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Title: Optimization of Amino Group Introduction onto Polyurethane Surface Using Ammonia and Argon Surface-Wave Plasma
Authors: Ogino, Akihisa
Noguchi, Suguru
Nagatsu, Masaaki
Journal Title: Japanese Journal of Applied Physics
Publisher: Japan Society of Applied Physics
Journal Volume: 50
Journal Issue: 8
Start Page: 08JF06
Issue Date: 2011-08-22
Rights: © 2011 The Japan Society of Applied Physics
NDC: 427
Abstract: Effects of hydrogen and NHx species produced by a surface-wave excited Ar/NH3 plasma on amino group introduction onto a polyurethane surface were studied by comparing the results of optical emission spectroscopy (OES) and primary amino group concentration. For increasing the introduced primary amino group concentration on the surface, the monitoring and control of the concentration of NHx species as a precursor and that of atomic hydrogen as an etchant are important. From the results of X-ray photoelectron spectroscopy (XPS) and OES analysis, the primary amino group concentration and the emission intensity of Hβ reached a minimum and a maximum, respectively, at around 25% NH3 gas mixture ratio. An excess of atomic hydrogen over nitrogen grafting species might reduce the amino group selectivity and N/C surface density. To increase the concentration of NHx species produced in a plasma, the enhancement of NHx generation by the Penning effect was examined by adding Ar gas. As a result, the primary amino group concentration increased with the increase in the emission intensity of NH. However, the amino group selectivity became lower than that in the case of pure NH3 plasma treatment since not only the primary amino group concentration but also the secondary and tertiary amino group concentrations increased with the enhanced decomposition of NH3 by Ar metastables.
ISSN: 00214922 OPAC
E-ISSN: 13474065 OPAC
Publisher's DOI: 10.1143/JJAP.50.08JF06   
Journal NCID: AA12295836 OPAC ciniib
Textversion: author
Appears in Collections:11. 雑誌論文・記事(Journal Article, Article, Preprint)

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Others By: Ogino, Akihisa (荻野, 明久) (オギノ, アキヒサ) -- Noguchi, Suguru -- Nagatsu, Masaaki (永津, 雅章) (ナガツ, マサアキ)

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