How the Solute Polydispersity Affects the Cloud-Point and Coexistence Pressures in Propylene and Ethylene Solutions of Alternating Poly(ethylene-co-propylene)

Industrial and Engineering Chemistry Research

Volumn 36, Issue 12, 1997, Pages 5520-5525

  Han, S Joon ^a   Gregg, Christopher J ^b   Radosz, Maciej ^c  

^a EXXONMOBIL UPSTREAM RESEARCH COMPANY   (United States)

^b BOC Group   (United States)

^c LOUISIANA STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

POLYETHYLENES; POLYPROPYLENES; SOLUBILITY; SOLUTIONS;

CLOUD POINT; COEXISTENCE PRESSURE; POLYDISPERSITY;

COPOLYMERS;

EID: 0031333610     PISSN: 08885885     EISSN: None     Source Type: Journal    
DOI: 10.1021/ie960504z     Document Type: Article

References (16)

1. Aubert, J. H.; Clough, R. L. Low-Density, Microcellular Polystyrene Foams. Polymer 1985, 26, 2047.
2. Aubert, J. H.; Sylwester, A. P. Microcelluar Foam? Here's How! CHEMTECH 1991, 21, 234.
3. Chen S.-J.; Randelman, R. E.; Seldomridge, R. L.; Radosz, M. Mass Spectrometer Composition Probe for Batch Cell Studies of Supercritical Fluid Phase Equilibria. J. Chem. Eng. Data 1993, 38, 211.
4. Daneshvar, M.; Gulari, E. Supercritical-Fluid Fractionation of Poly(ethylene glycols). J. Supercrit. Fluids 1992, 5, 143.
5. DeSimone, J. M.; Guan, Z.; Elsbernd, C. S. Synthesis of Fluoropolymers in Supercritical Carbon Dioxide. Science 1992, 257, 945.
6. DeSimone, J. M.; Maury, E. E.; Menceloglu, Y. Z.; McClain, J. B.; Romack, T. J.; Combes, J. R. Dispersion Polymerizations in Supercritical Carbon Dioxide. Science 1994, 265, 356.
7. Dixon, D. J.; Johnston, K. P. Formation of Microporous Polymer Fibers and Oriented Fibrils by Precipitation with a Compressed Fluid Antisolvent. J. Appl. Polym. Sci. 1993, 50, 1929.
8. Huang, S. H.; Radosz, M. Equation of State for Small, Large, Polydisperse, and Associating Molecules. Ind. Eng. Chem. Res. 1990, 29, 2284.
9. Kiran, E. Polymer Formation, Modifications and Processing in or with Supercritical Fluids. In Supercritical Fluids; Kiran, E., Levelt Sengers, J. M. H., Eds.; Kluwer Academic Publishers: Dordrecht, The Netherlands, 1994.
10. Kiran, E.; Xiong, Y.; Zhung, W. Effect of Polydispersity on the Demixing Pressures of Polyethylene in Near- or Supercritical Alkanes. J. Supercrit. Fluids 1994, 7, 283.
11. Lele, A. K.; Shine, A. Effect of RESS Dynamics on Polymer Morphology. Ind. Eng. Chem. Res. 1994, 33 (6), 1476.
12. Mawson, S.; Johnston, K. P.; Combes, J. R.; DeSimone, J. M. Formation of Poly(1,1,2,2-tetrahydroperfluorodecyl acrylate) Submicron Fibers and Particles from Supercritical Carbon Dioxide Solutions. Macromolecules 1995, 28, 3182.
13. McHugh, M. A.; Krukonis, V. J. Polymer Fractionation Process. Supercritical Fluid Extraction, 2nd ed.; Butterworth-Heinemann: Boston, 1994; p 192.
14. Petersen, R. C.; Matson, D. W.; Smith, R. D. Rapid Precipitation of Low Vapor Pressure Solids from Supercritical Fluid Solutions: The Formation of Thin Films and Powders. J. Am. Chem. Soc. 1986, 108, 2100.
15. Pradhan, D.; Chen, C.-K.; Radosz, M. Fractionation of Polystyrene with Supercritical Propane and Ethane: Characterization, Semibatch Solubility Experiments, and SAFT Simulations. Ind. Eng. Chem. Res. 1994, 33, 1984.
16. Tom, J. W.; Debenedetti, P. G. Precipitation of Poly(L-lactic acid) and Composite Poly(L-lactic acid)-Pyrene Particles by Rapid Expansion of Supercritical Solutions. J. Supercrit. Fluids 1994, 7, 9.