Viscoelastic properties of thermosensitive gelatin/tragacanth hydrogel as novel ink suitable for additive manufacturing: Effect of various additives on system's viscoelastic characteristics and printability
H. Zehtab Minooei,
B. Kaffashi
Abstract:In this study, a novel hydrogel ink made from gelatin and tragacanth gum was prepared. Two additives and a crosslinking agent were added to improve the viscoelastic properties of the material during gelation and its printability. Alginic acid was introduced as a crosslinking agent along with additives such as rice starch and halloysite nanotubes (HNT). Two rheological measurement modes, rotational and oscillatory, were utilized to measure the steady state viscosity and complex moduli, respectively. Auxiliary m… Show more
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