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Citation: Zhang Wanxi, Wang Mouzhi, Sun Jiazhen, Zhang Xuanqi, He Zhidua. STUDY OF SOL OF IRRADIATED POLYSTYRENE BY SEC-LALLS METHOD[J]. Chinese Journal of Applied Chemistry, ;1990, 7(3): 57-59. shu

STUDY OF SOL OF IRRADIATED POLYSTYRENE BY SEC-LALLS METHOD

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

Received Date: 18 March 1989
Available Online: 20 September 1989

The sol of γ-irradiated polystyrene has been investigated by using SEC-LALLS combination technology. The changes of the sol properties after and before gel point for polystyrene were observed. The results show that in the early stage of irradiation mainly the molecules of higher mloecular weight take part in crosslinking reaction. The concen-tration of low moleculat weight fractions Changes little before the gel point,but it changes greatly near and after the gel point.
- polystyrene,
- sol property,
- high energy irradiation,
- molecular weight distribution
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