Resistivity-Temperature Behavior of CB-Filled HDPE Foaming Composites |
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| Authors: | LI Ji-xin ZHANG Guo LI Zhuo-shi WANG Xin-lei LIU Xiu-qi |
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| Institution: | [1]Key Laboratory of Automobile Materials, Ministry of Education [2]College of Materials Science and Engineering, Jilin University, Changchun 130012, P. R. China [3]Petrochemical Engineering School, Shenyang University of Technology, Liaoyang Campus, Liaoyang 111003, P R. China |
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| Abstract: | High-density polyethylene/carbon black foaming conductive composites were prepared from acetylene black(ACET)and super conductive carbon black(HG-IP)as conductive filler,low-density polyethylene(LDPE)as the second component,ethylene-vinyl acetate(EVA)and ethylene propylene rubber(EPR) as the third component, azobisformamide(AC)as foamer,and dicumyl peroxide(DCP)as cross-linker.The structure and resistivity-temperature behavior of high-density polyethylene(HDPE)/CB foaming conductive composites were investigated.Influences of carbon black,LDPE,EVA,EPR,AC,and DCP on the foaming performance and resistivity-temperature behavior of HDPE/CB foaming conductive composites were also studied.The results reveal that HDPE/CB foaming conductive composite exhibits beaer switching characteristic;ACET-filled HDPE foaming conductive composite displays better positive temperature coefficient(PTC)effect;whereas super conductive carbon black(HG-1P)-filled HDPE foaming conducive composite shows better negative temperature coefficient(NTC)effect. |
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| Keywords: | Resistivity-temperature behavior Carbon black High-density polyethylene Foam Positive temperaturecoefficient(PTC)effect Negative temperature coefficient(NTC)effect |
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