Decomposable polyolefin agricultural mulch专利检索-杀线虫剂农药农作物保护农用化学品和农药专利检索查询-专利查询网

Decomposable polyolefin agricultural mulch

阅读：296发布：2022-04-18

专利汇可以提供Decomposable polyolefin agricultural mulch专利检索，专利查询，专利分析的服务。并且The decomposition rate of polyolefin film used as an agricultural mulch is controlled by the incorporation therein of 3 to 20 percent of a cation exchanged sulfonated petroleum coke or cation exchanged wet air oxidized petroleum coke. The film also contributes ion exchange capacity to the soil, furnishes nutrients and improves the tilth of the soil. Other additives such as nematocides or fungicides can be incorporated in the film mulch.，下面是Decomposable polyolefin agricultural mulch专利的具体信息内容。

权利要求

2. An agricultural mulch according to claim 1 having incorporated therein from about 3 to about 20 percent of said additive.

3. An agricultural mulch according to claim 1 wherein said cation or cations are selected from the group consisting of copper, iron, manganese, zinc, cobalt, and mixtures thereof.

4. An agricultural mulch according to claim 1 comprising a mixed polyolefin film of low density polyethylene and up to 40 percent polypropylene.

5. An agricultural mulch according to claim 1 wherein fertilizers, micronutrients, fungicides, and nematocides are incorporated in the film.

6. An agricultural mulch according to claim 1 wherein said film is black.

7. An agricultural mulch according to claim 1 consisting of 97 percent of low density polyethylene and 3 percent of petroleum coke sulfonate loaded with 0.08 percent copper, 1.47 percent manganese and 0.06 percent zinc.

8. An agricultural mulch according to claim 1 consisting of 97 percent low density polyethylene and 3 percent of petroleum coke sulfonate loaded with 1.5 percent copper.

9. An agricultural mulch according to claim 1 consisting essentially of 95 percent low density polyethylene and 5 percent of wet air oxidized petroleum coke loaded with 0.7 percent of copper.

10. An agricultural mulch according to claim 1 consisting essentially of 10 percent polypropylene, 87 percent low density polyethylene and 3 percent petroleum coke sulfonate loaded with 1.5 percent copper.

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