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Comparison between hexatriacontane and stearic acid behaviours under late Ar―O2 post-discharge
The transformations undergone in a late Ar―O2 afterglow by the hexatriacontane, a long chain alkane, and the stearic acid, a C18 alkane skeleton with an acid function, are compared. The diffusion of molecular oxygen is found to be the limiting step in the case of the HTC. When the SA is treated, thi...
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Published in: | Surface & coatings technology 2011-07, Vol.205 (2), p.S443-S446 |
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creator | Belmonte, T. Bernardelli, E.A. Mafra, M. Duday, D. Frache, G. Poncin-Epaillard, F. Noël, C. Choquet, P. Migeon, H.-N. Maliska, A.M. |
description | The transformations undergone in a late Ar―O2 afterglow by the hexatriacontane, a long chain alkane, and the stearic acid, a C18 alkane skeleton with an acid function, are compared. The diffusion of molecular oxygen is found to be the limiting step in the case of the HTC. When the SA is treated, this process is fast, likely because of the high diffusion coefficient of O2 in the SA than in the HTC. Desorption of OH groups produced by the abstraction of one hydrogen from the alkane skeleton by an oxygen atom is proposed as the limiting step. The fragmentation process stands in the core of the material and creates by-products that are responsible for the appearance of bubbles whose mobility and coarsening depend on the viscosity of the treated material. Finally, by resorting to pulse mode, both the HTC and the SA can be etched whereas they are functionalized in the continuous mode where non-linear behaviours are observed. |
doi_str_mv | 10.1016/j.surfcoat.2011.03.041 |
format | article |
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The diffusion of molecular oxygen is found to be the limiting step in the case of the HTC. When the SA is treated, this process is fast, likely because of the high diffusion coefficient of O2 in the SA than in the HTC. Desorption of OH groups produced by the abstraction of one hydrogen from the alkane skeleton by an oxygen atom is proposed as the limiting step. The fragmentation process stands in the core of the material and creates by-products that are responsible for the appearance of bubbles whose mobility and coarsening depend on the viscosity of the treated material. Finally, by resorting to pulse mode, both the HTC and the SA can be etched whereas they are functionalized in the continuous mode where non-linear behaviours are observed.</description><subject>Alkane</subject><subject>Applied sciences</subject><subject>Cleaning. Degreasing. Pickling</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Engineering Sciences</subject><subject>Exact sciences and technology</subject><subject>Hexatriacontane</subject><subject>Materials science</subject><subject>Metals. Metallurgy</subject><subject>Physics</subject><subject>Plasma cleaning</subject><subject>Plasmas</subject><subject>Post-discharge</subject><subject>Production techniques</subject><subject>Stearic acid</subject><subject>Surface treatment</subject><subject>Surface treatments</subject><issn>0257-8972</issn><issn>1879-3347</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqFkMGO0zAQhi0EEmXhFZAvHDgkzNhOnNyoKmCRKu0FzmbiTKirblzZboEbL8EL8iSkKuyV00ij75tf8wvxEqFGwPbNvs6nNPlIpVaAWIOuweAjscLO9pXWxj4WK1CNrbreqqfiWc57AEDbm5X4son3R0ohx1kOXL4xz3LH36mkQD7OhWaWNI8yF14oL8mHcQF3dA7xlLI8zSMneaDCcp1-__x1p-Qx5lKNIfsdpa_8XDyZ6JD5xd95Iz6_f_dpc1tt7z583Ky3lVc9lqrVUzuqFidtoVENmrHXOHRgusa0jR7Qw0C6VwOg5o46axq2YMiSVlNLnb4Rr693d3RwxxTuKf1wkYK7XW_dZQfKGIuqP-PCtlfWp5hz4ulBQHCXTt3e_evUXTp1oN3S6SK-uopHyp4OU6LZh_xgLwmorLEL9_bK8fLxOXBy2QeePY8hsS9ujOF_UX8ApqiQqg</recordid><startdate>20110725</startdate><enddate>20110725</enddate><creator>Belmonte, T.</creator><creator>Bernardelli, E.A.</creator><creator>Mafra, M.</creator><creator>Duday, D.</creator><creator>Frache, G.</creator><creator>Poncin-Epaillard, F.</creator><creator>Noël, C.</creator><creator>Choquet, P.</creator><creator>Migeon, H.-N.</creator><creator>Maliska, A.M.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0001-5264-1203</orcidid><orcidid>https://orcid.org/0000-0002-8572-7676</orcidid></search><sort><creationdate>20110725</creationdate><title>Comparison between hexatriacontane and stearic acid behaviours under late Ar―O2 post-discharge</title><author>Belmonte, T. ; Bernardelli, E.A. ; Mafra, M. ; Duday, D. ; Frache, G. ; Poncin-Epaillard, F. ; Noël, C. ; Choquet, P. ; Migeon, H.-N. ; Maliska, A.M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c291t-63f6d261f37052514d931b804854653b1c0ba392b013e8a8745e704a7a32f6a83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Alkane</topic><topic>Applied sciences</topic><topic>Cleaning. 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The diffusion of molecular oxygen is found to be the limiting step in the case of the HTC. When the SA is treated, this process is fast, likely because of the high diffusion coefficient of O2 in the SA than in the HTC. Desorption of OH groups produced by the abstraction of one hydrogen from the alkane skeleton by an oxygen atom is proposed as the limiting step. The fragmentation process stands in the core of the material and creates by-products that are responsible for the appearance of bubbles whose mobility and coarsening depend on the viscosity of the treated material. Finally, by resorting to pulse mode, both the HTC and the SA can be etched whereas they are functionalized in the continuous mode where non-linear behaviours are observed.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.surfcoat.2011.03.041</doi><orcidid>https://orcid.org/0000-0001-5264-1203</orcidid><orcidid>https://orcid.org/0000-0002-8572-7676</orcidid></addata></record> |
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subjects | Alkane Applied sciences Cleaning. Degreasing. Pickling Cross-disciplinary physics: materials science rheology Engineering Sciences Exact sciences and technology Hexatriacontane Materials science Metals. Metallurgy Physics Plasma cleaning Plasmas Post-discharge Production techniques Stearic acid Surface treatment Surface treatments |
title | Comparison between hexatriacontane and stearic acid behaviours under late Ar―O2 post-discharge |
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