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A technique for production of nanocrystalline cellulose with a narrow size distribution

被引：0
|
作者：
Wen Bai
James Holbery
Kaichang Li
机构：
[1] Oregon State University,Wood Science & Engineering Department
[2] Pacific Northwest National Laboratory,Energy and Environment Directorate
来源：
Cellulose | 2009年 / 16卷
关键词：
Nanocrystalline cellulose (NCC); Microcrystalline cellulose (MCC); Differential centrifugation; Narrow size distribution; Transmission electron microscope (TEM);
D O I：
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中图分类号：
学科分类号：
摘要：
Nanocrystalline cellulose (NCC) was prepared by sulfuric acid hydrolysis of microcrystalline cellulose. A differential centrifugation technique was studied to obtain NCC whiskers with a narrow size distribution. It was shown that the volume of NCC in different fractions had an inverse relationship with relative centrifugal force (RCF). The length of NCC whiskers was also fractionized by differential RCF. The aspect ratio of NCC in different fractions had a relatively narrow range. This technique provides an easy way of producing NCC whiskers with a narrow size distribution.
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页码：455 / 465
页数：10
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