引用本文:
袁玉珍, 景遐斌, 姜炳政, 冯之榴. 辐照聚乙烯单晶的退火研究[J]. 应用化学,
1997, 14(4): 46-49.
Citation: Yuan Yuzhen, Jing Xiabin, Jiang Bingzheng, Feng Zhiliu. Annealing Behaviour of Irradiated Polyethylene Single Crystals[J]. Chinese Journal of Applied Chemistry, 1997, 14(4): 46-49.
Citation: Yuan Yuzhen, Jing Xiabin, Jiang Bingzheng, Feng Zhiliu. Annealing Behaviour of Irradiated Polyethylene Single Crystals[J]. Chinese Journal of Applied Chemistry, 1997, 14(4): 46-49.
辐照聚乙烯单晶的退火研究
English
Annealing Behaviour of Irradiated Polyethylene Single Crystals
Abstract:
The annealing behaviour of irradiated polyethylene(PE) single crystals was studied with Mixed-Crystals IR spectroscopy, SAXS, WAXD and DSC. The results were:(1) There are both adjacent reentry folding and random stems in the PE single crystals, the former is predominant. (2) In the annealing below or at 90℃, reptation is the major molecular motion, and it leads to improvement of the crystal structure to limited extent; partial fusion and recrystalization are involved in the annealing at 105℃. (3) The crosslinking and damage in the crystal region caused by irradiation prevents the PE crystals from being improved.
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Key words:
- polyethylene
- / deuterated polyethylene
- / irradiation
- / infrared
- / annealing
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