| abstract |
The present invention provides cross-linked nanofibril cellulose aerogels comprising 80 to 90 parts by weight of nanofibrillin cellulose and 10 to 20 parts by weight of crosslinking agent per 100 parts by weight of total aerogels. Therefore, the crosslinked nanofibril cellulose aerogels are produced on the basis of cellulosic fibers and have biodegradability. Since organic solvents and toxic substances are not used in the manufacturing process, they are eco-friendly. Internal particles form a three-dimensional network, . In particular, the resistance to moisture is greatly increased, and thus it can be used in a variety of materials such as sound absorption, insulation, and filters in a watery environment. |