolymers by Organostibine-Mediated Living Radical Polymerization, Macromolecules, 39(16), 5259-5265
  15. Kwak, Y.; Goto, A.; Fukuda, T.; Yamago, S.; and Ray, B. 2005, Mechanism and Kinetics of Organostibine-Mediated Living Radical Polymerization of Styrene, Zeitschrift fur Physikalische Chemie, 219(3), 283-293
  16. Ray, B.; Okamoto, Y.; Kamigaito, M.; Sawamoto, M.; Seno, K.; Kanaoka, S.; and Aoshima, S. 2005, Effect of Tacticity of Poly(N-isopropylacrylamide) on the Phase separation Temperature of Its Aqueous Solution, Polymer Journal, 37(3), 1 - 4
  17. Yamago, S.; Ray, B.; Iida, K.; Yoshida, J.; Tada, T.; Yoshizawa, K.; Kwak, Y.; Goto, A.; and Fukuda, T. 2004, Highly Versatile Organostibine Mediators for Living Radical Polymerization, Journal of American Chemical Society, 126, 13908-13909
  18. Ray, B.; Isobe, Y.; Matsumoto, K.; Habaue, S.; Okamoto, Y.; Kamigaito M.; and Sawamoto, M. 2004, RAFT Polymerization of N-Isopropylacrylamide in the Absence and Presence of Y(OTf)3 : Simultaneous Control of Molecular Weight and Tacticity, Macromolecules, 37(5), 1702-1710
  19. El Hasri, S.; Ray, B.; Thierry A.; and Guenet, J. -M. 2004, Solvent-Induced Organization of Amorphous Isotactic Polystyrene, Macromolecules, 37(11), 4124-4129.
  20. Ray, B.; Isobe, Y.; Habaue, S.; Kamigaito M.; and Okamoto, Y. 2004, Novel Initiating System for the Stereocontrolled Radical Polymerization of Acrylamides: Alkyl Bromide / Rare Earth Metal Triflate System,Polymer Journal, 36(9), 728-736.
  21. Ray, B.; Isobe, Y.; Morioka, K.; Habaue, S.; Okamoto, Y.; Kamigaito M.; and Sawamoto, M. 2003, Synthesis of Isotactic Poly(N-Isopropylacryamide) by RAFT Polymerization in the Presence of Lewis Acid, Macromolecules, 36(3), 543-545
  22. Ray, B.; Elhasri, S.; and Guenet, J. -M. 2003, Effect of Polymer Tacticity on the Molecular Structure of Polyelectrolyte/Surfactant Stoichiometric Complexes in Solutions and Gels The European Physical Journal E, 11, 315
  23. Ray, B.; Volkis, V.; Lisovskii, A.; and Eisen, Moris S., 2003 (volume date 2002), Polymerization of alpha-olefins using Benzamidinate Zirconium Complexes Supported on Mesoporous Silica Materials, Israel J. Chem., 42(4), 333-342
  24. Ray, B.; Elhasri, S.; Thierry, A.; Marie P.; and Guenet, J. -M., 2002, Solvent-Induced Crystallization of Syndiotactic Polystyrene. Thermodynamics and Morphology, Macromolecules, 35(26), 9730-9736
  25. Ray, B.; Neyroud, T. G.; Kapon, M.; Eichen, Y.; and Eisen, Moris S.; 2001, Synthesis, Characterization, and Catalytic Activities for the Polymerization of Olefins Promoted by Zirconium (III) and Titanium(III) allyl complexes, Organometallics, 20(14), 3044-3055
  26. Tismaneanu, R.; Ray, B.; Khalfin, R.; Semiat, R.; and Eisen, Moris S.; 2001, Synthesis, Characterization and Catalytic Activities of Actinide Th-MCM-41 and U-MCM-41 Hexagonal Packed Mesoporous Molecular Sieves, J. Molecular Catalysis A: Chemical, 171(1-2), 229-241
  27. Guha, S.; Ray, B.; and Mandal, B. M., 2001, Anomalous Solubility of Polyacrylamide Prepared by Dispersion (Precipitation) Polymerization in Aquous tert-Butyl Alcohol, J. Polym. Sci. Part A: Polym. Chem. Edn., 39(19), 3434-3442
  28. Ray, B.; and Mandal, B. M., 1999, Dispersion Polymerization of acrylamide using 2,2/-Azobisisobutyronitrile initiator, J. Polym. Sci. Part A: Polym. Chem. Edn., 37(4), 493-499
  29. Ray, B.; and Mandal, B. M., 1997, Dispersion Polymerization of Acrylamide, Langmuir, 13, 2191-2196
B. Reviews:
  1. Ghosh, S. K.; Jana, T.; Kumar, R.; and Ray, B., 2009, Self- Healing – Coating’s Perspective & Recent Advances, Paintindia 59(8), 85.
C. Papers in conference proceedings:
  1. Studies on Inverse Emulsion Polymerization of Acrylamide using Water Soluble Initiator 4,4/-azobis-4-cyanopentanoic acid,B.Ray,S.K.Ghosh and B.M.Mandal,Proceedings of the National Symposium on Macromolecules,Polymer Science Recent Advances,I. S. Bharadwaj(Ed.),Allied Publishers Ltd., India, 1994, Vol.1, p. 143-146
  2. Dispersion Polymerization of Acrylamide B.Ray,S.K.Ghosh and B.M.Mandal,Proceedings of the International Symposium on Macromolecules,Macromolecules Current Trends; S.Venkatachalam, V.C.Joseph, R.Ramswamy, V.N. Krishnamur-thy, Eds., Allied publishers Ltd.,India, 1995;Vol. I, p.82-85
  3. Effect of Reaction Parameters on the Dispersion Polymerization of Acrylamide,B.Ray and B.M.Mandal,Proceedings of the National Symposium on Macromolecules, Macromolucules New Frontiers, K.S.V. Srinivasan, Ed., allied Publishers Ltd., India, 1998, Vol.1, p.191-194
  4. Dispersion Polymerization of Acrylamide Using 2,2-Azo-bisisobutyronitrile Initiator B.Ray and B. M. Mandal.Proceedings of International Symposium on Disperse Systems, Calcutta, India; 11-15th Feb., 1998 ; p. 25.
  5. Anomalous Molecular Weight Results in Dispersion Polymerization of Acrylamide,B. Ray, S. Guha and B. M. Mandal.Proceedings of International Symposium on Polymer, Polymers'99 : Polymers Beyond AD 2000, Editor: A. K. Ghosh,Society for Polymer Science, India ;1999 ; p. 111- 113.
  6. Effects of Lewis Acids on the Stereospecificity in the Polymerization of Acrylamides using Living Radical Initiation Systems B. Ray, Y. Isobe, S. Habaue, Y. Okamoto, M. Kamigaito and M.Sawamoto Proceedings of IUPAC Polymer Conference on the Mission and challenges of Polymer Science and Technology (IUPAC-PC2002), PREPRINTS, 2002, p. 184.
  7. Porous Polymer Structures for Trapping Solvent Molecules J.-M.Guenet,B. Ray,S. Elhasri, A. Thierry and P. Marie,Proceedings of NATO Conference on the Role of Interfaces in Environmental Protection, 2003, S. Barany(ed.), Kulwer Academic Publishers, Netherlands, p.191-197
  8. Stereocontrolled RAFT Polymerization of NIPAM in the Presence of Lewis Acid B.Ray, Y.Isobe, S.Habaue, Y.Okamoto, M.Kamigaito and M. Sawamoto,Polymer Preprints, Japan 2003, vol. 52 No. 1 p. E 262
  9. RAFT Polymerization of Acrylamides and Methacrylamides in the Presence of Lewis Acids B.Ray, Y.Isobe, Y.Okamoto, M.Kamigaito and M. Sawamoto Polymer Preprints, Japan 2003, vol. 52 No. 2 p. 1261 Synthesis of Isotactic Poly(N-Isopropylacrylamide) Using RAFT Polymerization Technique and Study of Some Physical Properties of the Obtained PolymersB. Ray, Y. Isobe, M. Kamigaito, Y. Okamoto and M. SawamotoPolymer Preprints, Japan 2004, vol. 53 No. 1 p. 454
  10. Synthesis of Isotactic Poly(N-Isopropylacrylamide) Using RAFT Polymerization Technique and Study of Some Physical Properties of the Obtained Polymers B. Ray, Y. Isobe, M. Kamigaito, Y. Okamoto and M. Sawamoto Polymer Preprints, Japan 2004, vol. 53 No. 1 p. 454
  11. Tacticity Control during Radical PolymerizationY. Okamoto, M.Kamigaito,Y.Isobe and B.Ray Proceedings of M A C R O 2 0 0 4 -40th IUPAC World Polymer Congress Paris, France, July 4-9, 2004
  12. Organostibine-Mediated Living Radical Polymerization.Design of the Promoters and Confirmation of the Living Character S. Yamagao, K. Iida, B. Ray, J.-I. Yoshida Polymer Preprints, Japan 2004, vol. 53 No. 2 p. 2446-2447
  13. Organostibine-Mediated Living Radical Polymerization.Polymerization of Functionalized MonomersB. Ray and S. YamagaoPolymer Preprints, Japan 2004, vol. 53 No. 2 p. 2448-2449
  14. Free Radical Chemistry of Organostibines. Development of Highly Efficient Promoters for Controlled Living Radical PolymerizationS. Yamagao, K. Iida, B. Ray, J.-I. Yoshida Proceedings of the 51st Symposium on Organometallic Chemistry,Japan,October 22-23,2004,Tokyo p. 392-393
  15. Use of Organostibine as Mediator for Living Radical PolymerizationS. Yamagao, B. Ray, K. Iida, J. Yoshida Proceedings of the 11th International SPACC-CSJ Symposium, 6th OCU International Conference on Exotic System for Fundamental and Application of Hybrid Compounds,Japan, November 19-21, 2004, Osaka p. L03
  16. Organostibine-mediated Living Radical Polymerization S.Yamagao, B. Ray, K. Iida, J. Yoshida Proceedings of the National Conference'Polymer 2006'organized by the Polymer Society of India-Kolkata Chapter and Polymer Science Unit, Indian Association for the Cultivation of Science (IACS),Jadavpur,Kolkata 700 032 held at IACS, Kolkata during February 10-12, 2006,
  17. Organo-stibine Mediated Controlled Radical Polymerization of N-Vinyl-2-pyrrolidone S. Yamagao, B. Ray, K. Iida, J. YoshidaProceedings of the National Conference'Macro 2006'on Polymers for Advanced Technologies organized by the Polymer Society of India held at NCL,Pune during December 17-20'2006
  18. Organo bismuthines Mediated Living Radical Polymerization S.Yamago, E.Kayahara, M.Kotani, B.Ray, Y.Kwak, A.Goto, and T.Fukuda,Proceedings of the colloquium on Perspectives in Polymer Science and Technology organized by the Polymer Society of India-Kolkata Chapter and Polymer Science Unit,Indian Association for the Cultivation held at IACS,Kolkata on 22.12.2007
  19. Characterization of Stereocontrolled Poly(N-isopropylacrylamide) Gel in the Presence of Lewis acid Chandra Sekhar Biswas, Vijay Kumar Patel, Avnish Kumar Mishra, Niraj Kumar Vishwakarma, Biswajit Ray Proceedings of the National Conference'MID-CRSI-in-Chemistry 2009'held at SGSITS, Indore during December 17-20, 2009
  20. Synthesis of Well-defined Amphiphilic Poly(?-Caprolactone)-b-Poly(N-Vinylpyrrolidone) Block Copolymers Avnish Kumar Mishra, Vijay Kumar Patel, Niraj Kumar Vishwakarma, Chandra Sekhar Biswas, Biswajit Ray Proceedings of the National Conference'12th-CRSI-in-Chemistry 2010'held at IICT, Hyderabad during February 5-7, 2010
D. Patents:
    . Shigeru Yamago, Biswajit Ray, Takashi Kameshima, Kazuhiro Kawano on'Organic Antimony Compound, Process for Producing the same, Living Radical Polymerization Initiator, Process for Producing Polymer Using the Same, and Polymer' having no.s WO 2006/001496 & EP 1 767 539 A1