Patent ID: 9523160
Filing Date: 2016-12-20
CPC Classification: B33Y,D01F,D10B

Claim Text:
1. A method for preparing an antimicrobial filament for 3D printing comprising: providing a first mixture comprising a plastic resin and at least one antimicrobial agent selected from the group consisting of an inorganic antimicrobial agent, an organic antimicrobial agent, a metal antimicrobial agent, an ammonium salt antimicrobial agent, a guanidine antimicrobial agent, a copper compound antimicrobial agent, a sustained-release polymer antimicrobial agent, and a natural antimicrobial agent; providing a master batch by extruding the first mixture; and preparing an antimicrobial filament by extruding a second mixture containing the master batch and the plastic resin, wherein the first mixture comprises 85 to 95 parts by weight of the plastic resin and 5 to 15 parts by weight of the antimicrobial agent.