초록 ▼

The present invention relates to a biodegradable material in the form of a foil or a film, where the material comprises a polymer comprising at least one porous metal-organic framework and the at least one porous metal-organic framework comprises at least one at least bidentate organic compound coor

The present invention relates to a biodegradable material in the form of a foil or a film, where the material comprises a polymer comprising at least one porous metal-organic framework and the at least one porous metal-organic framework comprises at least one at least bidentate organic compound coordinated to at least one metal ion. The invention further relates to food packaging comprising such a material and also its use for the packaging of foods and the use of a porous metal-organic framework for the absorption of ethene in food packaging.

대표청구항 ▼

1. A biodegradable material in the form of a foil or a film, where the material comprises a polymer comprising at least one porous metal-organic framework and the at least one porous metal-organic framework comprises at least one at least bidentate organic compound coordinated to at least one metal

1. A biodegradable material in the form of a foil or a film, where the material comprises a polymer comprising at least one porous metal-organic framework and the at least one porous metal-organic framework comprises at least one at least bidentate organic compound coordinated to at least one metal ion. 2. The material according to claim 1 which is present in the form of a foil. 3. The material according to claim 2, wherein the foil has a thickness of less than 100 μm. 4. The material according to claim 1, wherein the polymer comprises a polyester based on aliphatic and aromatic dicarboxylic acids and aliphatic dihydroxy compounds. 5. The material according to claim 4, wherein the at least one metal ion is comprises an ion selected from the group of metals consisting of Mg, Ca and Al. 6. The material according to claim 1, wherein the at least one at least bidentate organic compound comprises a compound derived from formic acid, acetic acid or an aliphatic dicarboxylic or polycarboxylic acid. 7. The material according to claim 1, wherein the at least one metal-organic framework is present in a proportion of from 0.01% by weight to 10% by weight based on the total weight of the polymer. 8. A food packaging comprising a material according to claim 1. 9. A method of packaging a food comprising using packaging a food in the presence of the material according to claim 1. 10. A method for the absorption of ethene in food packaging comprising providing a porous metal-organic framework in food packaging. 11. The material according to claim 1, wherein the polymer comprises a polyester based on aliphatic and aromatic dicarboxylic acids and aliphatic dihydroxy compounds; the at least one metal ion comprises an ion selected from the group of metals consisting of Mg, Ca and Al; and the at least one at least bidentate organic compound comprises a compound derived from formic acid, acetic acid or an aliphatic dicarboxylic or polycarboxylic acid. 12. The material according to claim 11, wherein the at least one metal-organic framework is present in a proportion of from 0.01% by weight to 10% by weight based on the total weight of the polymer. 13. A food packaging comprising a material according to claim 11. 14. A food packaging comprising a material according to claim 12. 15. A method of packaging a food comprising packaging a food in the presence of the material according to claim 11. 16. A method of packaging a food comprising packaging a food in the presence of the material according to claim 12. 17. The method of claim 10, wherein the porous metal-organic framework comprises: at least one metal ion selected from the group of metals consisting of Mg, Ca and Al; and at least one at least bidentate organic compound derived from formic acid, acetic acid or an aliphatic dicarboxylic or polycarboxylic acid.