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Chitosan based regenerated cellulose fibers functionalized with plasma and ultrasound
Vrabič Brodnjak, Urška (Author), Jesih, Adolf (Author), Gregor-Svetec, Diana (Author)

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Abstract
The great potential of regenerated cellulose fibers, which offer excellent possibilities as a matrix for the design of bioactive materials, was the lead for our research. We focused on the surface modification of fibers to improve the sorption properties of regenerated cellulose and biocomposite regenerated cellulose/chitosan fibers, which are on the market. The purpose of our investigation was also the modification of regenerated cellulose fibers with the functionalization by chitosan as a means of obtaining similar properties to biocomposite regenerated cellulose/chitosan fibers on the market. Argon gas plasma was used for fiber surface activation and chitosan adsorption. Ultrasound was also used as a treatment procedure for the surface activation of regenerated cellulose fibers and treatment with chitosan. Analyses have shown that ultrasonic energy or plasma change the accessibility of free functional groups, structure and reactivity, especially in regenerated cellulose fibers. Changes that occurred in the morphology and in the structure of fibers were also reflected in their physical and chemical properties. Consequently, moisture content, sorption properties and water retention improved.

Language:English
Keywords:chitosan, regenerated cellulose fibers, surface modification, plasma, ultrasonic treatment
Work type:Article (dk_c)
Tipology:1.01 - Original Scientific Article
Organization:NTF - Faculty of Natural Sciences and Engineering
Year:2018
Number of pages:12 str.
Numbering:Vol. 8, iss. 4, art. 133
UDC:677
ISSN on article:2079-6412
DOI:10.3390/coatings8040133 This link opens in a new window
COBISS.SI-ID:3475056 This link opens in a new window
Views:225
Downloads:47
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Record is a part of a journal

Title:Coatings
Shortened title:Coatings
Publisher:MDPI
ISSN:2079-6412
COBISS.SI-ID:523035673 This link opens in a new window

Document is financed by a project

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:P2-0213
Name:Tekstilije in ekologija

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:05.04.2018

Secondary language

Language:Slovenian
Keywords:hitozan, regenerirana celulozna vlakna, plazma

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