Supramolecular adhesive materials based on urea assembly

Jialin Jian, Yu Zhou, Jiaqi Su, Zhenhua Gao*, Shuangying Wei*, Shuaiyuan Han*

*Corresponding author for this work

Research output: Contribution to journalReview Articlepeer-review

Abstract

Supramolecular adhesive materials (SAMs) have garnered significant research interest owing to the outstanding attributes offered by dynamic bonds, including self-healability, stimulus responsiveness, and reversible adhesion. Urea groups with adjustable hydrogen bond strength, directional assembly ability, readily synthesized and amenable to scale-up, represent crucial dynamic bond constituents; this review provides a comprehensive summary of SAMs based on urea assembly. Meanwhile, a comprehensive overview of SAMs’ structures, properties, and applications is also provided. SAMs are categorized into four distinct types following the quantity of urea-based assembly sites: one assembly site, two assembly sites, three assembly sites, and multi-assembly sites. Deduced out urea-based assembly promotes molecular weight and cross-linking points increase, which are the main factors for improving the performance of SAMs. The SAMs’ limitations, challenges, and prospective directions are also briefly outlined.

Original languageEnglish
Article number148061
JournalChemical Engineering Journal
Volume480
DOIs
Publication statusPublished - 15 Jan 2024
MoE publication typeA2 Review article, Literature review, Systematic review

Keywords

  • Hydrogen bond
  • Self-assembly
  • Supramolecular adhesive materials
  • Urea
  • Ureidopyimidinone

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