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The vinyl polymer polyvinylidene chloride (PVDC) is a favourite raw material for food packaging. Fresh meat packing has long employed PVDC as a barrier, but growing environmental concerns are pushing manufacturers and retailers to reconsider this practise and find workable substitutes.
Water-based Poly-Vinylidene Chloride coatings are frequently used to increase barriers and decrease permeability.
Plastic is preferred by the packaging industry because it preserves food quality, extends shelf life, and produces packaging with a beautiful high-gloss finish. PVDC is a thermoplastic that is transparent, flexible, and simple to extrude.
Pharmaceutical packaging frequently makes use of this material since it adheres effectively and resists oils and other substances.
Laminating is simple. and it can be blended with less expensive monomers if you require a more cost-effective choice.
One of these, more frequently referred to as Saran wrap, is made up of 85% vinylidene chloride and 15% vinyl chloride. PVDC is more than just a wall.
It offers anti-static defence and can be heat sealed on both sides. It can be used as box overwrap, to make fill seals, ready-made bags, and for lamination because it is available in an anti-mist grade.
Unlike plastic, it decomposes at a very high melting temperature and is nearly colourless. It performs effectively as a barrier layer against acids, alcohols, and alkalis, which makes it perfect for use in medical films.
PVDC can be combined with methyl acrylate and other monomers to increase its resistance to organic solvents, making it the perfect material to provide fibres a higher level of acid and alkali resistance up to 100 °C.
When applied in this manner, PVDC functions as a weatherproof covering with polymer-like thermal stability. As a whole, PVDC is a surprisingly adaptable copolymer that can lower plastic usage in a variety of sectors.
The Global PVDC food packaging market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
To meet the rising demand for resealable food packaging, FLEXcon has launched a new PVDC-coated film called optiFLEX RESEAL BARRIER Clear.
The new coating will protect food from moisture to extend shelf life while preserving freshness.
The product, which is especially made for resealable packaging, will either keep moisture in to prevent staling of nuts and other snack foods or keep moisture out to prevent drying of fruit, meats, cheeses, and wet wipes.
The 2mm clear PVDC-coated flexible BOPP film used in the optiFLEX RESEAL BARRIER Clear has a resealable adhesive and a TRACrite 120 polyester release liner, which is claimed to provide on-press performance for tight-registration graphics.
The glue complies with 21 CFR 175.105 for indirect food contact, while the film complies with 21 CFR 175.320 and 177.1520 for direct food contact. It is appropriate for keeping printed flexible packaging material’s “no-label” appearance.
