| 摘要 |
FIELD: medicine, pharmaceutics.SUBSTANCE: invention refers to chemical-pharmaceutical industry, particularly to a plastic film for medical containers, having the oxygen absorption function, comprising at least four layers. The film is prepared by co-extrusion. Also, the invention refers to an infusion package made of the above film. The film includes: a first layer (1) consisting of polyamide, a second layer (2) of blend composition, which is adjacent to the first layer and comprises an ethylene - vinyl alcohol copolymer, and an a-olefin - unsaturated carboxylic acid anhydride or unsaturated dicarboxylic acid monomer copolymer as a main ingredient, and a transition metal salt and a polymer containing an unsaturated double bond, as additives, and a third layer (3) which is adjacent to the second layer and comprises an ?-olefin - unsaturated carboxylic acid monomer - unsaturated dicarboxylic acid anhydride copolymer as a main ingredient, and a sealing layer (4) comprising polyethylene as the main ingredient.EFFECT: preparing the plastic film for medical containers having the oxygen absorption function, comprising at least four layers.15 cl, 1 ex, 1 tbl |
