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Optimum preparation technology for Chinese fir wood/Ca-montmorillonite (Ca-MMT) composite board

  • Published:
Forestry Studies in China

Abstract

For this study, an intercalation compounding method was used to prepare Chinese fir wood/Ca-montmorillonite (Ca-MMT) composite board to improve its properties such as surface mechanical properties, flame retardance and dimensional stability. By virtue of water-soluble phenolic resin (PF), Chinese fir wood and Ca-MMT were mixed by pressure and vacuum impregnation. The optimum impregnation technology of Chinese fir wood/Ca-MMT composite board was obtained by using an orthogonal design and a single factor design of pressure and vacuum impregnation, using weight percent gain (WPG) as the basic index. The results are as follows: 1) On the basis of the orthogonal design and an actual experiment, the optimum preparation technology of Chinese fir wood/Ca-MMT composite board is 20% PF resin dispersion concentration (wt%), 1.0 CEC amount of organic intercalation agent, 0.098 MPa vacuum degree, 5% concentration of Ca-MMT and 1.0 MPa pressure. 2) The WPG of the composite board samples of 450 mm length was much larger than that of the samples of 600, 750 and 900 mm length. Warm water extraction contributed little to WPG.

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Authors and Affiliations

  1. College of Materials Science and Technology, Beijing Forestry University, Beijing, 100083, P. R. China

    Feng-lian Xue & Guang-jie Zhao

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  1. Feng-lian Xue
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  2. Guang-jie Zhao
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Correspondence to Guang-jie Zhao.

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Xue, Fl., Zhao, Gj. Optimum preparation technology for Chinese fir wood/Ca-montmorillonite (Ca-MMT) composite board. For. Stud. China 10, 199–204 (2008). https://doi.org/10.1007/s11632-008-0039-1

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  • DOI: https://doi.org/10.1007/s11632-008-0039-1

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