Publications


Reprints


  1. Ray, W.H. "Modelling Polymerization Reactors with Applications to Optimal Design." Can. J. Chem. Eng., 45, 356-360 (1967).


  2. Ray, W.H. "Periodic Operation of Polymerization Reactors." I and EC Proc. Des. Dev., 7, 422-426 (1968).


  3. Ray, W.H. and C.E. Gall. "The Control of Copolymer Composition Distributions in Batch and Tubular Reactors." Macromolecules, 2, 425-428 (1969). Reprinted in Rubber Chem. and Tech., 43, 921 (1970).


  4. Hamielec, A.E. and W.H. Ray. "An Analytic Solution to Tung's Axial Dispersion Equation." J. Appl. Poly. Sci., 1319-1321 (1969).


  5. Ray, W.H. "The Quasi-Steady-State-Approximation in Continuous Stirred Tank Reactors." Can. J. Chem. Eng., 47, 503-508 (1969).


  6. Hicks, J.M., A. Mohan, and W.H. Ray. "The Optimal Control of Polymerization Reactors." Can. J. Chem. Eng., 47, 590-598 (1969).


  7. Ray, W.H. "Molecular Weight Distributions in Copolymer Systems. I. Living Copolymers." Macromolecules, 4, 162-165 (1971).


  8. Ray, W.H., T.L. Douglas and E.W. Godsalve. "Molecular Weight Distributions in Copolymer Systems - II. Free-Radical Polymerization." Macromolecules, 4, 166-174 (1971).


  9. Ray, W.H., J. Klein and F. Horn. "Chain Length Distributions in Living Copolymerization Systems." J. Macromol. Sci. Chem., A6, 375-382 (1972).


  10. Ray, W.H. "On the Mathematical Modelling of Polymerization Reactors." J. Macromol. Sci.-Revs. Macromol. Chem., C8, 1-56 (1972).


  11. Min, K.W. and W.H. Ray. "On the Mathematical Modelling of Emulsion Polymerization Reactors." J. Macro. Sci-Revs. Macro. Chem., C11, 177 (1974).


  12. Ray, W.H., S.K. Jain and R. Salovey. "On the Modelling of Bulk Poly Vinyl Chloride Reactors." J. Appl. Poly. Sci., 19, 1297 (1975).


  13. Min, K.W. and W.H. Ray. "A Structural Framework for Modelling Emulsion Polymerization Reactors." Polymer Preprints Phil. ACS Meeting, p. 286 (April 1975). Also appears in ACS Symposium Series, 24, Emulsion Polymerization, p. 359.


  14. Min, K.W. and W.H. Ray. "The Application of a Detailed Model for Emulsion Polymerization Reactors." Proceedings 4th International Symposium on Chemical Reaction Engineering, Heidelberg, Germany (April 1976).


  15. Jaisinghani, R. and W.H. Ray. "On the Dynamic Behaviour of a Class of Homogeneous Continuous Stirred Tank Polymerization Reactors." Chem. Eng. Sci., 32, 811 (1977).


  16. Ray, W.H. and R.L. Laurence. "Polymerization Reaction Engineering." Chapter in: R.H. Wilhelm Memorial Volume on Chemical Reactor Theory, Prentice-Hall (1977).


  17. Min, K.W. and W.H. Ray. "The Computer Simulation of Batch Emulsion Polymerization Reactors Through a Detailed Mathematical Model." J. Appl. Poly. Sci., 21, 89 (1978).


  18. Kirillov, V.A. and W.H. Ray. "The Mathematical Modelling of Continuous Emulsion Polymerization Reactors." Chem. Eng. Sci., 33, 1499 (1978).


  19. Nagel, E.J., V.A. Kirillov and W.H. Ray. "Prediction of Molecular Weight Distributions for High Density Polyolefins." I & EC Product. R & D, 19, 372 (1980).


  20. Schork, F.J., G-C Chu and W.H. Ray. "The Dynamics of Continuous Emulsion Polymerization Reactors." Preprint 73rd Annual AIChE Meeting, Nov. 1980.


  21. Collins, G.L., R.K. Greene, F.M. Berardinelli and W.H. Ray. "Fundamental Considerations on the Mechanism of Copolymerization of Trioxane and Ethylene Oxide Initiated with Boron Trifluoride Dibutyl Etherate." Proceedings 5th Int. Symposium on Cationic and other Ionic Polymerizations, Kyoto, Japan (April 1980). Also published in J. Poly. Sci-Chem., 19, 1597 (1981).


  22. Schork, F.J. and W.H. Ray. "On-line Monitoring of Emulsion Polymerization Reactor Dynamics." ACS Symposium Series, No. 165, "Emulsion polymers and emulsion polymerization" edited by D.R. Bassett and A.E. Hamielec, 505 (1981).


  23. Ray, W.H. "Dynamic Behaviour of Polymerization Reactors." Chapter in: Modelling of Chemical Reaction Systems, edited by K.H. Ebert et al., Springer-Verlag, 337 (1981).


  24. Schmidt, A.D. and W.H. Ray. "The Dynamic Behaviour of Continuous Polymerization Reactors - I. Isothermal Solution Polymerization in a CSTR." Chem. Eng. Sci., 36, 1401 (1981).


  25. Hamer, J.W., T.A. Akramov and W.H. Ray. "The Dynamic Behavior of Continuous Polymerization Reactors - II. Nonisothermal Solution Homopolymerization and Copolymerization in a CSTR." Chem. Eng. Sci., 36, 1897 (1981).


  26. Hamer, J.W. and W.H. Ray. "The Modelling and Design of Tubular Polymerization Reactors." Preprint 74th Annual AIChE Meeting, Nov. 1981.


  27. Schork, F.J., J.B. Rawlings and W.H. Ray. "Experimental and Theoretical Studies of the Dynamics of Continuous Emulsion Polymerization Reactors." Preprint 74th Annual AIChE Meeting, Nov. 1981.


  28. Taylor, T.W. and W.H. Ray. "Slurry Polymerization of Propylene with Ziegler-Natta Catalysts." Preprint 75th Annual AIChE Meeting, Nov. 1982.


  29. Rawlings, J.B. and W.H. Ray. "The Structure of the Dynamic Behavior of Continuous Emulsion Polymerization Reactors." Preprint 75th Annual AIChE Meeting, Nov. 1982.


  30. Taylor, T.W., K.-Y. Choi, H.-G. Yuan and W.H. Ray. "Physicochemical Kinetics of Liquid Phase Propylene Polymerization." Transition Metal Catalysed Polymerization, ed. R. P. Quirk, Harwood Publishers (1983).


  31. Yuan, H.-G., T.W. Taylor, K.Y. Choi and W.H. Ray. "Polymerization of Olefins Through Heterogeneous Catalysis-I. Low Pressure Propylene Polymerization in Slurry with Ziegler-Natta Catalyst." J. Appl. Poly. Sci., 27, 1691 (1982).


  32. Choi, K.-Y., T.W. Taylor and W.H. Ray. "Physical Transport Influences on the Catalysed Polymerization of Olefins." Proceedings 1982 IUPAC Meeting, 240, Amherst, MA.


  33. Schork, F.J and W.H. Ray. "On-line Measurement of Surface Tension and Density with Applications to Emulsion Polymerization." J. Appl. Poly. Sci., 28, 407 (1983).


  34. Ray, W.H. "Some Current Problems in Polymerization Reaction Engineering." Plenary lecture, 7th International Symposium on Chemical Reaction Engineering, ACS Symposium Series. No. 226 "Chemical Reaction Engineering - Plenary Lectures" (1983).


  35. Schmidt, A.D., A.B. Clinch and W.H. Ray. "The Dynamic Behaviour of Continuous Polymerization Reactors - III. An Experimental Study of Multiple Steady States in Solution Polymerization." Chem. Eng. Sci., 39, 419 (1984).


  36. Choi, K.-Y., T.W. Taylor and W.H. Ray. "Propylene Polymerization in Liquid Slurry and Gas-Phase with Ziegler-Natta Catalysts." in Polymer Reaction Engineering, Hanser-Verlag (1983).


  37. Hamer, J.W. and W.H. Ray. "Polymerization of Vinyl Monomers in Tubular Reactors." Proceedings 8th International Symposium on Chemical Reaction Engineering, Edinburgh, Scotland (1984).


  38. Choi, K.-Y. and W.H. Ray. "Recent Developments in Commercial Propylene Polymerization." POLYMER, 8, 17 (1984) (in Korean).


  39. Choi, K.-Y. and W.H. Ray. "Recent Developments in Transition Metal Catalysed Olefin Polymerization-A Survey I. Ethylene Polymerization." J. Macro. Sci. Revs. Macro. Chem., 25, 1 (1985).


  40. Choi, K.-Y. and W.H. Ray. "Recent Developments in Transition Metal Catalysed Olefin Polymerization - A Survey II. Propylene Polymerization." J. Macro. Sci. Revs. Macro. Chem., 25, 57 (1985).


  41. Ray, W.H. "Polymerization Reactor Control." Proceedings 1985 American Automatic Control Conference, Boston. Also appeared in IEEE Control Systems, 6, 3 (1986).


  42. Choi, K.-Y. and W.H. Ray. "Polymerization of Olefins Through Heterogeneous Catalysis. II. Kinetics of Gas Phase Propylene Polymerization with Ziegler-Natta Catalysts." J. Appl. Poly. Sci., 30, 1065-1081 (1985).


  43. Stock, R.S. and W.H. Ray. "Interpretation of Photon Correlation Spectroscopy Data: A Comparison of Analysis Methods." J. Poly. Sci.: Poly. Physics Edit., 23, 1393-1447 (1985).


  44. Choi, K.-Y. and W.H. Ray. "The Dynamic Behavior of Fluidized Bed Reactors for Solid Catalysed Gas Phase Olefin Polymerization." Chem. Eng. Sci., 40, 2261-2279 (1985).


  45. Congalidis, J.P., J.R. Richards and W.H. Ray. "Modeling and Control of a CoPolymerization Reactor." American Control Conference, Seattle, WA, June 18-20 (1986).


  46. Floyd, S., G.E. Mann and W.H. Ray, "Heat and Mass Transfer Limitations and Catalyst Deactivation Effects in Olefin Polymerization for Gas Phase and Slurry Reactors." Chapter in Catalytic Polymerization of Olefins ed. by T. Keii, A. Soga and Y. Doi, Kodansha Ltd., Tokyo, (1986).


  47. Floyd, S., K.-Y. Choi, T.W. Taylor and W.H. Ray. "Polymerization of Olefins Through Heterogeneous Catalysis. III. Polymer Particle Modelling with an Analysis of Intraparticle Heat and Mass Transfer Effects." J. Appl. Poly. Sci., 32, 2935-2960 (l986).


  48. Floyd, S., K.-Y. Choi, T.W. Taylor and W.H. Ray. "Polymerization of Olefins Through Heterogeneous Catalysis. IV. Modelling of Heat and Mass Transfer Resistance in the Polymer Particle Boundary Layer." J. Appl. Poly. Sci., 3l, 223l-2265 (l986).


  49. Floyd, S., R.A. Hutchinson and W.H. Ray. "Polymerization of Olefins Through Heterogeneous Catalysis. V. Gas Liquid Mass Transfer Limitations in Liquid Slurry Reactors." J. Appl. Poly. Sci., 32, 5451-5479 (l986).


  50. Ray, W.H. "Modelling of Polymerization Phenomena." Berichte der Bunsen-Gesellshaft Phys. Chem., 90, 947-955 (l986).


  51. Hamer, J.W. and W.H. Ray. "Continuous Tubular Polymerization Reactors. I. A Detailed Model." Chem. Eng. Sci., 41, 3083-3093 (l986).


  52. Hamer, J.W. and W.H. Ray. "Continuous Tubular Polymerization Reactors. II. Experimental Studies of Vinyl Acetate Polymerization." Chem. Eng. Sci., 41, 3095-3100 (l986).


  53. Floyd, S., T. Heiskanen, T.W. Taylor, G.E. Mann, and W.H. Ray. "Polymerization of Olefins Through Heterogeneous Catalysis. VI. Effect of Particle Heat and Mass Transfer on Polymerization Behavior and Polymer Properties." J. Appl. Poly. Sci., 33, l02l-l065 (l987).


  54. Yoon, J-S. and W.H. Ray. "Simple Mechanistic Model for the Kinetics and Catalyst Activity Decay of Propylene Polymerization over TiCl3 Catalyst with DEAC Cocatalyst." I & EC Research, 26, 4l5-422 (l987).


  55. Floyd, S., G.E. Mann and W.H. Ray. "Heat and Mass Transfer Limitations and Catalyst Deactivation Effects in Olefin Polymerization for Gas Phase and Slurry Reactors." Preprint Annual AIChE Meeting, Chicago, November, l985.


  56. Christiansen, R.L., A. Kumar and W.H. Ray. "Reactor Design for Addition Polymerization under Conditions of Reversible Reaction." Preprint Annual AIChE Meeting, Chicago, November, l985.


  57. Rawlings, J.B. and W.H. Ray. "Bifurcation Structure and Stability of Emulsion Polymerization Reactors." Annual AIChE Meeting, Chicago, November, l985.


  58. Rawlings, J.B., J.C. Prindle and W.H. Ray. "A Better Understanding of Continuous Emulsion Polymerization Reactor Behavior Through Detailed Mathematical Modelling." Proceedings International Workshop on Polymer Reaction Engineering, Hruthig and Wepf Verlag, 1-17 (l986).


  59. Floyd, S., T. Heiskanen and W.H. Ray. "Prediction of Molecular Weight Distribution in Solid Catalyzed Olefin Polymerization." Preprint AIChE Annual Meeting, Miami Beach, November, l986.


  60. Stevens, C.J. and W.H. Ray. "Mathematical Modelling of Tubular Polymerization Reactors." Preprint AIChE Annual Meeting, Miami Beach, November, l986.


  61. Hutchinson, R.A. and W.H. Ray. "Polymerization of Olefins Through Heterogeneous Catalysis. VII. Particle Ignition and Extinction Phenomena." J. Appl. Poly. Sci., 34, 657-676 (l987).


  62. Stock, R.S. and W.H. Ray. "Measuring Particle Size Distribution of Latex Particles Using Dynamic Light Scattering." ACS Symposium Series, 332, Particle Size Distribution, 105-114 (l987).


  63. Schork, F.J. and W.H. Ray. "The Dynamics of the Continuous Emulsion Polymerization of Methylmethacrylate." J. Appl. Poly. Sci., 34, 1259-1276 (1987).


  64. Rawlings, J.B. and W.H. Ray. "Emulsion Polymerization Reactor Stability: Simplified Model Analysis." AIChE J., 33, l663-l677 (l987).


  65. Arriola, D.J. and W.H. Ray. "A Framework for Modelling Complex Addition Polymerization Kinetics." Preprint AIChE Annual Meeting, New York, November l987.


  66. Prindle, J.C. and W.H. Ray. "Emulsion Polymerization Model Development for Operation Below the CMC." Preprint AIChE Annual Meeting, New York, November l987.


  67. Teymour, F.A. and W.H. Ray. "The Dynamic Behavior of the Solution Polymerization of Vinyl Acetate in a CSTR." Preprint AIChE Annual Meeting, New York, November l987.


  68. Rawlings, J.B. and W.H. Ray. "Stability of Continuous Emulsion Polymerization Reactors: A Detailed Model Analysis." Chem. Eng. Sci., 42, 2767-2777 (l987).


  69. Rawlings, J.B. and W.H. Ray. "The Modeling of Batch and Continuous Emulsion Polymerization Reactors. Part I: Model Formulation and Sensitivity to Parameters". Polym. Engr. and Sci., 28, 237-256 (1988).


  70. Rawlings, J.B. and W.H. Ray. "The Modeling of Batch and Continuous Emulsion Polymerization Reactors. Part II: Comparison with Experimental Data from Continuous Stirred Tank Reactors". Polym. Engr. and Sci., 28, 257-274 (1988).


  71. Choi, K.-Y. and W.H. Ray. "The Dynamic Behavior of Continuous Stirred-Bed Reactors for the Solid Catalyzed Gas Phase Polymerization of Propylene". Chem. Engr. Sci, 43, 2587-2604.(1988).


  72. Floyd, S., Heiskanen, T. and W.H. Ray. "Solid Catalyzed Olefin Polymerization." Chem. Engr. Progress, 56-62 (Nov. 1988).


  73. Teymour, F. and W.H. Ray. "Complex Dynamics in Solution Polymerization Reactors." Preprint AIChE Annual Meeting, Washington, D.C., Nov.-Dec. 1988.


  74. Barandiaran, M.J., Prindle, J.C. and W.H. Ray. "The Ettects of Chain Transfer Agents on the Stability of Continuous Emulsion Polymerization Reactors." Preprint AIChE Annual Meeting, Washington, D.C., Nov.-Dec. 1988.


  75. Hutchinson, R.A. and W.H. Ray. "Sorption Effects in Heterogeneous Catalyzed Olefin Polymerization." Preprint AIChE Annual Meeting, Washington, D.C., Nov.-Dec. 1988.


  76. Ray, W.H. "Practical Benefits from Modelling Olefin Polymerization Reactors", Transition Metal Catalyzed Polymerization: Ziegler-Natta and Metathesis Polymerization, Cambridge Univ. Press (1989).


  77. Ray, W.H. "Computer-Aided Design, Monitoring, and Control of Polymerization Processes"; in Polymer Reaction Engineering (ed. by K-H. Reichert and W. Geisler) p. 105-122, VCH Publishers (1989).


  78. Teymour, F. and W.H. Ray. "The Dynamic Behavior of Continuous Solution Polymerization Reactors - IV. Dynamic Stability and Bifurcation Analysis of an Experimental Reactor". Chem. Eng. Sci., 44, 1967-1982 (1989).


  79. Stevens, Carl J. and W. Harmon Ray. "Mathematical Modeling of Bulk and Solution Polymerization in a Tubular Reactor". Reprinted from ACS Symposium Series No. 404 (1989).


  80. Congalidis, J.P., Richards, J.R., and W. Harmon Ray. "Feedforward and Feedback Control of a Solution Copolymerization Reactor". AIChE Journal, 35, 891-907 (1989).


  81. Teymour, F and W. H. Ray. "Improved Operation of a Semi-Batch Polymerization Reactor Using Flow Rate Scheduling". Preprint AIChE Annual Meeting, San Francisco, CA, Nov. 1989.


  82. Sauer, B.B., Stock, R.S., Lim, K-H., and W. H. Ray. "Polymer Latex Particle Size Measurement Through High Speed Dielectric Spectroscopy". J. of Applied Polymer Science, 39, 2419Ð2441 (1990).


  83. Hutchinson, R.A. and W. H. Ray. "Polymerization of Olefins through Heterogeneous Catalysis. VIII. Monomer Sorption Effects." J. of Applied Polymer Science, 41, 51-81, (1990).


  84. Ray, W. H. "Modelling of Addition Polymerization Processes - Free Radical, Ionic, Group Transfer, and Ziegler-Natta Kinetics." Canadian Journal of Chemical Engineering, 69, 626-629, (1991).


  85. Yuan, H. G., Kalfas, G., and W. H. Ray. "Suspension Polymerization." J. Macromolecular Science, Vol. C31, (2 & 3), 215-299, (1991).


  86. Hutchinson, R. A. and W. H. Ray. "Polymerization of Olefins Through Heterogeneous Catalysis IX - Experimental Study of Propylene Polymerization Over a High Activity MgCl2-Supported Ti Catalyst". Journal of Applied Polymer Science, Vol 43, 1271-1285, (1991).


  87. Hutchinson, R. A. and W. H. Ray. "Polymerization of Olefins Through Heterogeneous Catalysis - The Effect of Condensation Cooling on Particle Ignition". Journal of Applied Polymer Science, Vol. 43, 1387-1390, (1991).


  88. Canu, P. and W. H. Ray. "Discrete Weighted Residual Methods Applied to Polymerization Reactions". Computers in Chemical Engineering, Vol. 15, 549-564, (1991).


  89. Hutchinson, R. A. "Effect of Particle Size in Heterogeneous Catalyzed Olefin Copolymerization - Modelling and Experimental Results". Preprint of paper presented at 1991 Annual AIChE Meeting, Los Angeles, November 1991.


  90. Ray, W. H. "Modeling and Control of Polymerization Reactors". Proceedings DYCORD-'92, College Park, MD, April 1992.


  91. Pinto, J. C. and W. H. Ray. "The Dynamics of Continuous Solution Copolymerization Reactors-Effect of Feed Impurities". Preprint of paper presented at 1991 Annual AIChE Meeting, Los Angeles, November 1991.


  92. Kalfas, G., Yuan, H. G., and W. H. Ray. "Studies of Batch and Continuous Aqueous Suspension Polymerization Reactors." Preprint of paper presented at 1991 Annual AIChE Meeting, Los Angeles, November 1991.


  93. Teymour, F. and W. H. Ray. "Chaos, Intermittency and Hysteresis in the Dynamic Model of a Polymerization Reactor". Chaos, Solitons & Fractals, Vol. 1, No. 4, 295-315, (1991).


  94. Hutchinson, R. A., Chen, C. M. and W. H. Ray. "Polymerization of Olefins through Heterogeneous Catalysis X: Modeling of Particle Growth and Morphology". Journal of Applied Polymer Science, Vol. 44, 1389-1414, (1992).


  95. Jacobsen, L. L. and W. H. Ray. "Analysis and Design of Melt and Solution Polycondensation Processes". AIChE Journal, Vol. 38, 6, 911-925, 1992.


  96. Appert, T, Jacobsen, L. L. and W. H. Ray. "A General Framework for Modelling Polycondensation Processes". 4th International Workshop on Polymer Reaction Engineering, October 12-14, 1992.


  97. Jacobsen, L. L. and W. H. Ray. "Unified Modeling for Polycondensation Kinetics". J. Macromolecular Science, C 32 (3 & 4), 407-519 (1992).


  98. Ray, W. H. "Progress in Pollution Prevention Through Precision Process Modeling, Design, and Operation". Precision Proces Technology Conference, October 27-29, 1992, Interduct, Delft, NETHERLANDS.


  99. Teymour, F. and W. H. Ray. "The Dynamic Behavior of Continuous Polymerization Reactors-V. Experimental Investigation of Limit-Cycle Behavior for Vinyl Acetate Polymerization". Chem. Eng. Sci., 47, 15/16, 4121-4132 (1992).


  100. Teymour, F. and W. H. Ray. "The Dynamic Behavior of Continuous Polymerization Reactors-VI. Complex Dynamics in Full-Scale Reactors". Chem. Eng. Sci., 47, 15/16, 4133-4140 (1992).


  101. Debling, J. A., G. C. Han, F. Kuijpers, J. Verburg, J. Zacca and W. H. Ray. "Dynamic Modeling of Grade Transitions in Olefin Polymerization". RETEC '93, Houston, Texas, February, 1993.


  102. Chen, C. M. and W. H. Ray. "Polymerization of Olefins through Heterogeneous Catalysis XI: Gas Phase Sequential Polymerization Kinetics". Journal of Applied Polymer Science, 49, 1573-1588 (1993).


  103. Jaber, I. A. and W. H. Ray. "Polymerization of Olefins through Heterogeneous Catalysis XII. The Influence of Hydrogen in the Solution Copolymerization of Ethylene". Journal of Applied Polymer Science, 49, 1965-1707 (1993).


  104. Jaber, I. A. and W. H. Ray. "Polymerization of Olefins through Heterogeneous Catalysis.XIII. The Influence of Comonomer in the Solution Copolymerization of Ethylene". Journal of Applied Polymer Science, 49, 1709-1724 (1993).


  105. Kalfas, G. and W. H. Ray. "Modeling and Experimental Studies of Aqueous Suspension Polymerization Processes. I. Modeling and Simulations". I&EC Research, 32, 1822-1830 (1993).


  106. Kalfas, G., Yuan, H., and W. H. Ray. "Modeling and Experimental Studies of Aqueous Suspension Polymerization Processes. II. Experiments in Batch Reactors". I&EC Research, 32, 1831-1838 (1993).


  107. Jaber, I. A. and W. H. Ray. "Polymerization of Olefins through Heterogeneous Catalysis. XIV. The Influence of Temperature in the Solution Copolymerization of Ethylene". Journal of Applied Polymer Science, 50, 201-215 (1993).


  108. Jaber, I. A. and W. H. Ray. "Polymerization of Olefins through Heterogeneous Catalysis. XV. The Influence of Pressure in the Solution Copolymerization of Ethylene". Journal of Applied Polymer Science, 50, 217-231 (1993).


  109. Zacca, J. J. and W. H. Ray. "Modelling of the Liquid Phase Polymerization of Olefins in Loop Reactors". Chem. Eng. Sci., 48, 22, 3743-3765 (1993).


  110. Hyanek, I., J. Zacca, F. Teymour, and W. H. Ray. "Dynamics and Stability of Polymerization Process Flowsheets Using POLYRED". Proceedings ADCHEM '94, Kyoto, Japan, May 1994.


  111. Ochs, S., P. Rosendorf, I. Hyanek, and W. H. Ray. "Dynamic Flowsheet Modeling of Polymerization Processes Using POLYRED". Proceedings PSE '94, Kyonju, Korea, June 1994.


  112. Semino, D. and W. H. Ray. "Population Balance Control: Controllability Theory and Chemical Process Examples". Proceedings PSE '94, Kyonju, Korea, June 1994.


  113. Paquet, D. A., Jr. and W. H. Ray. "Tubular Reactors for Emulsion Polymerization: I. Experimental Investigation". AIChE Journal, 40, 1, 73-87 (1994).


  114. Paquet, D. A., Jr. and W. H. Ray. "Tubular Reactors for Emulsion Polymerization: II. Model Comparisons with Experiments". AIChE Journal, 40, 1, 88-96 (1994).


  115. Debling, J., G. Han, F. Kuijpers, J. VerBurg, J. Zacca, and W. H. Ray. "Dynamic Modeling of Product Grade Transitions for Olefin Polymerization Processes". AIChE Journal, 40, 3, 506-520 (1994).


  116. Pinto, J.C. and W. H. Ray. "The Dynamic Behavior of Continuous Solution Polymerization Reactors-VII. Experimental Study of a Copolymerization Reactor". Chem. Eng. Sci., 50, 4, 715-736 (1995).


  117. Pinto, J.C. and W. H. Ray. "The Dynamic Behavior of Continuous Solution Polymerization Reactors-VIII. A Full Bifurcation Analysis of a Lab-Scale Copolymerization Reactor". Chem. Eng. Sci., 50, 6, 1041-1056 (1995).


  118. Semino, D. and W. H. Ray. "Control of Systems Described by Population Balance Equations-I. Controllability Analysis". Chem. Eng. Sci., 50, 11, 1805-1824 (1995).


  119. Semino, D. and W. H. Ray. "Control of Systems Described by Population Balance Equations-II. Emulsion Polymerization with Constrained Control Action". Chem. Eng. Sci., 50, 11, 1825-1839 (1995).


  120. Zacca, J. J., S. X. Zhang, and W. H. Ray. "Reactor Runway Phenomena in Polymerization Processes". "International Symposium on Runway Reactions and Pressures Relief Design", G. A. Melhem and H. G. Fischer, Ed., AiChE Press, 580-604 (1995).


  121. Debling, J. and W. H. Ray. "Heat and Mass Transfer Effects in Multistage Polymerization Processes". I&EC Research, 34, 10, 3466-3480 (1995).


  122. Hyanek, I., J. Zacca, F. Teymour, and W. H. Ray, "Dynamics and Stability of Polymerization Process Flow Sheets". I&EC Research, 34, 11, 3872-3877 (1995).


  123. Zacca, J. J., J. A. Debling, and W. H. Ray, "Reactor Residence Time Distribution Effects on the Multistage Polymerization of Olefins". Proceedings 5th DECHEMA Workshop on Polymer Reaction Engineering, Berlin (1995).


  124. Saldívar, E. and W. H. Ray, "Detailed Modeling of Emulsion Copolymerization Processes". Proceedings 5th DECHEMA Workshop on Polymer Reaction Engineering, Berlin (1995).


  125. Hipp, A. K. and W. H. Ray, "A Dynamic Model for Condensation Polymerization in Tubular Reactors". Chemical Engineering Science, 51, 2, 281-294 (1996).


  126. Pinto, J. C. and W. H. Ray, "The Dynamic Behavior of Continuous Solution Polymerization Reactors-IX. Effects of Inhibition". Chemical Engineering Science, 51, 1, 63-79 (1996).


  127. Ochs, S., P. Rosendorf, I. Hyanek, X. Zhang, and W. H. Ray. "Dynamic Flowsheet Modeling of Polymerization Processes Using POLYRED". Computers Chem. Engng., 20, 6/7, 657-663, (1996).


  128. Zacca, J. J., J. A. Debling, and W. H. Ray. "Reactor Residence Time Distribution Effects on the Multistage Polymerization of Olefins - I. Basic Principles and Illustrative Examples, Polypropylene". Chemical Engineering Science, 51, 21, 4859-4886 (1996)


  129. Zhang, S. X., N. K. Read, and W. H. Ray. "Runaway Phenomena in Low Density Polyethylene Autoclave Reactors". AIChE Journal 42, 10, 2911-2925 (1996).


  130. Read, N. K., S. X. Zhang, and W. H. Ray. "Simulations of a LDPE Reactor Using Computational Fluid Dynamics". AIChE Journal, 43, 1, 104-117 (1997).


  131. Han-Adebekun, G. C., J. A. Debling, and W. H. Ray. "Polymerization of Olefins Through Heterogeneous Catalysis. XVI. Design and Control of a Laboratory Stirred Bed Copolymerization Reactor". Journal of Applied Polymer Science, 64, 373-382 (1997).


  132. Zhang, S. X. and W. H. Ray. "Modeling and Experimental Studies of Aqueous Suspension Polymerization Processes. 3. Mass-Transfer and Monomer Solubility Effects". Industrial & Engineering Chemistry Research, 36, 4, 1310-1321 (1997).


  133. Saldívar, E. and W. H. Ray. "Mathematical Modeling of Emulsion Copolymerization Reactors: Experimental Validation and Application to Complex Systems". Industrial & Engineering Chemistry Research, 36, 4, 1322-1336 (1997).


  134. Zacca, Jorge J., Jon A. Debling, and W. H. Ray.
    "Reactor Residence-Time Distribution Effects on the Multistage Polymerization of Olefins. Part II. Polymer Properties - Bimodal Polypropylene and Linear Low Density Polyethylene". Chemical Engineering Science, 52, 12, 1941-1967 (1997).


  135. Debling, Jon A., Jorge J. Zacca, and W. H. Ray. "Reactor Residence-Time Distribution Effects on the Multistage Polymerization of Olefins. Part III: Multi-layered Products: Impact Polypropylene". Chemical Engineering Science, 52, 12, 1969-2001 (1997).


  136. Zhang, Simon X. and W. H. Ray. "Modeling of Imperfect Mixing and Its Effects on Polymer Properties". AIChE J., 43, 5, 1265-1277 (1997).


  137. Han-Adebekun, G. C. and W. H. Ray. "Polymerization of Olefins Through Heterogeneous Catalysis. XVII. Experimental Study and Model Interpretation of Some Aspects of Olefin Polymerization Over a TiCl4/MgCl2 Catalyst". Journal of Applied Polymer Science, 65, 1037-1052 (1997).


  138. Shaffer, W. K. A. and W. H. Ray. "Polymerization of Olefins Through Heterogeneous Catalysis. XVIII. A Kinetic Explanation for Unusual Effects". Journal of Applied Polymer Science, 65, 1053-1080 (1997).


  139. Han-Adebekun, G. C., M. Hamba, and W. H. Ray. "Kinetic Study of Gas Phase Olefin Polymerization with a TiCl4/MgCl2 Catalyst I. Effect of Polymerization Conditions". J. Polymer Science Part A: Polymer Chemistry, 35, 2063-2074 (1997).


  140. Hamba, M., G. C. Han-Adebekun, and W. H. Ray. "Kinetic Study of Gas Phase Olefin Polymerization with a TiCl4/MgCl2 Catalyst II. Kinetic Parameter Estimation and Model Building". J. Polymer Science Part A: Polymer Chemistry, 35, 2075-2096 (1997).


  141. Saldívar, E. and W. H. Ray. "Control of Semicontinuous Emulsion Copolymerization Reactors", AIChE J. 43, 8, 2021-2033 (1997).


  142. Saldívar, Enrique, Petros Dafniotis, and W. H. Ray. "Mathematical Modeling of Emulsion Copolymerization Reactors I. Model Formulation and Application to Reactors Operating with Micellar Nucleation Journal of Macromolecular Science ñ Reviews in Macromolecular Chemistry & Physics,C38(2), 207-325 (1998).


  143. Mallon, Frederick K. and W. H. Ray. "Enhancement of Solid-State Polymerization with Microwave Energy". Journal of Applied Polymer Science, 69, 1203-1212 (1998).


  144. Mallon, Frederick K. and W. H. Ray. "A Comprehensive Model for Nylon Melt Equilibria and Kinetics". Journal of Applied Polymer Science, 69, 1213-1231 (1998).


  145. Mallon, Frederick K. and W. H. Ray. "Modeling of Solid-State Polycondensation. I. Particle Models". Journal of Applied Polymer Science, 69, 1233-1250 (1998).


  146. Villa, Carlos M., J. O. Dihora, and W. H. Ray. "Effects of Imperfect Mixing on Low-Density Polyethylene Reactor Dynamics". AIChE Journal, 44, 7, 1646-1656 (1998).


  147. Mallon, Frederick K., Kenneth Beers, Andrew Ives, and W. H. Ray. "The Effect of the Type of Purge Gas on the Solid-State Polymerization of Polyethylene Terepthalate". Journal of Applied Polymer Science, 69, 1789-1791 (1998).


  148. Mallon, Frederick K. and W. H. Ray. "Modeling of Solid-State Polycondensation. II. Reactor Design Issues". Journal of Applied Polymer Science, 69, 1775-1788 (1998).


  149. Debling, J. A. and W. H. Ray. "Morphological Development of Impact Polypropylene Produced in the Gas Phase with a TiCl4/MgCl2 Catalyst". Proceedings 6th DECHEMA Workshop on Polymer Reaction Engineering, Berlin, Germany (1998).


  150. Villa, C. M., B. L. Van Horn, and W. H. Ray. "Dynamics of Polymerization Reactors with Evaporative Cooling and Wall Heat Transfer". Polymer Reaction Engineering, 7, 2, 151-194 (1999).


  151. Debling, J., S. D. Naik, and W. H. Ray. "A Fundamental Approach to Modeling Polyolefin Particle Morphology". Preprint for SPE International Polyolefins Conference XI, Houston, TX, Feb. 1999.


  152. Takeda, M. and W. H. Ray. "Optimal-Grade Transition Strategies for Multistage Polyolefin Reactors". AIChE Journal, 45, 8, 1776-1793 (1999).


  153. Villa, Carlos M. and W. H. Ray. "Nonlinear Dynamics Found in Polymerization Processes ­ A Review". Chemical Engineering Science, 55, 2, 275-290 (1999).


  154. Gorbach, Andreas, S. D. Naik, and W. H. Ray. "Dynamics and Stability Analysis of Solid Catalyzed Gas Phase Polymerization of Olefins in Continuous Stirred Bed Reactors". Chemical Engineering Science, 55, 4461-4479 (2000).


  155. Beers, Kenneth C. and W. H. Ray. "A Linkage Moment Approach to Modeling Condensation Polymerization with Multiple Monomers. I. Linear Polymers". Journal of Applied Polymer Science, 79, 246-265 (2001).


  156. Beers, Kenneth C. and W. H. Ray. "A Linkage Moment Approach to Modeling Condensation Polymerization with Multiple Monomers. II. Extension to Nonlinear Polymers". Journal of Applied Polymer Science, 79, 266-274 (2001).


Last updated January 2001.

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