Packaging material and packages produced from the material for light-sensitive products

   
   

The present invention provides a packaging material of single multi-layer type including at least one layer of plastic having improved light barrier properties, and which layer of plastic includes particles of carbon black and wherein the plastic layer containing the carbon black further includes mineral particles substantially uniformly distributed within the plastic material of that layer in a quantity between about 3% and 80% of the total weight of the layer. The packaging materials have superior light barrier properties over similar materials in the art, and can be used to enhance the packaging and storage of light-sensitive food products.

A invenção atual fornece um material empacotando do único tipo multi-layer including ao menos uma camada de plástico que melhora propriedades claras da barreira, e que a camada de plástico inclui partículas do preto de carbono e wherein a camada plástica que contem o preto de carbono inclui mais mais as partículas minerais distribuídas substancialmente uniformemente dentro do material plástico dessa camada em uma quantidade entre aproximadamente 3% e 80% do peso total da camada. Os materiais empacotando têm materiais similares do excesso claro superior das propriedades da barreira na arte, e podem ser usados realçar empacotar e o armazenamento de produtos de alimento light-sensitive.

 
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