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 | Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
02/07/2003 |
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Data da última atualização: |
20/07/2011 |
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Autoria: |
MAGALHÃES, W. L. E.; SOUZA, M. F. de. |
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Afiliação: |
MAGALHÃES, Pesquisador da Embrapa Florestas. |
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Título: |
Solid softwood coated with plasma-polymer for water repellence. |
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Ano de publicação: |
2002 |
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Fonte/Imprenta: |
Surface and Coatings Technology, v. 155, p. 11-15, 2002. |
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Descrição Física: |
Staff cnpf. |
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Idioma: |
Inglês |
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Conteúdo: |
Cold plasmas were produced by eletrical glow discharges in a gas at reduced pressure and at low frequency. The precursor gases used were ethylene, acetylene, butene-1, and vapor of vinyl acetate. The treatment caused the solid softwood surface to become hydrophobic; 1-butene-plasma produced the best results. Although the surface treatment resulted in water repellence, permeability to water vapor remained. Using a mixture of tetraethyl orthosilicate vapor (TEOS) and oxygen (O2) it was possible to investigate the inability of the glow discharge to coat the surface of wood orifices. |
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Palavras-Chave: |
Absorção do vapor de água; Ângulo de contato; Hydrophobic surface; Plasma polymerization; Polimerização por plasma; Superfície hidrofóbica; Water vapor absoption. |
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Thesagro: |
Madeira. |
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Thesaurus Nal: |
contact angle; scanning electron microscopy; wood. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01415naa a2200277 a 4500
001 1302671
005 2011-07-20
008 2002 bl uuuu u00u1 u #d
100 1 $aMAGALHÃES, W. L. E.
245 $aSolid softwood coated with plasma-polymer for water repellence.$h[electronic resource]
260 $c2002
300 $cStaff cnpf.
520 $aCold plasmas were produced by eletrical glow discharges in a gas at reduced pressure and at low frequency. The precursor gases used were ethylene, acetylene, butene-1, and vapor of vinyl acetate. The treatment caused the solid softwood surface to become hydrophobic; 1-butene-plasma produced the best results. Although the surface treatment resulted in water repellence, permeability to water vapor remained. Using a mixture of tetraethyl orthosilicate vapor (TEOS) and oxygen (O2) it was possible to investigate the inability of the glow discharge to coat the surface of wood orifices.
650 $acontact angle
650 $ascanning electron microscopy
650 $awood
650 $aMadeira
653 $aAbsorção do vapor de água
653 $aÂngulo de contato
653 $aHydrophobic surface
653 $aPlasma polymerization
653 $aPolimerização por plasma
653 $aSuperfície hidrofóbica
653 $aWater vapor absoption
700 1 $aSOUZA, M. F. de
773 $tSurface and Coatings Technology$gv. 155, p. 11-15, 2002.
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