Abstract
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.
BASF SE, SCA Hygiene Products AB, and Vinnova are kindly acknowledged for the financial support. The authors acknowledge Innventia AB for the use of their microbiology laboratory.
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Articles in the same Issue
- Masthead
- Masthead
- Original Articles
- Biorefinery in a pulp mill: simultaneous production of cellulosic fibers from Eucalyptus globulus by soda-anthraquinone cooking and surface-active agents
- Thermomechanical pulping of novel Brazilian Eucalyptus hybrids
- Contribution of xylan to the brightness development and stability in the final ECF bleaching of eucalypt (Eucalyptus globulus Labill.) kraft pulp
- Chemistry and kraft pulping of seven hybrid aspen clones. Dimension measurements on the vessels and UMSP of the cell walls
- The role of Donnan effect in kraft cooking liquor impregnation and hot water extraction of wood
- Optimization of sulfuric acid-assisted glycerol pretreatment of sugarcane bagasse
- Laser-induced fluorescence (LIF) of lignin and lignin model compounds in Raman spectroscopy
- Polyoxometalate (POM)-aided modification of lignin from wheat straw biorefinery
- Salting-out and salting-in experiments with lignosulfonates (LSs)
- Determination of the diffusion of monovalent cations into wood under isothermal conditions based on LiCl impregnation of Norway spruce
- Modification of hemicelluloses with polycarboxylic acids
- Tailoring the effect of antibacterial polyelectrolyte multilayers by choice of cellulosic fiber substrate
- Elaboration of multilayered thin films based on cellulose nanocrystals and cationic xylans: application to xylanase activity detection
- Characterization of the pore structure of nanoporous activated carbons produced from wood waste
- Sorption properties of hydrothermally modified wood and data evaluation based on the concept of Hansen solubility parameter (HSP)
- Meetings
- Meetings
Articles in the same Issue
- Masthead
- Masthead
- Original Articles
- Biorefinery in a pulp mill: simultaneous production of cellulosic fibers from Eucalyptus globulus by soda-anthraquinone cooking and surface-active agents
- Thermomechanical pulping of novel Brazilian Eucalyptus hybrids
- Contribution of xylan to the brightness development and stability in the final ECF bleaching of eucalypt (Eucalyptus globulus Labill.) kraft pulp
- Chemistry and kraft pulping of seven hybrid aspen clones. Dimension measurements on the vessels and UMSP of the cell walls
- The role of Donnan effect in kraft cooking liquor impregnation and hot water extraction of wood
- Optimization of sulfuric acid-assisted glycerol pretreatment of sugarcane bagasse
- Laser-induced fluorescence (LIF) of lignin and lignin model compounds in Raman spectroscopy
- Polyoxometalate (POM)-aided modification of lignin from wheat straw biorefinery
- Salting-out and salting-in experiments with lignosulfonates (LSs)
- Determination of the diffusion of monovalent cations into wood under isothermal conditions based on LiCl impregnation of Norway spruce
- Modification of hemicelluloses with polycarboxylic acids
- Tailoring the effect of antibacterial polyelectrolyte multilayers by choice of cellulosic fiber substrate
- Elaboration of multilayered thin films based on cellulose nanocrystals and cationic xylans: application to xylanase activity detection
- Characterization of the pore structure of nanoporous activated carbons produced from wood waste
- Sorption properties of hydrothermally modified wood and data evaluation based on the concept of Hansen solubility parameter (HSP)
- Meetings
- Meetings