Influence of Tacticity on the Self-Assembly of Poly(ethylene glycol)-b-poly(lactic acid) Block Copolymers

被引：0
|
作者：
Rijpkema, Sjoerd J. [1 ]
Toebes, B. Jelle [1 ]
van Vlaenderen, Jules [1 ]
van Haren, Liban [1 ]
Wilson, Daniela A. [1 ]
机构：
[1] Radboud Univ Nijmegen, Inst Mol & Mat, Heyendaalseweg 135, NL-6525 AJ Nijmegen, Netherlands
来源：
ACS MACRO LETTERS | 2025年 / 14卷 / 01期
关键词：
MOLECULAR-WEIGHT; MORPHOLOGIES; CHIRALITY; SOLVENT;
D O I：
10.1021/acsmacrolett.4c00758
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Lactide, possessing two stereocenters and thus three distinct configurations (DD, DL, and LL), serves as a captivating building block for polymers and self-assembly. Notably, polylactide (PLA) exhibits stereocomplexation, displaying heightened interactions between different configurations compared with interactions within the same configuration. This characteristic renders PLA an intriguing subject for investigating self-assembly behavior. In this study, 22 PEG-b-PLA polymers were synthesized and self-assembled, with analysis conducted through NMR and cryo-TEM techniques. A range of morphologies, including vesicles, diamond-shaped lamellae, and branched networks, were achieved by manipulating the tacticities. Enhanced comprehension of self-assembly interactions holds promise for advancing molecular recognition, self-replication, and asymmetric catalysis.
引用
收藏
页码：101 / 106
页数：6
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