Step-economy approach for scalable synthesis of stereocontrolled and sequence-defined polyurethanes

被引:0
作者
Sharma, Anuj [1 ]
Cwynar, Pawel [1 ]
Jose, Anna [2 ]
Gupta, Vijay [1 ]
Szweda, Roza [1 ,2 ]
机构
[1] Lukasiewicz Res Network PORT Polish Ctr Technol De, Stablowicka 147, PL-54066 Wroclaw, Poland
[2] Adam Mickiewicz Univ, Ctr Adv Technol, Uniwersytetu Poznanskiego 10, PL-61614 Poznan, Poland
关键词
Stereocontrolled polymers; Sequence-defined polymers; Polyurethanes; One-pot synthesis; Iterative exponential growth;
D O I
10.1016/j.eurpolymj.2025.114120
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Polyurethanes are widely used in industry due to their versatility across numerous applications. However, conventional step-growth polymerization methods inherently lack control over molar mass and monomer sequence of polyurethanes, restricting their applications primarily to commodity materials. Unlocking a strategy to synthesize stereocontrolled, sequence-defined polyurethanes remains a formidable challenge, yet it holds the key to functional materials with properties tailored for specific applications. In this study, we present an approach that integrates one-pot oligomer synthesis with iterative exponential growth in solution, unlocking the fabrication of discrete, stereo-regulated polyurethanes with defined monomer sequences. The presented methodology enables the synthesis of 40-mer polyurethanes in fewer steps, eliminating yield losses typically associated with stepwise isolation in multistep solution synthesis. We also demonstrated the method's utility in preparing non-symmetrical polymer sequences. Stereocontrol appears to be a key parameter for modulating polymer folding and three-dimensional architectures, paving the way for scalable production of abiotic polymers that can mimic the structural characteristics of artificial proteins and unlock new possibilities for adapting material properties and functions to very specific applications.
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页数:6
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