Macroscopic Self-Assembly and Self-Healing Through Molecular Recognition

作者：Harada Akira^*

来源：Kobunshi Ronbunshu, 2013, 70(11): 617-622.

DOI：10.1295/koron.70.617

• Self-Healing
• Molecular Recognition
• Cyclodextrin
• Hydrogel
• Artificial Muscle
• Shape Memory
• Macroscopic Self-Assembly

Cyclodextrins (CDs) were found to form inclusion complexes with some polymers with high selectivity by complexing with polymer side-chains. CD polymers formed complexes with guest polymers to give hydrogels which show self-healing properties that can be controlled by external stimuli, such as light and redox reactions. Host gels containing CD were found to adhere guest gels. Those host-guest gel assembly is selective and can be controlled by light, solvents, redox reactions, temperature, and pH. Mixtures of host polymers and guest polymers show sol-gel transition by light and redox reactions. Mixtures containing partially chemically cross-linking parts show expansion and contraction by some external stimuli. This system can be applied to develop artificial muscle and shape-memory systems.

• 出版日期2013