Nanocomposites of cellulose acetate butyrate reinforced with cellulose nanocrystals

被引：342
|
作者：
Grunert, M
Winter, WT [1 ]
机构：
[1] SUNY Coll Environm Sci & Forestry, Cellulose Res Inst, Syracuse, NY 13210 USA
[2] McGill Univ, Pulp & Paper Res Ctr, Montreal, PQ H3A 2A7, Canada
[3] SUNY Coll Environm Sci & Forestry, Dept Chem, Syracuse, NY 13210 USA
来源：
JOURNAL OF POLYMERS AND THE ENVIRONMENT | 2002年 / 10卷 / 1-2期
关键词：
cellulose; nanocomposites; cellulose acetatebutyrate; thermal analysis; dynamic mechanical analysis;
D O I：
10.1023/A:1021065905986
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Nanocrystals were prepared by acid hydrolysis of bacterial cellulose microfibrils. These were topochemically trimethylsilylated, in an attempt to reduce their hydrophilicity. Composites were made by dispersing either native or silylated crystals in cellulose acetatebutyrate matrixes and solution casting of the dispersions. Particles were characterized by transmission electron microscopy. The composites were characterized by differential scanning calorimetry and dynamic mechanical analysis. The unmodified cellulose crystals exhibited better reinforcement characteristics than the trimethylsilated crystals.
引用
收藏
页码：27 / 30
页数：4
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