Cellulose Nanofiber Lamination of the Paper Substrates via Spray Coating – Proof of Concept and Barrier Performance
Table 1.
Coating of CNF on thepaper substrates using various methods [39]
| Type of Cellulose | Substrate | Methods | Function | Coat Weight | WVTR (g/m2 day) | OTR or Air Permeability | | Cellulose Nano fibrils (CNF) | Packaging Paper board (178± gsm) and 190±5 µm | Roll to Roll coating with slot | Packaging | 10 g/m2 (0 -16 gsm) | 500 -100 | NA | | Carboxy-methylated micro-fibrillated cellulose film | Kraft paper Grease proof paper Free standing film | Dispersion Casting | Packaging material | 1.3 1.0 g/m2 5 and 8 g/m2 | NA | 0.3 nm/Pa.s 0.2 nm/Pa.s 0.009 and 0.0006 cm3 µm/ (m2 day kPa) | | Micro-fibrillated cellulose | calendared paper (41 gsm) | Bar Coating Size Pressing | - | 7 g/m2 4 g/m2 | NA | 786±166 nm/Pa.s 4856±1717 nm/Pa s. | | Micro-fibrillated cellulose | Card board (300 ) | Bar coating | - | 17± g/m2 | NA | 0.18±01 cm3/m2 pa.s | | Nanocellulose | Fibre based substrates | Foam Coating | Tailoring the surface properties of the sheet and Functionalization | 0.3 -2 g/m2 | NA | NA | | Micro-fibrillated cellulose | Composite paper | Forming and Dewatering- Filtration | MFC composite Paper | NA | NA | NA | | Nano-emulsified Nanocellulose | Addition of the Nano emulsified Nanocellulose | Vacuum Filtration | Nanocellulose sheet | NA | NA | 2.75*10-08 ±0.9*10-8 K(m2) | | Micro-fibrillated cellulose | Porous Paper substrate | Spray Coating | Barrier and Mechanical Properties Enhancement | 6 g/m2 | NA | Drastically Reduced | | Graphite Carbon Black Micro –Fibrillated cellulose | Wet Paper Substrate | Spray Coating | Electrode | NA | NA | NA |
|
|
