引用本文:
梁良, 应圣康. α-甲基苯乙烯离子聚合体分子量分布[J]. 应用化学,
1992, 9(1): 87-88.
Citation: Liang Liang, Ying Shengkang. MOLECULAR WEIGHT DISTR IBUTION OF POLYALPHA METHYLSTYRENE[J]. Chinese Journal of Applied Chemistry, 1992, 9(1): 87-88.
Citation: Liang Liang, Ying Shengkang. MOLECULAR WEIGHT DISTR IBUTION OF POLYALPHA METHYLSTYRENE[J]. Chinese Journal of Applied Chemistry, 1992, 9(1): 87-88.
α-甲基苯乙烯离子聚合体分子量分布
English
MOLECULAR WEIGHT DISTR IBUTION OF POLYALPHA METHYLSTYRENE
Abstract:
The molecular weight distribution of polyalpha-methylstyrene prepared by anionic polymerization, with n-butyllithium as initiator was investigated. The influences of ether additives, ratios of ether to initiator and polymerization temperature on the molecular weight distribution of polymers were studied.Thereactivity of reactive species and rate of interchange between the reactive species were considered as the main factors effecting the molecular weight distribution of the polymer.With increasing polymerization temperature and by using more strong and concentrated ether additive the molecular weight distribution of the polymer became more narrow.
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