materials | Barrier film Robust demand
Demand for high barrier food packaging films looks set for robust growth, according to Applied Market Information. Global demand for food packaging films reached nearly 17 million
tonnes in 2015, of which 1.4m tonnes incorporated a high barrier – de- fined as a film with an oxygen permeability of less than 10cc. Although high barrier films represent only 8% of the total flexible food packaging market, the share in value terms is much higher, says AMI in the report, High Barrier Flexible Films for Food Packaging. Meat and fish packaging accounts for almost one-third of demand, and is the largest end use application, while other end use applications each account for around 10% each. On a regional basis, these figures differ dramatically – emphasising the social and economic tendencies of individual regions.
Source: Applied Market Information Ltd., 2016
wide Metacoat top-coating and metallising process, allowing it to help converters make their next-genera- tion laminates with Duramet.
Metallocene benefits Total showcased its Lumicene polyethylene resins at K2016 – showing off its benefits for flexible barrier packaging and stand-up pouches. In collaboration with Hosokawa Alpine, Coveris and
Hayssen Flexible Systems, it demonstrated an 11-layer high performance barrier packaging solution using Lumicene to produce a tough film that was ideal for food preservation applications. The Lumicene range – which includes both low and
medium-to-high density metallocene PE – played a key role in providing the best product for each part of the 11-layer barrier film – with properties including water vapour barrier, superior optics and fast sealing.
Growth barrier Nippon Gohsei has reported two ongoing developments in using its high barrier Soarnol EVOH film in agricul- tural applications: a project to recycle PE/EVOH/PE film scraps into stretch wrap film; and a biodegradable and compostable high barrier fumigation film, which is still being developed.
Soarnol film is typically used for applications such as
Top coating Celplast Metallized Products has developed a top- coated metallised PET film that it says will compete with higher cost products. The company says that its Duramet film has been used in three-layer structures (PET/Duramet/CPP), which achieve similar barrier results to traditional four layer structures (PET/foil/nylon/CPP). “It brings a lower cost, lower carbon footprint
alternative to foil in the high barrier flexible packaging market,” said the company. A three-layer PET/Duramet/LDPE adhesive laminate
is also comparable to a four-layer PET/foil/PET/LDPE structure, it said. “These results have been proven on different lamina-
tors with several commercially available adhesive systems,” said Celplast. Duramet meets FDA food contact requirements for use with all food types under Condition of Use E, as well as relevant Swiss and European regulations. Celplast is in the process of commissioning a 2.45m
46 FILM & SHEET EXTRUSION | May 2017
round bale wrapping, soil fumigation and in bunker silos, thanks to its high barrier properties. It recently developed a seven-layer high barrier blown film that incorporates around 10% regrind – yet had a high enough gas barrier for these types of applications. The company has also developed a fully compostable high barrier fumigation film. The five-layer film is based on its Nichigo G-Polymer, and also incorporates Bionolle and tie layers. In tests, the film showed no emissions of fumigant – and no degradation – after 30 days. “We expect to see future application of this in
agricultural fields,” said Domenico De Angelis, associate marketing director and technical manager at Nippon Gohsei Europe.
Click on the links for more information: ❙
www.aimplas.es ❙
www.ptiextruders.com ❙
www.containerscience.com ❙
www.plastictechnologies.com ❙
www.ivv.fraunhofer.de/en ❙
www.novachemicals.com ❙
www.celplast.com ❙
www.total.com ❙
www.nippon-gohsei.com ❙
www.amiplastics.com
www.filmandsheet.com
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