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Epoxy Resin Surface Functionalization Using Atmospheric Pressure Plasma Jet Treatment

机译：大气压等离子射流处理环氧树脂表面功能化

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摘要

Atmospheric pressure plasma jet (APPJ) of N_2 has been applied to promote adhesion between the epoxy resin post and composite core material due to the chemical active functional groups created. The APPJ was proved to be able to improve adhesive ability of the epoxy resin through the polar groups such as carbonyl group on its surface revealed by decreasing contact angle. The jet was generated from N_2/Ar and N_2/He gas mixture with ratio as low as 0.40-0.44 vol%, respectively. The optical emission spectrometry showed that the active species which could react with the substrate surface are nitrogen molecules and nitrogen molecules ion. The radial distribution functions (RDFs) calculations indicated that the most probable position of nitrogen active species reacting on the epoxy surface is at hydroxyl group with hydrogen bonding distance less than 35 nm.
机译：由于产生的化学活性官能团，N_2的大气压等离子体射流（APPJ）已被用于促进环氧树脂桩和复合芯材之间的粘附。事实证明，APPJ能够通过减小接触角揭示的表面上的极性基团（例如羰基）提高环氧树脂的粘合能力。射流是由N_2 / Ar和N_2 / He气体混合物生成的，其比例分别低至0.40-0.44 vol％。发光光谱表明，可与基材表面反应的活性种是氮分子和氮分子离子。径向分布函数（RDFs）计算表明，氮活性物质在环氧表面反应的最可能位置是羟基，氢键合距离小于35 nm。

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  • 来源
    《Japanese journal of applied physics》 |2012年第1issue2期|p.01AJ04.1-01AJ04.5|共5页
  • 作者

    Waleepan Sangprasert; Piyarat Nimmanpipug; Piriya Yavirach; Vannajan Sanghiran Lee; Dheerawan Boonyawan;

  • 作者单位

    Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huaykaew, Suthep, Chiang Mai 50200, Thailand;

    Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huaykaew, Suthep, Chiang Mai 50200, Thailand,Thailand Center of Excellence in Physics, CHE, 328 Sri Ayudhya Road, Bangkok 10400, Thailand;

    Department of Prosthodontic, Faculty of Dentistry, Chiang Mai University, 239 Huaykaew, Suthep, Chiang Mai 50200, Thailand;

    Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huaykaew, Suthep, Chiang Mai 50200, Thailand,Thailand Center of Excellence in Physics, CHE, 328 Sri Ayudhya Road, Bangkok 10400, Thailand;

    Thailand Center of Excellence in Physics, CHE, 328 Sri Ayudhya Road, Bangkok 10400, Thailand,Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, 239 Huaykaew, Suthep, Chiang Mai 50200, Thailand;

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