Crystal Perfection of Poly(p-phenylene Sulfide) During Cooling Using Temperature-Modulated DSC

被引：0
|
作者：
J. D. Menczel
机构：
[1] Hoechst Research and Technology,
来源：
Journal of Thermal Analysis and Calorimetry | 1999年 / 58卷
关键词：
crystal perfection; poly(; -phenylene sulfide); TMDSC;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Temperature-modulated DSC (TMDSC) was used to enhance the perfection of crystals of different poly(p-phenylene sulfide) samples formed during slow cooling from the melt. The sample preparation was made with modulated cooling using a cool-heat mode. Re-heating the samples prepared by slow conventional and modulated coolings indicated that the melting point of the samples prepared by modulated cooling is considerably higher than the melting point of the samples crystallized with conventional cooling. Thus, the perfection of crystallites can be improved if the outer layers just deposited on their surface are re-melted and re-crystallized immediately.
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页码：517 / 523
页数：6
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