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Title: Thermal behavior of extracted and delignified pine wood flour

Source: Thermochimica Acta Volume 591, 2014; pp. 40–44.

Author(s)Chen, Yao; Tshabalala, Mandla A.; Gao, Jianmin; Stark, Nicole M.; Fan, Yongming; Ibach, Rebecca E.

Publication Year: 2014  View PDF »

Category: Journal Articles
Associated Research Project(s):   FPL-4706-2B  FPL-4707-2B

Abstract: To investigate the effect of extractives and lignin on the thermal stability of wood flour (WF), thermogravimetric analysis was used to determine thermal degradation behavior of extracted and delignified mixed pine WF. The contribution of lignin to thermal stability was greater than that of extractives. Removing extractives resulted in improved thermal stability by increasing onset temperature T0, and solvents with greater polarity contributed more to increasing T0. However, solvent extraction had less effect on decomposition temperature (T2) than did delignification, which significantly decreased T2. A shoulder peak was observed only in delignified WF. Acetone/water extraction, hot-water extraction, and delignification are all significant model terms for variation in T0; delignification is the most significant factor affecting T0, and T2.

Keywords: Thermal stability; Extractives; Lignin; Delignified; Pine wood flour

Publication Review Process: Formally Refereed

File size: 840 kb(s)

Date posted: 08/04/2014

This publication is also viewable on Treesearch:  view
RITS Product ID: 68126
Current FPL Scientists associated with this product (listed alphabetically)
Ibach, Rebecca E.
Research Chemist
Stark, Nicole M.
Research Chemical Engineer
Tshabalala, Mandla A.
Research Chemist

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