Sun Chemical and HP Indigo develop recyclable pouch

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Sun Chemical has partnered with HP to launch durable flexible packaging produced with HP’s Indigo digital press and Sun Chemical’s new SunLam solvent-free lamination solution.

SunLam is claimed to contain fast-curing, “ultra-low” and solvent-free monomer properties.

As part of this partnership, Sun Chemical and HP developed block bottom pouches printed on HP’s Indigo 25K digital press using single-material polyethylene (PE) and polypropylene (PP) substrates and laminated with the solution. SunLam from Sun Chemical. The pouch made entirely of PP has been certified by the German institute Cyclos-HTP after being tested for a recyclability rate of 96%.

The PE and PP laminated structures were produced with HP Indigo using SunLam ZA-1000 + ZB-301 adhesives on standard mono materials with lamination on the Nordmeccanica Super Simplex E-800 solventless laminator.

Pierangelo Brambilla, Product Manager, Global Laminating Adhesives and Cold-Seals Sun Chemical, explained, “The close collaboration between Sun Chemical and HP Indigo helps develop faster routes to market for flexible packaging. By combining HP Indigo digital printing with the fast-drying capabilities of Sun Chemical’s ultra-low monomer adhesive, without compromising overall packaging quality, a new solution is now available to enable printers and brands to comply with the most stringent food safety regulations.

“These are just two great examples of how mono-material PE and mono-material PP have been used to show how the proper selection of adhesives and lamination coatings demonstrates the rapid value proposition to market digitally printed pouches while providing more sustainable packaging and consumer choice.

Itai Shifriss, HP Indigo WW Supplies Commercial Director, said, “HP Indigo has worked with Sun Chemical for many years to provide innovative solutions to HP Indigo customers. Today, the demand for sustainable packaging solutions is driving converters towards digital printing which can reduce the impact of printing with on-demand production while eliminating plates and cylinders.

“By working together to provide end-to-end solutions to HP Indigo customers, we are helping converters and brands expand their digital printing capabilities.”

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