Dual cross-linked tannic acid–micro-nano dialdehyde cellulose/PVA films with enhanced mechanical, damp-heat, and antibacterial performance

Key Points

• Enhanced mechanical performance was observed in dual cross-linked films, indicating strong structural integrity.
• Testing showed significant antibacterial performance, achieving effective inhibition against various bacterial strains.
• Employing a dual cross-linking method with tannic acid and micro-nano cellulose improved damp-heat resistance.
• These findings suggest potential applications in packaging or biomedical materials due to the films' desirable properties.