Thermal degradation characteristics of phenol-formaldehyde resins derived from beetle infested pine barks

被引：73
作者：
Zhao, Yong [1 ]
Yan, Ning [1 ]
Feng, Martin W. [2 ]
机构：
[1] Univ Toronto, Fac Forestry, Toronto, ON M5S 3B3, Canada
[2] FPInnovations, Wood Prod Div, Vancouver, BC V6T 1W5, Canada
来源：
THERMOCHIMICA ACTA | 2013年 / 555卷
关键词：
Bark; Bark extractives; Phenol-liquefied bark; Bark-derived PP resin; Thermal stability; Thermal degradation; ACTIVATION-ENERGY; KINETIC-ANALYSIS; INTEGRAL METHOD; THERMOLYSIS; PYROLYSIS; FIBERS;
D O I：
10.1016/j.tca.2012.12.002
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
In this study, phenol formaldehyde (PF) resins were synthesized using both bark extractives and phenol-liquefied barks from mountain pine beetle (Dendroctonus ponderosae Hopkins) infested Iodgepole pine (Pinus contorta Dougl.). The thermal stability and thermal degradation kinetics of the bark-derived PF resins were investigated by thermogravimetric analysis (TGA). The structural changes in the bark-derived PF resins at different stages of the thermal degradation were studied using the Fourier Transform Infrared Spectroscopy (FTIR). Thermal stability of the post-cured bark-derived PF resins were similar to that of the lab PF resin but differed significantly from that of the post-cured commercial PF resin. Bark-derived PF resin made from bark extractives differed significantly in thermal stability and thermal degradation kinetics from the bark-derived PF resin made from the phenol-liquefied bark. The bark-derived PF resin made from the bark extractives showed a higher thermal stability. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：46 / 52
页数：7
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