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Tailoring the effect of antibacterial polyelectrolyte multilayers by choice of cellulosic fiber substrate
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.ORCID iD: 0000-0003-1812-7336
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.ORCID iD: 0000-0001-8622-0386
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
2013 (English)In: Holzforschung, ISSN 0018-3830, E-ISSN 1437-434X, Vol. 67, no 5, 573-578 p.Article in journal (Refereed) Published
Abstract [en]

There is a need for new, antibacterial cellulose-based materials. Antibacterial cellulosic fibers with irreversibly attached polyvinylamine (PVAm) and polyacrylic acid (PAA) in multilayers were developed based on a water-based physical adsorption process. The antibacterial substance is thus prevented from leaching, in contrast to materials containing, for example, silver. It was shown on fibers from different sources that the antibacterial effect against both Escherichia coli and Bacillus subtilis can be tailored. The efficiency correlated with the initial fiber charge, which in turn correlated with the amount of adsorbed PVAm. In the case of highly charged fibers, the antibacterial efficacy was more than 99.9%. A sustainable antibacterial material can be obtained in a simple way based on a water-based process.

Place, publisher, year, edition, pages
Walter de Gruyter, 2013. Vol. 67, no 5, 573-578 p.
Keyword [en]
antibacterial, cellulose modification, contact-active, polyelectrolyte adsorption, polyelectrolyte multilayers, polyvinylamine
National Category
Other Chemical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-124963DOI: 10.1515/hf-2012-0191ISI: 000321038000012Scopus ID: 2-s2.0-84883028644OAI: oai:DiVA.org:kth-124963DiVA: diva2:638806
Note

QC 20130802

Available from: 2013-08-02 Created: 2013-08-02 Last updated: 2017-12-06Bibliographically approved

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Illergård, JosefinWågberg, Lars

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