Patent · US Active

Nanocellulose aerogels and foams

US11248107B2 · kind B2 · utility

3Cited by

1References

9Claims

0Family size

Assignee

The Regents of the University of California · US

Inventors

You-Lo Hsieh · Davis, US
Feng Jiang · Suzhou, CN

Key dates

Filing date	Mar 22, 2019
Grant date	Feb 15, 2022
Priority date	—
Expiry date	May 3, 2039

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/13
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present disclosure provides a method for preparing an aerogel or a foam, the method comprising: forming a reaction mixture comprising a cellulose nanofibril gel, a first solvent, and one or more crosslinking agents under conditions sufficient to crosslink the gel; and contacting the crosslinked gel with a second solvent under conditions sufficient to dry the crosslinked gel, thereby forming an aerogel or foam.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.