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Copna树脂分子量对热处理过程中炭化产物微观组分和性质的影响

张金才1,  2,  3,  　史景利1,  4,  　赵　云1,  2,  　郭全贵1,  　刘　朗1

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文章导航 > 新型炭材料  > 2013 >  28(5): 391-398
张金才1, 2, 3, 　史景利1, 4, 　赵　云1, 2, 　郭全贵1, 　刘　朗1. Copna树脂分子量对热处理过程中炭化产物微观组分和性质的影响. 新型炭材料, 2013, 28(5): 391-398.
引用本文: 张金才1, 2, 3, 　史景利1, 4, 　赵　云1, 2, 　郭全贵1, 　刘　朗1. Copna树脂分子量对热处理过程中炭化产物微观组分和性质的影响. 新型炭材料, 2013, 28(5): 391-398.
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ZHANG Jin-Cai-1, 2, 3, 　Shi-Jing-Li-1, 4, 　Diao-　Yun-1, 2, 　Guo-Quan-Gui-1, 　Liu-　Lang-1. Effect of molecular weight and the molecular weight distribution of a condensed polynuclear aromatic resin on the constituents and properties of their pyrolysis products. New Carbon Mater., 2013, 28(5): 391-398.
Citation: ZHANG Jin-Cai-1, 2, 3, 　Shi-Jing-Li-1, 4, 　Diao-　Yun-1, 2, 　Guo-Quan-Gui-1, 　Liu-　Lang-1. Effect of molecular weight and the molecular weight distribution of a condensed polynuclear aromatic resin on the constituents and properties of their pyrolysis products. New Carbon Mater., 2013, 28(5): 391-398.
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Copna树脂分子量对热处理过程中炭化产物微观组分和性质的影响

  • 中国科学院山西煤炭化学研究所 中国科学院炭材料重点实验室|山西 太原 030001;

  • 中国科学院大学|北京 100049;

  • 北京矿冶研究总院 矿物加工科学与技术国家重点实验室 矿山技术研究院 矿物工程研究设计所|北京 102600;

详细信息
    作者简介:

    张金才|博士|助理研究员. E-mail : chaner9944@126.com

    张金才|博士|助理研究员. E-mail : chaner9944@126.com

    张金才|博士|助理研究员. E-mail : chaner9944@126.com

  • 中图分类号: TQ322.4+1

Effect of molecular weight and the molecular weight distribution of a condensed polynuclear aromatic resin on the constituents and properties of their pyrolysis products

  • Key Laboratory of Carbon Materials, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China   |

  • Graduate University of the Chinese Academy of Sciences, Beijing 100039, China  |

  • Beijing General Research Institute of Ming &|Metallurgy, Research Institute of Ming Technology, Research &|Design Institute of Ming Engineering, State Key Laboratory of Mineral Processing, Beijing 102600, China  |

More Information
    Author Bio:

    ZHANG Jin-cai, Ph.D, Assistant researcher. E-mail: chaner9944@126.com

    ZHANG Jin-cai, Ph.D, Assistant researcher. E-mail: chaner9944@126.com

    ZHANG Jin-cai, Ph.D, Assistant researcher. E-mail: chaner9944@126.com

    摘要
  • 摘要: 采用成熟的合成工艺制备出三种分子量大小分布不同的Copna树脂,经相同条件的固化、炭化和石墨化处理(900, 1500, 2200, 2600和3000℃, 2h)。用热分析仪对固化树脂进行测试；X射线衍射、氦气吸附真密度仪和粉体电阻率测试仪对树脂炭进行性能测试。结果表明Copna树脂的分子量大小和分布范围对固化树脂的热失重行为有重要影响；分子量越大，分布越窄，3000℃处理得到的树脂炭中石墨化组分越多；分子量越大，分布越宽，树脂炭的表观密度越高，孔含量越小。而树脂分子量对树脂炭的粉末电阻率的影响极小。
    Abstract: Three condensed polynuclear aromatic resins with different molecular weights (Mws) and Mw distributions were heated at 900, 1500, 2200, 2600 and 3000℃ for 2h. The resulting carbons were characterized by XRD, helium pycnometry and a powder electrical resistance test. The graphitic, amorphous and turbostratic constituents in the carbons were obtained from XRD. Results showed that both the Mw and the Mw distribution in the resins played important roles in the properties and constituents of the carbons produced from them. The larger the Mw and the narrower the Mw distribution, the higher the graphitic content in the carbons produced at 3000℃. The larger the Mw and the wider the Mw distribution, the higher the apparent density of the carbons produced at the same pyrolysis temperature. The effect of Mw on the powder resistance of the carbons is negligible.
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出版历程
  • 收稿日期:  2013-04-08
  • 录用日期:  2013-10-30
  • 修回日期:  2013-09-28
  • 刊出日期:  2013-10-20

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