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Table 3 Preparation methods of graphene-based composites

From: 3D printing of graphene-based polymeric nanocomposites for biomedical applications

Preparation method

Polymer matrix

Advantages

Disadvantages

Ref

Solution Mixing

PC; Polymethylmethacrylate (PMMA); Polyvinyl alcohol (PVA); Polystyrene (PS); Polyurethane (PU)

Inexpensive; Homogeneous dispersion.

Need to remove solvents

[3, 88, 90, 94]

Melt Mixing

PU; Polyethylene terephthalate (PET); PLA; PC

Applicable to polar and non-polar polymers; does not use solvents; adequate for both small and large-scale production.

Less effective in dispersion; possible buckling, rolling, or shortening of graphene sheets.

[90, 91, 95]

In Situ Polymerization

PA; Polyethylene (PE); Polypyrrole (PPy); PMMA

Applicable to insoluble or thermally unstable polymers.

Need to remove solvents.

[88, 92, 95]