Influence of Colorant on Ink-Jet Printing Quality

2011 ◽  
Vol 689 ◽  
pp. 372-376
Author(s):  
Xian Leng ◽  
Bing Rong Cui ◽  
Lu Hai Li ◽  
Peng Du ◽  
Wen Zhao ◽  
...  
Keyword(s):  
Print Quality ◽  
Light Fastness ◽  
Solid Density ◽  
Printing Quality ◽  
Aging Test ◽  
Ink Jet ◽  
Coated Film ◽  
Digital Microscope ◽  
Jet Printing ◽  
Coating Layers

This study aims to analyse how inks of different colorant present unlike printing quality on selected substrates in inkjet printing. Applying Epson piezoelectric inkjet printer, experiments of printing pigment-based ink and dye-based ink on various substrates (coated art paper, porous photo paper, swellable photo paper, PP synthetic paper, xuan paper and PET-based coated film) were carried out respectively. Using digital microscope, the spreading, penetrating and distributing of ink drops were observed. Water fastness and light fastness were evaluated through aging test and water-immersing test, by measuring the decreasing of optical solid density. Taking the formula of inks and the composition of coating layers into consideration, contrast and analysis of print quality with different black inks on substrates of diverse support body were studied. The result demonstrates: Both dye-base and pigment-base inks present ideal optical density in special-purpose photo paper (swellable or porous type), exhibit distinct writing picture edge, and excellent water fastness and light fastness. While, coated art paper, PP synthetic paper, xuan paper and PET-based coated film, which shows relatively rough surface or weak ink absorbancy, are more suitable to use pigment-based ink.

Influence of Ink Performance on Ink-Jet Printing Quality

2013 ◽  
Vol 469 ◽  
pp. 348-353 ◽  
Author(s):  
Hai Ying Tian ◽  
Xian Fu Wei ◽  
Bei Qing Huang
Keyword(s):  
Surface Tension ◽  
Active Agent ◽  
Apparent Depth ◽  
Print Quality ◽  
Ink Jet Printing ◽  
Printing Quality ◽  
Ink Jet ◽  
Apparent Color ◽  
Jet Printing

The era of environmental protection and personalization has become increasingly prominent, and people not only focus on the beauty of the design, but also pay more attention to the quality of the clothing. For inkjet printing, the viscosity and surface tension of ink are major factors that affect the quality of ink-jet printing. In order to obtain a better print quality, the samples of five different viscosity and surface tension of ink were prepared respectively by changing the content of the resin and the surface active agent. Using these samples to print on the fabric by Epson printer, and to discuss the influence of the ink in different viscosity and surface tension on the ink-jet printing quality, such as apparent color depth (K / S), color parameters (L, C), permeability, clarity. The results showed that: with the increase of the ink viscosity, the apparent depth of color yield increased gradually and became darker in color. L value decreased gradually and had a increasing trend, and tends to be stable. C value increased and vividness of the color was improved. And it also had a certain impact on the infiltration resistance and clarity. Surface tension also had a significant impact on the depth of the apparent color, vividness of the color and directly affected the ink permeability and clarity.

The Inter-Relationship Between Paper Structure and Print Quality in Ink Jet Printing

1990 ◽  
Vol 197 ◽  
Author(s):  
John F. Oliver ◽  
A. Y. Jones
Keyword(s):  
Quality Evaluation ◽  
Capillary Absorption ◽  
Print Quality ◽  
Paper Properties ◽  
Coated Papers ◽  
Ink Jet ◽  
The Future ◽  
Jet Printing ◽  
Paper Structure ◽  
Potential Opportunity

ABSTRACTThis article describes a print quality evaluation of laboratory designed ink jet papers prepared on a dynamic former. A comparison with various plain and coated papers serves to illustrate the potential opportunity for papermakers to exploit novel types of paper structures in the future. The article will also briefly focus on some of the fundamental issues and key paper properties which perturb print quality and govern the capillary absorption of aqueous inks.

Evaluation of Quality for Ink-Jet Printing Based on Capturing Measurement and Control Elements by CCD

2010 ◽  
Vol 174 ◽  
pp. 211-214 ◽  
Author(s):  
Zhen Liu ◽  
Jian Hong ◽  
Sheng Hui Li
Keyword(s):  
Detection Method ◽  
Rapid Development ◽  
Digital Printing ◽  
Ink Jet Printing ◽  
Quality Detection ◽  
Printing Quality ◽  
Ink Jet ◽  
Jet Printing ◽  
And Control ◽  
Measurement And Control

with the rapid development of digital printing, the method and standard of quality detection for digital printing become focus of research. The main work and innovations in this paper include: ①Computer image analysis method was applied to ink-jet printing quality detection for the first time; ②Compared with traditional printing quality test, ink dot, line, color patch and MTF (Modulation Transfer Function) were selected as measurement and control elements. And the test proofs for detecting printing quality were designed; ③The detection algorithm and the overall detection process were put forward in this paper. The result of the experiment demonstrates: the detection method based on capturing measurement and control elements by CCD can accurately accomplish the objective quality evaluation for ink-jet printing. Detection method of print was improved to extend the scope of detection by this research, which could be generalized as a standard method for the detection of ink-jet printing quality.

Influence of the Viscosity of Edible Ink to Piezoelectric Ink-Jet Printing Drop State

2012 ◽  
Vol 200 ◽  
pp. 676-680 ◽  
Author(s):  
Jing Mei Sun ◽  
Xian Fu Wei ◽  
Bei Qing Huang
Keyword(s):  
Inkjet Printing ◽  
Great Influence ◽  
Tail Length ◽  
Ink Jet Printing ◽  
Printing Quality ◽  
Ink Jet ◽  
Jet Printing ◽  
Different Levels ◽  
The Way

Piezoelectric Inkjet Printing is the main ink-jet printing at present, and drop state will have great influence to ink-jet printing quality, so the ink-jet drop state of edible ink is researched based on piezoelectric inkjet printing. The viscosity of the ink is adjusted by the way of adding different levels of resin, and then the samples which have different viscosity are got. Drop state is observed through drops observatory which installs Spectra Polaris nozzle (35pl), then the speed, volume, tail length and roundness of the drops are measured at certain moment in order to evaluate the influence of viscosity to ink-jet drop state. The result shows that viscosity has big influence to ink-jet drop state, when the viscosity becomes larger, the speed of drops becomes smaller, the variation of volume is not so obvious, the tail length of drops becomes smaller and roundness becomes larger accordingly, until the viscosity is 10mPa•s, the tail length is the smallest and roundness is the biggest, the drop state is the best , when viscosity is bigger than 10mPa•s, the tail length will become bigger and roundness smaller.

Effects of Paper on Color Reproduction Quality in Ink-Jet Printing

2013 ◽  
Vol 469 ◽  
pp. 336-339
Author(s):  
Shun Jiang ◽  
Guang Xue Chen ◽  
Xiao Meng Cui
Keyword(s):  
Management Technique ◽  
Color Management ◽  
Color Reproduction ◽  
Ink Jet Printing ◽  
Solid Density ◽  
Ink Jet ◽  
Commercial Paper ◽  
Jet Printing ◽  
Directive Function ◽  
Digital Ink

In digital printing process, the color reproduction quality is no longer determined by printing sequence, trapping, solid density and etc., since the technique is different from traditional printing technology. In order to analyze the effects of paper on color reproduction quality in digital ink-jet printing, three kinds of commercial paper were selected and a set of experiments were carried out by using color management technique to simulate the digital proofing. The density and chromaticity of both primary color and composite color in each printed were measured. The effects of paper’s characters on shadow, mid-tone and highlight were analyzed and discussed. Finally the influence on color reproduction quality principle, including chromaticity and absorbing characteristics of paper, was revealed. The conclusion has certain significance in directive function in ink-jet printing.

Research on the Color Stability of Edible Ink-Jet Ink

2011 ◽  
Vol 380 ◽  
pp. 85-88 ◽  
Author(s):  
Jing Mei Sun ◽  
Xian Fu Wei ◽  
Bei Qing Huang
Keyword(s):  
Ph Value ◽  
Color Stability ◽  
Strong Light ◽  
Food Preservative ◽  
Ink Jet Printing ◽  
Printing Quality ◽  
Ink Jet ◽  
Long Time ◽  
Jet Printing ◽  
The Stability

Edible ink-jet ink is environmental friendly and all of its materials reach the food sanitation standards, so it can be directly printed on the surface of food, medicine and packaging in the way of non-contact ink-jet printing. Due to the acid and alkaline of food surface are different, and the food may experience low or high temperatures and long time exposure in the preserved process, so the stability of the ink is of vital important. Edible ink-jet ink has been prepared through choosing reasonable materials. And then, the performances of the ink such as viscosity, surface tension and pH value have been tested. Finally, the best formula of ink has been determined by evaluating the influence of the ink performances to the ink-jet printing quality. We prepared ink sample based on the best formula and stored it in normal temperature environment which is closed to outside, and evaluated the stability of the ink performance through regularly checking its performance; we evaluated the stability of the ink color under different PH value through adding a little acid-base regulator in it; we also evaluated the stability of the ink color to temperature and light through putting the coating sample in the environment with alternate high and low temperature and in the environment with strong light. The result shows that the stability of the ink is fine, and it can be preserved a month at least without any food preservative. The pH value, temperature and light have no influence to the ink color. So it has a favorable color performance and can be printed on the surface of food.

Research on the Influencing Factors to Printing Quality of Edible Ink-Jet Printing Ink

2012 ◽  
Vol 262 ◽  
pp. 282-286
Author(s):  
Jing Mei Sun ◽  
Xian Fu Wei ◽  
Bei Qing Huang
Keyword(s):  
Surface Tension ◽  
Influencing Factors ◽  
Tail Length ◽  
Ink Jet Printing ◽  
Printing Quality ◽  
Ink Jet ◽  
Result Show ◽  
Jet Printing ◽  
Printing Ink

In the process of the ink drops forming and spreading out, the viscosity and surface tension of the ink play an important role, and then the drops’ injection and printing quality will be influenced by this process. Besides, drops control technology is the key of ink-jet printing technology, and the drops’ injection state will also influence the printing quality. In order to research the influencing factors to printing quality, many samples with different performances are prepared and their drop states include speed, tail length and volume are measured with drop observatory. And then, the specimen pages include lines of different width are printed, order to assessment the printing quality comprehensively, their line width, raggedness, blurriness, density and contrast are measured. The result show that the inks with different performance show different speed, tail length and volume, and their corresponding printing qualities are different too, and there exists linear relationship between printing quality and the drops’ viscosity, surface tension and speed.

Effects of Paper on 3D Printing Quality in UV Ink-Jet Printing

2015 ◽  
Vol 731 ◽  
pp. 312-315
Author(s):  
Liu Xi He ◽  
Guang Xue Chen ◽  
Huan Mei Wang
Keyword(s):  
3D Printing ◽  
Ink Jet Printing ◽  
Printing Quality ◽  
Ink Jet ◽  
Jet Printing

The experiment studied effects of paper on the height and glossiness of UV ink-jet 3D printing. The results showed that there all existed penetrations between the 1st ink layer and three kinds of paper, the bigger the roughness and bulk of paper were, the larger the penetration was, and penetration between the 1st ink and paper was obviously larger than that between two ink layers. Penetration between two ink layers was stable, almost not affected by paper. The bigger the roughness and bulk of paper were, the smaller the glossiness of ink layer was. There appeared directional ink strips on ink layer on three kinds of paper, beginning from the 3rd ink layer, there also appeared ink pits on ink layer on paper whose roughness and bulk were the biggest, which showed printer precision was also an important factor for the glossiness, apart from paper. Thus, the tight and smooth paper should be selected in UV ink-jet 3D printing. Before printing, pretreatment should be done to exclude the influence of the 1st ink layer and the ink strips.

Printing Quality Evaluation of Inkjet Light-Box Cloth

2012 ◽  
Vol 200 ◽  
pp. 743-746 ◽  
Author(s):  
Xing Yin ◽  
Xiao Xiu Hao ◽  
Cheng Sun
Keyword(s):  
Quality Evaluation ◽  
Reference Data ◽  
Printing Industry ◽  
Solid Density ◽  
Printing Quality ◽  
Ink Jet ◽  
Dot Gain ◽  
Relative Contrast ◽  
Evaluation Parameters

Ink-jet light-box cloth has been widely used in municipal engineering, supermarket, exhibition, hotel and other places, and played an indispensable role of advertising and decoration. There have been no unified parameters and standards for printing quality evaluation of ink-jet light-box cloth. To solve this problem, a group of researches were carried out according to its printability, which selected light-box cloth printed by inkjet. The parameters such as solid density, dot gain, relative contrast of the light-box cloth were tested and analyzed. Based on the results, the printing quality evaluation parameters were put forward. The purpose was to provide reference data for quality evaluation in light-box cloth printing industry.

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