Novel Bio-Based Coating for Barrier Papers, 18PaperCon

This paper will describe the development of a novel biodegradable, bio‐based coating additive that shows promise in barrier paper applications such as water resistant packaging, oil and grease resistant paper and paperboard, and specialty papers. The coating technology is particularly well suited to displace plastic and plastic extruded papers, improving end‐of‐life options for these products, such as reuse, recycling and composting. The coating additive is approved for use in food contact applications and is compatible with materials that impart good oil and grease penetration resistance to paper without having to relying on fluorinated compounds or extruded thermoplastics. Compost testing of paper coated with this technology shows complete degradation under ambient composting conditions.  

A series of base papers with a range of surface properties, modified by the application of cellulose nanofibers, were coated with novel biodegradable, fluorine‐free coating formulations.  A discussion of the resulting barrier properties and the potential impact on the future design of barrier papers follow.  

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