The interaction between inks and substrates is critical during printing. Adhesion of the ink film is determined by the reciprocal interactions of polar and nonpolar (dispersive) components between polymer films and inks. The greater the similarity between the polar and dispersive components of inks, coating and substrates, the better the wetting and adhesion on the surface of printing substrate. Various liquid materials in printing such as inks, varnishes, lacquers, and adhesives contain high ratios of water. The highly polar nature of water makes the interaction of these materials unsuitable with predominantly disperse polymer surfaces. Some films with polyolefin structure, especially polypropylene, and polyethylene, are nonpolar and cannot form strong bonds with ink, varnish, or lacquer coatings due to their chemical structure. Increasing surface energy components overcomes the poor wetting and adhesion on polymer surfaces. In this review, the topics of water contact angle measurement and determination of surface energy, surface tension, and using sessile drop method for the wettability and ink adhesion of polymer films are surveyed. Information on structural and chemical processes was given that assists in obtaining wettable film surfaces. Recommendations were made for good adhesion and printability based on surface treatment methods and ink modification.

中文翻译：

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聚合物膜的表面分析，以提高润湿性和油墨附着力

油墨和基材之间的相互作用在印刷过程中至关重要。油墨膜的粘附力是由聚合物膜和油墨之间的极性和非极性（分散性）成分的相互反应决定的。油墨，涂料和基材的极性和分散性组分之间的相似性越大，则在印刷基材表面上的润湿性和粘附性越好。印刷中的各种液体材料（例如墨水，清漆，清漆和粘合剂）都含有高比例的水。水的高极性性质使这些材料之间的相互作用不适用于主要分散的聚合物表面。一些具有聚烯烃结构的薄膜，特别是聚丙烯和聚乙烯，是非极性的，由于它们的化学结构，不能与油墨，清漆或清漆涂层形成牢固的结合。增加表面能成分可以克服聚合物表面上较差的润湿性和附着力。在这篇综述中，研究了水接触角测量和表面能，表面张力的测定以及使用无滴法测定聚合物膜的润湿性和油墨粘附性的主题。给出了有关结构和化学过程的信息，有助于获得可润湿的薄膜表面。根据表面处理方法和油墨改性方法，提出了有关良好附着力和可印刷性的建议。给出了有关结构和化学过程的信息，有助于获得可润湿的薄膜表面。根据表面处理方法和油墨改性方法，提出了有关良好附着力和可印刷性的建议。给出了有关结构和化学过程的信息，有助于获得可润湿的薄膜表面。根据表面处理方法和油墨改性方法，提出了有关良好附着力和可印刷性的建议。