| 摘要 |
<p>A film-type freshness preservative is provided to extend freshness of food for a long time by forming an antimicrobial layer between packing film layers and improving the antimicrobial property of the antimicrobial layer. An antimicrobial film for packing has an antimicrobial layer(3) formed between PP(Polypropylene) film layers(2) composed of a PP film(21) with the thickness of 40 micrometers and a PP film(22) with the thickness of 20 micrometers. The antimicrobial layer is formed by applying the mixture on the upper side of the PP film in the thickness of 40 micrometers. The mixture is produced by adding natural antimicrobial material of 10~50wt.% to diluted adhesive of 50~90wt.% made by mixing ethanol of 75~85vol.% and adhesive material of 15~25vol.%.</p> |
