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Abstract

The syntheses of poly[2]catenane gels reported to date all rely on the polymer as the backbone. We reported poly[2]catenane gels prepared by entirely sequential self-assembly of small molecules via noncovalent and dynamic covalent bonds. Due to the presence of hydrogen bonds in the poly[2]catenane gels, the gels also possessed stimulus responsiveness and self-healing properties. More details are discussed in the article by Ji et al. on pages 2699—2704.