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Cork Tech Talk Blog

Flexo style chambered doctor blade metering coaters have become the dominant coater type used on sheet fed offset presses. They have proved capable of producing high levels of precise, repeatable application of clear coatings, and other fluid products.

Integral to this success has been the development of the laser engraved ceramic anilox roll, which is durable and does not wear over time. This means that the cells engraved into the ceramic to carry a pre-determined volume of liquid are consistently the same.

Read more: Coatings & Anilox Transfer Efficiency To The Substrate

A number of news outlets have recently reported, referred to, and quoted the findings of a study conducted in 2014-15 by Silent Spring Institute. The study was published in the journal, “Environmental Science & Technology Letters.” It reported on the finding of chemical substances (fluorinated compounds), that have been linked with health problems and cancer, in some fast food packaging.

Read more: Media Reports Fluorinated Compounds in U.S. Fast Food Packaging

Soft Touch coatings are able to provide products with a unique soft, warmer, more comfortable, luxurious, feel that humans intrinsically desire. The tactile, haptic effect provided is able to enhance the sensory perceptions of the consumer. Soft Touch coatings unquestionably add value to products as they impart appealing visual and tactile properties, setting products apart in the marketplace.

It’s been long known that humans have an affinity for soft things. Because of this there is an ongoing global marketing trend to offer Soft Touch coatings to satisfy consumers and alter buying trends. Soft Touch coatings are being applied across a wide range of consumer product applications including automotive interiors, appliances, and consumer electronics, packaging, and labeling products. The result is the creation of a soft feel on ordinary paper, plastic, and metal substrates that is appealing to consumers, and adding value.

Read more: Soft Touch Coatings Raise the Bar

Specialty UV coatings give printers and brand managers alike the opportunity to create a product marketing advantage. Today, UV coatings that provide a smooth matte finish on a printed substrate are available from Cork Industries to create both whiteboard & chalkboard surfaces on a variety of common printable and coat-able substrates. Everyone should be familiar with dry erase white board and chalk “black” board writing surfaces. Think school, but what about other new creative applications for these UV coatings?

Read more: Dry Erase Whiteboard & Chalkboard UV Coatings

Why use Aqueaous Coatings in Lithography? Productivity!

When a sheetfed offset lithographer is asked, “Why do you use overprint varnishes?” The stock answer is that conventional oleoresinous overprint press varnishes are used to protect conventional litho inks. An expanded answer adds that rub and scuff resistance can be improved and the finish can range from gloss to matte, etc.

Somewhat the same answer is given by many when they are asked, “why are aqueous coatings used”? However, the really knowledgeable aqueous coating user answers that, productivity is the main reason to use aqueous solutions!

Read more: Aqueous Coatings Boost Litho Productivity

The creative use of decorative specialty UV printed coatings is opening the eyes of brand managers and impulse buyers alike. These attention demanding special effects UV coatings are proving to be capable of differentiating products and increasing impulse sales for retailers.

What are the forces that stimulate us as we shop? Why is it that more often than not we leave a store with more than we set out to buy? Most of our high frequency shopping is done at the supermarket where supplies of daily used consumables are replenished. We typically go to the store with either a fixed mental or written shopping list. Most of us find that any shopping list that we started out with is expanded quickly as we react to various stimuli as we traverse stores aisles and indulge in impulse buying.

Read more: UV Coatings Change Impulse Buying Dynamic

Since March 2008, Ultraviolet (UV) and Electron Beam (EB) ink, coating and adhesive formulations have been used in direct contact with food products. The change came about due to the efforts of the RadTech Food Packaging Alliance which was able to obtain FDA clearance for a number of UV/EB raw materials. This important FDA position allowed printers and converters to print, coat, and use adhesives on substrates where there is anticipated to be direct contact with some foods.

Read more: UV/EB FDA Clearance For Direct Food Contact
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About the Author

Elmer W. Griese Jr, having accumulated 35+ years of knowledge working in the coatings and printing ink industries has now authored the Cork Tech Talk News, newsletter since 1992 producing 112 issues. He remains dedicated to educating and illuminating technological progress that offers the potential to advance coating technology and its applications.

Green20 High Gloss

Cork Cast & Cure® Finishes

Dry Erase & Chalkboard UV Caotings

Multiwall Bag High Gloss

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