| abstract |
A chitosan hydrogel composition comprising chitosan, glycerol, and phosphoric acid groups, wherein the chitosan is crosslinked by glycerol, phosphoric acid groups, or a combination thereof, inducing a liquid composition into a gel state according to the content ratio of phosphoric acid groups and glycerol It is possible to control the temperature that can be done, and it can be used as an ink for 3D printing because it affects print characteristics and strength depending on the gelatin concentration. |