Novel silicon-containing copolymer, ultrathin solid membrane com

Details Novel silicon-containing copolymer, ultrathin solid membrane com Novel silicon-containing copolymer, ultrathin solid membrane com

1981-06-03

1983-07-12

Levin, Stanford M.

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

55 16, 55158, 156246, 2105002, 264298, 428333, 428447, 526279, B01D 1300, C08F23008

Patent

active

043931138

ABSTRACT:
An ultrathin solid membrane is composed substantially of a silicon-containing copolymer consisting substantially of recurring units derived from a silicon-containing allyl monomer and an ethylenically unsaturated monomer and/or a diene monomer. The ultrathin solid membrane is useful for obtaining a specified gas, such as oxygen, in a concentrated state, from a mixture of two or more gases, such as air.

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patent: 4155793 (1979-05-01), Salemme et al.
patent: 4192842 (1980-03-01), Kimura et al.
patent: 4199445 (1980-04-01), Chiang et al.
CA, 73, 15364c (1970).
J. Pol. Sci, 31, No. 122, pp. 181-183 (1958).
Bull. Chem. Soc., Japan, 32, No. 7, pp. 670-674 (1959).

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