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      Extrusion Effects with Bactericidal Additives in Polymer Wood Composites

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          Abstract

          Wood polymer composite is an important material class for industries. Microbiological properties can be an important aspect to enlarge its application base. The biocidal properties of wood polymer composite (WPC) can be aggregated by incorporation of biocidal additives on its composition. But, an important aspect is the evaluation the influence of the fabrication process on its biocidal properties. In particular, the temperature and screw velocity are important parameters for extrusion processes, and the mass proportions of the compounds are important factors to define the WPC properties. Different combinations of process conditions and mass proportions of the composite can promote variation in the magnitude of the bactericidal effect. The bactericidal properties are aggregated in the composite by organic bactericidal additive and the high temperature and high shear rate during the extrusion process can affect the effectiveness of the bactericidal additive function. This paper investigates the effects of the extrusion process parameters associated with different percentages of bactericidal additives on the WPC. The results showed significant effects on the bactericidal properties that depended only on the bactericidal content.

          Most cited references14

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          Photodegradation and photostabilisation of wood – the state of the art

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            Cellular impermeability and uptake of biocides and antibiotics in Gram-negative bacteria

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              Photoaging and stabilization of rigid PVC/wood-fiber composites

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                Author and article information

                Journal
                ipp
                International Polymer Processing
                Carl Hanser Verlag
                0930-777X
                2195-8602
                2009
                : 24
                : 5
                : 414-420
                Affiliations
                1 Materials Engineering Department, University of the Extreme South of Santa Catarina, Criciúma, Brazil
                2 Chemical Engineering Department, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil
                Author notes
                Mail address: Marcio A, Fiori, Materials Engineering Department, University of the Extreme South of Santa Catarina (UNESC), Avenida Universitária 1.105, CP 3.167, CEP 88.806-000, Criciúma, SC, Brazil. E-mail: mfi@ 123456unesc.net
                Article
                IPP2280
                10.3139/217.2280
                e0e278b6-d403-4c36-8fa3-1071522e1280
                © 2009, Carl Hanser Verlag, Munich
                History
                : 17 March 2009
                : 29 August 2009
                Page count
                References: 14, Pages: 7
                Categories
                Regular Contributed Articles

                Polymer science,Materials technology,Materials characterization,General engineering,Polymer chemistry

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