COATING LAYERS OF A NANOCOMPOSITE COMPRISING A NANO-CELLULOSE MATERIAL AND NANOPARTICLES
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Abstract
The invention provides articles and methods for making such articles including a substrate coated on at least one region thereof with a layer of nanocomposites nano-cellulose materials and nanoparticles.
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Citations
144 Claims
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1-124. -124. (canceled)
- 125. An article comprising a substrate coated on at least one region of the substrate surface with at least one layer of a nanocomposite comprising at least one nano-cellulose material and a plurality of nanoparticles, the interaction between the at least one surface region and the nano-cellulose material being electrostatic.
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141. A gas barrier layer comprising at least one layer of a nanocomposite of nano-cellulose material and a plurality of nanoparticles, wherein said nanocomposite is provided between two layers or sheets of a substrate material, said barrier being for suppressing or blocking permeation therethrough of moisture and gases selected from O2, CO2, CO, N2, NOx, SOx and H2.
- 142. A plastic sheet comprising PLA, said sheet having thereon a coating or layer of a nanocomposite comprising at least one nano-cellulose material and a plurality of nanoparticles.
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144. A process for forming an article comprising a substrate coated on at least one region of the substrate surface with at least one layer of a nanocomposite comprising at least one nano-cellulose material and a plurality of nanoparticles, the process comprising:
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obtaining a substrate having at least one positively charged surface region; applying on said positively charged surface region a coat of the nanocomposite; and allowing said layer of the nanocomposite to solidify.
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Specification