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Chemical Carbonization of Paper Made from Wood Pulp without Thermal Decomposition Using a Catalyst and Structural Properties of the Carbonized Paper

Journal of Fiber Science and Technology, 2018/08/10, Vol.74(8), pp.177-185 [Peer Reviewed Journal]

2018 The Society of Fiber Science and Technology, Japan ;ISSN: 2189-7654 ;EISSN: 2189-7654 ;DOI: 10.2115/fiberst.2018-0025

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  • Title:
    Chemical Carbonization of Paper Made from Wood Pulp without Thermal Decomposition Using a Catalyst and Structural Properties of the Carbonized Paper
  • Author: Kyotani, Mutsumasa ; Fujino, Ken-ichi ; Imai, Daisuke ; Goto, Shisei
  • Is Part Of: Journal of Fiber Science and Technology, 2018/08/10, Vol.74(8), pp.177-185
  • Description: Paper is composed of plant fibers obtained from both wood and non-wood pulp, and the chemical component is mainly cellulose. It is well-known that cellulosic materials are very hard to carbonize at high temperatures because they decompose thermally before forming carbon materials. We have tried chemical carbonization of wood-pulp paper without thermal decomposition using a catalyst to prepare two-dimensional carbon materials. Three kinds of paper (called LBKP-papers here after) made from bleached kraft hardwood pulp having 0.7～0.76 mm in length weighted mean fiber length and about 260 μm in thickness was used for the chemical carbonization in this work. In the three kinds of LBKP-papers, one includes a wet paper strengthening agent and another one has a little different distribution of the fiber length. One of organic sulfonic acids, methane sulfonic acid (MSA) was used as a catalyst for the carbonization. The LBKP-papers were treated in 1 mol MSA aqueous solution for 5 min and were dried at room temperature. The MSA-treated LBKP-papers were carbonized at 800℃ under an Ar gas atmosphere. Structural and physical properties of carbonized LBKP-papers were investigated. All of the LBKP-papers carbonized at 800℃ were amorphous and then were crystallized with heat-treatment at higher temperatures, being independent of the wet paper strengthening and the different fiber length distribution. A graphitic structure was developed in carbonized LBKP papers heat-treated at temperatures higher than 2000℃. Mechanical and electrical conductive properties of the carbonized LBKP papers were improved with the heat-treatment.
  • Publisher: The Society of Fiber Science and Technology, Japan
  • Language: Japanese;English
  • Identifier: ISSN: 2189-7654
    EISSN: 2189-7654
    DOI: 10.2115/fiberst.2018-0025
  • Source: ROAD: Directory of Open Access Scholarly Resources
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