Preparation and characterization of hydrophobically modified alginate

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Biodegradable alginate-derived polymeric surfactants (APSs) with a linear alkyl group (C8, C12, C16) were synthesized by oxidation followed by reductive amination of 2,3-dialdehydic alginate. The oxidized alginates and all APSs were characterized by spectral and X-ray diffractometry analysis. The sonicated suspension test was employed to form self-aggregates in aqueous solution. In the case of 40% CHO-C8 APS, the lowest interfacial tension, 31.5 mNm(-1) was obtained at the c.m.c. value of 1.35 g L-1. A biodegradability test on the 30% CHO-C12 APS system suggested that it would be attacked by a soil microorganism, Aspergillus niger.
Publisher
SPRINGER-VERLAG
Issue Date
2002-01
Language
English
Article Type
Article
Keywords

SODIUM ALGINATE; COPPER

Citation

POLYMER BULLETIN, v.47, no.5, pp.429 - 435

ISSN
0170-0839
URI
http://hdl.handle.net/10203/84758
Appears in Collection
CBE-Journal Papers(저널논문)
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