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US 11,732,405 B2Granted
Faux-leather biomaterial
AssigneeTomtex, Inc.
InventorUyen Thi Thao Tran
Life of this patent
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Abstract
A faux leather biomaterial is disclosed. It may be made from shell seafood waste and coffee grounds with the aim to work as a sustainable alternative instead of prior art faux and animal leathers.
Claims1
A process for producing a faux leather biomaterial comprising on a wt/wt basis:
- 1) chitosan:
- 38-42%, 2) silk peptide:
- 2-4%, 3) lactic acid:
- 40-45%, and 4) add-on color:
- 5%-8%, the method comprising:
- 1) Mixing all the ingredients including colors options except the lactic acid into a blender;
- 2) adding warm water (68 to 212 degrees Fahrenheit) to the mixture;
- 3) blending the mixture and water together;
- 4) removing all the bubbles on the surface of the mixture from step 3;
- 5) adding lactic acid;
- 6) blending the product of step 5;
- 7) over a sieve to reduce bubbles, pouring the product of step 6, into a metal, aluminum, silicone, plastic, or clay mold;
- 8) air-drying the product of step 7 for 2-4 days and then peeling it off when dry;
- and
- 9) optionally coating the product of step 8 with a layer of bees wax or shellac to enhance water resistance.
12 more elements
Dependencies are inferred from the claim text.