Article

The UV report: Hybrid inks, a combination of UV and conventional ink, has become an increasingly popular product for the printing industry

October 2001

Authors:

The use of ultra voilet (UV) and electron beam (EB) inks to increase the productivity and to reduce the volatile organic compounds (VOC) was discussed. A printer can use hybrid ink on a conventional press using conventional/UV hybrid technology. The hybrid inks give printers the ability to wet wrap over lithographic inks to achieve a high gloss. In addition to wet wrapping, hybrids also allow the printers to save energy as they do not require lamps at every station.

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ResearchGate has not been able to resolve any references for this publication.

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Technological advancements in the field of laser-imaged anilox-engraving technology are explained. The technology has resulted in the availability of anilox rolls with very high line-screen cell counts with high productivity. Improvements in digital proofing devices have enabled printers and customers to be more confident of each proof sample they receive. The development of high-density inks has ... [Show full abstract] offered the printing industry with UV, solvent-based and water-based inks. Evolving technology has enabled the size of pigments of mixing inks to be as small as 0.04 microns.

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Various Australian printers are exploring the business prospects of waterless offset, an offset lithographic printing process, to reduce the drought on their business. Offset lithographic printing process eliminates the water or dampening system used in conventional printing process. Waterless offset uses a special silicone rubber coated printing plate, special ink, and a means of temperature ... [Show full abstract] control on the press. Waterless offset require suitable temperature range for transferring ink to substrate for optimal printing, eliminating the requirement of balance the relationship between ink, water, and alcohol in conventional offset presses. Waterless plates are capable of extremely high screen rulings, which help in applying more ink to the printed page without the problems of dot gain encountered with conventional wet offset. Printers expects that use of waterless offset will increase their productivity and profitability.

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J. Watkins

Sun Chemical has developed the patented WetFlex process for flexographic printing process, a technology that utilizes a low-odor, high-performance ink system manufactured with volatile organic compound (VOC). The ink system used in the WetFlex process is based on water-based and energy curable chemistry, and has the benefit of water-based technologies with the flexibility, printability, and press ... [Show full abstract] speed capabilities of solvent-based inks. The process can be installed on a new central impression (CI) press or retrofitted onto a printer's existing equipment. The cross linkage created when the ink system is dried using the electron beam offers a new level of resistance to various common chemicals and environmental agents. The inks used in the WetFlex process have been shown to contain no migratory components on tested structures such as lack of odor and off-taste.

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N. Dinkovski

The possibilities of expanding UV technology in the printing business, with the manufacturers and users showing faith in this technology are discussed. Many products are easier to manufacture using this method and it is found that UV can utilize a variety of special coatings with high-gloss effects. One area of market growth in recent years has been hybrid inks paving the way for some presses to ... [Show full abstract] use conventional rollers and blankets without the risk of swelling. It is believed that printers are able to provide more cost effective UV services as the market diversifies.

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VOC-compliant inks: What state are they in?

October 2001

R.M. Podhajny

With the improvement in the quality of flexo, the use of volatile organic compounds (VOC) is reduced in the ink technologies. The case for flexograhic quality is considered for the first time equal to that of lithography and rotogravure. The solvent-based ink still provides the best alternative in wide web applications where quality and high productivity are required. Flexo shows higher print ... [Show full abstract] quality characteristics with the use of ultraviolet (UV) technology in comparison with rotogravure and lithography. UV technology also favors the desire of lower VOC emissions.

The UV report: Hybrid inks, a combination of UV and conventional ink, has become an increasingly popular product for the printing industry

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