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Open AccessFeature PaperCommunication
Materials 2016, 9(2), 100;

High Pressure Laminates with Antimicrobial Properties

CICECO–Aveiro Institute of Materials and Chemistry Department, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
EuroResinas–Indústrias Químicas SA, Plataforma Industrial de Sines-Lote Industrial I, Monte Feio, 7520-064 Sines, Portugal
SONAE Indústria de Revestimentos SA (SIR), Lugar do Espido-Via Norte, Apartado 1096, 4470-177 Maia, Portugal
Author to whom correspondence should be addressed.
Received: 5 January 2016 / Accepted: 4 February 2016 / Published: 6 February 2016
(This article belongs to the Special Issue Self-Cleaning and Antimicrobial Surfaces)
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High-pressure laminates (HPLs) are durable, resistant to environmental effects and good cost-benefit decorative surface composite materials with special properties tailored to meet market demand. In the present work, polyhexamethylene biguanide (PHMB) was incorporated for the first time into melamine-formaldehyde resin (MF) matrix on the outer layer of HPLs to provide them antimicrobial properties. Chemical binding of PHMB to resin matrix was detected on the surface of produced HPLs by attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR). Antimicrobial evaluation tests were carried out on the ensuing HPLs doped with PHMB against gram-positive Listeria innocua and gram-negative Escherichia coli bacteria. The results revealed that laminates prepared with 1.0 wt % PHMB in MF resin were bacteriostatic (i.e., inhibited the growth of microorganisms), whereas those prepared with 2.4 wt % PHMB in MF resin exhibited bactericidal activity (i.e., inactivated the inoculated microorganisms). The results herein reported disclose a promising strategy for the production of HPLs with antimicrobial activity without affecting basic intrinsic quality parameters of composite material. View Full-Text
Keywords: PHMB; high pressure laminates; antimicrobial; bacteriostatic; bactericidal; surface; melamine-formaldehyde resin PHMB; high pressure laminates; antimicrobial; bacteriostatic; bactericidal; surface; melamine-formaldehyde resin

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MDPI and ACS Style

Magina, S.; Santos, M.D.; Ferra, J.; Cruz, P.; Portugal, I.; Evtuguin, D. High Pressure Laminates with Antimicrobial Properties. Materials 2016, 9, 100.

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