Effects of delignification in the production of plant-based cellulose nanofibers for optically transparent nanocomposites

被引：56

作者：

Okahisa, Yoko ^{[1
]}

Abe, Kentaro ^{[2
]}

Nogi, Masaya ^{[3
]}

Nakagaito, A. N. ^{[4
,5
]}

Nakatani, Takeshi ^{[2
,6
]}

Yano, Hiroyuki ^{[2
]}

机构：

[1] Kobe Univ, Grad Sch Human Dev & Environm, Nada Ku, Kobe, Hyogo 6578501, Japan

[2] Kyoto Univ, Res Inst Sustainable Humanosphere, Kyoto, Japan

[3] Osaka Univ, Inst Sci & Ind Res, Osaka, Japan

[4] Tottori Univ, Fac Engn, Tottori 680, Japan

[5] Univ Tokushima, Grad Sch Engn, Tokushima 770, Japan

[6] Natl Inst Adv Ind Sci & Technol, Aichi, Japan

来源：

COMPOSITES SCIENCE AND TECHNOLOGY | 2011年 / 71卷 / 10期

基金：

日本学术振兴会;

关键词：

Nanocomposites; Thermal properties; Scanning electron microscopy; Thermogravimetric analysis; Bamboo; BAMBOO; FIBER; LIGNIFICATION; MICROFIBRILS; COMPOSITES; FIBRILS; MATRIX; CULMS;

D O I：

10.1016/j.compscitech.2011.05.006

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

The pulp-making procedures prior to nanofibrillation require considerable chemical treatments to leach the matrix substances. In particular, the sodium chlorite (NaClO2) solution treatment is cyclically applied to remove lignin. In this study, we clarified the effects of delignification in the production of cellulose nanofibers and nanocomposites through a comparison of plants with lignin (2 year old lignified mature bamboo culms) and without lignin (immature bamboo shoot culms). We concluded that the NaClO2 treatment might have degraded the cellulose nanofibers, as we found that the morphology and properties of the cellulose nanofibers extracted from mature bamboo had no advantages over the nanofibers from immature bamboo. In addition, the light transmittance of the cellulose nanocomposites from immature bamboo was higher even at lower wavelengths. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：1342 / 1347

页数：6

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