Pitt | Swanson Engineering
Velankar, Sachin Shankar
Chem/Petroleum Engineering
Velankar, Sachin Shankar
Faculty
Associate Professor
Office: 927 Benedum Hall
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Ph.D. in Chemical Engineering, University of Delaware, 1999

B.S. in Chemical Engineering, Indian Insitute of Technology, 1993

(2009) ASEE Air Force Summer Faculty Fellowship.

(2008) MPE2 Best Mentor Award, University of Pittsburgh.

(2006) Faculty Honor Roll, Dept. of Chemical Engineering, University of Pittsburgh.

(2004) NSF-CAREER award.

(1999) Research Council Junior Fellowship, Katholieke Universiteit Leuven, Belgium.

(1997) Graduate Teaching Fellowship Award, Department of Chemical Engineering, University of Delaware, Spring 1997.

(1997) University Competitive Fellowship, University of Delaware.

(1996) R.L. Pigford Teaching Assistant Award, University of Delaware.

(1996) University of Delaware Excellence in Teaching Award.

Breid, D., Lai, V., and Velankar, S.S., 2013, "Modes of folding during swelling-induced delamination of crosslinked polymer films. (preparation)," Soft Matter, Manuscript submitted for publication.

Chatterjee, S., and Velankar, S.S., 2013, "SMA-elastomer composites for reversibly-morphing surfaces," Advanced Materials, Manuscript submitted for publication.

Zhang, J.T., Wang, L., Chao, X., Velankar, S.S., and Asher, S.A., In press, "Vertical spreading of two-dimensional crystalline colloidal arrays," Journal of Materials Chemistry C.

Nagarkar, S.P., and Velankar, S.S., 2012, "Rheology and structure in polymer blends with interfacially-adsorbed particles," Journal of Rheology, Manuscript submitted for publication.

Peng, S.C., Nagarkar, S.P., and Velankar, S.S., 2012, "A circuit model for the pressure-controlled generation of bubbles in a microfluidic device," Microfluidics and Nanofluidics, Manuscript submitted for publication.

Jaramillo, M., Singh, S., Velankar, S.S., and Kumta, P.N., "Inducing endoderm differentiation by modulating mechanical properties of soft substrates," To appear in Journal of Tissue Engineering and Regenerative Medicine.

Wulandana, R.A., and Velankar, S.S., "Random modulus perturbation method for direct numerical simulations of elastic instabilities. (in preparation)," Manuscript submitted for publication.

Medberry, C.J., Crapo, P.M., Siu, B.F., Carruthers, C.A., Wolf, M.T., Nagarkar, S.P., Agrawal, V., Jones, K.E., Kelly, J., Johnson, S.A., Velankar, S.S., Watkins, S.C., and Badylak, S.F., 2013, "Hydrogels Dervied from Central Nervous System Extracellular Matrix," Biomaterials, vol.34, pp. 1033-1040.

Velankar, S.S., Lai, V., and Vaia, R.A., 2012, "Swelling-induced delamination causes folding of surface-tethered polymer gels," ACS App. Mat. Int., vol.4, pp. 24-29.

Nagarkar, S.P., and Velankar, S.S., 2012, "Morphology and rheology of ternary fluid/fluid/solid systems," Soft Matter, vol.8, pp. 8464-8477.

Wolf, M.T., Daly, K.A., Brennan, E.B., Johnson, S.A., Carruthers, C., D'Amore, A., Nagarkar, S.P., Velankar, S.S., and Badylak, S.F., 2012, "A hydrogel derived from decellularized dermal extracellular matrix," Biomaterials, vol.33, pp. 7028-7038.

Wolf, M.T., Daly, K.A., Brennan, E.B., Johnson, S.A., Carruthers, C., D'Amore, A., Nagarkar, S.P., Velankar, S.S., and Badylak, S.F., 2012, "Extracellular Matrix Hydrogels Prepared from Porcine Dermis and UrinaryBladder: Structure, Mechanics and In Vivo Remodling," Glycobiology, vol.22, pp. 1585-1586.

Zhang, J.T., Wang, L., Lamont, D.N., Velankar, S.S., and Asher, S.A., 2012, "Fabrication of Large-Area Two-Dimensional Colloidal Crystals," Angew. Chemie. Int. Ed., vol.51, pp. 6117-6120.

DeLeo, C., Pinotti, C.A., Carmo Goncalces, M., and Velankar, S.S., 2011, "Preparation and characterization of clay nanocomposites of plasticized starch and polyproplylene polymer blends," J. Polym. Envir., vol.19, pp. 689-697.

DeLeo, C., Walsh, K., and Velankar, S.S., 2011, "Effect of composition on the rheology and morphology of reactively-compatibilized model polymer blends," J. Rheology, vol.55, pp. 713-731.

Fu, S., Thacker, A., Sperger, D.M., Boni, R.L., Buckner, I.S., Velankar, S.S., Munson, E.J., and Block, L.H., 2011, "Relevance of Rheological Properties of Sodium Alginate in Solution to Calcium Alginate Gel Properties," AAPS PharmSciTech, vol.12, pp. 453-460.

DeLeo, C., Goetz, J., Young, B., and Velankar, S.S., 2010, "Renewable elastomers based on blends of maleated polypropylene and plasticized starch," J. Appl. Polym. Sci., vol.116, pp. 1775-1781.

Fu, S., Thacker, A., Sperger, D.M., Boni, R.L., Velankar, S.S., Munson, E.J., and Block, L.H., 2010, "Rheological Evaluation of Inter-grade and Inter-batch Variability of Sodium Alginate," AAPS PharmSciTech, vol.11, pp. 1662-1674.

Thareja, P., Moritz, K., and Velankar, S.S., 2010, "The effect of interfacially-adsorbed particles in polymer blends: Coalescence suppression vs. coalescence promotion," Rheol. Acta, vol.49, pp. 285-298.

Cheng, H.L., and Velankar, S.S., 2009, "Controlled jamming of particle-laden interfaces using a Spinning Drop Tensiometer," Langmuir, vol.25, pp. 4412-4420.

Forbes, M.J., Goetz, J.T., Young, B.A., DeLeo, C., and Velankar, S.S., 2009, "Effect of environmental exposure on materials based on blends of plasticized starch and polypropylene," Annual Technical Meeting of the Society of Plastics Engineers., 2020.

Marhefka, J.N., Zhao, R., Wu, Z., Velankar, S.S., and Antaki, J.F., 2009, "Drag reducing polymers improve tissue perfusion via modification of the RBC traffic in microvessels," Biorheology, vol.46, pp. 281-292.

Muscatello, M.M., Stunja, L.E., Thareja, P., Wang, L., Bohn, J.J., Velankar, S.S., and Asher, S.A., 2009, "Dependence of photonic crystal nanocomposite elasticity on crystalline colloidal array particle size," Macromolecules, vol.42, pp. 4403-4406.

Angeles, M., Cheng, H.L., and Velankar, S.S., 2008, "Emulsion electrospinning: Composite fibers from drop breakup during electrospinning," Polymers for Advanced Technologies, vol.19, pp. 728-733.

Cheng, H.L., and Velankar, S.S., 2008, "Film-climbing of particle-laden interfaces," Colloids and Surfaces A, vol.315, pp. 275-284.

DeLeo, C., and Velankar, S.S., 2008, "Rheology of immiscible blends with compatibilizer: Differences between diblocks and reactive compatibilizers," J. Rheology, vol.52, pp. 1385-1404.

Freytes, D.O., Martin, J.D., Velankar, S.S., Lee, A.S., and Badylak, S.F., 2008, "Preparation and characterization of an injectable form of the porcine Urinary Bladder Matrix," Biomaterials, vol.29, pp. 1630-1637.

Marhefka, J.N., Velankar, S.S., Chapman, T.M., and Kameneva, M.V., 2008, "Mechanical degradation of drag reducing polymers in suspensions of blood cells and rigid particles," Biorheology, vol.45, pp. 599-609.

Marhefka, J.N., Velankar, S.S., Zhao, R., Wu, Z., Antaki, J.F., and Kameneva, M.V., 2008, "Microscale effects of drag-reducing polymers," 13th International Congress of Biorheology and 6th International Conference on Clinical Hemorheology, pp. 58-59.

Marhefka, J.N., Velankar, S.S., Zhao, R., Wu, Z., Antaki, J.F., and Kameneva, M.V., 2008, "Microscale effects of drag-reducing polymers," Biorheology, vol.45, pp. 58-59.

Martin, J., and Velankar, S.S., 2008, "Unusual dynamics of PEG/PPG/Pluronic interfaces," J. Colloid Int. Sci., vol.322, pp. 669-674.

Martin, J., and Velankar, S.S., 2008, "Varying the blending protocol to control the morphology of immiscible polymer blends with compatibilizer," AIChE J, vol.54, pp. 791-801.

Thareja, P., and Velankar, S.S., 2008, "Interfacial activity of particles at PI/PDMS and PI/PIB interfaces: Analysis based on Girifalco-Good theory," Colloid Polym. Sci., vol.286, pp. 1257-1264.

Thareja, P., and Velankar, S.S., 2008, "Pheological effects of particle-induced bridiging in PEO/PIB blends," Rheol. Acta, vol.47, pp. 189-200.

Thareja, P., Ising, B.P., Kingston, S.J., and Velankar, S.S., 2008, "Polymer foams stabilized by particles adsorbed at the air/polymer interface," Macromol. Rapid Comm., vol.29, pp. 1329-1334.

Velankar, S.S., and Giles, D., 2007, "How do I know my phase angles are correct," Rheol. Bulletin, vol.76, no.2, p. 8.

Freytes, D.O., Kolman, S., Velankar, S.S., and Badylak, S.F., 2007, "Rheological properties of extracellular matrix derived gels," ASME 2007 Summer Bioengineering Conference.

Freytes, D.O., Tobita, K., Tinney, J.P., Keller, B.B., Wainwright, J.W., Velankar, S.S., and Badylak, S.F., 2007, "Extracellular matrix derived gel for cardiac tissue engineering applications," Annual Meeting of the society for Biomaterials.

Martin, J., and Velankar, S.S., 2007, "Effects of compatibilizer on immiscible polymer blends near phase inversion," J. Rheol., vol.51, pp. 669-692.

Thareja, P., and Velankar, S.S., 2007, "Particle-induced bridging in immiscible polymer blends," Rheol. Acta, vol.46, pp. 405-412.

Adzima, B.J., and Velankar, S.S., 2006, "Pressure drops for droplet flows in microfluidic channels," J. Micromechanics and Microeng., vol.16, pp. 1504-1510.

Wang, J., and Velankar, S.S., 2006, "Strain recovery of model immiscible blends without compatibilizer," Rheol. Acta, vol.45, pp. 297-304.

Wang, J., and Velankar, S.S., 2006, "Strain recovery of model immiscible blends: Effects of added compatibilizer," Rheol. Acta, vol.45, pp. 741-753.

Martin, J., and Velankar, S.S., 2005, "Interfacial tension errors from the Cohen and Carriere analysis of imbedded fiber retraction," Macromolecules, vol.38, pp. 10614-10618.

Velankar, S.S., VanPuyvelde, P., Mewis, J., and Moldenaers, P., 2004, "Steady-shear rheological properties of model compatibilized blends," J. Rheol., vol.48, pp. 725-745.

Velankar, S.S., Zhou, H., Jeon, H.K., and Macosko, C.W., 2004, "CFD-evaluation of drop retraction methods for the measurement of interfacial tension of surfactant-laden drops," J. Colloid Int. Sci., vol.272, pp. 172-185.

VanHemelrijck, E., VanPuyvelde, P., Velankar, S.S., Macosko, C.W., and Moldenaers, P., 2004, "Interfacial viscoelasticity and coalescence suppression in compatibilized polymer blends," J. Rheol., vol.48, pp. 143-158.

Velankar, S.S., Zhou, H., Jeon, H.K., and Macosko, C.W., 2003, "Drop retraction methods to measure interfacial tension between compatibilized polymer," 61st Annual Technical Meeting of the Society of Plastics Engineers, XLIX, p. 1597.

Velankar, S.S., and Moldenaers, P., 2002, "Bidisperse polymeric mixtures for independent control of viscosity and elasticity," Rheol. Acta, vol.41, pp. 394-407.

VanPuyvelde, P., Velankar, S.S., Mewis, J., and Moldenaers, P., 2002, "Effect of Maragoni stresses on the deformation and coalescence in compatibilized immiscible polymer blends," Polym. Eng. Sci., vol.42, pp. 1956-1964.

Velankar, S.S., Van Hemelrijck, E., Moldenaers, P., and Macoksko, C.W., 2001, "Shear-induced coalescence in compatibilized polymer blends," 3rd Pacific Rim Conf. Rheol..

Velankar, S.S., Van Puyvelde, P., Mewis, J., and Moldenaers, P., 2001, "The dynamics of model compatibilized blends," Int. ESAFORM Conf. Mat. Forming, p. 685.

Velankar, S.S., VanPuyvelde, P., Mewis, J., and Moldenaers, P., 2001, "Effect of compatibilization on the breakup of polymeric drops in shear flow," J. Rheol., vol.45, pp. 1007-1019.

VanPuyvelde, P., Velankar, S.S., and Moldenaers, P., 2001, "Rheology and morphology of compatibilized polymer blends," Curr. Opin. Coll. Int. Sci., vol.6, pp. 457-463.

Velankar, S.S., and Cooper, S.L., 2000, "Microphase separation and rheological properties of polyurethane melts. Part 2: Effect of block incompatibility on the microstructure," Macromolecules, vol.33, pp. 395-403.

Velankar, S.S., and Cooper, S.L., 2000, "Microphase separation and rheological properties of polyurethane melts. Part 3: Effect of block incompatibility on the viscoelastic properties," Macromolecules, vol.33, pp. 382-394.

Velankar, S.S., and Cooper, S.L., 1998, "Microphase separation and rheological properties of plyurethane melts. Part 1: Effect of block length," Macromolecules, vol.31, pp. 9181-9192.

Velankar, S.S., and Coope, S.L., 1996, "Polyurethanes with pendant pyridine groups: Interactions with alkyl halides," Abstr. Pap. Am. Chem. Soc.: Polymeric Chemistry, vol.211, p. 506.

Velankar, S.S., Pazos, J., and Cooper, S.L., 1996, "High performance UV-curable urethane acrylates via deblocking chemistry," J. Appl. Polym. Sci., vol.62, pp. 1361-1376.

Velankar, S.S., Pazos, J., and Cooper, S.L., 1995, "UV-curable urethane-ureas with deblocking urea linkages," Abstr. Pap. Am. Chem. Soc.: Polymeric Materials Science and Engineering, vol.210, p. 400.

Velankar, S.S., 2013, "Folding of thin films on diverse substrates," Adaptive Origami Workshop, Air Force Research Laboratory, Dayton.

Velankar, S.S., 2012, "Effect of interfacially-active particles on the structure and rheology of immiscible polymer blends," 244th Meeting of the American Chemical Society, Philadelphia PA.

Velankar, S.S., 2012, "Interfacial jamming phenomena in ternary liquid/liquid/solid systems," Dept. of Physics, Georgetown University, Washington D.C..

Velankar, S.S., 2011, "Adsorption of particles at fluid interfaces: Jamming, structure control, and rheology," 2011 March APS meeting, Dallas.

Velankar, S.S., 2011, "Rheology as a tool for morphological characterization," Dept. of Pharmacy, Duquesne University, Pittsburgh.

Velankar, S.S., 2011, "Structural evolution and rheology in blends with interfacially-active particles," 83rd Annual meeting of the Society of Rheology, Cleveland, OH.

Velankar, S.S., 2010, "Interfacial phenomena due to interfacially-adsorbed particles in two phase liquid systems," National Chemical Laboratory, Pune, India.

Velankar, S.S., 2010, "Role of interfacial modifiers in the structure control in two-phase polymer blends," Indian Institute of Technology, Mumbai, India.

Velankar, S.S., 2009, "An Investigation of the Rheological Properties of Highly Concentrated Sodium Alginate Dispersions," American Association of Pharmaceutical Scientists (AAPS) Annual Meeting, Los Angeles.

Velankar, S.S., 2009, "Batch-to-Batch Varialbility of Pharmaceutical Excipients: Sodium Alginate. I. "Rheological Characterization by Steady Shear and by Small Amplitude Oscillation Measurements"," Excipient Fest America, San Jose, Puerto Rico.

Velankar, S.S., 2009, "Controlled jaming of particle-laden interfaces using a spinning drop tensiometer," 81st Annual meeting of the Society of Rheology, Madison WI.

Velankar, S.S., 2009, "Effect of interfacial crosslinking, compatibilizer concentration and volume fraction on reactively compatibilized model immiscible blends," 81st Annual meeting of the Society of Rheology, Madison WI.

Velankar, S.S., 2009, "Role of interfacial modifiers in the structure control in two-phase polymer blends," Air Force Research Laboratory, Dayton.

Cheng, H.L., and Velankar, S.S., 2009, "Controlled jamming of particle-laden interfaces using a spinning drop tensiometer," APS March Meeting, Pittsburgh.

Cheng, H.L., and Velankar, S.S., 2009, "Spontaneous spreading of particle monolayers from unstable Pickering emulsions," APS March Meeting, Pittsburgh.

Deleo, C.L., and Velankar, S.S., 2009, "Effect of compatibilizer concentration and volume fraction on model immiscible blends with interfacial crosslinking," 81st annual meeting of the Society of Rheology, Madison WI.

DeLeo, C.L., and Velankar, S.S., 2009, "Morphology and Rheology of Model Immiscible Blends with Interfacial Crosslinking," Annual Meeting of the AIChE, Nashville TN.

DeLeo, C.L., and Velankar, S.S., 2009, "Renewable Elastomer Based On Plasticized Starch," Annual Meeting of the AIChE, Nashville TN.

Velankar, S.S., 2008, "Morphological and rheological consequencces of interfacial crosslinking in polymer blends," Conference of the North American Thermal Analysis Society, Atlanta.

Velankar, S.S., 2008, "Varying blending protocol to realize high-dispersed phase immiscible polymer blends," XVth International Congress on Rheology, Monterey CA.

Cheng, H.L., and Velankar, S.S., 2008, "Controlled Jamming of Particle-Laden Interfaces Using a Spinning Drop Tesiometer," 82nd ACS Colloid & Surface Science Symposium, Raleigh NC.

Cheng, H.L., and Velankar, S.S., 2008, "Film Climbing of Particle-Laden Interfaces," 82nd ACS Colloid & Surface Science Symposium, Raleigh NC.

DeLeo, C., and Velankar, S.S., 2008, "Morphology and rheology of model immiscible blends with interfacial crosslinking," XVth International Congress on Rheology, Monterey CA.

Fu, S., and Velankar, S.S., 2008, "Rheological characterization of concentrated aqueous solutions of various grades of sodium alginate," American Association of Pharaceutical Scientists (AAPS) Annual Meeting, Atlanta.

Thareja, P., and Velankar, S.S., 2008, "Effect of particles on rheology and morphology of immiscible PI/PDMS polymer blends," XVth International Congress on Rheology, Monterey CA.

Velankar, S.S., 2007, "Film-climbing of particle-laden interfaces," Annual Meeting of the AIChE, Salt Lake City UT.

Velankar, S.S., 2007, "Liquid/liquid interfaces, emulsions, and rheology," Dept. of Chemical and Biological Engineering, Rensselaer Polytechnic Institute.

Velankar, S.S., 2007, "Liquid/liquid interfaces, emulsions, and rheology," Dept. of themical Engineering, Carnegia Mellon University.

Velankar, S.S., 2007, "Polymer blends with interfacial modifiers: Structure control and rheology," Dept. of Chemical and Biomolecular Engineering, University of Connecticut.

Velankar, S.S., 2007, "Polymer blends with interfacial modifiers: Structure control and rheology," National Chemical Laboratory, Pune, India.

Velankar, S.S., 2007, "Pressure drops for two phase droplet flow in microfluidic channels," Annual Meeting of the AIChE, Salt Lake City UT.

Velankar, S.S., 2007, "Rheological properties of extracellular matrix derived gels," 79th Annual Meeting of the Society of Rheology, Salt Lake City UT.

Velankar, S.S., 2007, "Rheology and morphology of polymer blends with interfacial modifiers," Nova Chemicals, Moon, PA.

Velankar, S.S., 2007, "Rheology of polymer blends with interfacial modifiers," Rheology Research Center, University of Wisconsin, Madison, WI.

Velankar, S.S., 2007, "Structure control in immischible polymer blends: Applying insights from oil/water systems," School of Chemical, Biological, and Materials Engineering, University of Oklahoma.

Velankar, S.S., 2007, "Validating phase angles in oscillatory testing," 79th Annual Meeting of the Society of Rheology, Salt Lake City UT.

Freytes, D., and Velankar, S.S., 2007, "Extracellular Matrix Derived Gel for Cardiac Tissue Engineering Applications," Annual Meeting of the Society for Biomaterials, Chicago, IL.

Freytes, D., and Velankar, S.S., 2007, "Rheological properties of extracellular matrix derived gels," ASME 2007 Summer Bioengineering Conference, Keystone CO.

Martin, J., and Velankar, S.S., 2007, "Preparation and rheology of double emulsion morphologies in compatibilized immiscible polymer blends," Annual Meeting of the AIChE, Salt Lake City UT.

Martin, J., and Velankar, S.S., 2007, "Preparation and rheology of double emulsion morphologies in compatiblized immiscible polymer blends," 79th Annual Meeting of the Society of Rheology, Salt Lake City UT.

Thareja, P., and Velankar, S.S., 2007, "Particles at polymer/polymer interfaces," Annual Meeting of the AIChE, Salt Lake City UT.

Thareja, P., and Velankar, S.S., 2007, "Rheology of polyethyleneoxide in polyisobutylene Pickering emulsions," 79th Annual Meeting of the Society of Rheology, Salt Lake City UT.

Velankar, S.S., 2006, "Liquid/liquid interfaces, emulsions, and rheology," PPG Industries, Allison Park, PA.

Velankar, S.S., 2006, "Particle-induced drop bridging in Pickering emulsions," Annual Meeting of the AIChE, San Francisco CA.

Velankar, S.S., 2006, "Pressure drops for two phase droplet flow in microfluidic channels," 78th annual Meeting of the Society of Rheology, Portland ME.

Velankar, S.S., 2006, "Rheology of immiscible polymer blends containing compatibilizer," Annual Meeting of the AIChE, San Francisco.

Velankar, S.S., 2006, "Varying phase continuity in polymer blends by sequence of mixing," 78th Annual Meeting of the Society of Rheology, Portland ME.

Marhefka, J., and Velankar, S.S., 2006, "Effects of drag-reducing polymers on blood flow in bifurcated microchannels," 78th Annual Meeting of the Society of Rheology, Portland ME.

Martin, J., and Velankar, S.S., 2006, "Effects of compatibilizer on immiscible polymer blends near phase inversion," 78th Annual Meeting of the Society of Rheology, Portland ME.

Velankar, S.S., 2005, "Dynamics of PPG drops in PEG with added Pluronic surfactants," 77th Annual Meeting of the Society of Rheology, Vancouver Canada.

Velankar, S.S., 2005, "MEchanical properties of PEG/PPG/Pluronic interfaces," Annual Meeting of the AIChE, Cincinnati OH.

Velankar, S.S., 2005, "Rheology of polymer blends with interfacially-active particles," 77th Annual Meeting of the Society of Rheology, Vancouver Canada.

Velankar, S.S., 2005, "Strain recovery of compatibilized polymer blends," 76th Annual Meeting of the Society of Rheology, Lubbock TX.

Martin, J., and Velankar, S.S., 2005, "Interfacial tension errors in the Cohen and Carriere analysis of imbedded fibre retraction," 76th Annual Meeting of the Society of Rheology, Lubbock TX.

Velankar, S.S., 2004, "Dynamics of immiscible polymer blends," U. Pittsburgh (Mechanical Engr.).

Velankar, S.S., 2004, "Rheology and structure of compatibilized polymer blends," National Chemical Laboratory, Pune.

Velankar, S.S., 2004, "Strain recovery of compatibilized polymer blends," Annual Meeting of the AIChE, Austin TX.

Velankar, S.S., 2003, "Drop retraction methods to measure interfacial tension between compatibilized polymers," ANTEC Meeting Society of Plastic Engineers, Nashville TN.

Velankar, S.S., 2003, "Drop retraction methods to measure the interfacial tension between compatibilized polymers," Annual Meeting of the AIChE, San Francisco CA.

Velankar, S.S., 2003, "Dynamics of immiscible polymer blends with compatibilizer," National Institute of Standards and Technology, Gaithersburg, MD.

Velankar, S.S., 2003, "Dynamics of immiscible polymer blends," ACS Pittsburgh Chapter, Polymer group.

Velankar, S.S., 2002, "Drop retraction methods to measure the interfacial tension between compatibilized polymers," 74th Annual Meeting of the Society of Rheology, Mineeapolis MN.

Velankar, S.S., 2002, "Rheology of immiscible polymer blends with compatibilizer," 74th Annual Meeting of the Society of Rheology, Mineeapolis MN.

Velankar, S.S., 2000, "rheology and structure of model compatibilized blends," Annual Meeting of the Belgian Group of Rheology, Louvain-la-Neuve Belgium.

Bermant, J., Leuven, K.U., and Velankar, S.S., 2000, "In-situ SAXS measurements of the molecular orientation and particulate structure in filled liquid crystalline polymers under flow," Meeting of the European Network on Liquid Crystals, Capri Greece.

Van Puyvelde, P., and Velankar, S.S., 2000, "Coalescence in compatibilized polymer blends," 73rd Annual Meeting of the Society of Rheology, Hilton Head SC.

Velankar, S.S., 1998, "Viscoelastic properties of polyurethane elastomers," 70th Annual Meeting of the Society of Rheology, Monterey CA.

Velankar, S.S., 1998, "viscoelastic properties of polyurethane melts," Conference of the American Institute of Chemical Engineers, Miami FL.

Velankar, S.S., 1997, "Melt studies of multiblock polyurethane elastomers," conference of the American Physical Society, Los Angeles CA.

Velankar, S.S., 1997, "Rheology and microphase separation in polyurethanes and polyurethane ionomers," Annual Meeting of the AIChE, Los Angeles CA.

Velankar, S.S., 1997, "Structure and dynamics of polyurethane black copolymers," National Chemical Laboratory, Pune, India.

Velankar, S.S., 1996, "Molecular composites of poly(p-phenyleneterepthalamide)," Conference of the American Physical Society, St. Louis MO.

Velankar, S.S., 1996, "Polyurethane ionomers with pendant pyridine groups: Interactions with alkyl halides," 211th Meeting of the American Chemical Society, New Orleans LA.

Velankar, S.S., 1995, "High performance PPO Based urea-urethane acrylate radiation curable liquids," ARCO Chemical Company, Phildelphia.

Velankar, S.S., 1995, "UV-curable urethane-ureas with deblocking urea linkages," 210th Meeting for the American Chemical Society, Chicago IL.