Preparation of ultrastrength nanopapers using cellulose nanofibrils

被引：65

作者：

Chun, Sang-Jin ^{[1
,3
]}

Lee, Sun-Young ^{[1
]}

Doh, Geum-Hyun ^{[1
]}

Lee, Soo ^{[2
]}

Kim, Jung Hyeun ^{[3
]}

机构：

[1] Korea Forest Res Inst, Dept Forest Resources Utilizat, Seoul 130712, South Korea

[2] Changwon Natl Univ, Dept Chem Engn, Chang Won 641773, South Korea

[3] Univ Seoul, Dept Chem Engn, Seoul 130743, South Korea

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2011年 / 17卷 / 03期

关键词：

Cellulose nanofibrils; Nanopaper; Alkali treatment; Silanes; Tensile properties; MECHANICAL-PROPERTIES; FIBERS;

D O I：

10.1016/j.jiec.2010.10.022

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Cellulose nanofibrils were manufactured from cellulose powder (45 mu m particle size) using a high pressure homogenizer with various pass numbers. In the present study, the cellulose nanofibrils were used to prepare nanopapers of extremely high tensile performance. Chemical modifications with the increased pass number through the homogenizer provided the dramatically increased tensile modulus and strength of the nanopapers. The high tensile properties are related to the increased surface area, improved crystallinity, hydrogen bonding sites by the homogenization, 3-dimension network structure between the cellulose nanofibrils, and improved stress distribution during the tensile test. (C) 2011 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：521 / 526

页数：6

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