Algal polysaccharides for 3D printing: A review

Area of Science:

• Biomaterials Science
• Marine Biotechnology
• Additive Manufacturing

Background:

• Algae are a rich source of polymers suitable for 3D printing applications.
• Current use of algal polymers is restricted to a few seaweed-derived polysaccharides like alginate, agar, carrageenan, and ulvan.
• Vast untapped potential exists within diverse algal taxa beyond traditional seaweeds.

Purpose of the Study:

• To comprehensively review available algal biomaterials and their properties for 3D printing.
• To explore emerging applications of algal polymers in various 3D printing techniques.
• To identify promising algal strains and analyze the advantages and limitations of algal biomass in 3D printing.

Main Methods:

• Literature review of algal biomaterials, their properties, and 3D printing applications.
• Analysis of global 3D printing market trends and material demands.
• Critical evaluation of algal strains for 3D printing suitability.

Main Results:

• Algae produce a wide array of polymers with potential for 3D printing.
• Seaweed-derived polymers are currently dominant, but other algal groups offer diverse material properties.
• Market analysis indicates a growing demand for sustainable materials in 3D printing.

Conclusions:

• Exploring diverse algal taxa is crucial for expanding the range of 3D printable biomaterials.
• Algal biomass presents opportunities and challenges for sustainable 3D printing.
• This review provides a foundation for future research and development in algal-based 3D printing materials.