PRELIMINARY PROGRAM

SUPERCRITICAL FLUIDS
IN MATERIALS PROCESSING AND SYNTHESIS

September 26- October 1, 1999
Davos, Switzerland

Conference Chair:
Prof. Esin Gulari
Chemical Engineering and Materials Science Department
Wayne State University, USA

United Engineering Foundation, Inc.
Three Park Avenue, 27th Floor
New York, NY 10016-5902
T: 1-212-591-7836 - F: 1-212-591-7441
E-mail: engfnd@aol.com WWW: http://www.engfnd.org

Posters

Sunday, September 26, 1999

17:00 - 19:00 Registration at Cresta Sun Hotel

19:00 - 20:30 Dinner

20:30 - 21:30 Opening Reception

Monday, September 27, 1999

07:00 - 08:30 Breakfast

08:30 - 09:00 Welcome and Introductions
Esin Gulari, Conference Chair
Herman Bieber, United Engineering Foundation Liaison

SESSION I:
POLYMER SYNTHESIS AND CHARACTERIZATION
Session Chair: TBA

09:00 - 09:40 Joseph M. DeSimone
University of North Carolina / North Carolina State University, USA
Polymer Synthesis in Carbon Dioxide: From Step Growth Polymerizations to Surfactant Mediated Heterogeneous Chain Growth Polymerizations

09:40 - 10:10 Eric J. Beckman
University of Pittsburgh, USA
Design of CO2-philic Hydrocarbons: New Building Blocks for CO2-Soluble Surfactants and Chelating Agents

10:10 - 10:30 Coffee Break

10:30 - 11:10 Mark McHugh
Johns Hopkins University, USA
Macroscopic and Microscopic Behavior of Polymers in Supercritical Fluid Solvents

11:10 - 11:50 Theo V. de Loos
Delft University of Technology, Netherlands
High Pressure Phase Behavior of Systems with Polymers and Supercritical Gases

11:50 - 12:30 Erdogan Kiran
University of Maine, USA
Pressure-Induced Phase Separation in Polymer Solutions in Near-Critical and Supercritical Fluids: Kinetics of New Phase Growth and Crossover from Nucleation and Growth to Spinodal Decomposition

12:30 - 14:00 Lunch

14:00 - 16:30 Ad hoc sessions and/or free time

16:30 - 16:45 Coffee Service

SESSION II:
POLYMER CHARACTERIZATION AND PROCESSING
Session Chair: TBA

16:45 - 17:25 Michael Buback
University of Goettingen, Germany
In-Situ Vibrational Spectroscopy Applied Toward the Detailed Study of Free-Radical Fluid Phase Polymerizations

17:25 - 18:05 Ben Chu
SUNY at Stony Brook, USA
Light Scattering and SAXS Studies of Block Copolymers in Supercritical Carbon Dioxide

18:05 - 18:20 Break

18:20 - 19:00 Charles W. Manke and Esin Gulari
Wayne State University, USA
Rheology of Molten Polymers Swollen with Dissolved Supercritical Fluids

19:00 - 19:40 James J. Watkins
University of Massachusetts, USA
Chemistry and Processing in SCF-Swollen Polymers: Kinetic and Thermodynamic Consequences

19:40 - 20:10 David L. Tomasko
Ohio State University, USA
Carbon Dioxide-Enhanced Polymer Compounding

20:10 - 20:30 Discussion

20:30 - 22:00 Dinner

22:00 - 23:00 Social Hour

Tuesday, September 28, 1999

07:00 - 08:30 Breakfast

SESSION III:
PARTICLE GENERATION BY EXPANSION OR PRECIPITATION METHODS
Session Chair: TBA

08:30 - 09:10 Michel Perrut
Separex, France
Particle Design Using Supercritical Fluids: Survey of Literature and Patents

09:10 - 09:50 Ernesto Reverchon
Universita degli Studi di Salerno, Italy
Production of Micro- and Nano-Particles by Supercritical Fluid Assisted Precipitation Techniques: Experimental Results and Mathematical Modeling

09:50 - 10:20 Barbara Knutson
University of Kentucky, USA
Solvent Effects on Microparticle Formation Using Compressed CO2 and Liquid CO2-Like Anti-Solvents

10:20 - 10:50 Coffee Break

10:50 - 11:20 Cor J. Peters
Delft University of Technology, Netherlands
Volume Expansion as a Criterion for the Selection of the Optimum Combination Solvent-Antisolvent and the Operational Conditions for the Gas-Antisolvent Process

11:20 - 12:00 Jane O. Werling and Pablo Debenedetti
Princeton University, USA
Theoretical Investigation of the Supercritical Antisolvent Process for Particle Formation

12:00 - 13:30 Lunch

13:30 - 16:45 Ad hoc sessions and/or free time

15:00 - 16:00 POSTER SESSION (Coffee will be served)

SESSION IV:
PARTICLE GENERATION BY EXPANSION OR PRECIPITATION METHODS
Session Chair: TBA

16:15 - 16:55 Theodore Randolph
University of Colorado at Boulder, USA
Controlled Drug Delivery from Polymer Microparticles Prepared Using Precipitation with a Compressed Anti-Solvent

16:55 - 17:35 Gerhard Muhrer
ETH, Switzerland
Gas Antisolvent Recrystallization of Specialty Chemicals

17:35 - 18:15 Michael Tuerk and Britta Helfgen
University of Karlsruhe, Germany
Effects of Process Conditions on Organic Nanoparticles Obtained from Rapid Expansion of Supercritical Solutions

18:15 - 18:55 Srinivas Palakodaty
Bradford Particle Design Limited, UK
Particle Formation of Pharmaceuticals and Drug Delivery Systems by the SEDS Process

18:55 - 19:35 Bala Subramaniam
University of Kansas, USA
Micronization and Coating Applications with Near-Critical Carbon Dioxide

19:35 - 19:45 Discussion

20:00 - 21:30 Dinner

21:30 - 22:30 Social Hour

Wednesday, September 29, 1999

07:00 - 08:30 Breakfast

SESSION V:
REACTIONS AND PROCESSING WITH ENVIRONMENTALLY FRIENDLY SOLVENTS
Session Chair: TBA

08:30 - 09:10 Charles L. Liotta and Charles A. Eckert
Georgia Institute of Technology, USA
Phase Transfer Catalysis in Supercritical Fluids

09:10 - 09:50 Neil Foster
University of New South Wales, Australia
Reactions in Dense Gas Expanded Solutions

09:50 - 10:20 Coffee Break

10:20 - 11:00 Joan Brennecke
University of Notre Dame, USA
Local Solvation Effects on Homogeneous Reactions in Supercritical Fluids over a Wide Range of Densities

11:00 - 11:40 Bill Tumas
Los Alamos National Laboratory, USA
Biphasic Strategies for Enhanced Separations and Catalysis Using Dense Phase Carbon Dioxide

11:40 - 12:20 Keith Johnston
University of Texas at Austin, USA
Environmentally Benign CO2: Colloid and Interface Surphase

12:20 - 12:30 Discussion

12:45 - 19:00 Boxed Lunch and Optional Excursion or Ad hoc sessions and/or free time

19:30 - 21:00 Dinner

21:00 - 22:00 Social Hour

Thursday, September 30, 1999

07:00 - 08:30 Breakfast.

SESSION VI:
PROCESSES EMPLOYING SUPERCRITICAL FLUIDS
Session Chair: TBA

08:30 - 09:10 Steve Howdle
University of Nottingham, UK
Polymers, Biomaterials and Supercritical Fluids

09:10 - 09:50 Ireneo Kikie
University of Trieste, Italy
Impregnation with Supercritical Fluids: Drug Delivery System

09:50 - 10:30 Kyung Suh
Dow Chemical Company, USA
Foams Manufacturing with Supercritical Fluids

10:30 - 11:00 Coffee Break

11:00 - 11:40 Amyn S. Teja
Georgia Institute of Technology, USA
Formation of Electrically Conducting Polymer Blends by In-Situ Processing in Supercritical Carbon Dioxide

11:40 - 12:20 Christopher B. Roberts
Auburn University, USA
Nano-Material Synthesis in Supercritical Fluid Microemulsions

12:20 - 12:30 Discussion

12:30 - 14:00 Lunch

14:00 - 16:00 Ad hoc sessions and/or free time

16:00 - 16:15 Coffee Service

16:15 SESSION VII:
PROCESSES EMPLOYING SUPERCRITICAL
FLUIDS (continued)
Chair: TBA

16:15 - 16:55 Ruben Carbonnell
North Carolina State University, USA
Polymer Coatings from Supercritical and Liquid Carbon Dioxide

16:55 - 17:35 George Roberts
North Carolina State University, USA
Reaction Engineering Supercritical in CO2-Based Polymerization Processes

17:35 - 18:15 Can Erkey
University of Connecticut, USA
Homogeneous Catalytic Hydroformylation of Olefins in
Supercritical Carbon Dioxide

18:15 - 18:55 Marco Mazzotti
ETH, Switerland
Simulated Moving Bed Chromatography of Olefins in
Supercritical Carbon Dioxide

18:55 - 19:15 Discussion

20:00 - 22:00 Conference Banquet

22:00 - 23:00 Social Hour

Friday, October 1, 1999

07:00 - 08:30 Breakfast

SESSION VIII:
DISCUSSION PANELS

08:30 - 09:30 PANEL A: POLYMERS
Discussion Leaders: Beckman, de Loos and Watkins

09:30 - 10:30 PANEL B: PARTICLE GENERATION
Discussion Leaders: Reverchon, Randolph, and Knutson

10:30 - 11:00 Coffee Break

11:00 - 12:00 PANEL C: REACTIONS AND ENVIRONMENTALLY FRIENDLY SOLVENTS

12:00 - 12:15 Conference wrap-up

12:15 - 13:30 Lunch and Departure

Return to top.

P O S T E R S

Simulated Moving Bed Chromatography with a Supercritical Eluent
Gerhard Muhrer and Marco Mazotti
ETH, Zurich, Switzerland

Micronization of Proteins Using Dense Gas Techniques
Russell Thierling, Linda Sze Tu, Fariba Dehghani, and Neil R. Foster
University of South Wales, Australia
Rana Bustami and Hak-Kim Chan
University of Sydney, Australia

Formation of Small Organic Particles Using Supercritical Fluids
Hartmut Kröber, Ulrich Teipel and Horst Krause
Fraunhofer Institut fur Chemishe Technologie, Pfinztal, Germany

Development of a Continuous High Pressure Process for Enzymatic Reactions in
Supercritical Carbon Dioxide

Andre Overmeyer, Volker Kasche, and Gerd Brunner
Technical University of Hamburg-Harburg, Germany

Heterogeneous Polymerization of Acrylic Acid in Supercritical Carbon Dioxide
Ulrich Fehrenbacher, Matthias Ballauff, Oliver Muth, and Thomas Hirth
Polymer Institut, University of Karlsruhe
Fraunhofer Institut fur Chemishe Technologie, Germany

Production of Fatty Alcohols at Supercritical Conditions
Sander van den Hark and Magnus Harrod
Chalmers University of Technology, Goteborg, Sweden

Compressed Antisolvent Processing and Photopolymerization of Crosslinked
Polymer Microparticles

Corinne Lengsfeld
University of Colorado at Boulder, USA

Investigation of the Mechanisms Governing Microparticle Formation
Corinne Lengsfeld
University of Colorado at Boulder, USA

Influences of Microparticle Crystallinity on PCA Processing and Cell Behavior
Corinne Lengsfeld
University of Colorado at Boulder, USA

Controlled Release of Growth Factors from Biodegradable Polymer Foams
Produced in Supercritical Carbon Dioxide
Michael Pishko
Texas A&M University, USA

Development of Polymer Surfaces with High Chemical Selectivity Using Rapid
Expansion of Supercritical Solutions

Gary C. Tepper
Virginia Commonwealth University, USA

Investigation of the Polymer Foaming Process
Bernd Krause
Unviersity of Twente, Netherlands

Preparation of Dry, Particulate DNA Formulations
Markus Tservistas
University College London, UK

Carbon Dioxide-Assisted Aerosolization and Bubble Drying for Pharmaceutical
Synthesis and Fine Particle Formation

Robert E. Sievers
University of Colorado, USA

Measurements and Modeling of Cloud Point Behavior for Poly(Propylene
Glycol) in Ethane and in Ethane/Cosolvent Mixtures at High Pressure

Todd M. Martin
Auburn University, USA

Extraction of Capsidiol Using Supercritical Carbon Dioxide
Ugur Salgin
University of Ankara, Turkey

Synthesis of Polycarbonate in Supercritical CO2 by Dispersed Condensation
Polymerization

Jung-Hyun Kim
Yonsei University, Korea

Synthesis of Phenolic-Furfural Aerogel Microspheres by One-Step Process
Jung-Hyun Kim
Yonsei University, Korea

Preparation of Poly(Lactic Acid) Microspheres in Supercritical Carbon Dioxide
Jung-Hyun Kim
Yonsei University, Korea

Extraction of Transition Metals from Mechanical Wood Pulp Using Supercritical
Carbon Dioxide

Kevin Thurbide
McGill University, Canada

Gas Antisolvent Recrystallization of Specialty Chemicals
Gerhard Muhrer
ETH, Switzerland

Return to top.