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Citation: WANG Yu-Gang, SHI Tie-Jun, LI Zhong, TAN De-Xin. Preparation and Characterization of Wood Ceramics from Polyarylacetylene Resin/Fir Powder[J]. Chinese Journal of Applied Chemistry, ;2010, 27(4): 418-423. doi: 10.3724/SP.J.1095.2010.90354 shu

Preparation and Characterization of Wood Ceramics from Polyarylacetylene Resin/Fir Powder

School of Chemical Engineering, Hefei University of Technology, Hefei 230009

Received Date: 19 May 2009
Revised Date: 26 July 2009

The composite of polyarylacetylene resin/fir powder was prepared by impregnating and thermoforming,and then a novel woodceramics was obtained by carbonizing the composite at high temperatures.Thermal stabilities of polyarylacetylene resin and the composite were analyzed by DTG.Influences of carbonization temperature and resin content on phase composition,pore morphology and compression strength were analyzed by XRD,LRS and SEM,respectively.The results show that the woodceramics was of a uniform three-dimensional porous structure.The decomposition temperature and char yield of the composite were 325℃ and 70% respectively.With increasing carbonization temperature,the(002) interlunar spacing decreased from 0.3895 nm to 0.3530 nm. However,the crystallite sizes L_c and L_a increased in different degrees.The open porosity of the woodceramics gradually decreased from 31.5% to 20.1% with the increase of carbonization temperature,while the compressive strength increased from 3.0 MPa to 6.2 MPa.The mass ratio of polyarylacetylene resin to fir powder had effect on the size and shape of the micropore of the woodceramics obviously,but a slight effect on the graphite crystallite size of the woodceramics.
- polyarylacetylene resin,
- fir powder,
- carbon composite,
- woodceramics,
- porous materials
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