Journal
CELLULOSE
Volume 16, Issue 3, Pages 455-465Publisher
SPRINGER
DOI: 10.1007/s10570-009-9277-1
Keywords
Nanocrystalline cellulose (NCC); Microcrystalline cellulose (MCC); Differential centrifugation; Narrow size distribution; Transmission electron microscope (TEM)
Funding
- Schill + Seilacher Struktol'' AG, Hamburg, Germany
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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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