scholarly journals An investigation on printability of different solvent based inks by gravure printing onto various substrates

2020 ◽  
Vol 11 (2) ◽  
pp. 31-36
Author(s):  
Arif Ozcan ◽  
◽  
Rasim Zulfigaroglu ◽  
Keyword(s):  
Isopropyl Alcohol ◽  
Testing Machine ◽  
Substrate Material ◽  
Print Quality ◽  
Gravure Printing ◽  
Printing System ◽  
Intaglio Printing ◽  
Main Factors ◽  
Printed Materials ◽  
Alcohol Ethyl

Gravure printing is an intaglio printing process, the image to be printed is engraved on the surface of the gravure cylinder, so that the image to be printed is embedded into the surface. The places engraved in the cylinder during printing are filled with ink, surplus of ink is stripped by a blade and separated for reuse. Print quality consistency and efficiency is high in gra-vure printing. It is also possible to print on different substrates. Ink systems, viscosity, surface properties of substrate material and dot structures on the gravure cylinder are the main factors that determine the print quality. Appropriate inks can be chosen depending on the material to be printed and finished product used area. Mostly solvent based inks are used. The aim of this study is to determine the solvent that can enable higher quality printing on different substrates, which are frequently used in the gravure printing system, and to investigate the conditions under which the ink-sub-strates interface relationship can be the best in terms of printability.In this study, IGT F1 laboratory type gravure testing machine was used. Polyethylene and polypropylene printable films are used as the substrate materials. Three different solvent-based inks are used, prepared with ethyl alcohol, ethyl acetate and isopropyl alcohol. Density, contact angle, surface energy and gloss properties of the printed materials were examined. The printability properties of selected substrates and inks have been determined.

The Study on Color Print Quality Attributes of In-Mold Roller Using Digital Inkjet Printing

2012 ◽  
Vol 262 ◽  
pp. 340-344 ◽  
Author(s):  
Chang Lang Chen ◽  
Mei Chun Lo ◽  
Yun Ti Su ◽  
Yu Tung Chang
Keyword(s):  
Inkjet Printing ◽  
Screen Printing ◽  
Print Quality ◽  
Gravure Printing ◽  
Color Gamut ◽  
Printing Process ◽  
Study Results ◽  
Pet Film ◽  
Printing Processes ◽  
Potential Use

The In-Mold Roller is a revolutionary printing process by which objects are 3D decorated. The products decorated by In-Mold Roller are protected from water and fading. These kinds of decorations strongly increase the beauty, desirability and value of the objects. The In-Mold Roller is now using either of gravure printing and screen printing to print PET film. However, there are some problems with these two techniques. This research is to investigate the potential use of combining In-Mold Roller with digital inkjet printing in 3D decoration, e.g. in personalized printing services. The study results found show that digital inkjet printing to the PET film and then transfer to the ABS, the solid ink densities (SIDs) of primaries would increase. The tone values increases (TVIs) from highlight and middle (around 0~60%) were generally higher than those in shadows. The shapes and sizes of color gamut were also varied according to different kinds of digital UV inkjet printing processes. Moreover, after transferred, the color gamut became smaller.

scholarly journals Development of mathematical models of print quality by Box-Wilson

2021 ◽  
Vol 304 ◽  
pp. 03023
Author(s):  
Ulbosin Eshbaev ◽  
Akbarjon Nishonov ◽  
Aziz Saodatov
Keyword(s):  
Objective Assessment ◽  
Color Perception ◽  
Paint Layer ◽  
Synthetic Polymers ◽  
Optimal Choice ◽  
Print Quality ◽  
Offset Printing ◽  
Before And After ◽  
Static Modeling ◽  
Printed Materials

The transfer coefficient of ink to the printed material was determined by comparing the mass of the printed material before and after printing. The specifics of the interaction of the printed surface with the surface of the paint layer and the influence of technological factors on the graphic distortion of the image when printing on paper also affect the gradation characteristic of the image. This article states about static modeling, preliminary analysis of the color perception of offset printing on papers including synthetic polymers. On the basis of the model of color perception obtained as a result of research in offset printing on printed materials, the optimal choice is developed, which allows to make an objective assessment and predict the color perception of the printed materials.

Highly stable flex sensors fabricated through mass production roll-to-roll micro-gravure printing system

2015 ◽  
Vol 236 ◽  
pp. 73-81 ◽  
Author(s):  
Memoon Sajid ◽  
Hyun Woo Dang ◽  
Kyoung-Hoan Na ◽  
Kyung Hyun Choi
Keyword(s):  
Mass Production ◽  
Gravure Printing ◽  
Roll To Roll ◽  
Printing System ◽  
Flex Sensors

scholarly journals Influence of the Printing Angle and Load Direction on Flexure Strength in 3D Printed Materials for Provisional Dental Restorations

Materials ◽  
2021 ◽  
Vol 14 (12) ◽  
pp. 3376
Author(s):  
Paula Derban ◽  
Romeo Negrea ◽  
Mihai Rominu ◽  
Liviu Marsavina
Keyword(s):  
Statistical Analysis ◽  
Testing Machine ◽  
Load Direction ◽  
Flexure Strength ◽  
Three Point Bending ◽  
Dental Restorations ◽  
Frequent Use ◽  
Cad Cam ◽  
3D Printed ◽  
Printed Materials

The CAD/CAM techniques, especially additive manufacturing such as 3D printing, constitute an ever-growing part of obtaining different dental appliances and restorations. Of these, provisional restorations are of frequent use in daily dental practice and are the object of this study. Masticatory and parafunctional forces determine flexure on these prostheses. This study investigates the influence of the printing angle and loading direction of the applied force on the flexure strength of two commercially available printable resins—Detax Freeprint Temp and Nextdent MFH Vertex dental. Ten rectangular beam specimens printed at the angle of 0, 45 and 90 degrees were fabricated of each of these materials, with an addition of 10 at 0 degrees for the investigation of the load direction. Three-point bending tests were performed in a universal testing machine. Flexure strength, strain at break and Young’s modulus were determined and a statistical analysis was performed on the obtained data. According to the statistical analysis, the flexural strength has a significance dependence with respect to degrees of orientation, for both investigated materials.

Creep Behavior of Spuitered TiN Films Using Indentation Testing

1990 ◽  
Vol 188 ◽  
Author(s):  
V. Raman ◽  
R. Berriche
Keyword(s):  
Flow Behavior ◽  
Testing Machine ◽  
Constant Load ◽  
Substrate Material ◽  
Silicon Substrates ◽  
Creep Tests ◽  
Tin Films ◽  
Sputtered Films ◽  
Creep Characteristics ◽  
Indentation Tests

ABSTRACTTin films were deposited on silicon substrates by RF diode sputtering and the growth behavior of these films were characterized by scanning electron microscopy. The time dependent plastic flow behavior in these films were examined by performing indentation tests using a dcpth-scnsing hardness testing machine. Individual indentation experiments with different constant load segments were conducted and the creep characteristics of both sputtered films and bulk Sn were examined. The stress exponents determined from these tests were compared with those determined for bulk Sn from conventional creep tests. The influence of the substrate material on the creep properties of the film are described.

scholarly journals The effect of deinking and binder type on inkjet print quality

2020 ◽  
Author(s):  
Arif Ozcan ◽  
◽  
Emine Arman Kandirmaz ◽  
Omer Bunyamin Zelzele ◽  
◽  
...  
Keyword(s):  
Positive Impact ◽  
Print Quality ◽  
Precipitated Calcium Carbonate ◽  
Coated Papers ◽  
Negative Change ◽  
Use Of Resources ◽  
Dot Gain ◽  
Before And After ◽  
Binder Type ◽  
Printing System

In the printing industry, as in all other industries, efficient use of resources, sustainable production and economics are among the most important issues. The increasing use and purpose of printed products, the increasing consumer demands and the development of technology also increase the demand for paper products. Paper and cardboard materials in line with the increasing consumer demand to give better printing characteristics are implemented in a number of operations. These processes are sizing, coating, and calendering. The recycling and re-use of paper and cartons that have been treated on the surface may also differ from those that have not been treated on the surface. For this purpose, test prints were made on paper coated with cationic starch and PVOH binders and precipitated calcium carbonate (PCC) pigment before and after recycling with Inkjet printing system, which is widely used today. The effect of both recycling and binder type on the quality of the resulting prints has been studied. The colour value, dot gain, whiteness and yellowness of the prints were made using X-Rite eXact spectrophotometer. The gloss measurements were carried out with BYK-Gardner glossmeter. In addition, images of coated papers were analyzed with scanning electron microscope SEM. As a result, it was determined that there was a negative change in the colour and whiteness of the papers after recycling, but the resulting papers had a good printability value when examined in terms of printability. It has also been concluded that the PVOH binder has a more positive impact on printability.

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