Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1055273
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dc.contributor.authorCADEMARTORI, P. H. G. dept_BR
dc.contributor.authorNISGOSKI, S.pt_BR
dc.contributor.authorMAGALHAES, W. L. E.pt_BR
dc.contributor.authorBOLZON DE MUNIZ, G. I.pt_BR
dc.date.accessioned2016-10-24T11:11:11Zpt_BR
dc.date.available2016-10-24T11:11:11Zpt_BR
dc.date.created2016-10-24pt_BR
dc.date.issued2016pt_BR
dc.identifier.citationMaderas. Ciencia y Tecnologia, v. 18, n. 4, p. 715-722, 2016.pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1055273pt_BR
dc.descriptionThis study investigated the effect of plasma treatment on changes of surface wettability of wood flooring from two Brazilian tropical species, Hymenaea spp. (rode locus) and Tabebuia spp. (lapacho). Wood flooring samples were plasma treated at low pressure in a helium atmosphere. Energy level was set at 100 W and four glow discharge times (5, 15, 30 and 45 s) were tested. Changes in wettability were investigated by measuring apparent contact angle, droplet volume and spreading contact area. The results showed less susceptibility of lapacho wood to the plasma treatments, while reduction of apparent contact angle in rode locus wood reached up to 76% for longer discharge times. In general, discharge time of 15 s produced the same effect as discharge of 45 s on wettability, which is important for industrial applications. Visual analyses revealed increase of water droplet spreading on lapacho wood surface, even though the variation of spreading contact area was not significant. Plasma treatment is feasible to improve wettability of tropical woods. Nevertheless, these findings should be investigated further due to the intrinsic characteristics of woods from tropical species.pt_BR
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectPiso de madeirapt_BR
dc.subjectGás héliopt_BR
dc.subjectMolhabilidadept_BR
dc.subjectGlow dischargept_BR
dc.subjectPlasma treatmentpt_BR
dc.subjectSpreadingpt_BR
dc.subjectSurface modificationpt_BR
dc.subjectWettingpt_BR
dc.subjectHelium gaspt_BR
dc.titleSurface wettability of Brazilian tropical wood flooring treated with He plasma.pt_BR
dc.typeArtigo de periódicopt_BR
dc.date.updated2016-11-04T11:11:11Zpt_BR
dc.subject.thesagroPlasmapt_BR
dc.subject.thesagroTratamentopt_BR
dc.subject.nalthesaurusContact anglept_BR
riaa.ainfo.id1055273pt_BR
riaa.ainfo.lastupdate2016-11-04pt_BR
dc.identifier.doi10.4067/S0718-221X2016005000062pt_BR
dc.contributor.institutionPedro Henrique G. de Cademartori, Doutorando da UFPR; Silvana Nisgoski, UFPR; WASHINGTON LUIZ ESTEVES MAGALHAES, CNPF; Graciela Ines B. de Muniz, UFPR.pt_BR
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