Continuous production of polymethylpentene membranes

Details Continuous production of polymethylpentene membranes Continuous production of polymethylpentene membranes

1982-01-15

1983-11-15

Page, Thurman K.

Coating processes

Foraminous product produced

Filter, sponge, or foam

15624424, 427245, 427359, 4273899, 4274344, B32B 516

Patent

active

044156081

ABSTRACT:
Gas separation membranes may be prepared in a continuous manner by passing a porous support which may, if so desired, be backed by a fabric through a solution of polymethylpentene dissolved in an organic solvent such as hexane. The support member is passed through the solution while one side thereof is in contact with a roller, thereby permitting only one side of the support member to be coated with the polymer. After continuously withdrawing the support member from the bath, the solvent is allowed to evaporate and the resulting membrane is recovered.

REFERENCES:
patent: 2966235 (1960-12-01), Kammermeyer
patent: 3526588 (1970-09-01), Michaels et al.
patent: 3767737 (1973-10-01), Lundstrom
patent: 3892665 (1975-07-01), Steigelmann et al.
patent: 4132824 (1979-01-01), Kimura et al.
patent: 4155793 (1979-05-01), Salemme et al.
patent: 4267215 (1981-05-01), Riggs
patent: 4302334 (1981-11-01), Jakabhazy et al.

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