Summary
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.
Similar content being viewed by others
Author information
Authors and Affiliations
Additional information
Received: 22 October 2001/ Accepted: 2 November 2001
Rights and permissions
About this article
Cite this article
Kang, HA., Shin, M. & Yang, JW. Preparation and characterization of hydrophobically modified alginate. Polymer Bulletin 47, 429–435 (2002). https://doi.org/10.1007/s002890200005
Issue Date:
DOI: https://doi.org/10.1007/s002890200005