July 20, 2011

Ashland Inc. introduces new synthetic cold-seal adhesive for flexographic printing

BARCELONA, Spain – Traditional cold-seal adhesives for food packaging are applied by patterned gravure. This means for every change in impression length or configuration, a new gravure cylinder must be re-etched. To help eliminate the excess time and cost involved in this process, Ashland Performance Materials, a commercial unit of Ashland Inc. (NYSE: ASH), developed a novel synthetic cold-seal adhesive for the European food packaging industry.

Ashland’s Pureseal™ 23322E water-based, cold-seal adhesive can be applied via the flexographic printing process, which means that the cost-intensive etching and re-etching of cylinders can be avoided entirely by using a photopolymer plate. This is of particular importance for shorter, specialized runs in the confectionery bar market.

“A key benefit of this technology is that it provides manufacturers with the opportunity to produce cold-seal flexible packaging on existing narrow-web press equipment,” said Stuart May, director of sales, Ashland Performance Materials, Europe, Middle East and Africa. “As with any water-based product, the cold-seal adhesive must be dried before rewinding.”

Ashland’s Pureseal 23322E cold-seal adhesive can be applied as an overall coat or pattern. It seals packages comprised of biaxially oriented polypropylene (OPP), white OPP, metalized OPP, polyester and other substrates suitable for food packaging. It releases from release-treated films or release lacquer-coated substrates and complies with the relevant U.S. Food and Drug Administration regulations for food packaging.

Ashland’s Pureseal 23322E adhesive is also a specially formulated synthetic-based cohesive with no natural rubber components, making the product an ideal choice for medical and protective packaging.

Ashland’s UV and water-based adhesives and coatings are used in multiple industries and applications including food packaging, labels and tags, commercial printing, protective packaging and graphic arts.

To learn more about Ashland’s innovative varnishes, adhesives and coatings product lines, please contact a sales associate at PMeuropesales@ashland.com or visit our website at www.ashland.com.

Ashland Performance Materials is the global leader in unsaturated polyester resins and epoxy vinyl ester resins. In addition, it provides customers with leading technologies in gelcoats, pressure-sensitive and structural adhesives.

In more than 100 countries, the people of Ashland Inc. (NYSE: ASH) provide the specialty chemicals, technologies and insights to help customers create new and improved products for today and sustainable solutions for tomorrow. Our chemistry is at work every day in a wide variety of markets and applications, including architectural coatings, automotive, construction, energy, personal care, pharmaceutical, tissue and towel, and water treatment. Visit www.ashland.com to see the innovations we offer through our four commercial units – Ashland Aqualon Functional Ingredients, Ashland Hercules Water Technologies, Ashland Performance Materials and Ashland Consumer Markets (Valvoline).




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