Thermal decomposition and kinetics of rigid polyurethane foams derived from sugarcane bagasse |
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| Authors: | Yongbin Yan Jingwei Xu Hao Pang Rongli Zhang and Bing Liao |
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| Affiliation: | (1) Department of Forest Products, Mississippi State University, Box 9820, Mississippi State, MS 39762, USA;(2) Center for Biorefining and Department of Bioproducts and Biosystems Engineering, University of Minnesota, 1390 Eckles Ave., St. Paul, MN 55108, USA;(3) Jiangxi Biomass Engineering Center, Nanchang University, Nanchang, China, 330047; |
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| Abstract: | Rigid polyurethane foams were fabricated with five kinds of liquefied sugarcane bagasse polyols (LBP). The foams derived from
sugarcane bagasse were investigated by thermogravimetric analysis (TGA), and the thermal degradation data were analyzed using
the Coast-Redfern method and Ozawa method to obtain the reaction order and activation energy. The results indicate that the
sugarcane bagasse-foams exhibit an excellent heat-resistant property, whereas their pyrolysis procedures are quite complicated.
The reaction as first order only takes place from 250 to 400 °C, and the pyrolysis activation energies vary from 20 to 140
kJ/mol during the whole pyrolysis process. |
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