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US 12,600,544 B2Granted
Coated membranes and methods of making the same
AssigneeGeorgia Tech Research Corporation
InventorsTequila A. Harris, Tae Joong Jeong, Yue Ji, Kwangjun Jung, James Carson Meredith
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Abstract
An exemplary embodiment of the present disclosure provides a membrane including a supporting base layer, which can be permeable, and a dual layer oxygen barrier film disposable over the supporting base layer. The supporting barrier film can include a polymeric or paper-based material. The dual layer oxygen barrier film can include a chitin material and a cellulosic material. The cellulosic material of the dual layer oxygen barrier film can be the same material as the permeable membrane or can be any other cellulosic material.
Claims14
A method comprising:
- coating a supporting base layer with a dual layer oxygen barrier film comprising a chitin material and a cellulosic material to form a membrane;
- wherein:
- the coating comprises a roll-to-roll coating process;
- and
- the membrane has an oxygen permeability less than 20 cm3 μm/m2/day/kPa at 23° C. and 50% relative humidity.
2 more elements
Dependencies are inferred from the claim text.