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Antibacterial Air Filter Nonwovens Modified by Poly(Lactide) Microspheres Containing Triclosan

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Abstract:

The paper analyses the properties of filter nonwovens modified with triclosan-containing microspheres in order to obtain antibacterial effects. The carrier of triclosan consists of microspheres made of degraded polylactide (PLA) that gradually releases triclosan, providing a uniform dosing of the antibacterial effect. The incorporation of triclosan-containing microspheres into the structure of nonwovens was carried out by padding or spraying a bath containing 2.5% or 5% microspheres. The antibacterial effect and influence of the modification on the air permeability of the filter nonwovens were assessed. The stability of the antibacterial effect was assessed on the basis of simulation tests with the use of a test stand operating with an air conditioner. Analysis of the results obtained showed that the modification used allows one to attain very good antibacterial properties. Better effects can be obtained with the use of the padding technique than by spraying. The simulation tests of nonwoven padded with a bath containing 5% of microspheres and performed with the use of an air conditioner showed that the antibacterial effect was stable for 12 months.

Tags:

microspheres, antibacterial, air filter nonwoven, triclosan.

Citation:

Goetzendorf-Grabowska B, Polus Z, Kiwała M, Karaszewska A, Kamińska I, Mączka I. Antibacterial Air Filter Nonwovens Modified by Poly(Lactide) Microspheres Containing Triclosan. FIBRES & TEXTILES in Eastern Europe 2015; 23, 1(109): 114-119.

Published in issue no 1 (109) / 2015, pages 114–119.

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