The kinetics of crystallization of poly(tetrafluoroethylene) by the action of γ-radiation

被引：3
|
作者：
Koptelov, AA
Karyazov, SV
Shlenskii, OF
机构：
[1] Soyuz Fed Ctr Dual Technol, Dzerzhinskii 140090, Moscow Oblast, Russia
[2] Mendeleev Univ Chem Technol, Moscow 125190, Russia
来源：
HIGH ENERGY CHEMISTRY | 2003年 / 37卷 / 03期
关键词：
D O I：
10.1023/A:1024143102012
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The kinetics of crystallization of PTFE over the temperature range 287-3 10 K upon its gamma-irradiation to a dose of 220 kGy was studied using calorimetric procedures. Parameters for the models of radiation-induced growth in the degree of crystallinity (expressed as the mass fraction) of bulk and film polymer specimens were calculated. It was shown that the degree of "perfection" of crystals produced upon irradiation can be determined , from the heat of transition at T similar to 293 K characteristic of PTFE.
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页码：151 / 156
页数：6
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