Multi-layer container

摘要

One embodiment of the present invention provides a partly-biodegradable system, which comprises a non-biodegradable portion and a biodegradable portion wherein the non-biodegradable portion is easily separated from the biodegradable portion for disposal of the system. In certain embodiments, the system further comprises a cover layer of non-biodegradable film which adheres to the first non-biodegradable portion to form a sealed compartment for food or drink reservation.

主权项

1. A container comprising:
a first portion having a substantially biodegradable starch matrix; and a second portion comprising a multi-layer non-biodegradable film adhering to the inner surface of the first portion, wherein the multi-layer non-biodegradable film comprises at least two layers and where at least one of the at least two layers is selected from the group consisting of polyethylene, polyethylene/vinyl acetate, amorphous polyethylene terephthalate, polyamide-6 (PA-6 or nylon 6), Surlyn (zinc and sodium ionomers) and polyester films; wherein the bond strength between the first portion and the second portion is from about 0.5 pounds per inch width to about 4.5 pounds per inch width.