| 20100229462 | Degradable and Compostable Plastic Films for Agriculture - A method is taught for increase crop yield and weight per acre comprising the steps of providing a degradable mulch film, then laying the degradable mulch film over a cleared field, and covering a portion of the degradable mulch film with soil. The mulch film is made up a below ground degradable film (B) an above ground degradable film (A), film B is co-extruded with film A and another film B to have a BAB structure where the films B and film A have a single layer feel. Film B is a plastic resin treated with an acid and having an additive that supplies a source of oxygen, and a metal stearate. Film A is a plastic resin an additive for aiding decomposition and an additive to retard decomposition. | 09-16-2010 |
