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Citation: Wu Yonglie, Liu Jingzhi, Zheng Jinghe, Yang Jinrong, Yang Fu, Ding Mengxian. EFFECT OF TRANSITION METAL-CONTAINING ORGANIC COMPLEX ADDITIVE ON THE PROPERTIES OF POLYIMIDE GAS SEPARATION MEMBRANES[J]. Chinese Journal of Applied Chemistry, ;1993, 10(1): 47-50. shu

EFFECT OF TRANSITION METAL-CONTAINING ORGANIC COMPLEX ADDITIVE ON THE PROPERTIES OF POLYIMIDE GAS SEPARATION MEMBRANES

1.
Changchun Institute of Applied Chemistry, Academia Sinica 130022 Changchun

Received Date: 10 January 1992
Available Online: 20 May 1992
Fund Project:

Polyirnide gas separation membranes were preparated using metal-containing organic complex with big substituting group as additive. The effects of tranaition metal salts, organic ligand and metal complex on the permeability of polyimide homogenous membranes and asymmetric membranes for separation of hydrogen and nitrogen were studied. It was showed that MnCl₂, Co(NO₃)₂, Cr(Ac)₃ enhanced the separation coefficient and lowered the permeability of the membrane; organic ligand additive enhanced the permeability and lowered separation coefficient; when metallorganic complex was used, the gas permeability was enbanced without decline of separation coefficient.
- polyimide,
- gas separation membrane,
- metallorganic complex
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