Developed projects

COAT4PACK

Development of oxygen barrier coatings to lighten structures in flexible food packaging

PackagingSustainable materialsCircular economyFood safetyExtrusionPrintingSpanish

Objectives:

To extend the life of the packaged product and develop more sustainable packages, through oxygen barrier solutions by replacing EVOH with multilayer structures.

Description:

EVOH has a high oxygen barrier in of low-humidity conditions, since it is a very sensitive material to humidity. In high humidity conditions (>80 %), permeability values become intermediate, thus limiting the implementation of EVOH as a barrier material in food, which requires, in order to be conserved, very humid environments. Coat4Pack develops coatings based on hybrid PVOH polymers with metal oxides and primer solutions/PVOH having less sensitivity to humidity. OTR values lower than 1 cc/m2/24h in low and high humidity conditions. The new solution is fit for food contact, to be applied in the printing and lamination process of flexible structures, thus avoiding the coextruded structures’ manufacturing process.

Project partners:

INDUSTRIAS TÉCNICAS DEL CABLE | AIMPLAS | PLÁSTICOS ROMERO | ARTIBAL

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Jesús Latorre

Director of Projects