| 摘要 |
The invention is concerned with a method of preparing a biologically degradable film, which film consists of synthetic polymer and biologically degradable polymer. In the method plant material with a high oil content is grinded and dried and pulverized. The final film is prepared in a film extruder in which the powder obtained is mixed with possible other additives to be used in the film and with synthetic polymer. The invention is concerned with also a biologically degradable film. |
