期刊
IEEE TRANSACTIONS ON ELECTRONICS PACKAGING MANUFACTURING
卷 23, 期 4, 页码 239-245出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/6104.895067
关键词
carbon black; conductive polymer; electrostatic discharge; plastic; resistivity
The amount of carbon black required to impart electrical conductivity to an insulating polymer can be dramatically reduced by its selective localization in a multi-component system which includes the insulating polymer. The present report describes property-structure relationships of polypropylene/nylon/glass fiber (PP/PA/GP) composites with consistent resistivity levels,within the 10(6)-10(9) ohms/sq range achieved at very low carbon black loadings (less than 2%), The quaternary composites studied structure spontaneously during the hot compounding/processing steps and have unique triple-percolation structures. The results were compared with typical carbon black filled materials, which usually contain 15 to 20 wt% carbon black and are too conductive to meet the 10(6)-10(9) ohms/sq range.
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