Polymer membranes for separation process

Details Polymer membranes for separation process Polymer membranes for separation process

1991-12-17

1993-02-02

Sever, Frank

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

264DIG48, 264DIG62, B29C 6500

Patent

active

051836076

ABSTRACT:
Semi-permeable microporous polymer bodies, such as porous plates or membranes for separation processes, are provided, these being made of durable high-temperature thermoplastics, e.g., a liquid crystal polymer, by a process comprising melt-mixing the polymer with high loadings of leachable glass and then leaching the glass from the polymer to leave a continuous relict polymer network, the network typically demonstrating pore volumes of 50 percent or more and average pore diameters in the 0.1-10 micron range.

REFERENCES:
patent: 4853001 (1989-08-01), Hammel

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