Thin Film Deposition by Atmospheric Pressure Dielectric Barrier Discharges Containing Eugenol: Discharge and Coating Characterizations

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Autor(es): dc.contributorBahir Dar Univ-
Autor(es): dc.contributorUniversidade Estadual Paulista (Unesp)-
Autor(es): dc.creatorGetnet, Tsegaye Gashaw [UNESP]-
Autor(es): dc.creatorKayama, Milton E. [UNESP]-
Autor(es): dc.creatorRangel, Elidiane C. [UNESP]-
Autor(es): dc.creatorCruz, Nilson C. [UNESP]-
Data de aceite: dc.date.accessioned2022-02-22T01:03:04Z-
Data de disponibilização: dc.date.available2022-02-22T01:03:04Z-
Data de envio: dc.date.issued2021-06-25-
Data de envio: dc.date.issued2021-06-25-
Data de envio: dc.date.issued2020-10-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.3390/polym12112692-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/210567-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/210567-
Descrição: dc.descriptionEugenol (4-Allyl-2-methoxyphenol) is the main constituent of clove oil. In addition to being widely used as a condiment, it has been recognized as a powerful bactericide. Owing to that, Eugenol has been used in several applications including odontology and as a conservative for food products. Aiming at the development of natural bactericide coatings, in this work, using an atmospheric pressure plasma in a dielectric barrier discharge (DBD) reactor Eugenol was deposited on stainless steel substrate, with argon as a carrier gas. The discharge power supply was a transformer at 14.4 kV peak-to-peak voltage and 60 Hz frequency. Operating with a gas flow rate at 4 L/min, the active power was around 1.2 W. The maximum plasma electron temperature of the plasma with monomers was about 1.5 eV, estimated by visible emission spectroscopy using a local thermodynamic equilibrium approach. The study also comprehended the analysis of the film structure, aging, and thermal stability using infrared reflectance spectroscopy, and its thicknesses and roughness by profilometry. The thickness of the films was in the range of 1000 to 2400 nm with a roughness of up to 800 nm with good adhesion on the substrate. The FTIR result shows a stable coating with a chemical structure similar to that of the monomer. Aging analysis showed that the film does not degrade, even after exposing the film for 120 days in ambient air and for 1.0 h under a high thermal UV-lamp.-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionBahir Dar Univ, Coll Sci, Dept Chem, Bahir Dar 79, Ethiopia-
Descrição: dc.descriptionSao Paulo State Univ, Inst Sci & Technol, Lab Technol Plasmas, BR-18087180 Sorocaba, SP, Brazil-
Descrição: dc.descriptionSao Paulo State Univ, Lab Plasma & Applicat, Campus Guaratingueta, BR-12516410 Guaratingueta, SP, Brazil-
Descrição: dc.descriptionSao Paulo State Univ, Inst Sci & Technol, Lab Technol Plasmas, BR-18087180 Sorocaba, SP, Brazil-
Descrição: dc.descriptionSao Paulo State Univ, Lab Plasma & Applicat, Campus Guaratingueta, BR-12516410 Guaratingueta, SP, Brazil-
Descrição: dc.descriptionFAPESP: 190896/2015-9-
Descrição: dc.descriptionFAPESP: 302992/2017-0-
Formato: dc.format16-
Idioma: dc.languageen-
Publicador: dc.publisherMdpi-
Relação: dc.relationPolymers-
???dc.source???: dc.sourceWeb of Science-
Palavras-chave: dc.subjectEugenol-
Palavras-chave: dc.subjectplasma-
Palavras-chave: dc.subjectdielectric barrier discharge-
Título: dc.titleThin Film Deposition by Atmospheric Pressure Dielectric Barrier Discharges Containing Eugenol: Discharge and Coating Characterizations-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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