Ink jet printing is a very critical component of the development of inkjet ink a certain extent, explains the development of inkjet printing technology, because not only determines the ink jet image quality, but also determines the shape of drops and printing system reliability. |
Print Network HC Inkjet printing (Ink-jetPrinting) is the printing industry are currently a topic of concern, it is Digital Printing In one, using digital image data storage, you can not arbitrarily change the output before the contents of its output, so it has high speed, can be a small amount of copy, easy to mix, to achieve variable information printing, low pollution and so on. Format inkjet printing in the printing, inks and printing media diversity and so expand the traditional print content, has formed a digital inkjet printing, digital proofing, digital printing markets.
Ink jet printing is a non-contact, no pressure, no plate printing technology, the development of the earliest in 1878, to the Siemens company in 1951 into drops of liquid ink technology patent, it was not needles, ink problems, results are poor, until 1960 formally step. As technology continues to evolve and progress, the growing market, according to the U.S. ITStrategies predicts that by 2009, the global ink-jet market (including hardware, ink jet printing media and ink) of the revenue will total more than 57 billion U.S. dollars.
Color ink-jet printing performance and high quality, make most consumers have been satisfied, but the printing of the time is still too slow, and very high demands on the paper, although the market has a lot of ink in special paper, but the prices are high, it is difficult for the average family and the student population in general use, so let inkjet technology can be widely applicable to various kinds of paper, is now the most urgent need to develop the technology, if special materials to make special parity of the paper is not easy, so the ink composition is the development of new direct and effective way.
Ink-jet printing ink, special ink is moderate viscosity, a non-toxic, stable, not to plug the nozzle, moisture, spray with good, to the nozzle does not corrode metal components and other properties. Present dye-based ink jet ink to the majority, the ink jet printer must have enough surface tension to prevent the emission of sputtered out when the ink. Another must have Quick-drying ink to prevent the halo on the paper open, therefore, the ink itself is one of the factors affecting the printing quality. The selection of suitable printing ink, printing good adjust the parameters to get satisfactory printed product.
An ink-jet ink composition, species Ink jet printing is a very critical component of the development of inkjet ink a certain extent, explains the development of inkjet printing technology, because not only determines the ink jet image quality, but also determines the shape of drops and printing system reliability. Inkjet ink is generally from the colors, link material and additives. Printing ink material may be water, oily substances, solvents, resins, etc., which determines the dynamic properties of the ink distribution; in the inkjet ink, the link to feed 40% -90%. Pigment in the ink color in the main role plays, usually 1% -10%. The rest are called additive, mainly used to improve the ink's viscosity, adhesion strength, thermal stability, light resistance and surface tension.
Overall, the inkjet printing process used in more types of ink, classification more. It is generally shown from the ink to classify the different aspects of nature, is generally based on different binders to ink into water-based ink, oil-based ink, solvent-based inks and heatset ink.
1. Water-based ink Commonly used in perforated and non-coated printing materials such as cardboard and paper, often used Direct mail Products, printing and other commercial printing market, the most commonly used. Can be classified as pigment and dye based, pigment because they do not dissolve in water, will precipitate, it should be worn very small pigment particles, as small as 30 m to below will have a better print results, or when using high-resolution easily cause obstruction. Paint their weather resistance, lightfastness, washing fastness, abrasion fastness are very good. The advantage is that the solubility of dye without problems and so many types of color, brightness and good, but poor color fastness.
2. Oil-based ink The most suitable material in the hole on the print, as it is to be dry by absorbing their recipe vegetable oil or mineral oil, its board Package Particularly in the field of application; not suitable for use in a confined office space, as it will cause pollution.
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