Design of Topology‐Controlled Polyethers toward Robust Cooperative Hydrogen Bonding

Author:

Kim Junhee12,Choi Soonyoung1,Baek Jinsu3,Park Yong Il1ORCID,Kim Jin Chul1ORCID,Jeong Ji‐Eun1ORCID,Jung Hyocheol1ORCID,Kwon Tae‐Hyuk2ORCID,Kim Byeong‐Su3ORCID,Lee Sang‐Ho14ORCID

Affiliation:

1. Center for Advanced Specialty Chemicals Korea Research Institute of Chemical Technology Ulsan 44412 Republic of Korea

2. Department of Chemistry Ulsan National Institute of Science and Technology (UNIST) Ulsan 44919 Republic of Korea

3. Department of Chemistry Yonsei University Seoul 03722 Republic of Korea

4. Advanced Materials and Chemical Engineering University of Science and Technology (UST) Daejeon 34113 Republic of Korea

Abstract

AbstractTopology control of polymers is critical for determining their physical properties and potential applications; in particular, topologies that incorporate numerous hydrogen bonding (H‐bonding) donors and acceptors along the polymer chains considerably influence the formation of different inter‐ and intramolecular H‐bonding motifs. In this study, the high‐level control of inter‐ and intramolecular H‐bonding is investigated in topology‐controlled poly(glycidoxy carbonyl benzoic acid)s (PGCs). Three types of topology‐controlled PGCs (i.e., linear, hyperbranched, and branched cyclic structures having a similar degree of polymerization) are prepared by introducing aromatic carboxylic acids into the corresponding polyglycidols (PGs) via quantitative post‐polymerization modification with phthalic anhydride. The obtained three types of PGCs demonstrated the high‐level interplay between the inter‐ and intramolecular H‐bonding in polymer chains by exhibiting the pH‐dependent self‐association properties in the solution state and the strong adhesion properties in the bulk state with high transparency. Interestingly, the dramatically enhanced adhesive property by 2.6‐fold is demonstrated by simple mixing of branched cyclic PGC and topology‐controlled PGs to promote the cooperative H‐bonding between polymer chains. The new class of cooperative H‐bonding is anticipated between topology‐controlled polymers to contribute to the development of advanced adhesive and the high potential in biological and biomedical applications due to its excellent biocompatibility.

Funder

National Research Foundation of Korea

Publisher

Wiley

Subject

Electrochemistry,Condensed Matter Physics,Biomaterials,Electronic, Optical and Magnetic Materials

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