Solid scintillation proximity membranes. I: Characterization of polysulfone-inorganic fluor morphologies precipitated from NMP solutions

Journal of Membrane Science

Volumn 140, Issue 2, 1998, Pages 235-242

  Han, Myeong Jin ^a   Bummer, Paul M ^b   Jay, Michael ^b  

^a Kyungil University   (South Korea)

^b UNIVERSITY OF KENTUCKY   (United States)

Author keywords

Fluor; Liquid liquid phase separation; Polysulfone; Vitrification

Indexed keywords

COAGULATION; EVAPORATION; IMPREGNATION; MOLECULAR STRUCTURE; MORPHOLOGY; NUCLEATION; PHASE SEPARATION; POLYSULFONES; PRECIPITATION (CHEMICAL); SOLIDIFICATION; VITRIFICATION; YTTRIUM COMPOUNDS;

CERIUM ACTIVATED YTTRIUM SILICATE; FLUORS; SOLID SCINTILLATION PROXIMITY MEMBRANES;

POLYMERIC MEMBRANES;

2 PYRROLIDONE DERIVATIVE; CERIUM; METHYL GROUP; POLYMER; POLYSULFONE; YTTRIUM SILICATE Y 90;

ARTICLE; EVAPORATION; FLUOR; LIQUID; MEMBRANE BIOLOGY; PHASE SEPARATION; PRECIPITATION; PRIORITY JOURNAL; SCINTILLATION; SOLID;

EID: 0032542682     PISSN: 03767388     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0376-7388(97)00276-7     Document Type: Article

References (14)

1. U.S. Nuclear Regulatory Commission, "Radiation safety surveys at medical institutions", Washington, DC, NRC Regulatory Guide 8.23, Revision 1, January 1981.
2. Reuvers A.J., Berg J.W.A.v.d., Smolders C.A. Formation of membranes by means of immersion precipitation. I. A model to describe mass transfer during immersion precipitation. J. Membr. Sci. 34:1987;45.
3. Tsay C.S., McHugh A.J. Mass transfer modelling of asymmetric membrane formation by phase inversion. J. Polym. Sci., Part B, Polym. Phys. 28:1990;1327.
4. Radovanovic P., Thiel S.W., Hwang S.T. Formation of asymmetric polysulfone membranes by immersion precipitation. Part I: Modelling mass transport during gelation. J. Membr. Sci. 65:1992;213.
5. S.S. Kim, D.R. Lloyd, Thermodynamics of polymer/diluent systems for thermally induced phase separation: 1. Determination of equation of state parameters, Polymer 33 (1992) 1026.
6. Gaides G.E., McHugh A.J. Gelation in an amorphous polymer: a discussion of its relation to membrane formation. Polymer. 30:1989;2118.
7. H. Tompa, Polymer Solution, Academic Press, New York, 1956.
8. Pouchly J., Zivny A., Solc K. Thermodynamic equilibrium in the system macromolecular coil-binary solvent. J. Polym. Sci. Polym. Symp. 23:1968;245.
9. Han M.J., Bhattacharyya D. Morphology and transport study of phase inversion polysulfone membranes. Chem. Eng. Comm. 128:1994;197.
10. Wijmans J.G., Baaij J.P.B., Smolders C.A. The mechanism of formation of microporous or skinned membranes produced by immersion precipitation. J. Membr. Sci. 14:1983;231.
11. Yilmaz L., McHugh A.J. Modelling of asymmetric membrane formation, I, Critique of evaporation models and development of a diffusion equation formalism for the quench period. J. Membr. Sci. 28:1986;287.
12. Radovanovic P., Thiel S.W., Hwang S.T. Formation of asymmetric polysulfone membranes by immersion precipitation, Part II, The effects of casting solution and gelation bath compositions on membrane structure and skin formation. J. Membr. Sci. 65:1992;231.
13. Han M.J., Bhattacharyya D. Characterization of reverse osmosis cellulose acetate membranes by gas adsorption method: effect of casting variables and chlorine damage. J. Membr. Sci. 62:1991;325.
14. Han M.J., Bhattacharyya D. Changes in morphology and transport characteristics of polysulfone membranes prepared by different demixing conditions. J. Membr. Sci. 98:1995;191.