Abstract
A new synthesis of amphiphilic homopolymers is described. In this synthesis, commercially available and inexpensive primary amines and di-epoxide molecules are utilized as AA- and BB-types of monomers in an amine-epoxy ‘click’ polymerization process. This process can be carried out in water and at room temperature. It does not require a catalyst or inert conditions and forms no byproducts. Therefore, the polymer synthesis can be carried out in open-air and bench-top conditions and a post-synthesis purification step is not required. The modularity of the synthesis, on the other hand, allows for facile structural modulation and tuning of the thermally triggered aggregation process in the temperature range of 7 to 91 °C. Finally, the underlying principles can be translated from linear architectures to polymer networks (hydrogels).
Highlights
The development of simple synthetic protocols that allow practical access to functional polymers has been a significant goal in polymer chemistry [1]. This notion resonates in the “click” chemistry philosophy [2] especially in the context of material synthesis that emphasizes on, among other things, simplicity of the involved processes [3,4,5,6,7,8,9,10,11]
More the polymer-repeating unit contains the hydrophilic (PEG) segments were relatively short, the swelling was relatively low (355%)
>500-gram scale preparation is possible in a bench-top polymers represent a new family amphiphilic homopolymers and exhibit thermoresponsiveness
Summary
The development of simple synthetic protocols that allow practical access to functional polymers has been a significant goal in polymer chemistry [1]. A catalyst, heat, purification-free scalable synthesis in air and moisture distribution, control over polymer chain-ends, and opportunity to prepare block-type structures as from a large variety of commercially available and inexpensive building blocks in water is of illustrated in works from the laboratories of Lutz [48,49,50,51] and Sumerlin [52,53,54,55,56]. These features would allow researchers with no background and heat, purification-free scalable synthesis in air and moisture from a large variety of commercially infrastructure in polymer synthesis, such as a biologist or an engineer, to access thermoresponsive available and inexpensive building blocks in water is of considerable significance These features materials with precise and adaptable chemical structures and adjustable stimuli responsive would allow researchers with no background and infrastructure in polymer synthesis, such as a properties [57,58,59]. Growing polymer class represents a new molecular design in the preparation of responsive materials
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