Modified microporous structures

Details Modified microporous structures Modified microporous structures

1990-06-15

1991-09-17

Sever, Frank

Liquid purification or separation

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Material

264 48, B01D 6700, B01D 7100

Patent

active

050492756

ABSTRACT:
A pore modified microporous membrane is disclosed which is made by the process of incorporating a polymerizable vinyl monomer within the pores of a microporous membrane followed by polymerization to secure the resulting polymer within the pores. The process is particularly suitable for modifying a hydrophobic microporous membrane with a hydrophilic polymer, as occurs for example when polyacrylic acid is secured into the pores of a polypropylene microporous membrane. In further applications of the present invention, the inventive method may be used to produce liquid membrane supports for use with or without active carriers.

REFERENCES:
patent: 3926864 (1975-12-01), Hodgdon
patent: 4262041 (1981-04-01), Eguchi et al.

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