Microporous hollow fiber membranes formed from blends of isotactic and atactic polypropylene

Journal of Membrane Science

Volumn 164, Issue 1-2, 2000, Pages 59-65

  Gu, Bin ^a   Du, Qiangguo ^a   Yang, Yuliang ^a  

^a FUDAN UNIVERSITY   (China)

Author keywords

Atactic polypropylene; Hollow fiber; Lamella; Microporous membranes; Small angle X ray scattering

Indexed keywords

FIBROUS MEMBRANES; MECHANICAL PERMEABILITY; PLASTIC FILAMENTS; POLYMER BLENDS; POLYPROPYLENES; PORE SIZE; POROUS MATERIALS; X RAY SCATTERING;

MICROPOROUS HOLLOW FIBER MEMBRANES; SMALL ANGLE X RAY SCATTERING;

POLYMERIC MEMBRANES;

POLYMER; POLYPROPYLENE;

FIBER MEMBRANE; MEMBRANE TECHNOLOGY; POLYPROPYLENE;

ARTICLE; CRYSTALLIZATION; DENSITY; HOLLOW FIBER MEMBRANE; MEMBRANE PERMEABILITY; MEMBRANE STRUCTURE; POROSITY; PRIORITY JOURNAL; RADIATION SCATTERING; SCANNING ELECTRON MICROSCOPY; VISCOSITY;

EID: 0033991842     PISSN: 03767388     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0376-7388(99)00204-5     Document Type: Article

References (23)

1. Reeder G.D., Hattler B.G., Rawleigh J., Walters F.R. Current progress in the development of an intravenous membrane oxygenator. J. Am. Soc. Artif. Intern. Organs. 39:1993;461-465.
2. Berghmans S., Berghmans H., Meijer H.E.H. Spinning of hollow porous fibers via the TIPS mechanism. J. Membr. Sci. 116:1996;171-176.
3. Yuxin P., Xinyuan S., Qingrui W. The present situation and development of macromolecular membranes for purification of blood. Membr. Sci. Technol. 18:1998;10-13.
4. M.L. Druin, J.T. Loft, S.G. Plovan, Novel open-celled microporous film, U.S. Patent, 3,801,404, 1974.
5. Samuels R.J. High Strength Elastic Polypropylene. J. Polym. Sci., Polym. Phys. Ed. 17:1979;535-568.
6. Noether H.D., Brody H. Low-modulus 'hard' elastic materials. Text. Res. J. 46:1976;467-478.
7. Cannon S.L., Statton W.O. The mechanical behavior of springy polypropylene. Polym. Eng. Sci. 15:1975;633-645.
8. Bierenbaum H.S., Isaacson R.B., Druin M.L., Ploban S.G. Microporous polymeric films. Ind. Eng. Chem. Prod. Res. Develop. 13:1974;2-8.
9. Kim J.J., Jang T.S., Kwon Y.D., Kim U.Y., Kim S.S. Structural study of microporous polypropylene hollow fiber membranes made by the melt-spinning and cold-stretching method. J. Membr. Sci. 93:1994;209-215.
10. A.J. Castro, Preparation of microporous polymer membranes via inverse phase separation, U.S. Patent, 4247498, 1981.
11. Lloyd D.R., Kim S.S., Krizer K.E. Microporous membrane formation via thermally induced phase separation, II. Liquid-liquid phase separation. J. Membr. Sci. 64:1991;1-12.
12. Kim S.S., Lloyd D.R. Microporous membrane formation via thermally induced phase separation, III. Effect of thermodynamic interaction on the structure of isotactic polypropylene membranes. J. Membr. Sci. 64:1993;13-29.
13. Lim G.B.A., Kim S.S., Ye Q., Wang Y.F., Lloyd D.R. Microporous membrane formation via thermally induced phase separation, IV. Effect of isotactic polypropylene crystallization on membrane structure. J. Membr. Sci. 64:1991;30-40.
14. Kim S.S., Lim G.B.A., Alwattari A.A., Wang Y.F., Lloyd D.R. Microporous membrane formation via thermally induced phase separation V. Effect of diluent mobility and crystallization on the structure of isotactic polypropylene membranes. J. Membr. Sci. 64:1991;41-68.
15. Hagiwara K., Innami K., Yokoyama K., Nogawa A., Kitoh H., Muramoto T., Tatebe K., Scita Y., Fukasawa H. An approach to the microporous hollow fiber for the ECMO oxygenator. Jpn. J. Artif. Organs. 21:1992;720-726.
16. K. Hagiwara, Y. Scita, K. Tatebe, Jap. Patent, 93,64663.
17. J. Comyn, Polymer Permeability, Elsevier, London, 1985.
18. J. Brandrup, E.H. Immergut, Polymer Handbook, 2nd ed., Wiley, New York, 1975.
19. Nishi T., Wang T.T. Melting point depression and kinetic effects of cooling on crystallization in poly(vinylidene fluoride)-poly(methyl methacrylate) mixtures. Macromolecules. 8:1975;903-915.
20. K. Kamada, S. Minami, K. Toshida, Porous polypropylene hollow filaments and the method making the same, U.S. Patent, 4,055,696, 1977.
21. Yoshida K. Structural feature and membrane properties of microporous hollow fibers. Kobunshi. 37:1988;142-151.
22. Sasanuma Y., Abe A., Sasanuma T., Kitano Y., Ishitani A. Small-angle X-ray scattering of distorted lamella structures. J. Polym. Sci., Polym. Phys. Ed. 31:1992;1179-1186.
23. E.J. Kramer, Microscopic and Molecular Treatments of Crazing, Advances in Polymer Science, vol. 52/53, Springer, Berlin, 1983, pp. 31-45.