OXIDATION OF POLYETHYLENE MONITORED BY MICROCALORIMETRY AT 70-DEGREES-C

被引：6
|
作者：
PAULSSON, LE
机构：
来源：
THERMOCHIMICA ACTA | 1993年 / 214卷 / 01期
关键词：
D O I：
10.1016/0040-6031(93)80048-F
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Sensitive calorimeters has become very useful at many laboratories for material sciences. Based on heat measurments these instruments can be used to monitor heat generated or consumed by chemical reactions or physical processes. The sensitivity of modem microcalorimeters makes it possible to study slow processes which makes the method suitable to study ageing processes close to room temperature. In our laboratories TAM microcalorimeters has been used for many years for a varity of studies: Compatibility of explosives with other materials (1) Stability of energetic materials Metall corrosion at different RH (2) Diffusion of gases through rubbers/polymers (3) Oxidative and hydrolytic reactions in polymers. In this report we want to show the behaviour of polyethylene when tested in a microcalorimeter and the suitability of the instrument for studies of oxidation of aged polyethylene.
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页码：141 / 144
页数：4
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