Defining Alternating Sequences in Polyurethanes: Sequence-Controlled Photo-Degradation in Step Polymerization

Key Points

• The aim is to explore how polymer sequence impacts degradation in polyurethane materials.
• Investigation of step polymerization techniques with AA and BB type monomers.
• Analysis of photo-degradation in relation to polymer sequences.
• Assessment of degradation efficiency based on programmable properties.
• Demonstrated a clear correlation between polymer sequence and degradation rate.
• Identified specific sequences that enhance degradation efficiency under light exposure.
• Established guidelines for designing sustainable polymer materials through sequence control.