Breakthrough in Sustainable 3D Printing: Researchers Develop PBAT-Based Composites Using Selective Laser Sintering

Researchers have successfully developed biodegradable PBAT-based composites using agro-waste fillers through selective laser sintering (SLS). This process utilized corn by-products and wine production residues as biofillers in the PBAT matrix.

The PBAT-based composite powders were prepared using an emulsion solvent process to achieve spherical particles suitable for SLS. The composite materials exhibited good dimensional accuracy and structural complexity when printed. Characterization methods such as TGA, DSC, SEM, and DMA were used to assess the thermal, morphological, and mechanical properties of the composites.

The introduction of biofillers into PBAT resulted in a decrease in material cost and maintained biodegradability. The bio-based composites displayed increased structural complexity and were found to be processable with good dimensional definition and porosity.

The research highlights the viability of integrating agricultural waste products as fillers in biodegradable polymers for 3D printing technologies. Such innovations present an economical and eco-friendly alternative to conventional plastic materials. This development is particularly promising for use in the biomedical field.

For further details, you can access the complete study titled “3D printing of PBAT-based composites filled with agro-wastes via selective laser sintering” at this link.

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