Packaging Solutions
Bobst and its partners have announced a key milestone in their work to replace non recyclable high barrier multi-material packaging structures with mono material alternatives designed for recycling.
The launch of a new generation of Bobst ‘hero samples’ represents a significant achievement in the mission to deliver solutions utilising a new generation of polymers.
After several different samples of mono material stand up pouches (MDO PE, BOPE, BOPP and CPP) were launched at K 2019, the partners involved have continued their investment and research to progress the samples even further, to ensure all industry requirements are met in terms of processability, barrier, safety and optical quality.
‘Finding sustainable alternatives to non recyclable plastics is one of the most important challenges of our times,’ said Nick Copeland, research and development director at Bobst. ‘It is a particular challenge for flexible packaging such as that used for food packaging, where the high barrier protection against oxygen and water that prevents deterioration is currently provided by multi-layer, multi-material packaging, which cannot be recycled. This next generation of high barrier mono material structures brings us one step closer to being able to provide completely recyclable solutions to replace non recyclable packaging.’
The ‘Generation 2.0’ samples include:
New ultra high and high barrier full polypropylene laminated pouches, printed in gravure and recyclable, with the option of an AluBond metallised barrier or transparent AlOx (aluminum oxide) barrier layer and solvent free barrier adhesive and/or topcoat.
The first ever UV flexo combined with digital inkjet printing on full polypropylene laminated bags with AluBond metallisation and barrier performances, using a solventless adhesive again for a mono material pouch designed for recycling.
UV low migration flexo printing on full low density polyethylene laminated pouches providing barrier with AluBond metallisation.
CI flexo water based printing on full MDO-PE laminated pouches with AluBond metallisation, providing ultra high barrier using a high barrier solventless adhesive.
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