Abstract
This research develops a biodegradable biomaterial from coffee pulp, an abundant agro-industrial byproduct in Colombia, integrating sustainability and industrial design principles. The study aimed to characterize the pulp’s physicochemical properties, formulate composites using natural binders such as cassava starch and rosin, and evaluate their mechanical performance through prototyping. The methodology comprised three sequential phases: substrate characterization, formulation and prototyping, and comprehensive performance testing, including mechanical, hygroscopic, density, and lignin analyses. Results showed that samples with 8 wt% of rosin reached an elastic modulus of 1162.40 MPa and a maximum load of 100.31 N, confirming their potential for non-structural design applications. Additionally, the biomaterial exhibited thermoacoustic behavior suitable for interior components. These findings position the material as a promising bio-based alternative for selected non-structural and short-life applications, although further studies are required to validate its durability and biodegradation under real conditions.
