Effect of tree age on the cellulose structure of Nalita wood (Trema orientalis)

被引：40
|
作者：
Jahan, MS [1 ]
Mun, SP
机构：
[1] BCSIR Labs, Pulp & Paper Res Div, Dhaka 205, Bangladesh
[2] Chonbuk Natl Univ, Coll Agr & Life Sci, Jeonju 561756, Jeonbuk, South Korea
来源：
WOOD SCIENCE AND TECHNOLOGY | 2005年 / 39卷 / 05期
关键词：
tree age; crystallinity index; crystallite size; monoclinic; degree of polymerization;
D O I：
10.1007/s00226-005-0291-7
中图分类号：
S7 [林业];
学科分类号：
0829 ; 0907 ;
摘要：
The change of crystalline structure of Nalita cellulose with tree age has been studied using X-ray diffraction and FT-IR spectroscopy. The proportion of crystallinity and crystal size were increased with tree age. FT-IR spectroscopy showed that the Nalita cellulose was a monoclinic unit cell structure (I-beta). The proportion of crystallinity and crystal size of the 30-month-old Nalita wood was higher as compared to aspen wood. The degree of polymerization (DP) of Nalita cellulose of different ages has also been studied. The DP of cellulose increased with tree age. The DP of Nalita cellulose was lower than that of aspen cellulose. The percentage of glucose in Nalita wood increased with tree age.
引用
收藏
页码：367 / 373
页数：7
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