Polylactide microparticles stabilized by chitosan graft-copolymer as building blocks for scaffold fabrication via surface-selective laser sintering
Source abstract
Abstract
Surface-selective laser sintering (SSLS) is a specific version of selective laser sintering, which allows one to fabricate 3D structures with well-defined architectonic via selective melting of microparticle surface without alteration of their core. This mode of laser sintering requires a well-designed surface properties of the microparticles to adsorb laser irradiation. Water was chosen as safer sensitive absorber of laser radiation with a wavelength of 1.9 μm, i.e. one with low absorption coefficient by polymeric core. Biodegradable polylactide microparticles were fabricated via oil/water emulsion solvent evaporation technique using tailored-made chitosan-based macromolecules, which provided the effective interface stabilization during the microparticle fabrication and well balanced microparticle surface hydrophilicity to adsorb water. Especially build SSLS set-up was designed in order to monitor the effectiveness of the 3D scaffold fabrication from the obtained microparticles and to adapt the optimal laser radiation parameters with a wavelength of 1.9 μm (e.g. speed, line density, power).Graphical abstract
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Additive Manufacturing and 3D Printing Technologies · 3D Printing in Biomedical Research · Surface Modification and Superhydrophobicity
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (34)
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