EXPERIENCE

• Visiting Professor, Institute of Polymer Science, The University of Akron (2003 - 2004).
• Associate Professor, Department of Chemical and Materials Engineering, University of Alberta (2001 - present).
• Assistant Professor, Department of Chemical and Materials Engineering, University of Alberta (1997 - 2001).
• Sessional Lecturer and Postdoctoral Fellow, Department of Chemical and Materials Engineering, University of Alberta (1996 - 1997).
• Development Chemist, R & D, Sternson Construction Ltd. (1995 - 1996).
• Visiting Scientist, Xerox Research Centre of Canada (1990 - 1995).
• Research Assistant, Institute for Polymer Research, University of Waterloo (1989 - 1990). 

• The Canadian National Committee for the International Union of Pure and Applied Chemistry Travel Award (2002).
• Petro-Canada Young Innovator Award, Petro-Canada Inc. (2001).
• Prominent Canadian, Who's Who in Ontario (1994 - 1998).
• Teaching Assistant Award, The Sandford Fleming Foundation, University of Waterloo (1994).
• Postgraduate Scholarship, Natural Science and Engineering Research Council (1992 - 1994).
• Honourable Mention Paper, 50th ANTEC, Society of Plastics Engineers (1992).
• Coatings Scholarships, Coatings Industry Education Foundation (1991 & 1992).

• Member, Professional Engineers, Geologists and Geophysicists of Alberta (1997 - present).
• Member & Local Section Chair, Canadian Society for Chemical Engineering (1988 - present & 2002 - present).
• Member, Society of Plastics Engineers (1992 - present).
• Member, Chemical Institute of Canada (1988 - present).
• Member, American Chemical Society (1991 - present).

Reviewer for Polymer, Macromolecules, Journal of Applied Polymer Science, Macromolecular Theory & Simulations, Journal of Polymer Research, Journal of Chromatography A, Fluid Phase Equilibria, Journal of Chemical and Engineering Data, Journal of Materials Processing Technology.

Consultant to Agrium Inc. and Bayer Inc. 

Faculty Advisor of the Chemical Engineering Students' Society and the University of Alberta Student Chapter of the Canadian Society for Chemical Engineering (1998 - present). 

Invited Lecturer, Canadian Plastics Industry Association - West, 1997 
Delivered a two day course in Polymer Rheology and Melt Processing to industrial practitioners. 

LIST OF PUBLICATIONS

BOOK CHAPTERS

L. Zhao and P. Choi, "Molecular Modeling of Polymer-Polymer Interface" in Molecular Interfacial Phenomena of Polymers and Biopolymers, Woodhead Publishing Ltd., (invited) in preparation (2003).

J. E. I. Wright, L. Zhao, P. Choi and H. Uludag, "Simulating Hyroxyapatite Binding of Bone-Seeking Bisphosphonates" in Biomaterials from Molecules to Engineering Tissues, Kluwer Academic/Plenum Publishers (2003).

T. A. Kavassalis, P. Choi and A. Rudin, "Molecular Models and Three-Dimensional Solubility Parameters of Non-ionic Surfactants" in Molecular Simulation and Industrial Applications: Methods, Examples and Prospects, Gordon and Breach Science Publishers (1996). 

REFERRED JOURNAL PUBLICATIONS

X. Kong, S. Ho and P. Choi, On the Double Yield Behavior of Low-Density Polyethylene, Linear Low-Density Polyethylene and their Blends, Polymer Engineering and Science, submitted (2003).

X. Kong and P. Choi, Differences in the Non-crystalline Phases of Ziegler-Natta and Single-Site Linear Low-Density Polyethylenes as Revealed by ¹³C NMR Spectroscopy, Macromolecules, in revision (2003).

X. Jin and P. Choi, Polyurethane Coatings Based on Soybean Oil, J. of Coatings Technology, submitted (2003).

M. Zhang, U. Sundararaj and P. Choi, Estimation of T_g of Polycarbonate and Poly(ether imide) Based on their Radial Distribution Functions from Molecular Dynamics Simulation, Macromolecules, in revision (2003).

L. Zhao and P. Choi, Differences between Ziegler-Natta and Single-Site Linear Low-Density Polyethylenes as Characterized by Inverse Gas Chromatography, Macromol. Rapid Commun., accepted (2003).

L. Zhao, L. Capt, M. Kamal and P. Choi, On the Use of Pressure-Volume-Temperature Data of Polyethylene Liquids for the Determination of their Solubility and Interaction Parameters, Polymer Engineering and Science, accepted (2003).

L. Zhao and P. Choi, Molecular Dynamics Simulation of the Coalescence of Nanometer-Sized Water Droplets in n-Heptane, J. Chem. Phys., in press (2003).

L. Zhao and P. Choi, Study of Correctness of the Solubility Parameters Obtained from Indirect Methods by Molecular Dynamics Simulation, a special issue of Polymer containing papers on Chain Conformations and Spatial Configurations (invited), in press (2003).

L. Zhao and P. Choi, Study of the Effect of Branch Content of Octene-based LLDPE on its Miscibility with HDPE by Inverse Gas Chromatography, J. of Appl. Polym. Sci., in press (2003).

M. Zhang, P. Choi and U Sundararaj, Molecular Dynamics and Thermal Analysis Study of Anomalous Thermodynamic Behavior of Poly(ether imide)/Polycarbonate Blends, Polymer, 44, 1979 - 1986 (2003).

L. Zhao and P. Choi, Measurement of Solvent Independent Polymer-Polymer Flory-Huggins Interaction Parameters with the Use of Non-random Partitioning Solvents in Inverse Gas Chromatography, Polymer, 43, 6677 - 6681 (2002).

X. Kong, M. Silveira, L. Zhao and P. Choi, A Pseudo Equation-of-State Approach for the Estimation of Solubility Parameters of Polyethylene by Inverse Gas Chromatography, Macromolecules, 35, 8586 - 8590 (2002).

P. Choi, A Re-examination of the Concept of Hildebrand Solubility Parameter for Polymers, Macromol. Rapid Commun., 23, 484 -487 (2002).

Z. J. Fan, M. C. Williams and P. Choi, A Molecular Dynamics Study of the Branching Characteristics of LDPE on its Miscibility with HDPE, Polymer, 43, 1497 - 1502 (2002). 

M. Doran and P. Choi, Molecular Dynamics Studies of the Branching Characteristics on Crystalline Structure of Polyethylene, J. Chem. Phys., 116, 2827 - 2830 (2001). 

L. Zhao and P. Choi, Determination of Solvent Independent Polymer-Polymer Interaction Parameter by an Improved Inverse Gas Chromatography Approach, Polymer, 42, 1075 - 1081 (2001). 

P. Choi, Molecular Dynamics Studies of the Thermodynamics of HDPE/Butene-based LLDPE Blends, Polymer, 41, 8741 - 8747 (2000). 

P. Choi, T. A. Kavassalis and A. Rudin, Measurement of Three-Dimensional Solubility Parameters of Nonyl Phenol Ethoxylates Using Inverse Gas Chromatography, J. Colloid and Inter. Sci., 180, 1 - 8 (1996). 

P. Choi, H. Blom, T. A. Kavassalis and A. Rudin, The Immiscibility of Polyethylene and Polypropylene: A Molecular Dynamics Study, Macromolecules, 28, 8247 - 8250 (1995). 

G. T. D. Shouldice, P. Choi, B. E. Koene, L. F. Nazar and A. Rudin, A Novel Way to Study the Initial Stages of Soap-Free Emulsion Polymerizations: The Intercalation of Polystyrene Oligomers into Hydrotalcite, J. Polym. Sci.: Part A: Polym. Chem., 33, 1409 - 1417 (1995). 

P. Choi, T. A. Kavassalis and A. Rudin, Estimation of Hansen Solubility Parameters for Hydroxylethyl and Hydroxylpropyl Cellulose through Molecular Simulation, I and EC Research, 33, 3154 - 3159 (1994). 

T. A. Kavassalis, P. Choi and A. Rudin, The Calculation of 3D Solubility Parameters Using Molecular Models, Molecular Simulation, 11, 229 - 241 (1993). 

P. Choi, T. A. Kavassalis and A. Rudin, Estimation of Three-Dimensional Solubility Parameters of Alkyl Phenol Ethoxylates Using Molecular Dynamics Simulations, J. Colloid and Inter. Sci., 150, 386 393 (1992). 

P. Choi, M. Lynch, A. Rudin, J. W. The and J. Batiste, DSC Analysis of Fusion Level of Rigid PVC Revisited: Filler Effects of Thermal Analysis Data, J. of Vinyl Tech., 14, 156 - 160 (1992). 

J. Batiste, P. Choi, M. Lynch, A. Rudin and L. H. De Carvalho, Effects of Compounding and Extrusion Variables on Degree of Fusion and Impact Strength of PVC Window Profile, J. of Vinyl Tech., 14, 43 - 46 (1992). 

CONFERENCE PRESENTATIONS AND ARTICLES

P. Choi, “A Re-examination of the Concept of Hildebrand Solubility Parameter for Polymers”, IUPAC World Polymer Congress, 246 (2002).

M. Zhang, U. Sundararaj and P. Choi, “A Miscibility Study of PEI/PC Blends by Molecular Dynamics and Differential Scanning Calorimetry”, IUPAC World Polymer Congress, 628 (2002).

M. Silveira and P. Choi, “A Re-examination of the Validity of the Inverse Gas Chromatography Approach to the Determination of Hildebrand Solubility Parameter”, 1st International Conference on Inverse Gas Chromatography Proceedings, 142 – 145 (2001).

M. Doran and P. Choi, “Molecular Dynamics Studies of the Branching Characteristics on Crystalline Structure of Polyethylene”, ACS Fall Meeting, PMSE Proceedings, 187 (2001).

L. Zhao and P. Choi, “Study of the Effect of Bracnh Content of Octene-based LLDPE on its Miscibility with HDPE by IGC”, ACS Fall Meeting, PMSE Proceedings, 574 – 576 (2001).

Z. Fan, M. C. Williams and P. Choi, Investigation of the Effects of Co-monomer Type and Co-monomer Distribution of LLDPE on its Melt Miscibility with HDPE Using Molecular Dynamics Simulation, IUPAC World Polymer Congress, 1152 (2000). 

Maria Dulce L. V. Silveira and P. Choi, A Miscibility Study of LDPE/LLDPE Blends at Elevated Temperatures Using IGC, SPE ANTEC, 2454 - 2457 (2000). 

Liyan Zhao and P. Choi, Determination of Solvent Independent Interaction Parameters for the HDPE/LDPE Blend by an Improved Inverse Gas Chromatography Approach, SPE ANTEC 2000, 2540 - 2544 (2000). 

Z. Fan, M. C. Williams and P. Choi, Molecular Dynamics Studies of the Effects of Branch Content and Branch Length on Miscibility of HDPE and LLDPE, 49th Canadian Chemical Engineering Conference (1999). 

L. Zhao, A. Teh and P. Choi, Miscibility Studies of Polyethylene Blends Using Inverse Gas Chromatography, 49th Canadian Chemical Engineering Conference (1999). 

P. Choi, Miscibility Studies of Polyethylene Blends Using Molecular Dynamics, 1998 A.I.Ch.E. Annual Meeting. 

P. Choi, Miscibility Studies of LDPE and Butene-Based LLDPE Using Melting Point Depression, The 20th Annual Symposium on Polymer Science and Engineering, University of Waterloo (1998). 

Z. Fan, I. A. Hussein, P. Choi and M. C. Williams, DSC Study of the Miscibility of LDPE/LLDPE Blends, 47th Canadian Chemical Engineering Conference (1997). 

I. A. Hussein, Z. Fan, P. Choi and M. C. Williams, Phase Behaviour of LDPE/LLDPE Blends Prepared at Optimum Blending Conditions, 47th Canadian Chemical Engineering Conference (1997). 

P. Choi, T. A. Kavassalis and A. Rudin, Calculations of Heats of Mixing and Interaction Parameters for Polyethylene and Isotactic Polypropylene Blends Using Molecular Dynamics, 47th Canadian Chemical Engineering Conference (1997). 

A. Henderson, P. Choi, T. A. Kavassalis and A. Rudin, Characterization of the Clarity of Blends of an EVA Copolymer with Several Tackifier Resins Using Thermal Analysis Techniques, 1995 Hot Melt Symposium. 

P. Choi, T. A. Kavassalis and A. Rudin, Use of Inverse Gas Chromatography to Estimate Flory-Huggins Interaction and Solubility Parameters of Surfactants, 1994 ACS Spring Meeting. 

T. A. Kavassalis, P. Choi and A. Rudin, The Calculation of 3D Solubility Parameters Using Molecular Models, 1992 Annual A.I.Ch.E. Meeting. 

P. Choi, M. Lynch, A. Rudin, J. W. The and J. Batiste, DSC Analysis of Fusion Level of Rigid PVC Revisited: Filler Effects of Thermal Analysis Data, 50th SPE ANTEC, 2302 - 2304 (1992). 

J. Batiste, P. Choi, M. Lynch, A. Rudin and L. H. De Carvalho, Effects of Compounding and Extrusion Variables on Degree of Fusion and Impact Strength of PVC Window Profile, 49th SPE ANTEC, 1234 (1991). 

P. Choi, S. Haridoss and A. Rudin, Effects of Carbon Black and Peroxide on Crosslinking in Semi-conductive EVA’s, 49th SPE ANTEC, 575 (1991).