引用本文:
汪健, 沈家聪, 张延寿, 刘景江. 星形聚苯乙烯的链缠结和松弛过程[J]. 应用化学,
1988, 5(5): 16-20.
Citation: Wang Jian, Shen Jiacong, Zhang Yanshou, Liu Jingjiang. ENTANGLEMENT AND RELAXATION MECHANISM OF STAR-SHAPED POLYSTYRENES[J]. Chinese Journal of Applied Chemistry, 1988, 5(5): 16-20.
Citation: Wang Jian, Shen Jiacong, Zhang Yanshou, Liu Jingjiang. ENTANGLEMENT AND RELAXATION MECHANISM OF STAR-SHAPED POLYSTYRENES[J]. Chinese Journal of Applied Chemistry, 1988, 5(5): 16-20.
星形聚苯乙烯的链缠结和松弛过程
English
ENTANGLEMENT AND RELAXATION MECHANISM OF STAR-SHAPED POLYSTYRENES
Abstract:
The relaxation spectra of a set of star-shaped polystyrenes with the equal length of arms but different branching degree were determined by means of a stress relaxation instru-ment.The effect of branching structure on the rubbery plateau in the relaxation spectra was investigated,and the relaxation spectra were computer simulated using a "tube" model.The difference in viscoelastic properties of star-shaped polystyrenes were interpreted in terms of molecular motion.
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Key words:
- Star-shaped polystyrene
- / Viscoelasticity
- / Mechanical relaxation
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