PARTICLES COMPRISING MARKING ADDITIVES FOR SELECTIVE LASER SINTERING-BASED ADDITIVE MANUFACTURING SYSTEMS

摘要

Particles and methods for producing them are disclosed. For example, the particle comprises a polymer resin compatible with a three-dimensional (3D) printing process for printing a three-dimensional (3D) object and a marking additive that causes optional portions of the 3D object to change color when exposed to light; Marking additives are added at approximately 0.01 to 25.00 weight percent (wt %).