New barrier coatings from Actega

Actega has introduced a new range of water-based barrier coatings under its ActGreen brand name that should offer a more sustainable alternative to using plastic polyethylene (PE) laminates in packaging. 

Actega’s ActGreen range of barrier coatings is a sustainable alternative to PE laminates.

Actega makes specialty coatings, inks, adhesives and sealing compounds that are mainly used in printing and packaging. Its ActGreen brand is for products that have been sustainabily formulated and will allow for more sustainable production. These products are grouped into three main families. Sustainable coatings consists mainly of overprint varnishes for use on folding cartons, publications and commercial prints. Then there are Sustainable Compounds, which are PVC-free and plasticizer-free sealing compounds for food packaging. 

This latest addition, Barrier Coating includes both water-based barrier coatings and water-based thermoplastic or TPE dispersions. The barrier coatings can be used with sheet-fed offset, flexo and gravure printing with different products for packaging, printing and paper industries. They can protect against water, water vapor, oil or fat, with additional properties such as protection against alcohol, alkaline and acidic liquids as well as dairy products.

The aqueous TPE dispersions all use Actega’s Yunico technology, which was introduced last year and makes it possible to combine different characteristics in one single dispersion. That could mean combining heat sealability with tactile effects for applications such as takeaway coffee cups. Depending on how the TPE components are mixed, Actega is able to adjust variable properties and create tailored solutions which are unique to each client’s needs.

This adds up to a wide range of coating solutions for packaging materials and different substrates, including paper, cardboard, aluminium and plastic. These dispersions can also be used as binding systems in paper production. They are free of emulsifiers and solvents and meet all requirements for with direct food contact complete with the relevant FDA/EU approvals. 

The major advantage of the ActGreen Barrier Coatings range is that it offers an alternative to using PE laminates and therefore saves costs in the recycling needed to separate the plastic from the cardboard substrate. And of course it lets brands market their packaging as being sustainable, which is becoming increasingly important to many consumers. 

Markus Locher, Global Barrier Manager at Actega Paper and Board, commented: “We’ve worked extremely hard to ensure that our ActGreen Barrier Coatings provide a robust and viable alternative to non-recyclable PE linings that will allow packaging manufacturers to not only respond to the increasing pressures that they’re feeling from brand owners regarding environmental issues, but to optimise their own operations and production processes too. The unavoidable need to shift away from plastics and find workable, profitable and environmentally sound alternatives is undoubtedly one of the greatest challenges facing the packaging industry today, and we are proud to be taking firm steps in the right direction with this latest offering.”

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