Development of Cellulose Nanofibre (CNF) Coating on (1) Metal Surface for Free Standing CNF Film and (2) Paper Substrates for CNF Barrier Laminates
Table 1.
CoatingProcess of CNF
| Type of Cellulose | Substrate | Methods | Function | Coat Weight | WVTR (g/m2 day) | OTR or Air Permeability | Reference | | Cellulose Nano fibrils (CNF) | Packaging Paper board (178±4gsm) and 190±5µm | Roll to Roll coating with slot | Packaging | 10 g/m2 (0 -16 gsm) | 500 -100 | NA | [38] | | 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 8gsm | NA | 0.3 nm/Pa s. 0.2 nm/Pa s 0.009 and 0.0006 cm3 µm/ (m2 day kPa) | [22] | | Micro-fibrillated cellulose | calendared paper (41 gsm) | Bar Coating Size Pressing | - | 7 gsm 4 gsm | NA | 786 ±166 nm/Pa.s 4856±1717 nm/Pa s. | [31] | | Micro-fibrillated cellulose | Card board (300 ) | Bar coating | - | 17± 1gsm | NA | 0.18±0.01 cm3/m2 pa.s | [30] | | Cellulose nanofibre | Fibre based substrates | Foam Coating | Tailoring the surface properties of the sheet and Functionalization | 0.3 -2 gsm | NA | NA | [29] | | Micro-fibrillated cellulose | Composite paper | Forming and Dewatering-Filtration | CNF composite Paper | NA | NA | NA | [37] | | Nano-emulsified Cellulose nanofibre | Addition of the Nano emulsified Cellulose nanofibre | Vacuum Filtration | Cellulose nanofibre sheet | NA | NA | 2.75*10-08 ±0.9*10-8 K(m2) | [39] | | Micro-fibrillated cellulose | Porous Paper substrate | Spray Coating | Barrier and Mechanical Properties Enhancement | 6 gsm | NA | Drastically Reduced | [6] | | Graphite Carbon Black Micro – Fibrillated cellulose | Wet Paper Substrate | Spray Coating | Electrode | NA | NA | NA | [7] |
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