Cellulose Nanofiber (Cellulose Nanofibril)

Catalog	ACMA00030817
Description	Nanofibrillated Cellulose, CNFs)
Application	Crystal structure of nanocellulose is consisting from packed array of needle-like crystals. These crystal structures are incrediblytough and their strength value is nearly eight times higher than stainless steel. Therefore, nanocellulose can be perfect buildingmaterial for the future body armor studies.
Conductivity	5×10^4~7×10^4 S/m

Case Study

Development and Application of Cellulose Nanofiber-Based Templated Functional Materials

Lamm M E, et al. Advanced Materials, 2021, 33(12), 2005538.

Templating is one of the papular strategies to create specific morphologies. Templating involves the use of one material (template) to specify a specific shape of another material with a desired morphology. The template assumes a specific shape and then a second material, the precursor, is introduced. A growing area of templating involves the use of cellulose nanomaterials (CN), including cellulose nanofibrils (CNF), bacterial cellulose (BC), and cellulose nanocrystals (CNC).
· Templating methods based on cellulose nanofibers have been widely reported, including but not limited to sacrificial templating, precursor (electrospinning, ALD technology, layer-by-layer deposition), liquid crystal templates, combined templating, sol-gel, and foaming methods.
· Many applications take advantage of the unique aspects of cellulose nanofiber templates to help control the final properties of the material, including but not limited to applications in catalysis, batteries, supercapacitors, electrodes, building materials, biomaterials, and membranes.

Preparation of Cellulose Nanofiber Aerogel with Biomimetic Structure

Wang D, et al. Chemical Engineering Journal, 2020, 389, 124449.

Inspired by the porous sheet-bridge structure of Thalia dealbata stems, this work achieved the construction of biomimetic structured cellulose nanofiber (CNF)aerogel with excellent thermal insulation, mechanical and flame retardant properties by introducing hierarchical graphene confined zirconium phosphate (ZrP/RGO) nanosheets.
Preparation of biomimetic-structural ZrP/RGO/CNF aerogel
· The preparation began by sonicating 30 mL of GO dispersion (10 mg·mL-1) in 150 mL of water for half an hour using a ultrasonic instrument, followed by the dropwise addition of 20 μL of hydrazine hydrate to produce reduced graphene oxide (RGO).
· After cooling, 1.0 g of ZrOCl2·8H2O was stirred at 600 rpm and sonicated in the RGO dispersion for 4 hours. Subsequently, 20 mL of H3PO4 was added to the mixture and held at 100 °C for 24 hours. The resulting dispersion was then centrifuged at 6000 rpm for 5 minutes, washed and used to prepare ZrP/RGO dispersion (5 mg·mL-1).
· Subsequently, 20 mL of ZrP/RGO dispersion was added to a 10 g CNF suspension and stirred at 1000 rpm while being sonicated at 40kHz and 500W for 3 hours. The well-mixed solution was then poured into a glass vessel wrapped with a teflon tube and frozen using liquid nitrogen. The frozen sample was dried at -60 ℃ under 1 Pa for 72 hours using a SCIENTZ10N freeze-dryer to create a biomimetic-structural ZrP/RGO/CNF aerogel.