期刊
MACROMOLECULES
卷 46, 期 11, 页码 4575-4579出版社
AMER CHEMICAL SOC
DOI: 10.1021/ma400695p
关键词
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资金
- Japan Science and Technology Agency
- Grants-in-Aid for Scientific Research [25107718, 23685026, 25620100] Funding Source: KAKEN
Supramolecular hydrogels, which are cross-linked via host guest interactions, show high-performance physical properties, such as elasticity and toughness. Herein we prepare a supramolecular hydrogel without chemical crosslinker. The supramolecular hydrogel was prepared by polymerization of the inclusion complexes between beta-cyclodextrin acrylamide and adamantane acrylamide monomers. The beta-cyclodextrin adamantane gel (beta CD Ad gel) shows a high stretching property (990%). The initial strain (0%) is restored in several minutes for a beta CD Ad gel stretched to 180% of the initial strain without altering the physical history. However, chemically cross-linked poly(acrylamide) does not show the reversible stretching property. These results indicate that host guest interaction inside the supramolecular hydrogel plays an important role in the shape recovery properties.
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