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Fibers 2013, 1(3), 47-58; doi:10.3390/fib1030047

Mechanical Reinforcement of Wool Fiber through Polyelectrolyte Complexation with Chitosan and Gellan Gum

1
Soft Materials Group, School of Chemistry, University of Wollongong, Wollongong, NSW 2522, Australia
2
Department of Chemical Sciences, Faculty Science and Technology, Universiti Malaysia Terengganu, 21030 Terengganu, Malaysia
3
Intelligent Polymer Research Institute, ARC Centre of Excellence for Electromaterials Science, AIIM Facility, University of Wollongong, Wollongong, NSW 2522, Australia
*
Author to whom correspondence should be addressed.
Received: 13 August 2013 / Revised: 17 September 2013 / Accepted: 14 October 2013 / Published: 18 October 2013
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Abstract

The formation of polyelectrolyte complex (PEC) wool fibers formed by dipping chitosan or gellan gum-treated wool fibers into biopolymer solutions of opposite charge is reported. Treating wool fibers with chitosan (CH) and gellan gum (GG) solutions containing food dyes resulted in improved mechanical characteristics compared to wool fibers. In contrast, pH modification of the solutions resulted in the opposite effect. The mechanical characteristics of PEC-treated fibers were affected by the order of addition, i.e., dipping GG-treated fibers into chitosan resulted in mechanical reinforcement, whereas the reverse-order process did not.
Keywords: mechanical properties; polyelectrolyte complex; chitosan; gellan gum; wool mechanical properties; polyelectrolyte complex; chitosan; gellan gum; wool
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Amin, K.A.M.; in het Panhuis, M. Mechanical Reinforcement of Wool Fiber through Polyelectrolyte Complexation with Chitosan and Gellan Gum. Fibers 2013, 1, 47-58.

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