| 摘要 |
Disclosed therein is a method of producing a hot melt film through the steps of collecting TPU film scraps, which are generated in large quantity when airbags for absorbing shock of shoes are manufactured, and mixing the collected film scraps with other composites to have the target properties of hot melt films, and particularly, a method of producing a hot melt film of a multi-layer structure by means of the co-extrusion method. |
