Making synthetic materials more impervious: fewer plastic substances in food

Saturday, January 10, 2015 - 00:00 in Earth & Climate

Synthetic materials are convenient in many respects, but they have one disadvantage: they are permeable to gases. In order to make plastic more impervious, engineers apply wafer-thin layers on surfaces. This would not only increase the shelf life of food in plastic packaging, but would also prevent the migration of substances from the plastic into the food.

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