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Tailoring the effect of antibacterial polyelectrolyte multilayers by choice of cellulosic fiber substrate
KTH, Skolan för kemivetenskap (CHE), Fiber- och polymerteknik.ORCID-id: 0000-0003-1812-7336
KTH, Skolan för kemivetenskap (CHE), Fiber- och polymerteknik.ORCID-id: 0000-0001-8622-0386
KTH, Skolan för kemivetenskap (CHE), Fiber- och polymerteknik.
2013 (engelsk)Inngår i: Holzforschung, ISSN 0018-3830, E-ISSN 1437-434X, Vol. 67, nr 5, s. 573-578Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
Walter de Gruyter, 2013. Vol. 67, nr 5, s. 573-578
Emneord [en]
antibacterial, cellulose modification, contact-active, polyelectrolyte adsorption, polyelectrolyte multilayers, polyvinylamine
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Identifikatorer
URN: urn:nbn:se:kth:diva-124963DOI: 10.1515/hf-2012-0191ISI: 000321038000012Scopus ID: 2-s2.0-84883028644OAI: oai:DiVA.org:kth-124963DiVA, id: diva2:638806
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QC 20130802

Tilgjengelig fra: 2013-08-02 Laget: 2013-08-02 Sist oppdatert: 2017-12-06bibliografisk kontrollert

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