The latest packages' generations are produced  more often with biodegradable biopolymers (4). This type of packages are used to improve functionality and harmony to EU Regulations (2,3). Available on the Polish market and mostly applied cellulose packages, coated with aluminium foil are the only  proposition for high fat content products producers'. Costs of this kind of packages increase by 50% (1).

The main objective of the project is to develop a technology for the production of individual carton by using  polymeric materials as biodegradable barrier resistance to water-vapour, water and fat, based on an innovative production process with the guarantee of microbiological purity, neutral in terms of the migration of organic chamicals.

As a result of the research is to develop a biodegradable polymer composition, which is an alternetive to the cartons coated polyethylene for application to greasy and moist foods.

Microscopic photos of carton's unit coated with biopolymeric layer are present below.

Fig. 1. Monolayer of biopolymer - composition 3W

Fig. 2. Monolayer of biopolymet - composition 1B

Monlayer were not sufficient barrier to fats, bilayer substantially reduced barrier properties of carton against water-vapour and reduced absorption of soil. Strengh has also been improved for cardboard bending with unchanging resistance to breaking.

This work "Production unit carton with the use of polymeric materials as biodegradable barrier layers with increased resistence to water-vapour, water and fat, based on an innovate production process" is co-finansed by the European Regional Development Found (POIG.01.04.00-14-084/09-00).

1. Pająk P., Fortuna T., Przetaczek-Różnowska P., Opakowania jadalne na bazie białek i polisacharydów - charakterystyka i zastosowania, Food, Science, Technol. Quality, 2013, 2(87) 5-18;

2. Regulation (EC) No 1935/2004 of the European Parliament and of the Council of Europe 

3. Regulation (EC) No 282/2008 of the European Parliament and of the Council of Europe

4. Shin Y.J., Sung-Ae J., Song K.B., Preparation and mechanical properties of rice bran protein composite films containing gelatin or red algae. Food Sci. Biotechnol., 2011, 20 (3), 703-707

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