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Ixan® PVDC extrusion grades provide long-lasting protection for advanced packaging and medical film solutions, maximizing customer satisfaction with minimum risk. Barrier film packaging solutions, for both vacuum or MAP technology, are a reliable choice for achieving long shelf-life for packaging of fresh meats, processed meats, fresh/frozen fish, poultry and cheese, along with excellent pack appearance.
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PerformanceApplicationsProductsProcessing
A Special Combination of Properties Delivers Unique Capabilities
Barrier films made with Ixan® extrusion resins are unique in their combination of properties which include transparency, high shrinkage, excellent water vapor and oxygen barrier, flavor and aroma barrier, microwavebility, good mechanical resistance and toughness.
In medical applications such as ostomy bags, this allows patients to lead an active life in the sure knowledge that there will be no leakage.
Multi-layer films using Ixan® PVDC-copolymers are manufactured using both cast and blown film process technology. The versatile property profile of Ixan® PVDC grades offers the possibility to satisfy complex packaging requirements by simplifying film structures to only 3-5 layers.
Meat Packaging
For both modified atmosphere packaging (MAP) and vacuum packaging, there is a common need for very high barrier materials that can prevent contact with outside air and invasive bacteria, reduce internal water loss, and improve health and meat safety. Ixan® PVDC high-barrier packaging materials meet these requirements.
Meat packaging Ixan® PVDC resins and ready-to-use premixes can be extruded and coextruded to films (heat shrinkable or not), and to thermoformable sheets. Cheese Packaging
Ixan® and Diofan® PVDC-containing multilayer films take full advantage of these materials' exceptional barrier properties to prevent the ingress of undesired oxygen while providing ideal ripening conditions and full flavor formation that can be perfectly aligned according to the type of cheese. Sausage Packaging
Extruded mono film with Ixan® PVDC and Diofan®-coated substrates can both be used in sausage casings to provide excellent shelf-life and low weight losses during storage and distribution. This is due to their excellent and reliable gas and water vapor barrier properties, even in humid conditions. Other advantages include controlled shrink, resistance against heat and high mechanical stress, and suitability for pasteurization. Wrap Films
Ixan PVDC can be combined with plasticised or semi-rigid PVC, whether medium or high molecular weight, in the manufacture of cling film for wrapping food products. Such films offer low permeability to steam and oxygen to keep foods such as meat and cheese fresh, along with high clarity, good puncture resistance, elasticity and recovery. This type of film is made at very high speed in extrusion processes.
Thin, clingy plastic films made of PVDC are known for providing superior barrier properties versus all other food wrapping solutions, including protection from aroma losses and off-flavor transfer. These PVDC films are the benchmark for food protection in food wrapping. Stoma Care
Ixan® PVDC resins are used for making barrier films that allow the production of reliable, safe ostomy pouching systems. These bags are highly sophisticated, and consist of medical grade plastic films which must meet several criteria: impermeability, mechanical strength, seam strength, gas/odor barrier, protection and flexibility. In addition, they must not irritate the skin and must make the least possible noise so as not to draw attention to the wearer.
Ixan® Extrusion Resins
Ixan PV 910 is a PVDC-preblend (2% ESO) for extrusion and coextrusion of films (heat shrinkable or not), and of thermoformable sheets. It is recommended for applications that require very good barrier.
Ixan PVS 815 is a PVDC-based premix for meat packaging and other applications. It can be extruded and coextruded to films (heat shrinkable or not), and to thermoformable sheets. It is recommended for applications that require very good barrier.
Film Extrusion
Ixan® grades can be processed by extrusion or coextrusion equipments using dedicated machine designs for the converting of PVDC. Construction materials for the machines must have high corrosion resistance such as X-Alloy, Colmonoy, Hastelloy or Duranickel.
Available extrusion and multi layer coextrusion process technologies include cast films and blown films.
Shown here is the “double bubble” process for biaxial orientation.
Ixan® Ready-to-Use Premixes
Solvay Specialty Polymers also offers ready-to-use premixes.
Premixing: Extrusion grades must be blended with additives such as processing aids, heat stabilizers, plasticizers, and/or pigments.
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