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Citation: Zhang Wanxi, Wang Mouzhi, Sun Jiazhen, He Zhiduan. CHARACTERIZATION OF MOLECULAR WEIGHT DISTRIBUTION OF IRRADIATED POLYMERS BY SEC-LALLS METHOD[J]. Chinese Journal of Applied Chemistry, ;1990, 7(6): 48-53. shu

CHARACTERIZATION OF MOLECULAR WEIGHT DISTRIBUTION OF IRRADIATED POLYMERS BY SEC-LALLS METHOD

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

Received Date: 18 March 1989
Available Online: 29 April 1990

In this paper, the effects of the extension influence of SEC column on the variables for a polymer with long chain branching were studied and the main coupled equations were drawn out and solved. The solving process is confirmed by computer simulation. The effects of the extension influence,correction parameter and experimental error on the results of determination have been discussed and a method for systematic characterization of the molecular weight distribution of irradiated polymers by SEC-LALLS technology was sug-gested.
- irradiated polymer,
- molecular weight distribution,
- SEC,
- LALLS
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