التفاصيل البيبلوغرافية
| العنوان: |
Synthesis of Self‐assembled Star/Linear Block Copolymer Blends via Aqueous RAFT Dispersion Polymerization. |
| المؤلفون: |
Wang, Ruiming, Zhu, Wenyu, Zhang, Li, Sheng, Xinxin, Tan, Jianbo |
| المصدر: |
Chinese Journal of Chemistry; Jul2024, Vol. 42 Issue 14, p1606-1614, 9p |
| مصطلحات موضوعية: |
STAR-branched polymers, GEL permeation chromatography, COLLOIDAL stability, DISPERSION (Chemistry), POLYMERIZATION, BINARY mixtures |
| مستخلص: |
Comprehensive Summary: Reversible addition‐fragmentation chain transfer (RAFT)‐mediated polymerization‐induced self‐assembly (PISA) of star block copolymer and linear block copolymer using a binary mixture of a star‐like macro‐RAFT agent and a linear macro‐RAFT agent is reported. With this formulation, star block copolymer and diblock copolymer were formed simultaneously to generate colloidally stable star/linear block copolymer assemblies. Size exclusion chromatography (SEC) analysis confirmed the presence of two types of polymers in the final samples. The molar ratio of the star‐like macro‐RAFT agent and the linear macro‐RAFT agent has a significant impact on the morphology of polymer assemblies. It was found that increasing the amount of star‐like macro‐RAFT agent facilitated the formation of higher‐order morphologies. Additionally, effects of other reaction parameters including the length/number of the arm of the star‐like macro‐RAFT agent, degree of polymer (DP), monomer concentration on the morphology of star/linear block copolymer assemblies were also investigated. We expect that this work will offer new possibilities for the scalable preparation of polymer assemblies with unique structures and functions. [ABSTRACT FROM AUTHOR] |
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