The Nonwoven Material Research Lab focuses on developing different nonwoven functional materials and characterizing of nonwoven materials.
Current Research
- The current research projects include:
- Designing the effective charging techniques for nonwoven filter media
- Stretchable cotton nonwovens
- Biodegradable/Compostable Meltbown Nonwovens for Filter media and other Applications
- Investigation of the Composition, Structure and Performance Characteristics of Flushable Nonwovens
- LightWeight Ballistic Materials with Improved Performance
- Processing and Characterization of Carbon Fibers from Alternative Precursors
Patents
- R. Vempati and G. S. Bhat, “Nanophase Mn (VII) oxide (NM7O) and Nanophase Mn (III) Oxide (NM3O) Incorporated Nonwovens,” US Patent 8 163 036, Issued April 21, 2012.
- G. S. Bhat, V. Narayanan and L. C. Wadsworth, “Dimensionally Stable Polyester Films, Fibers, Yarns and Melt Blown Nonwovens,” U. S. Patent 5 753 736 (issued May 19, 1998).
- K. E. Duckett, G. S. Bhat and Hagen Suh, “Compostable/Biodegradable Nonwovens,” U. S. Patent 5 783 505 (issued July 21, 1998).
Publications
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View All Pubs
- M. C. Evora, X. Lu, N. Hiremath, N. G. Kang, K. Hong, R. Uribe, G. Bhat and J. Mays, "Single-step process to improve the mechanical properties of carbon nanotube yarn." Beilstein Journal of Nanotechnology (2018) 9 (1), 545-554.
- N. Hiremath, M. C. Evora, A. K. Naskar, J. Mays, and G. Bhat, "Polyacrylonitrile nanocomposite fibers from acrylonitrile-grafted carbon nanofibers," Composites Part B: Engineering, (2017) 130, 64-69. https://doi.org/10.1016/j.compositesb.2017.07.031.
- G. Bhat, V. Kandagor, D. Prather and R. Bhave "Structure and Properties of Melt Blown Polyetherimide as High Temperature Filter Media," International Journal of Chemical, Molecular, Nuclear, Materials and Metallurgical Engineering (2017) 7, 11, 437-441.
- B. Yu, M. Wang, H. Sun, F. Zhu, J. Han and G. Bhat, "Preparation and Properties of Poly (lactic acid)/magnetic Fe3O4 Composites and Nonwovens," The Royal Society of Chemistry (2017) 7, 41929-41936. DOI: 10.1039/C7RA06427F
- X. Lu, N. Hiremath, K. Hong, M. C. Evora, V. H. Ranson, A. Naskar, G. S. Bhat, N. G. Kang and J. Mays, "Improving Mechanical Properties of Carbon Nanotube Fibers Through Simultaneous Solid-state Cycloaddition and Crosslinking," Nanotechnology, 28 (2017) DOI:10.1088/1361-6528/aa6223
- V Kandagor, D Prather, J Fogle, R Bhave, and G Bhat, "Processing, Structure and Properties of Melt Blown Polyetherimide, Journal of Textile Science and Engineering, (2017) 7 (2) 1-6.
- H. Sun, A. Xiao, B. Yu, G. Bhat and F. Zhao, "Effect of PLC and Compatibilizer on the Tensile and Barrier Properties of PLA/PCL Films," Polymer (Korea) (2017) 41, #2, 181-188. DOI:10.7317/pk.2017.41.2.181
- N. Hiremath, X. Lu, M. C. Evora, A. Naskar4, J. Mays and G. Bhat, "Effect of Solvent/Polymer Infiltration and Irradiation on Microstructure and Tensile Properties of Carbon Nanotube Yarns" Journal of Materials Science, (2016). DOI: 10.1007/s10853-016-0249-1
- Y. Yesil and G. Bhat, "Porosity and Barrier Properties of Polyethylene Melt Blown Nonwovens," Journal of Textile Institute, 108:6, 1035-1040, (2016). http://dx.doi.org/:10.1080/00405000.2016.1218109
- B. Yu, Z. Xuyang, K. Jinjin, Z. Feichao, G. Bhat, S. Hui and W. Peng, "Influence of Die-to-Collector Distance on Structure and Property of the PLA Meltblown Web," Rare Metal materials and Engineering, 45, 345-349 (2016).
- Y. Yesil and G. Bhat, "Structure and Mechanical Properties of Polyethylene Melt Blown Nonwovens," International Journal of Clothing Science and Technology, 28 (6), 780-793 (2016). http://dx.doi.org/10.1108/IJCST-09-2015-0099
- N. Hiremath, G, Bhat and J. Mays, "A Review of Carbon Nanotube Based Fibers and Yarns," Polymer Review, 57 (2) 339-368 (2016). http://dx.doi.org/10.1080/15583724.2016.1169546
- G. Bhat, "Advances in Polymeric Nanofiber Manufacturing Technologies," Journal of Nanomaterials and Molecular Nanotechnology, (2016). DOI: 10.4172/2324-8777.1000e108
- W. Han, X. Wang and G. S. Bhat, "Investigation of the Nanofiber Breakup in the Melt Blowing Process," Industrial and Engineering Chemistry Research, 55(11) 3150-3156 (2016). DOI:10.1021/acs.iecr.5b04472
- Y. Yesil and G. Bhat, "Porosity and Barrier Properties of Polyethylene Melt Blown Nonwovens," Journal of Textile Institute, (2016). DOI: 10.1080/00405000.2016.1218109
- W. Han, X. Wang and G. S. Bhat, "Investigation of the Nanofiber Breakup in the Melt Blowing Process," Industrial and Engineering Chemistry Research, (2016) DOI:10.1021/acs.iecr.5b04472
- N. Hiremath and G. Bhat, "Melt blown Polymeric Nanofibers for Medical Applications-An Overview" Nanosci Technol 2(1): pp 1-9 (2015).
- G. Bhat, "Meltblown Submicron Fibers for Filter Media and other Applications," International Fiber Journal, 29 (2), 20-23, (2015).
- G. Bhat, "Polymeric Nanofibers: Recent Technology Advancements Stimulating their Growth," Journal of Textile Science and Engineering, 5:185 (2015) doi: 10.4172/2165-8064.1000186
- V. Srivastava, R. Quinlan, A. Agapov, A. Kisliuk, G. Bhat, and J. Mays, "High-Yield Synthesis of Macroscale Conductive and Dispersible Carbon Nanostructures via Ultrasonication of Commercial Precursors" Industrial & Engineering Chemistry Research, 53 (23), pp 9781–9791 (2014) DOI: 10.1021/ie501659n
- V. Srivatsava, R. Quinlan, A. L. Agapov, K. M. Nelson, A. Sokolov, G. Bhat and J. Mays, "Macroscopic Properties of Restacked, Redox-Liquid Exfoliated Graphite and Graphite Mimics Produced in Bulk Quantities" Advanced Functional Materials, (2014) DOI: 10.1002/adfm.201400484.
- R. Hegde, J. E. Spruill and G. S. Bhat, "Investigation of the Morphology of Polypropylene-Nanoclay Nanocomposites," Polymer International, 63, 1112-1121 (2014)
- M. Lalagiri, G. Bhat, V. Singh, S. Parameswaran, R. J. Kendall and S. Ramkumar, "Filtration Efficiency of Submicron Filters," Industrial & Engineering Chemistry Research 52 (46), 16513-16518 (2013).
- P. Gulgunje, G. Bhat and J. E. Spruiell, "Influence of Molecular Orientation on the Melting Behavior of Poly (phenylene sulfide) Fibers," Journal of Engineered Fibers and Fabrics, 8(3), 83-88 (2013).
- R. R. Hegde, G. S. Bhat, J. E. Spruiell, and R Benson, "Structure and Properties of Polypropylene Nanoclay Composites," Journal of Polymer Research 20 (12), 1-13 (2013).
- W. Han, X. Wang and G. S. Bhat, "Structure and Air Permeability of Melt Blown Nanofiber Webs," Journal of Nanomaterials and Molecular Nanotechnology, 2:3 (2013). doi:http://dx.doi.org/10.4172/2324-8777.1000115
- R. Hegde, G. S. Bhat and B. Deshpande, "Crystallization kinetics and morphology of melt spun Poly (ethylene terephthalate) nanocomposite fibers," Express Polymer Letters, 7, 821-831(2013).
- R. Uppal, G. Bhat, C. Eash, and K. Akato, "Meltblown Nanofiber Media for Enhanced Quality Factor," Polymers and Fibers, Vol. 14 (4), 660-668 (2013).
- T. Lin, D. Luckas and G. S. Bhat, "Nanofiber Manufacture, Properties and Applications," Journal of Nanomaterials, vol. 2013, Article ID 368191 (2013).
- D. V. Parikh, B. Ingber, S. Nam, G. S. Bhat, M. Warnock and L. Harington, "Flame Retardant Cotton Barrier Nonwovens for Mattresses," Journal of Fire Science, Vol. 31(3), 276-290 (2013).
- G. S. Bhat and R. Nanjundappa, "Bond Structure and Tensile Properties of Thermal Bonded Polypropylene Nonwovens," Textiles and Light Industrial Science and Technology, Vol.2 (2) 49-53 (2013).
- R. Hegde, B. Deshpande and G. S. Bhat, "Morphology and Properties of Nylon 6 Blown Films Reinforced with Different weight percentage of Nanoclay additives." International Journal of Polymer Science 2012, Article ID 959035, 14 pages (2012).
- P. Gulgunje, G. Bhat and J. E. Spruiell, " Structure and properties enhancement in poly (phenylene sulfide) melt spun fibers-Part III: Effect of two zone drawing and annealing," Journal of Applied Polymer Science, 125, #3, 1693-1700 (2012).
- P. Gulgunje, G. Bhat and J. E. Spruiell, "Structure and Properties Development in Poly(phenylene sulfide) Fibers- Part II: Effect of One Zone Draw-annealing," Journal of Applied Polymer Science, 125, #3, 1890-1900 (2012).
- R. Hegde, J. E. Spruill and G. S. Bhat, "Different Crystallization Mechanisms in Polypropylene-Nanoclay Concentrates," Journal of Materials Research, 27, #10, 1360-1371 (2012).
- R. Uppal, G. Bhat, K. Akato, D. V. Parikh, S. Nam and B. Condon, "Antibacterial High Loft Cotton Nonwovens," Journal of Industrial Textiles, 41, #4, 281-291 (2012).
- P. Gulgunje, G. Bhat and J. E. Spruiell, "Structure and Property Development in Melt Spun PPS Fibers: Effect of Material and Melt Spinning Process Variables," Journal of Applied Polymer Science, 122, #5, 3110-3121 (2011).
- R. Hegde and G. S. Bhat, "Structure and Properties of Nanoclay Reinforced Polypropylene Spunbond Webs," Journal of Applied Polymer Science, 118, 3141-3155 (2010).
- R. Hegde and G. S. Bhat, "Nanoparticle Effects on Structure and Properties of Polypropylene Meltblown Webs," Journal of Applied Polymer Science, 115 (2), 1062-1072 (2010).
- G. S. Bhat and R. Uppal, "Melt Blown Nonwovens for Medical Applications," Polymer Society, 2(2) 26-29 (2009).
- R. Hegde, G. S. Bhat, and R. A. Campbell, "Properties and Performance of Bicomponent Fibers in Thermal Bonding," Nonwovens and Technical Textiles, 2, 33-39 (2009).
- M. G. Kamath, G. S. Bhat, D. V. Parikh and B. D. Condon, "Processing and Characterization of Flame Retardant Cotton Blend Nonwovens for Soft Furnishings to Meet Federal Flammability Standards," Journal of Industrial Textiles, 38(3), 251-262 (2009).
- G. S. Bhat, R. Hegde, M. G. Kamath and B. Deshpande, "Nanoclay Reinforced Fibers and Nonwovens," Journal of Engineered Fibers and Fabrics, 3(3), 22-34 (2008).
- R. R. Hegde, G. S. Bhat and R. A. Campbell, "Thermal Bonding of Polypropylene Films and Fibers," Journal of Applied Polymer Science, 110 (5), 3047-3058 (2008).
- G. S. Bhat and R. Kotra, "Development of Structure and Properties during Spunbonding of Metallocene Catalyzed Polypropylene," Polymer Plastics Technology and Engineering, 47(5), 542-549 (2008).
- G. S. Bhat, P. Gulgunje, and K. Desai, "Developments of Structure and Properties during Thermal Calendering of Polylactic Acid (PLA) Fiber Webs," eXPRESS Polymer Letters, 2(1), 49-56 (2008).
- G. S. Bhat and D. V. Parikh, "Cotton in Nonwovens," TAPPI Technical Information Paper, TAPPI, TIP#1205-02 (2008).
- G. Bhat, R. Hegde, P. Gulgunje and R. K. Vempati, "Nonwoven Fabrics with Enhanced Performance and Functionality Using Nanotechnology," Nonwoven and Technical Textiles, 1, P23-P28 (2007).
- D. V. Parikh, N. D. Sachinvala, Y. Chen, L. Sun, G. Bhat, and S. Ramkumar, "Acoustic Properties of Environmentally Benign Automotive Natural Fiber Composites," AATCC Review, 6(1), 43-48 (2006).
- Kamath, M. G., G. S. Bhat, D. Mueller, and D. V. Parikh. "Biodegradable/compostable composites from lingo-cellulosic fibers for automotive applications." SAE Transactions 114, no. 1 (2005): 1119-1129.
- R. Nanjundappa and G. S. Bhat, "Effect of Processing Conditions on the Structure and Properties of Polypropylene Spunbond Fabrics," Journal of Applied Polymer Science 98(6), 2355-2364 (2005).
- M. G. Kamath, G. S. Bhat, D. V. Parikh, and D. Mueller, "Cotton Fiber Nonwovens for Automotive Composites," International Nonwovens Journal, 13, 34-40 (2005).
- Subbiah, T., G. S. Bhat, R. W. Tock, S. Parameswaran, and S. S. Ramkumar, "Electrospinning of Nanofibers," Journal of Applied Polymer Science, 96(2), 557-569 (2005).
- H. Rong, R. V. Leon, and G. S. Bhat, "Statistical Analysis of the Effect of Processing Conditions on the Strength of Thermal Point-bonded Cotton-based Nonwovens," Textile Research Journal, 75(1), 35-38 (2005).
- G. S. Bhat, P. K. Jangala, and J. E. Spruiell, "Thermal bonding of Polypropylene Nonwovens: Effect of Bonding Variables on the Structure and Properties of the Fabrics," Journal of Applied Polymer Science, 92(6), 3593-3600 (2004).
- H. Rong and G. S. Bhat, "Binder Fiber Distribution and Tensile Properties of Thermally Point-bonded Cotton-based Nonwovens," Journal of Applied Polymer Science, 91(5), 3148-3155 (2004).
- Bhat, G. "Polymer laid nonwovens." Asian Textile Journal-Bombay- 13 (2004): 33-38.
- H. Rong and G. S. Bhat, "Preparation and Properties of Cotton-Eastar Nonwovens" International Nonwovens Journal, 53-57, Summer (2003).
- G. S. Bhat, S. Chand and J. E. Spruiell, "Role of Fiber Morphology in Thermal Bonding of PP," International Nonwovens Journal, 12-20, Fall (2002).
- G. S. Bhat, R. Nanjundappa, and R. Kotra, "Development of Structure and Properties during Spunbonding of Propylene Polymers," Thermochemica Acta, 392-393, 323-328 (2002).
- G. S. Bhat and S. R. Malkan, "Extruded Continuous Filament Nonwovens: Advances in Scientific Aspects," Journal of Applied Polymer Science, 83(3), 572-585 (2001).
- X. Gao, K. E. Duckett, G. S. Bhat, and H. Rong, "Effects of Water Treatment on Processing and Properties of Cotton/Cellulose Acetate Nonwovens," International Nonwovens Journal 10(2), 21-25 (2001).
- Duckett, K. E., G. S. Bhat, X. Gao, and H. Rong. "Advances in the thermal bonding of cotton/cellulose acetate nonwovens of untreated and aqueous pre-treated webs." Zeszyty Naukowe. Włókiennictwo/Politechnika Łódzka 11-16 (2000).
- S. Chand, G. Bhat, J. E. Spruiell, and S. Malkan "Structure and Properties of Polypropylene Fibers during Thermal Bonding," Thermochimica Acta, 367-368, 155-160 (2001).
- G. Bhat, S. Chand and S. Yakopson, "Thermal Properties of Elastic Fibers," Thermochimica Acta, 367-368, 161-164 (2001).
- G. S. Bhat, P. G. Wapner and W. P. Hoffman, "Processing of a High Temperature Imide Copolymer into Hollow Fibers," Materials and Manufacturing Processes, 15(4), 533-545 (2000).
- G. Bhat, V. Narayanan, L. Wadsworth, and M. Dever, "Conversion of Recycled Polymers/Fibers into Melt-Blown Nonwovens," Polymer-Plastics Technology and Engineering, 38(3), 499-511 (1999).
- D. Zhang, G. S. Bhat, S. Malkan, Q. Sun, and L. Wadsworth, "Development of Structure and Properties of Polypropylene Homopolymer and Copolymer Filaments during a Spunbonding Process," Journal of the Textile Institute, Part 1, 89(2) 289-303 (1998).
- D. Zhang, Q. Sun, G. Bhat, and L. Wadsworth, "Structure and Property Characterization of Spunbonded Filaments and Webs Using Thermal Analysis," Journal of Applied Polymer Science, 69(3), 421-434 (1998).
- D. Zhang, G. Bhat, S. Malkan, and L. Wadsworth, "Evolution of Structure and Properties in a Spunbonding Process," Textile Research Journal, 68(1), 27-35 (1998).
- G. S. Bhat and R. Schwanke "Thermal Properties of a Polyimide Fiber," Journal of Thermal Analysis, 49(1), 399-405 (1997).
- D. Zhang, G. Bhat, S. Malkan, and L. Wadsworth, "Structure and Properties of Polypropylene Filaments in a Spunbonding Process," Journal of Thermal Analysis, 49(1), 161-167 (1997).
- Zhang, D., G. Bhat, S. Malkan, and L. Wadsworth. "Effects of Spunbond Filament Properties on Resulting Web Structures." Nonwovens World 6 (1997): 65-72.
- H. Suh, K. Duckett, and G. Bhat, "Biodegradable and Tensile Properties of Cotton/Cellulose Acetate Nonwovens," Textile Research Journal, 66(4), 230-237 (1996).
- G. S. Bhat, "Future of Nonwoven Fabrics," Speculations in Science and Technology, 19, 149-155 (1996).
- G. S. Bhat, "Nonwovens as Three-Dimensional Textiles for Composites," Materials and Manufacturing Processes, 10(4), 667-688 (1995).
- G. S. Bhat, Y. Zhang, M. Dever, and L. C. Wadsworth, "Processing of Post-Consumer Recycled PET into Melt Blown Nonwoven Webs," International Nonwovens Journal, 6(3), 54-61 (1994).
- D. Zhang and G. S. Bhat, "Carbon Fibers from Polyethylene-Based Precursors," Materials and Manufacturing Processes, 9(2), 221-235 (1994).
- V. Narayanan, G. Bhat, L. Wadsworth, and D. Joy, "The Effect of Annealing on the Structure and Fracture Behavior of Melt Blown Polyester Webs," International Nonwovens Journal, 6(1) 42-46 (1994).
- D. Zhang and G. S. Bhat, "Thermal Characterization of Sulfonated Polyethylene Fibers," Thermochimica Acta, 226(6), 123-132 (1993).
- G. S. Bhat, L. H. Peebles, Jr., A. S. Abhiraman, and F. L. Cook, "Rapid Stabilization of Acrylic Fibers Using Ammonia: Effect on Structure and Morphology," Journal of Applied Polymer Science, 49(12), 2207-2219, (1993).
- G. Bhat, "Sonic Velocity of Melt-Blown Nonwoven Webs," INDA Journal of Nonwovens Research, 4(3) 26-28 (1992).
- G. S. Bhat, F. L. Cook, A. S. Abhiraman, and L. H. Peebles, Jr., "New Aspects in the Stabilization of Acrylic Fibers for Carbon Fibers," Carbon, 28(2-3), 377-385 (1990)
Members
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Gajanan Bhat
Georgia Athletic Association Professor of Fibers and Textiles and Department Head
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Avik Kumar Dhar
PhD Student & Research Assistant, Vice President TMI/GSC
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Ivan Moldavchuk
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