Effect of thermal modification on chemical and physical properties of Iranian Beech (Fagus orientalis) and Velvet Maple (Acer velutinum) wood

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DASTOORIAN F.; FARHADI F.; HOSEINZADEH F.; ZABIHZADEH S.M.

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Paper Information

Journal: Iranian Journal of Wood and Paper Science Research Year:2018 | Volume:33 | Issue:1 (62) Page(s): 142-154

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Title

Effect of thermal modification on chemical and physical properties of Iranian Beech (Fagus orientalis) and Velvet Maple (Acer velutinum) wood

Author(s)

DASTOORIAN F. | FARHADI F. | HOSEINZADEH F. | ZABIHZADEH S.M. | Issue Writer Certificate

Keywords

Heat treatmentQ1

water absorptionQ2

swellingQ1

fourier-transform infrared spectroscopyQ1

Abstract

The present study was done with the aim of investigating the effect of Heat treatment on chemical and physical properties of Iranian beech and Velvet maple woods. Results of spectroscopy showed that Heat treatment led to decrease of hydroxyl groups which became more sensible with increasing temperature up to 175° C. Treatment at 190° C led to an increase of hydroxyl group comparing to the control ones. Increasing cellulose crystallinity, decreasing the hemicellulose content, increasing the lignin ratio, degradation of syringyl lignin and increasing the condensation reaction of lignin was also obtained from spectroscopy. Results of water absorption tests also showed that Heat treatment decreased water absorption. The water repellency and anti-swelling efficiency for both species showed that Heat treatment at 160° C didn’ t improve the water repellency and dimensional stability. However treatment at 190° C led to decrease of water absorbance especially in beech. In general, the effect of Heat treatment on anti-swelling efficiency in beech wood was more pronounced comparing to acer, which can be explained by higher weight loss after Heat treatment.

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APA: Copy

DASTOORIAN, F., FARHADI, F., HOSEINZADEH, F., & ZABIHZADEH, S.M.. (2018). Effect of thermal modification on chemical and physical properties of Iranian Beech (Fagus orientalis) and Velvet Maple (Acer velutinum) wood. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, 33(1 (62) ), 142-154. SID. https://sid.ir/paper/109845/en

Vancouver: Copy

DASTOORIAN F., FARHADI F., HOSEINZADEH F., ZABIHZADEH S.M.. Effect of thermal modification on chemical and physical properties of Iranian Beech (Fagus orientalis) and Velvet Maple (Acer velutinum) wood. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH[Internet]. 2018;33(1 (62) ):142-154. Available from: https://sid.ir/paper/109845/en

IEEE: Copy

F. DASTOORIAN, F. FARHADI, F. HOSEINZADEH, and S.M. ZABIHZADEH, “Effect of thermal modification on chemical and physical properties of Iranian Beech (Fagus orientalis) and Velvet Maple (Acer velutinum) wood,” IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, vol. 33, no. 1 (62) , pp. 142–154, 2018, [Online]. Available: https://sid.ir/paper/109845/en

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