Abstract
Hydrogen bonding facilitated self-assembly is an appealing strategy for constructing advanced molecular architecture. Arrays of quadruply hydrogen-bonding (QHB) modules are especially appealing due to the reason that it features extremely strong yet reversible and dynamic interactions. This review focus on the design and development of polymeric materials utilizing QHB arrays such as 2- ureido-4[1H]-pyrimidone (UPy), butylurea of guanosine (UG), deazapterin (DeAP), 2,7-diamido-1,8-naphthyridine (DAN) and 7- deazaguanine urea (DeUG). Investigating QHB interaction at molecular level and evaluate the physical and chemical properties of the resulting material in solution and bulk are discussed. Specific examples highlighted in this review demonstrate how QHB modules are used and incorporated into polymer matrix to yield stimuli-responsive functionalized polymer. It is discussed how QHB modules providing extra interactions which are responsive under mechanical stress. The interactions associated with QHB modules could be effective adhesion promoters and source of energy dissipater and can facilitate development of functional polymers and smart materials such as stimuliresponsive polymers, novel interpenetrating polymers, polymer blends and fiber/particle reinforced polymer nano-composite.
Keywords: Quadruply hydrogen-bonding, Self-assembly, Stimuli-responsive polymers, Functionalized polymer.
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