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International Journal of Bioprinting Advancements in 3D printing

Figure 6. Polyethylene material. (A) Schematic representation of the methodology adopted for biomimetic porous high-density polyethylene/polyethylene-
grafted-maleic anhydride scaffold development. Copyright © Elsevier 2023. Reprinted with permission of Elsevier. (B) Porous high-density polyethylene
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scaffolds. Copyright © Elsevier 2023. Reprinted with permission of Elsevier.
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non-toxic, and wax-like in texture. It has excellent low- general-purpose plastic with notable properties such as
temperature resistance (the lowest operating temperature chemical resistance, heat resistance, electrical insulation,
can reach -100 to -70°C), has good chemical stability, high mechanical strength, and good processability,
and is resistant to most acids and alkalis. Given its good including abrasion resistance. In the medical field, the
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biocompatibility, it is ideal for long-term implantation. most common polypropylene medical products are medical
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The fact that it can be preformed lends itself convenient non-woven fabrics. These fabrics are produced with special
for clinical use, and it can be thermally sculpted to meet polypropylene material and warp knitting process, which
clinical requirements. Polyethylene can be fastened with have excellent thermal stability and abrasion resistance. In
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sutures, screws, and wires and is mainly used in jaw addition, disposable medical products such as gloves, scotch
surface repairs, eyeball fillings, nose or cheek fillings, and tape, and medical tubing are also made of polypropylene. 44,45
ventilation medical devices. Polypropylene is also used in hardware products due to its
chemical stability, mechanical properties, and physiological
Polypropylene is a polymer produced through addition
polymerization of propylene. It is a white waxy material with safety. For example, it can be used as a flat artificial kidney
splint. Polypropylene, whose surface has been treated with
transparency and lightness. Polypropylene is flammable, but active agents, can also be used to produce artificial lungs
it can resist the corrosion of acids, alkalis, salt solutions, (Figure 7).
and various organic solvents below 80°C. Nevertheless,
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it will decompose under high temperature and oxidation. Polyvinyl chloride (PVC) is a polymer formed through
Polypropylene is a thermoplastic synthetic resin with free radical polymerization under the action of light and
excellent properties. It is a colorless, translucent, lightweight, heat. It is an amorphous white powder with a relative

Volume 10 Issue 2 (2024) 52 doi: 10.36922/ijb.1752