Back to results
US 12,590,197 B2Granted
Bio-based carbon foam
AssigneeStora Enso OYJ
InventorsDavid Masson, Stephan Walter
Life of this patent
Estimating the term…
Abstract
The present invention relates to bio-based carbon foams, a method for their manufacturing and their use. The method comprises foaming a slurry of cellulose fibres to obtain a cellulose fibre foam, adding a biomass component to the foam, and carbonization of the biomass-cellulose fibre foam.
Claims13
A method for the preparation of a bio-based carbon foam, the method comprising
- a. suspending cellulose fibres in a liquid medium to obtain a cellulose slurry;
- b. foaming said cellulose slurry to obtain a cellulose fibre foam;
- c. adding a biomass component to the cellulose fibre foam to obtain a biomass-cellulose fibre foam,
- wherein the biomass component is selected from lignin and lignocellulosic materials;
- and
- d. carbonization of the biomass-cellulose fibre foam to obtain a bio-based carbon foam.
3 more elements
Dependencies are inferred from the claim text.