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Citation: Tian He, Zhang Keda, Xu Jiping. THE DEPENDENCE OF GAS TRANSPORT RATE OF POLYMER MEMBRANES ON TEMPERATURE[J]. Chinese Journal of Applied Chemistry, ;1988, 5(1): 74-77. shu

THE DEPENDENCE OF GAS TRANSPORT RATE OF POLYMER MEMBRANES ON TEMPERATURE

1.
Institute of Applied Chemistry, Academia Sinica

Received Date: 2 December 1986
Available Online: 19 March 1987

The oxygen and nitrogen transport rate of methylsilicone rubber, poly (4-methylpentene-1), ethylene-propylene rubber, high-pressure polyethylene and natural rubber membranes were measured at different temperature. The results exhibited that the dependence of gas transport rate of polymer membranes on temperature is relative only to the materials the membranes made. The oxygen and nitrogen permeation activation energy and the temperature coefficient of the gas transport rate were calculated. The relationship of permeation activation energy with the molecular structure of membrane materials was discussed.
- Polymer film,
- Gas separation,
- Membrane structure,
- Property
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