• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of Materials Research >Effect of the composition on the morphology and mechanical properties of nanoporous carbon monoliths derived from phenol-formaldehyde/poly(methyl methacrylate) blends
【24h】

Effect of the composition on the morphology and mechanical properties of nanoporous carbon monoliths derived from phenol-formaldehyde/poly(methyl methacrylate) blends

机译：组成对苯酚-甲醛/聚（甲基丙烯酸甲酯）共混物纳米多孔碳整料形态和力学性能的影响

获取原文
获取原文并翻译 | 示例
       
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Nanoporous carbon monoliths with different pore structures were obtained by carbonizing cured phenol-formaldehyde (PF) resin/pory(methyl methacrylate) (PMMA) blends. The effect of the molecular weight of PMMA, reaction activity of PF, and content ratio of compositions on the pore structure of carbon monoliths was systematically investigated, with emphasis on controlling the morphology of the nanostructure and pore size distribution. Nanostructures were an important factor in determining the compressive strength of porous carbon monoliths. The relationship between the nanoporous structure of carbon monoliths and compressive strength was revealed. Co-continuous pores provided escape channels for those volatile gases produced in the carbonization process to escape, reducing inner stress of the carbon materials. During compressive loading, co-continuous pores could also help to scatter and absorb the stress and energy. Porous carbon monoliths with a compressive strength of 34 MPa were obtained, and the compressive strength increased by 580% compared with that of carbon monoliths obtained from pure PF.
机译：通过碳化固化的酚醛（PF）树脂/多孔（甲基丙烯酸甲酯）（PMMA）共混物，获得具有不同孔结构的纳米多孔碳单块。系统地研究了PMMA的分子量，PF的反应活性以及组合物的含量比对碳纳米管孔结构的影响，重点是控制纳米结构的形态和孔径分布。纳米结构是决定多孔碳整体材料抗压强度的重要因素。揭示了碳单块的纳米孔结构与抗压强度之间的关系。共连续孔为碳化过程中产生的挥发性气体逸出提供了逸出通道，从而降低了碳材料的内应力。在压缩载荷过程中，连续的孔也可以帮助分散和吸收应力和能量。获得具有34MPa的抗压强度的多孔碳单块，并且与从纯PF获得的碳单块相比，抗压强度增加了580％。

著录项

  • 来源
    《Journal of Materials Research》 |2015年第22期|3412-3422|共11页
  • 作者

    Xiaopeng Wang; Zhenhua Luo; Fenghua Chen; Li Ye; Hao Li; Tong Zhao;

  • 作者单位

    High Technology Materials Laboratory, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China;

    High Technology Materials Laboratory, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China;

    High Technology Materials Laboratory, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China;

    High Technology Materials Laboratory, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China;

    High Technology Materials Laboratory, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China;

    High Technology Materials Laboratory, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号