Study of positron annihilation lifetime spectroscopy in   carbon black-filled HDPE composite

ZHANG Xianfeng  1  FAN Yangmei  1  JIA Shaojin  2  ZHOU Xianyi  1  WENG Huimin  1    YE Bangjiao  1  ZHANG Zhicheng  2  HAN Rongdian  1  1

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Study of positron annihilation lifetime spectroscopy in carbon black-filled HDPE composite

更新时间：2021-03-12

- Study of positron annihilation lifetime spectroscopy in carbon black-filled HDPE composite
- NUCLEAR TECHNIQUES Issue 8, (2002)
- 作者机构：
  
  1. 中国科学技术大学近代物理系
  2. 中国科学技术大学高分子科学与工程系
  3. 中国科学技术大学近代物理系,合肥,230027
- 作者简介：
- 基金信息：
  
  国家自然科学基金 (19785 0 5 0 ,10 175 0 6 1)
- DOI：
  CLC： TB332
- Published：01 August 2002
- 稿件说明：
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[1]张宪锋,范扬眉,贾少晋,周先意,翁惠民,叶邦角,张志成,韩荣典.聚乙烯/碳黑复合导电材料的正电子谱学研究[J].核技术,2002(08):585-590.

ZHANG Xianfeng 1 FAN Yangmei 1 JIA Shaojin 2 ZHOU Xianyi 1 WENG Huimin 1 YE Bangjiao 1 ZHANG Zhicheng 2 HAN Rongdian 1 1. Study of positron annihilation lifetime spectroscopy in carbon black-filled HDPE composite[J]. Nuclear techniques, 2002, (8): 585-590.
[1]张宪锋,范扬眉,贾少晋,周先意,翁惠民,叶邦角,张志成,韩荣典.聚乙烯/碳黑复合导电材料的正电子谱学研究[J].核技术,2002(08):585-590. DOI：

ZHANG Xianfeng 1 FAN Yangmei 1 JIA Shaojin 2 ZHOU Xianyi 1 WENG Huimin 1 YE Bangjiao 1 ZHANG Zhicheng 2 HAN Rongdian 1 1. Study of positron annihilation lifetime spectroscopy in carbon black-filled HDPE composite[J]. Nuclear techniques, 2002, (8): 585-590. DOI：

摘要

在高密度聚乙烯（HDPE）中掺入碳黑（CB）可以显著提高其导电性能

而且碳黑含量的变化对导电性有很大影响。本文用正电子湮没技术研究了这种复合体系中自由体积随碳黑含量的变化规律

证实了碳黑颗粒处于非晶区的观点

并结合电阻率测量和差热分析的实验结果探讨了渗流阈值以及结晶度等问题

Abstract

The variation of the electrical conductivity of high density polyethylene (HDPE) with the carbon black (CB) content was studied using positron annihilation lifetime spectroscopy (PALS) and free-volume model

the crystallinity of HDPE/CB composite and "percolation" effect were discussed with measurements of conductivity and DSC test.

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