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Mixing of pristine ZnO along with other nano particle/metal oxide/polymer during PU/ZnO dispersion preparation.
| Nano Particle/Metal Oxide/Polymer | ZnO Premixed with Solvent | Mixing Stage of ZnO | Ref. | ||||
|---|---|---|---|---|---|---|---|
| Yes | No | Mixed with Ready PU | Mixed In Situ Polymerization | ||||
| Polyol | Isocyanate | Prepolymer | |||||
| fMWCNT | ✓ | … | ✓ | … | … | … | [49] |
| Graphene aerogel | … | ✓ | … | ✓ | … | … | [67] |
| Cellulose-acetate | … | ✓ | ✓ | … | … | … | [75] |
| Polylactide | ... | ✓ | ✓ | … | … | … | [73] |
| Chitosan | … | ✓ | ✓ | … | … | … | [64] |
| stainless steel mesh | … | ✓ | ✓ | … | … | … | [58] |
| CdO | ✓ | … | ✓ | … | … | … | [57] |
