Semirenewable Polyamides Containing Disulfide Bonds: Synthesis, Degradation, Self-Healing, and Triboelectric...

Area of Science:

• Polymer Chemistry
• Materials Science
• Sustainable Energy

Background:

• Polyamides are versatile polymers with diverse applications.
• Developing advanced polymers with self-healing and energy harvesting capabilities is crucial for sustainable technologies.
• Incorporating disulfide bonds into polymer backbones offers unique chemical and mechanical properties.

Purpose of the Study:

• To synthesize and characterize novel polyamides containing disulfide bonds.
• To investigate the degradation mechanisms of these polymers under various conditions.
• To explore the potential of these polymers in self-repairable triboelectric nanogenerators for energy harvesting.

Main Methods:

• Two-step melt polycondensation using 4,4'-dithiodibutyric acid and bioderived Priamine.
• Degradation studies involving visible light photocatalysis and UV-mediated processes.
• Comprehensive analysis of chemical, physical, and mechanical properties, including thermal stability and self-healing behavior.

Main Results:

• Successfully synthesized polyamides with disulfide bonds exhibiting elastomeric and self-healing properties.
• Demonstrated high thermal stability of the synthesized polymers.
• Investigated degradation pathways under photocatalytic and UV conditions.
• Showcased the application of these tribopositive polymers in self-repairable triboelectric nanogenerators for efficient energy harvesting.

Conclusions:

• Polyamides containing disulfide bonds possess desirable properties like elasticity, self-healing, and thermal stability.
• These polymers are suitable for developing advanced self-repairable devices.
• The demonstrated application in triboelectric nanogenerators highlights their potential for sustainable energy harvesting.