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Effects of atmospheric plasma activation on surface properties of pigment-coated and surface-sized papers

机译:大气等离子体活化对颜料涂层和表面施胶纸表面性能的影响

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摘要

Pigment-coated, surface-sized, and surface-sized copy papers were treated with conventional corona, experimental pilot-scale plasma and laboratory-scale plasma. All the treatments increased the surface energy and oxidized the surface. The changes in the surface chemistry depended on treatment time and composition of the substrate surface. It seems that plasma especially oxidizes the long polymer chains, such as surfactants and other paper chemicals, on the surface of the paper. The ToF-SIMS distribution maps indicated that the pilot-scale treatment led to an uneven CO~+ group distribution, whereas laboratory scale treatment gave a more even distribution of CO~+ groups. In addition to chemical changes, topographical changes due to plasma treatment were detected. The RMS roughness increased for pigment-coated paper, whereas plasma treatment induced small nodules between the paper pigment particles with pigmented and surface-sized paper. The increase in roughness was also found to increase the wettability. This serves as a demonstration of roughness-induced increase of surface energy of the samples.
机译:用常规电晕,实验中试规模的等离子体和实验室规模的等离子体处理涂有颜料,表面尺寸和表面尺寸的复印纸。所有处理均增加了表面能并氧化了表面。表面化学的变化取决于处理时间和基材表面的组成。看来,等离子体尤其会氧化纸表面上的长聚合物链,例如表面活性剂和其他纸化学品。 ToF-SIMS分布图表明,中试规模处理导致CO〜+基团分布不均匀,而实验室规模处理则导致CO〜+基团分布更加均匀。除了化学变化外,还检测到由于等离子体处理引起的形貌变化。颜料涂布纸的RMS粗糙度增加,而等离子体处理在带有颜料和表面施胶纸的纸颜料颗粒之间引起小结节。还发现粗糙度的增加增加了润湿性。这证明了粗糙度引起的样品表面能的增加。

著录项

  • 来源
    《Applied Surface Science》 |2008年第5p2期|3217-3229|共13页
  • 作者单位

    Laboratory of Paper Coating and Converting and Center for Functional Materials, Abo Akademi University, Porthaninkatu 3, FI-20500 Turku, Finland;

    Vn Technical Research Centre of Finland, P.O. Box 1000, FI-02044 VTT, Finland;

    Laboratory of Paper Coating and Converting and Center for Functional Materials, Abo Akademi University, Porthaninkatu 3, FI-20500 Turku, Finland Department of Physical Chemistry and Center for Functional Materials, Abo Akademi University, Porthaninkatu 3, FI-20500 Turku. Finland;

    Vn Technical Research Centre of Finland, P.O. Box 1000, FI-02044 VTT, Finland;

    Institute of Paper Converting, Tampere University of Technology, P.O. 541, FI-33101 Tampere, Finland;

    Institute of Paper Converting, Tampere University of Technology, P.O. 541, FI-33101 Tampere, Finland;

    Laboratory of Paper Coating and Converting and Center for Functional Materials, Abo Akademi University, Porthaninkatu 3, FI-20500 Turku, Finland;

    Laboratory of Fibre and Cellulose Technology, Abo Akademi University, Porthaninkatu 3, FI-20500 Turku, Finland;

    Laboratory of Paper Coating and Converting and Center for Functional Materials, Abo Akademi University, Porthaninkatu 3, FI-20500 Turku, Finland;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    plasma activation; paper; surface chemistry; topography;

    机译:血浆活化纸;表面化学地形;

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