Ultra-fast marine-biodegradable composite film
AssigneeSingular Solutions Inc.
InventorsMirek Planeta, Alex Mann, Vladimir Climov
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Abstract
An ultra-fast marine-biodegradable composite film can include at least one water-soluble layer, and at least one marine-biodegradable layer disposed in contact with the at least one water-soluble layer. The composite film can include a plurality of the water-soluble layer, and a plurality of the marine-biodegradable layer interspaced between the marine-biodegradable layers. The composite film may be used for packaging, including food packaging. Methods of preparing an ultra-fast marine-biodegradable composite film are also disclosed.
Claims20
An ultra-fast marine-biodegradable composite film, comprising:
- at least one water-soluble layer;
- and
- at least one marine-biodegradable layer disposed in contact with the at least one water-soluble layer,
- wherein the at least one water-soluble layer and/or the at least one marine-biodegradable layer comprises a nanostarch compound, and
- wherein the at least one water-soluble layer comprises a water-soluble substance and a water-insoluble substance, and the water soluble substance is selected from thermoplastic starch (TPS), poly(vinyl alcohol) (PVOH), copolymers thereof, derivatives thereof, and mixtures thereof.
An ultra-fast marine-biodegradable composite film, comprising:
- at least one water-soluble layer;
- and
- at least one marine-biodegradable layer disposed in contact with the at least one water-soluble layer,
- wherein the at least one water-soluble layer and/or the at least one marine-biodegradable layer comprises a nanostarch compound, and
- wherein the at least one marine-biodegradable layer comprises a biodegradable substance selected from paper, cellulose, and cellophane, derivatives thereof, and mixtures thereof, and the biodegradable substance is in the shape of a sheet and is formed to be at least one of continuous, woven, spun-bonded and melt-bonded.
Dependencies are inferred from the claim text.