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Registro Completo
Biblioteca(s): |
Embrapa Instrumentação. |
Data corrente: |
09/10/2003 |
Data da última atualização: |
24/02/2010 |
Autoria: |
MARTIN, A. R.; MANOLACHE, S.; DENES, F. C.; MATTOSO, L. H. C. |
Afiliação: |
Embrapa Instrumentação Agropecuária, São Carlos, SP. |
Título: |
Functionalization of sisal fibers and high-density polyethylene by cold plasma treatment. |
Ano de publicação: |
2002 |
Fonte/Imprenta: |
Journal of Applied Polymer Science, New York, v. 85, p. 2145-2154, 2002. |
Idioma: |
Inglês |
Conteúdo: |
Chopped sisal fibers and finely powdered high-density polyethylene were surface functionalized using dichlorosilane (DS) under radio frequency (RF)-plasma conditions and characterized by electron spectroscopy for chemical analysis (ESCA) and fluorescence labeling techniques. A high-capacity (10 L.), rotating, 13.56 MHz, electrodeless plasma installation, specially designed to allow the unform surface modification of powdery and particulate matter of irregular shape, was used. A three-factor fractional experimental design was employed to evaluate the effect of RF-power, pressure, and reaction time on the ESCA-based relative atomic composition of plasma-treated samples. It was demonstrated that -SiHxC1y functionalities are present on plasma-exposed surfaces and these functionalization reactions ca be controlled by selecting proper plasma parameters. |
Palavras-Chave: |
Cod plasma; Dichlorosilane plasma; Surface functionalization. |
Thesagro: |
Sisal. |
Thesaurus NAL: |
polyethylene. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01495naa a2200217 a 4500 001 1028040 005 2010-02-24 008 2002 bl --- 0-- u #d 100 1 $aMARTIN, A. R. 245 $aFunctionalization of sisal fibers and high-density polyethylene by cold plasma treatment. 260 $c2002 520 $aChopped sisal fibers and finely powdered high-density polyethylene were surface functionalized using dichlorosilane (DS) under radio frequency (RF)-plasma conditions and characterized by electron spectroscopy for chemical analysis (ESCA) and fluorescence labeling techniques. A high-capacity (10 L.), rotating, 13.56 MHz, electrodeless plasma installation, specially designed to allow the unform surface modification of powdery and particulate matter of irregular shape, was used. A three-factor fractional experimental design was employed to evaluate the effect of RF-power, pressure, and reaction time on the ESCA-based relative atomic composition of plasma-treated samples. It was demonstrated that -SiHxC1y functionalities are present on plasma-exposed surfaces and these functionalization reactions ca be controlled by selecting proper plasma parameters. 650 $apolyethylene 650 $aSisal 653 $aCod plasma 653 $aDichlorosilane plasma 653 $aSurface functionalization 700 1 $aMANOLACHE, S. 700 1 $aDENES, F. C. 700 1 $aMATTOSO, L. H. C. 773 $tJournal of Applied Polymer Science, New York$gv. 85, p. 2145-2154, 2002.
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