Thermal,spectroscopic, and flexural properties of anhydride modified cultivated <Emphasis Type="Italic">Acacia</Emphasis> spp. |
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Authors: | H P S Abdul Khalil A Khairul I O Bakare Irshad-Ul-Haq Bhat |
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Institution: | (1) School of Industrial Technology, Universiti Sains Malaysia, 11800 Minden, Penang, Malaysia |
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Abstract: | The effects of chemical modification on the thermal stability of cultivated Acacia
mangium and Acacia
hybrid wood species were investigated. Evidence of modification was indicated by increase of weight and was confirmed by Fourier
transform infrared analysis (FT-IR). The thermal stability measured by thermogravimetric analysis (TGA) increased after esterification
with propionic and succinic anhydrides. Thermal stability of succinylated samples was found to be highest based on the values
of on-set degradation temperatures, the temperatures at which 30, 50, and 70% degradation occurred. The observed higher thermal
stability of the succinylated and propionylated Acacia wood samples when compared with unmodified wood was attributed to the reduction in hydrophilic nature of the wood due to
esterification reaction. |
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Keywords: | |
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