Investigation of the Evolution of Hydrophobicity and Wettability of Paper in Multi-Color Printing Process

Aydemir, Cem; Karademir, Arif; İmamoğlu, Sami; Altay, Bilge Nazlı; Fleming, Paul D.; Tutak, Dogan

doi:10.35812/cellulosechemtechnol.2019.53.77

Cited by 9 publications

(14 citation statements)

References 12 publications

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“…In printing, the most important factor is to obtain the correct substrate and ink combination 27 . Print quality depends on the surface quality, roughness and wettability of the polymer films.…”

Section: Discussionmentioning

confidence: 99%

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Surface analysis of polymer films for wettability and ink adhesion

Aydemir

Altay

Akyol

2020

Color Research & Application

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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.

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Section: Discussionmentioning

confidence: 99%

“…The visual quality of the print results and successful printing depend on the optimum level of wetting of the substrate and the optimum compatibility of the ink with a substrate 27‐29 …”

Section: Surface Energy Of Polymer Filmsmentioning

confidence: 99%

Surface analysis of polymer films for wettability and ink adhesion

Aydemir

Altay

Akyol

2020

Color Research & Application

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“…Ink is expected to be transferred to the printing material and to display good printability for the visual quality of printing and for post-printing processes. 25 Papers coated with the inks prepared were subjected to L*a*b* printing to assess their printability parameters. Printability findings were evaluated based on the measurement parameters given in Table 6.…”

Section: Printabilitymentioning

confidence: 99%

“…Surface energy plays an important role in the acceptance of colors to be printed on top of each other. 25 The content of the printed ink is among the parameters affecting the morphological properties of a surface, the angle of contact with the liquid, and the surface energy. Therefore, the first printed ink is an effective parameter in the adhesion and quality of the other color ink to be printed on the film surface.…”

Section: Contact Angle and Surface Energymentioning

confidence: 99%

The use of natural (Pinus pinaster) resin in the production of printing ink and the printability effect

Karademir

Aydemir

Yenidoğan

et al. 2020

Color Research & Application

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Alkyd resins are generally used in the production of printing inks. All industries look for alternative raw materials in the production of ink with the growing inclination toward using natural products. Resins forming the vehicle of the ink to be obtained from natural resources will provide benefits for the environment, nature, and living creatures. The aim of the study was to promote the use of natural resin in the ink system. Natural Pinus pinaster resin was added into vegetable and mineral oil-based solvents in pure form with alkyd resin in different amounts and ink varnishes of different combinations were prepared. Then, printing inks were produced from these varnishes in pure and hybrid form. Following the assessment of the rheological properties of the inks prepared, printing tests were conducted to assess the printing quality parameters. Ideal mixing ratios of the natural resins in the ink were determined for printability. The environmental importance and advantages of the use of natural resins were discussed. Recommendations were given in line with the results to encourage widespread use of natural resins in near future.

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“…The visual quality of print results is substantially based on the optimal level of ink merging with a substrate, particularly the drying and stabilization process of ink on the substrate (Aydemir et al, 2019). Drying is when the ink changes from a liquid state to a solid state after it is transferred to the printing substrate through the rollers and printing plate.…”

Section: Introductionmentioning

confidence: 99%

Drying methods of the printing inks

Saad¹,

Printing²,

Aydemir³

et al. 2021

J. Graph. Eng. Des.

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Accelerating the transition to post-print processes needed in the printing industry and shortening the time the product's release time is closely related to the drying time of the ink film. The drying of fluid ink on the surface of the print substrate, transforming from liquid to solid occurs physically and chemically in several ways. Drying systems can be functional alone on the surface of the printing substrate for an ink film or depending on the chemical content of the ink and the properties of the printing substrate, drying can be achieved at the same time with more than one system.Recently, in order to reduce climate, environmental and health impacts and with the development of technology, significant changes are also being experienced in the printing industry and preferences are changing. In this study, more environmentally friendly LED UV and microwave drying systems that save time and energy together with existing basic drying systems such as absorption, evaporation, oxidation-polymerization and conventional UV used in the printing industry are examined. The advantages of different drying systems to the printing industry, preferred drying systems and new studies on this issue have been evaluated.

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Investigation of the Evolution of Hydrophobicity and Wettability of Paper in Multi-Color Printing Process

Cited by 9 publications

References 12 publications

Surface analysis of polymer films for wettability and ink adhesion

Surface analysis of polymer films for wettability and ink adhesion

The use of natural (Pinus pinaster) resin in the production of printing ink and the printability effect

Drying methods of the printing inks

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