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US 12,757,840 B2Granted
Films for agricultural structures
AssigneePlastika Kritis S.A.
InventorsMelani A. Frysali, Krystalenia Androulaki
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Abstract
A film for covering agricultural structures, including: a) a polymeric film having one or more layers, wherein at least one of the layers includes one or more UV stabilisers; and b) a coating on at least one outer surface of the polymeric film, the coating including at least one layer containing a polymer, such that the film has an oxygen permeability below 500 ml/m2/bar/day at 23° C. and 0% relative humidity, as measured according to EN ISO 15105-2.
Claims28
A film for covering agricultural structures, comprising:
- a) a polymeric film having one or more layers, wherein at least one of the layers comprises one or more UV stabilisers, and
- b) a coating on at least one outer surface of the polymeric film, the coating comprising at least one layer comprising a polymer, such that the film has an oxygen permeability below 500 ml/m2/bar/day at 23° C. and 0% relative humidity, as measured according to EN ISO 15105-2,
- wherein each layer of the coating is formed by depositing a solution to form a layer and drying the layer.
A method of producing a film for covering agricultural structures, comprising:
- i) providing a polymeric film comprising one or more layers, wherein at least one of the layers comprises one or more UV stabilisers;
- and
- ii) depositing a coating on at least one outer surface of the polymeric film, the coating comprising at least one layer comprising a polymer, such that the film has an oxygen permeability below 500 ml/m2/bar/day at 23° C. and 0% relative humidity, as measured according to EN ISO 15105-2,
- wherein each layer of the coating is formed by depositing a solution to form a layer and drying the layer.
1 more element
Dependencies are inferred from the claim text.