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Erschienen in:

01.06.2011

Physico-chemical characterization of a cellulosic fraction from sugar beet pulp

verfasst von: Marshall L. Fishman, Hoa K. Chau, David R. Coffin, Peter H. Cooke, Phoebe Qi, Madhav P. Yadav, Arland T. Hotchkiss Jr.

Erschienen in: Cellulose | Ausgabe 3/2011

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Abstract

The residue of sugar beet pulp from which pectin and alkaline soluble polysaccharides have been removed by microwave assisted extraction or conventional heat was treated with sodium monochloroacetate under alkaline pH to convert the residual cellulose present to carboxy methyl cellulose (CMC). Weight average molar masses ranged from about 96 to 220 × 10³ Daltons, weight average intrinsic viscosity from 1.9 to 4.1 dL/g and degree of substitution from 1.38 to 0.59. HPSEC with online molar mass detectors and Atomic Force Microscopy revealed that CMC was comprised of aggregated linear moieties in contact with spherical bodies. The linear portion was a mixture of rods and segmented rods. Some of the rods had long branches.

Vorheriger Artikel Health and environmental safety aspects of friction grinding and spray drying of microfibrillated cellulose

Nächster Artikel Effects of oxygen plasma on cellulose surface

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Titel: Physico-chemical characterization of a cellulosic fraction from sugar beet pulp
verfasst von: Marshall L. Fishman
Hoa K. Chau
David R. Coffin
Peter H. Cooke
Phoebe Qi
Madhav P. Yadav
Arland T. Hotchkiss Jr.
Publikationsdatum: 01.06.2011
Verlag: Springer Netherlands
Erschienen in: Cellulose / Ausgabe 3/2011
Print ISSN: 0969-0239
Elektronische ISSN: 1572-882X
DOI: https://doi.org/10.1007/s10570-011-9521-3

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