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Facile Arm-First Synthesis of Star Block Copolymers via ARGET ATRP with ppm Amounts of Catalyst
Abstract
Star polymers with block copolymer arms were prepared by atom transfer radical polymerization (ATRP) via an arm-first method. Several macroinitiators based on block copolymers (MIs), PBA- b -P t BA–Br, P t BA- b -PBA–Br, PSAN- b -PBA–Br, and PBA- b -P t BA–Br, were prepared by activators regenerated by electron transfer (ARGET) ATRP to maintain high chain-end functionality. Then the MIs were reacted with divinylbenzene as a cross-linker to form star-shaped polymers via ARGET ATRP. Several parameters including concentration of reducing agent, copper catalyst concentration, degree of polymerization (DP) of MIs, and composition of MIs were investigated. A high level of control was achieved by sequential feeding of the reducing agents for DP MI ≤ 100. Stars in >95% yield and with narrow molecular weight distributions ( M w / M n < 1.3) were obtained under the optimized polymerization condition.
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Matyjaszewski et al. reported the preparation of PBA-b-PMMA by ARGET ATRP with ppm levels of Cu catalyst.
“Matyjaszewski et al. reported the preparation of poly(n-butyl acrylate-b-methyl methacrylate) (PBA-b-PMMA) by activators regenerated by electron transfer atom transfer radical polymerization (ARGET ATRP) with ppm levels of Cu catalyst [24].”
From Block Copolymers: Synthesis, Self-Assembly, and Applications (2017) · cites this paper as [24]
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Block Copolymers: Synthesis, Self-Assembly, and Applications
Feng, H., Lu, X., Wang, W., Kang, N.-G., & Mays, J. (2017) · Polymers · doi:10.3390/polym9100494 · Cited by 467
“[24].”
Metadata
- Authors
- Ding, H., Park, S., Zhong, M., Pan, X., Pietrasik, J., Bettinger, C. J., & Matyjaszewski, K.
- Affiliations
- Carnegie Mellon University (US)
- Lodz University of Technology (PL)
- Corresponding author
- Bettinger, Christopher John
- Matyjaszewski, Krzysztof
- ORCID
- Venue
- Macromolecules
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-09-07
- Volume
- 49
- Issue
- 18
- Pages
- 6752-6760
- ISSN
- 0024-9297 (ISSN-L)
- 1520-5835
- OpenAlex
- W2518064898
- Cited by
- 54
- References
- 52
- Citations by year
- 2026: 5 · 2025: 6 · 2024: 3 · 2023: 3 · 2022: 3 · 2021: 4 · 2020: 8 · 2019: 5 · 2018: 10 · 2017: 7
- FWCI
- 3.37
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Macromolecules (publishedVersion)
- Funders
- Narodowe Centrum Nauki (UMO-2014/14/A/ST5/00204)
- National Natural Science Foundation of China (51273022)
- Division of Materials Research (DMR 1501324)
- Topics
- Physical Sciences › Chemistry › Organic Chemistry › Advanced Polymer Synthesis and Characterization
- Physical Sciences › Materials Science › Materials Chemistry › Block Copolymer Self-Assembly
- Physical Sciences › Materials Science › Biomaterials › biodegradable polymer synthesis and properties
- Keywords
- star block copolymers, arm-first synthesis, activators regenerated by electron transfer, ARGET ATRP, atom transfer radical polymerization, macroinitiator, divinylbenzene crosslinking, molecular weight distribution
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