Carbohydrate-Based Polyester and Amino Acid Polyester Photocrosslinker and Their Resin Formulation for 3D Printing...

Area of Science:

• Polymer Chemistry
• Materials Science
• Sustainable Chemistry

Background:

• The development of sustainable and biodegradable materials is crucial for reducing environmental impact.
• Bio-based polyesters offer a promising alternative to petroleum-based plastics.
• 3D printing technology requires advanced resin formulations with tailored properties.

Purpose of the Study:

• To design and synthesize novel fully bio-based polyesters for photocurable resin applications.
• To investigate the impact of these bio-based polyesters on the properties of 3D-printed materials.
• To evaluate the degradation behavior of the 3D-printed polymer networks.

Main Methods:

• Synthesis of carbohydrate-based diol (Manx) and dimethyl ester (Galx).
• Formulation of photocurable resins incorporating carbohydrate polyester into hydroxyl ethyl methacrylate (HEMA).
• 3D printing of complex structures and characterization of thermal and degradation properties.

Main Results:

• Successful synthesis of fully bio-based polyesters from carbohydrate sources.
• 3D-printable resin formulations with good shape fidelity were developed.
• Incorporation of carbohydrate polyester enhanced the glass transition temperature of 3D-printed objects.
• Demonstrated tunable degradation: higher enzymatic erosion and complete degradation in basic conditions, stability in acidic conditions.

Conclusions:

• Novel bio-based polyesters can be effectively utilized in 3D printing resin formulations.
• These materials offer improved thermal stability and controllable degradation profiles.
• The findings support the development of sustainable and environmentally responsive 3D printing materials.