| Influence of γ-ray Irradiation on the PTC Effect of EPDM/Carbon Black Composite |
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| 作者姓名： | HE Xiu-juan WANG Li-jie CHEN Xin-fang |
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| 作者单位： | Institute of Materials Science,Jilin University,Changchun 130023,China |
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| 摘 要： | Introduction The positive temperature coefficient(PTC) effect is characterized by an increase of resistivity with an elevated temperature.The PTC effect of carbon black(CB) filled polymers is useful for self-regulation heaters,over-current protectors,sensors,etc.Much work has been done on the PTC effect of the carbon black filled crystalline polymer composite1-4],whereas carbon black filled amorphous polymers have not drawn researchers much attention because the PTC effect in these composites is small or cannot be detected5-7].In this work,the influence of γ-ray irradiation on the PTC effect of CB filled amorphous ethylene-propylene-diene terpolymer(EPDM) composites was studied.
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| 关 键 词： | Conducting composite PTC effect |
| 收稿时间： | 1999-12-27 |
Influence of γ-ray Irradiation on the PTC Effect of EPDM/Carbon Black Composite |
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| HE Xiu-juan,WANG Li-jie,CHEN Xin-fang.Influence of γ-ray Irradiation on the PTC Effect of EPDM/Carbon Black Composite[J].Chemical Research in Chinese University,2000,16(3):283-285. |
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| Authors: | HE Xiu-juan WANG Li-jie CHEN Xin-fang |
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| Institution: | Institute of Materials Science, Jilin University, Changchun 130023, China |
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| Abstract: | Introduction The positive temperature coefficient(PTC) effect is characterized by an increase of resistivity with an elevated temperature.The PTC effect of carbon black(CB) filled polymers is useful for self-regulation heaters,over-current protectors,sensors,etc.Much work has been done on the PTC effect of the carbon black filled crystalline polymer composite1-4],whereas carbon black filled amorphous polymers have not drawn researchers much attention because the PTC effect in these composites is small or cannot be detected5-7].In this work,the influence of γ-ray irradiation on the PTC effect of CB filled amorphous ethylene-propylene-diene terpolymer(EPDM) composites was studied. |
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| Keywords: | EPDM Carbon black |
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