We are interested in constructing functional materials by the combination of traditional polymers and host-guest interactions. For example, we prepared supramolecular gels by crosslinking a PMMA polymer with pendent dibenzo[24]crown-8 (DB24C8) units by using two bisammonium salts with different end groups based on the host-guest interactions of DB24C8 units and secondary ammonium salt moieties, exhibiting excellent self-healing properties. A supramolecular cross-linked network was constructed from a fluorescent conjugated polymer and a bisammonium salt cross-linker driven by DB24C8/secondary ammonium salt host-guest interactions, and demonstrated to act as a multiple fluorescent sensor. We developed a novel amphiphilic diblock copolymer with a supramolecular polymer block and a traditional polymer block. The block chain length ratio of the diblock copolymer could be adjusted with no need to do intricate organic and/or polymer syntheses, inducing the formation of various assembled morphologies and functions. We fabricated a dual-responsive supra-amphiphilic polypseudorotaxane from a water-soluble pillar[7]arene and an azobenzene containing random copolymerconstruct. Additionally, we constructed the first pillararene-based gemini-type supra-amphiphilic [3]pseudorotaxane from a water-soluble pillar[10]arene and a paraquat-containing poly(N-isopropylacrylamide). This macromolecular [3]pseudorotaxane showed unique dual-thermo-responsiveness.

Functional materials constructed by the combination of traditional polymers and host-guest molecular recognition motifs

253rd National Meeting (2017)

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