In the recently published ‘ Lignin: A Biopolymer from Forestry Biomass for Biocomposites and 3D Printing ,’ international researchers Mihaela Tanase-Opedal, Eduardo Espinosa, Alejandro Rodríguez, and Gary Chinga-Carrasco explore a very specific area of materials related to biopolymers.
As composites are used more often these days to improve existing materials—especially in 3D printing—alternative materials like wood are being experimenting with also. Fiber-based biocomposites and lignin can be better options than petrochemical-based products.
For this study, the authors gleaned lignin from spruce trees being reduced to pulp. They used the material to create composite filaments, printing sample dogbones to test mechanical properties.
Natural-fiber biocomposites offer the following:
- Good mechanical properties
- No emission of toxins
- Light weight
PLA is a popular polymer used in 3D printing, and as the authors remind us, it is actually a biopolymer—featuring good mechanical properties, biodegradability, easy melt-processability, and much more; however, it is also […]