Asymmetrical gas separation hollow fiber

Title:

Asymmetrical gas separation hollow fiber

Document Type and Number:

Japanese Patent JP5983405

Kind Code:

B2

Abstract:

The present invention relates to an asymmetric hollow fiber membrane for gas separation made of a soluble aromatic polyimide, wherein an orientation index is 1.3 or less, a separation coefficient ±(P'O 2 /P'N 2) as a permeation rate ratio of oxygen gas/nitrogen gas at 40 °C is 5.3 or more, and a tensile fracture elongation is 15 % or more.

Inventors:

Hiroki Kumori
Tatsuya Hayashi
Seiji Moribashi
Tomonori Kanoki

Application Number:

JP2012508364A

Publication Date:

August 31, 2016

Filing Date:

March 30, 2011

Export Citation:

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