abstract |
The present application provides a method for preparing nanofibrillar cellulose product, the method comprising providing nanofibrillar cellulose, providing multivalent cations, contacting the nanofibrillar cellulose with the multivalent cations, and allowing reacting for a period of time to obtain cross-linked nanofibrillar cellulose product. The present application also provides a nanofibrillar cellulose product comprising nanofibrillar cellulose and multivalent cations, wherein the nanofibrillar cellulose is crosslinked by the multivalent cations. |