FT-IR STUDY OF MAPLE WOOD CHANGES DUE TO CO2 LASER IRRADIATION

被引：0

作者：

Kubovsky, Ivan ^{[1
]}

Kacik, Frantisek ^{[2
]}

机构：

[1] Tech Univ Zvolen, Fac Wood Sci & Technol, Dept Phys Elect Engn & Appl Mech, Zvolen 96053, Slovakia

[2] Tech Univ Zvolen, Fac Wood Sci & Technol, Dept Chem & Chem Technol, Zvolen 96053, Slovakia

来源：

CELLULOSE CHEMISTRY AND TECHNOLOGY | 2009年 / 43卷 / 7-8期

关键词：

maple; lignin; cellulose; hemicelluloses; laser; irradiation dose; FT-IR spectroscopy; THERMAL-TREATMENT; LIGNIN; SPECTROSCOPY; SOFTWOOD; HARDWOOD; SPECTRA; COLOR;

D O I：

暂无

中图分类号：

TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];

学科分类号：

0805 ; 080502 ; 0822 ;

摘要：

The paper reports on the wood component changes caused by laser beam irradiation. A 500 x 150 x 15 mm maple (Acer pseudoplatanus L.) board was irradiated by a CO2 laser beam, at different values of exposure energy (expressed as irradiation dose). Changes in the absorption intensities due to degradation and condensation reactions of the main wood components were observed by infrared spectroscopy (FT-IR). When increasing the irradiation dose (from 18 to 57 Jcm(-1)), the degradation of hemicelluloses was predominantly observed, while lignin was degraded at a lower irradiation dose and, at a higher energy dosage, lignin condensation occurred.

引用

页码：235 / 240

页数：6

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