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. 2020 Dec 24;11(2):637–656. doi: 10.1039/d0ra07141b

Compatibilization strategies.

Author – year article Matrix Cellulose type Processing aid/compatibilizer/surface functionalization Processing techniques Cellulose (wt%)
(Paunikallio. 2006)62 PA12 CF (viscose) Surface mod. – coupling agent: silyl coupling agent, aminosilane [(3-aminopropyl)triethoxysilane] then oven dried [in gas & liquid phase] Micro-extruder (twin-screw), micro-injection moulding [max 215 °C] 40.0
(Li et al., 2012)147 PA6 Wood flour (fir flour/SiO2 hybrid material) (FSHM) Aminopropyltriethyoxysilane epoxy resin Extrusion (twin-screw), injection moulding [max 235 °C] 3.0–25.0
(Corrêa et al., 2014)72 PA6 CNC-freeze dried Third component – macromolecule: coated with PA6 (via formic acid solution) [masterbatch 33 wt%] Extrusion (twin-screw), injection moulding [max 260°] 1.0
(Semba et al. 2014)66 PA12 CNF-dried [temp N/A] Surface mod. – grafting: reactive cationic quaternary ammonium salt, epoxy functionalized; 0.5% Extrusion (twin-screw), injection moulding [max 190 °C] 5.0
(Leszczyńska. 2015)63 PA410 MFC Surface mod. – acetylation: via acetic anhydride in toluene after multiple solvent exchanges – then freeze-dried Micro-extruder (twin-screw) [max 250°] 1.0–5.0
(Feldmann, Heim, & Zarges. 2016)71 PA100 CF – oven dried Third component – macromolecule: PPL (aqueous polyvinyl alcohol solution) 10.0 wt% Extrusion (single-screw), extrusion (twin-screw), injection moulding [max 230 °C] 20.0–30.0
(Rahimi & Otaigbe 2017)68 PA6 CNC – freeze dried after modification Surface mod. – grafting/coupling agent: aminopropyltriethoxysilane (APS) grafting on cellulose combined with in situ polymerized PA6 coating Internal mixer [max 280 °C] 1.0–3.0
(Benaducci et al. 2016)148 PA66 CNF Coated with PA6 (via formic acid solution) Micro extruder, micro-injection moulding [max 280 °C] 1.0–2.0
(Semba et al. 2016)77 PA11 CNF Surface mod. – grafting: four different reactive cationic reagents: (1) epoxy functionalized quaternary ammonium salt monomer, (2) epoxy functionalized quaternary ammonium salt polymer, (3) azetidinium ring funct. polyamide, (4) non-reactive quaternary ammonium salt [0.06–0.77 wt%] Extrusion (twin-screw), injection moulding [max 210 °C] 10.0
(Peng et al. 2017)149 PA11 CNC – never dried Surface mod. – esterfication: fatty side chain esterification to give dodecanoyl grafted CNC, surfactant: methyl laurate Compression moulding [initially solvent-cast] [max 190 °C] 1–10.0