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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
16/08/2016 |
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Data da última atualização: |
11/07/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CADEMARTORI, P. H. G. de; CARVALHO, A. R. de; MARANGONI, P. R. D.; BERTON, M. A. C.; BLANCHET, P.; BOLZON DE MUNIZ, G. I.; MAGALHAES, W. L. E. |
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Afiliação: |
PEDRO HENRIQUE GONZALEZ DE CADEMARTORI, Wood and Forestry Science Center (PPGEF), UFPR; AGNE ROANI DE CARVALHO, SENAI Institute of Innovation in Electrochemistry; PAULO ROBERTO DANTAS MARANGONI, SENAI Institute of Innovation in Electrochemistry; MARCOS ANTONIO COELHO BERTON, SENAI Institute of Innovation in Electrochemistry; PIERRE BLANCHET, Université Laval; GRACIELA INÊS BOLZON DE MUNIZ, UFPR; WASHINGTON LUIZ ESTEVES MAGALHAES, CNPF. |
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Título: |
Adhesion performance and film formation of acrylic emulsion coating on mediumdensity fiberboard treated with Ar plasma. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
International Journal of Adhesion and Adhesives, v. 70, p. 322-328, Oct. 2016. |
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DOI: |
10.1016/j.ijadhadh.2016.08.002 |
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Idioma: |
Inglês |
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Conteúdo: |
This work investigates the adhesion properties of medium density fiberboard (MDF) panel surfaces treated by an argon plasma at two power levels (50 and 150 W) and four glow discharge times (10, 40, 60 and 120 s) and then coated with an acrylic emulsion. Wettability parameters and film formation kinetics were investigated by water apparent contact angle and diffusing wave spectroscopy, respectively. Pull-off strength was used to determine coating/wood adhesion. The aging effect of 300-days in storage at ambient conditions was examined by apparent contact angle measurements. The wettability of the MDF surface was enhanced significantly - especially at the 150 W power level ? that improves coating/wood adhesion. A film formation process occurred in shorter time for plasma treated samples due to the faster motion of particles. MDF panels partially recovered their natural hydrophobicity in the first ten days of storage. Nevertheless, higher levels of power and time of glow discharge were able to slow down the aging effects. |
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Palavras-Chave: |
Diffusing wave spectroscopy; Espectroscopia; MDF; Molhabilidade; Surface treatment; Tratamento da superfície. |
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Thesagro: |
Madeira. |
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Thesaurus Nal: |
Wettability. |
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Categoria do assunto: |
W Química e Física |
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Marc: |
LEADER 02002naa a2200301 a 4500
001 2051000
005 2017-07-11
008 2016 bl uuuu u00u1 u #d
024 7 $a10.1016/j.ijadhadh.2016.08.002$2DOI
100 1 $aCADEMARTORI, P. H. G. de
245 $aAdhesion performance and film formation of acrylic emulsion coating on mediumdensity fiberboard treated with Ar plasma.$h[electronic resource]
260 $c2016
520 $aThis work investigates the adhesion properties of medium density fiberboard (MDF) panel surfaces treated by an argon plasma at two power levels (50 and 150 W) and four glow discharge times (10, 40, 60 and 120 s) and then coated with an acrylic emulsion. Wettability parameters and film formation kinetics were investigated by water apparent contact angle and diffusing wave spectroscopy, respectively. Pull-off strength was used to determine coating/wood adhesion. The aging effect of 300-days in storage at ambient conditions was examined by apparent contact angle measurements. The wettability of the MDF surface was enhanced significantly - especially at the 150 W power level ? that improves coating/wood adhesion. A film formation process occurred in shorter time for plasma treated samples due to the faster motion of particles. MDF panels partially recovered their natural hydrophobicity in the first ten days of storage. Nevertheless, higher levels of power and time of glow discharge were able to slow down the aging effects.
650 $aWettability
650 $aMadeira
653 $aDiffusing wave spectroscopy
653 $aEspectroscopia
653 $aMDF
653 $aMolhabilidade
653 $aSurface treatment
653 $aTratamento da superfície
700 1 $aCARVALHO, A. R. de
700 1 $aMARANGONI, P. R. D.
700 1 $aBERTON, M. A. C.
700 1 $aBLANCHET, P.
700 1 $aBOLZON DE MUNIZ, G. I.
700 1 $aMAGALHAES, W. L. E.
773 $tInternational Journal of Adhesion and Adhesives$gv. 70, p. 322-328, Oct. 2016.
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| 1. |  | MAZZOCATO, A. C. Avaliação de progênies de trevo branco na região da Campanha do Rio Grande do Sul. In: CONGRESSO BRASILEIRO DE RECURSOS GENÉTICOS; WORKSHOP EM BIOPROSPECÇÃO E CONSERVAÇÃO DE PLANTAS NATIVAS DO SEMI-ÁRIDO, 3.; WORKSHOP INTERNACIONAL SOBRE BIOENERGIA E MEIO AMBIENTE, 2010, Salvador. Bancos de germoplasma: descobrir a riqueza, garantir o futuro: anais. Brasília, DF: Embrapa Recursos Genéticos e Biotecnologia, 2010. p. 288. 1 CD-ROM. (Embrapa Recursos Genéticos e Biotecnologia. Documentos, 304). PDF 137.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Pecuária Sul. |
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| 7. | | MAZZOCATO, A. C. Herbário CNPO da Embrapa Pecuária Sul. In: WORKSHOP DE CURADORES DE GERMOPLASMA DO BRASIL, 2011, Campinas. Anais [e] resumos dos trabalhos. Brasília, DF: Embrapa Recursos Genéticos e Biotecnologia, 2011. p. 327.| Tipo: Resumo em Anais de Congresso |
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| Registros recuperados : 150 | |
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