辐射对PVDF/氟橡胶/CB复合物PTC特性的影响

CHINA SYNTHETIC RESIN AND PLASTICS(2000)

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Abstract
研究了电子束辐照对聚偏氟乙烯/氟橡胶/炉法炭黑导电复合材料正温度系数(PTC)复演性及电阻稳定性的影响规律.结果表明,随辐射剂量提高,凝胶含量上升,PTC复演性提高.由该体系制得的自限温伴热带的长期使用工作温度及功率稳定性提高,通断电循环试验的功率及电阻变化较小,可用于制备135℃高温级自限温伴热带.
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