Hollow fibres of modified poly-(2,6-dimethyl-p-oxyphenylene)

Details Hollow fibres of modified poly-(2,6-dimethyl-p-oxyphenylene) Hollow fibres of modified poly-(2,6-dimethyl-p-oxyphenylene)

B - Operations, Transporting

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D

B01D 69/08 (2006.01) B01D 71/52 (2006.01) C08G 65/48 (2006.01)

Patent

CA 2070967

CASE 3418 HOLLOW FIBRES OF MODIFIED POLY-(2,6-DIMETHYL-p-OXY-PHENYLENE) Abstract A hollow fiber of amorphous, hydroxy-ethylated poly-(2,6-dimethyl-p-oxyphenylene) (PPO-OH) with a glass transition temperature (Tg) of from 180 to 200°C is disclosed, which is formed by a high-density, microporous layer on a macroporous backing, and having an outer diameter comprised within the range of from 450 to 550 µm and an inner diameter comprised within the range of from 250 to 400 µm. The process for preparing the hollow fibre and the use of said fibre in the processes of separation of gas mixtures are disclosed as well.

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