Microporous membranes from isotactic polystyrene and syndiotacti

Details Microporous membranes from isotactic polystyrene and syndiotacti Microporous membranes from isotactic polystyrene and syndiotacti

1989-07-14

1990-05-22

Sever, Frank

Liquid purification or separation

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21050034, B01D 1301

Patent

active

049275356

ABSTRACT:
This invention relates to novel semi-permeable isotropic or anisotropic microporous membranes fabricated from a mixture of isotactic polystyrene and syndiotactic polystyrene and a method of producing such membranes.

REFERENCES:
patent: 2988783 (1961-07-01), Miller et al.
patent: 3019077 (1962-01-01), Carey et al.
patent: 3046245 (1962-07-01), Kern et al.
patent: 3061570 (1962-10-01), Kern et al.
patent: 3069406 (1962-12-01), Newman et al.
patent: 3078139 (1963-02-01), Brown et al.
patent: 3092891 (1963-06-01), Baratti
patent: 3303159 (1967-02-01), Saunders
patent: 3342920 (1967-09-01), Fukushima et al.
patent: 3725520 (1973-04-01), Suzuki et al.
patent: 3896061 (1975-07-01), Tanzawa et al.
patent: 3903023 (1975-09-01), Boutillier et al.
patent: 4403069 (1983-09-01), Keller et al.
patent: 4539256 (1985-09-01), Shipman
patent: 4595707 (1986-06-01), McCreedy et al.
patent: 4680353 (1987-07-01), Ishihara et al.
patent: 4813983 (1989-03-01), Nohmi et al.
patent: 4859339 (1989-08-01), Wessling et al.
Aubert, J. H., Polym. Prepr. (Am. Chem. Soc., Div. Polym. Chem.), 28(1), 147-8, (1987).
Guenet, J. M., and McKenna, G. B., J. Polymer Sci., Part B: Polym. Phys., 24(11), 2499-508, (1986).
Guenet, J. M., Macromolecules, 19(7), 1961-8, (1986).
Guenet, J. M., Polym. Bull. (Berlin), 14(1), 105-8, (1985).
Roots, J., Nystroem, B., and Higgins, J. S., Polym. Commun., 26(8), 229-31, (1985).
Guenet, J. M., Wittmann, J. C., and Lotz, B., Macromolecules, 18(3), 420-7, (1985).
Atkins, E. D. T., Hill, M. J., Jarvis, D. A., Keller, A., Sarhene, E., and Shapiro, J. S., Colloid Polym. Sci., 262(1), 22-45, (1984).
Sundararajan, P. R., Tyrer, N., and Bluhm, T., Macromolecules, 15(2), 286-90, (1982).
Sundararajan, P. R., Tyrer, N., and Bluhm, T., Polym. Bull. (Berlin), 6(5-6), 285-9, (1982).
Atkins, E. D. T., Keller, A., Shapiro, J. S., and Lemstra, P. J., Polymer, 22(9), 1161-4, (1981).
Painter, P. C., Kessler, R. E., and Snyder, R. W., J. Polym. Sci., Polym. Phys. Ed., 18(4), 723-9, (1980).
Wellinghoff, S., Shaw, J., and Baer, E., Macromolecules, 12(5), 932-9, (1979).
Girolamo, M., Keller, A., Miyasaka, K., and Overbergh, N., J. Polym. Sci., Polym. Phys. Ed., 14(1), 39-61, (1976).
Lemstra, P. J., and Challa, G., J. Polym. Sci., Polym. Phys. Ed., 13(9), 1809-17, (1975).
Helms, J. B., and Challa, G., J. Polym. Sci., Part A-2, 10(4), 761-5, (1972).
Blais, P., and Manley, R. St. John, J. Polym. Sci., Polym. Phys. Ed., 4(6), 1022-4, (1966).
Vittoria, "Solvent-Induced Crystallization of Glassy Syndiotactic Polystyrene," Aug. 1, 1988.
Immirzi et al., "Solvent-Induced Polymorphism in Syndiotactic Polystyrene," Jul. 11, 1988.
Campbell, Tod W., and Haven, Jr., A. C., "The Relationship Between Structure and Properties of Crystalline, High-Melting Polyhydrocarbons," 1959.

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