Fabrication of macroporous carbon foam using glycol-derivatives as liquid templates

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• 作者：Haebong Byun ; Yeongseon Kim ; Hyejun Jung ; Sung-Hyeon Baeck…
• 关键词：carbon foam ; liquid templates ; macro porous ; glycol ; carbonization
• 刊名：Macromolecular Research
• 出版年：2016
• 出版时间：March 2016
• 年：2016
• 卷：24
• 期：3
• 页码：240-248
• 全文大小：1,101 KB
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• 作者单位：Haebong Byun (1)
  Yeongseon Kim (1)
  Hyejun Jung (1)
  Sung-Hyeon Baeck (1)
  Wha-Seung Ahn (1)
  Sang Eun Shim (1)
  
  1. Department of Chemical Engineering, Inha University, 253 Yonghyundong, Namgu, Incheon, 22212, Korea
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Physical Chemistry
  Polymer Sciences
  Characterization and Evaluation of Materials
  Soft and Granular Matter, Complex Fluids and Microfluidics
  Nanochemistry
  Nanotec
  
• 出版者：The Polymer Society of Korea, co-published with Springer
• ISSN：2092-7673

文摘

Porous carbon foams were fabricated using phenol and formaldehyde (PF) as carbon precursors. The pore size and porosity of the foams were controlled using glycol-derivatives as porogen during condensation polymerization. The morphology of the resulting carbon foam with macroporous porosity and well dispersed pore structures were verified by mercury porosimetry and scanning electron microscopy. The compressive stress of the resulting carbon foam increased with increasing molecular weights of glycol-derivatives due to the decrease in porosity. Furthermore, the reaction mechanism was identified to involve glycol-derivatives in the condensation reaction of PF, which generated the porosity of the resulting carbon foam by releasing volatile compounds according to thermogravimetric analysis and Fourier transform infrared spectroscopy. As a result, the mechanical properites of the carbon foam could be affected by the morphological properties of macroporous structures using different types and concentrations of glycol-derivatives.