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Longo A, Dal Poggetto G, Malinconico M, Laurienzo P, Di Maio E, Di Lorenzo ML. Enhancement of crystallization kinetics of poly(l-lactic acid) by grafting with optically pure branches. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.123852] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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2
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Sarapas JM, Martin TB, Chremos A, Douglas JF, Beers KL. Bottlebrush polymers in the melt and polyelectrolytes in solution share common structural features. Proc Natl Acad Sci U S A 2020; 117:5168-5175. [PMID: 32094183 PMCID: PMC7071916 DOI: 10.1073/pnas.1916362117] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Uncharged bottlebrush polymer melts and highly charged polyelectrolytes in solution exhibit correlation peaks in scattering measurements and simulations. Given the striking superficial similarities of these scattering features, there may be a deeper structural interrelationship in these chemically different classes of materials. Correspondingly, we constructed a library of isotopically labeled bottlebrush molecules and measured the bottlebrush correlation peak position [Formula: see text] by neutron scattering and in simulations. We find that the correlation length scales with the backbone concentration, [Formula: see text], in striking accord with the scaling of ξ with polymer concentration cP in semidilute polyelectrolyte solutions [Formula: see text] The bottlebrush correlation peak broadens with decreasing grafting density, similar to increasing salt concentration in polyelectrolyte solutions. ξ also scales with sidechain length to a power in the range of 0.35-0.44, suggesting that the sidechains are relatively collapsed in comparison to the bristlelike configurations often imagined for bottlebrush polymers.
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Affiliation(s)
- Joel M Sarapas
- Materials Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899
| | - Tyler B Martin
- Materials Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899
| | - Alexandros Chremos
- Materials Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899
| | - Jack F Douglas
- Materials Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899
| | - Kathryn L Beers
- Materials Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899
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Neary WJ, Fultz BA, Kennemur JG. Well-Defined and Precision-Grafted Bottlebrush Polypentenamers from Variable Temperature ROMP and ATRP. ACS Macro Lett 2018; 7:1080-1086. [PMID: 35632939 DOI: 10.1021/acsmacrolett.8b00576] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Polypentenamer macroinitiators are synthesized through variable temperature ring opening metathesis polymerization of 3-cyclopentenyl α-bromoisobutyrate, which has sufficient ring strain (ΔHp = -22.6 kJ mol-1) to produce targeted molar mass (<5% from theoretical), low dispersity (1.17 ≤ Đ ≤ 1.23), and high conversion (∼72%). An initiation site for atom-transfer radical polymerization at every fifth backbone carbon allows "grafting-from" of styrene with quantitative initiation and linear molar mass increase with time. These bottlebrushes retain a low dispersity (Đ ≤ 1.34) at varying graft degrees of polymerization (5 ≤ Nsc ≤ 49) and have a glass transition temperature highly sensitized to graft length. Extension of the grafts with methyl methacrylate produces a core-shell brush polymer with high molar mass (>1000 kg mol-1) and Đ = 1.33. This system exhibits high synthetic versatility and control with a unique flexible backbone to expand the suite of densely grafted polymers.
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Affiliation(s)
- William J. Neary
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States
| | - Brandon A. Fultz
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States
| | - Justin G. Kennemur
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States
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4
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Lye DS, Xia Y, Wong MZ, Wang Y, Nieh MP, Weck M. ABC Supramolecular Triblock Copolymer by ROMP and ATRP. Macromolecules 2017. [DOI: 10.1021/acs.macromol.7b00169] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Diane S. Lye
- Molecular
Design Institute and Department of Chemistry, New York University, New York, New York 10003, United States
| | - Yan Xia
- Department
of Chemical and Biomolecular Engineering, University of Connecticut, Storrs, Connecticut 06269, United States
- Polymer
Program, Institute of Materials Science, University of Connecticut, Storrs, Connecticut 06269, United States
- Department
of Biomedical Engineering, University of Connecticut, Storrs, Connecticut 06269, United States
| | - Madeleine Z. Wong
- Molecular
Design Institute and Department of Chemistry, New York University, New York, New York 10003, United States
| | - Yufeng Wang
- Department
of Chemical and Biomolecular Engineering, University of Connecticut, Storrs, Connecticut 06269, United States
- Polymer
Program, Institute of Materials Science, University of Connecticut, Storrs, Connecticut 06269, United States
- Department
of Biomedical Engineering, University of Connecticut, Storrs, Connecticut 06269, United States
| | - Mu-Ping Nieh
- Department
of Chemical and Biomolecular Engineering, University of Connecticut, Storrs, Connecticut 06269, United States
- Polymer
Program, Institute of Materials Science, University of Connecticut, Storrs, Connecticut 06269, United States
- Department
of Biomedical Engineering, University of Connecticut, Storrs, Connecticut 06269, United States
| | - Marcus Weck
- Molecular
Design Institute and Department of Chemistry, New York University, New York, New York 10003, United States
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5
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Wang D, Zhang Z, Hadjichristidis N. C1 polymerization: a unique tool towards polyethylene-based complex macromolecular architectures. Polym Chem 2017. [DOI: 10.1039/c7py00581d] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The recent developments in organoborane initiated C1 polymerization of ylides open unique horizons towards perfectly linear polymethylenes (equivalent to PE) and PE-based complex structures. This review summarizes research on conventional and newly discovered initiators/ylides, as well as initial efforts on C3 polymerization.
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Affiliation(s)
- De Wang
- King Abdullah University of Science and Technology (KAUST)
- KAUST Catalysis Center
- Physical Sciences and Engineering Division
- Polymer Synthesis Laboratory
- Thuwal 23955-6900
| | - Zhen Zhang
- King Abdullah University of Science and Technology (KAUST)
- KAUST Catalysis Center
- Physical Sciences and Engineering Division
- Polymer Synthesis Laboratory
- Thuwal 23955-6900
| | - Nikos Hadjichristidis
- King Abdullah University of Science and Technology (KAUST)
- KAUST Catalysis Center
- Physical Sciences and Engineering Division
- Polymer Synthesis Laboratory
- Thuwal 23955-6900
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6
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Qiu B, Chen F, Shangguan Y, Lin Y, Zheng Q, Wang X. Toughening mechanism in impact polypropylene copolymer containing a β-nucleating agent. RSC Adv 2016. [DOI: 10.1039/c6ra01046f] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The voids in β-nucleated IPC could help to ease craze formation and multiply shear yielding while extensive stress whitening phenomenon appears in neat IPC.
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Affiliation(s)
- Biwei Qiu
- School of Materials Science and Engineering
- University of Shanghai for Science and Technology
- Shanghai 200093
- People's Republic of China
| | - Feng Chen
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- People's Republic of China
| | - Yonggang Shangguan
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- People's Republic of China
| | - Yu Lin
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- People's Republic of China
| | - Qiang Zheng
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- People's Republic of China
| | - Xia Wang
- School of Materials Science and Engineering
- University of Shanghai for Science and Technology
- Shanghai 200093
- People's Republic of China
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Li N, Liu W, Xu L, Xu J, Du J. Synthesis of High-Molecular-Weight Brush Polymers via RAFT Polymerization within the Micellar Nanoreactor of a PEG-Based Macromonomer. MACROMOL CHEM PHYS 2014. [DOI: 10.1002/macp.201400379] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Na Li
- Hunan Key Laboratory of Green Packaging and Application of Biological Nanotechnology; Hunan University of Technology; Zhuzhou 412007 PR China
- Economical Forest Cultivation and Utilization of 2011 Collaborative Innovation Center in Hunan Province; Central South University of Forest and Technology; Changsha 410004 PR China
| | - Weiwei Liu
- Hunan Key Laboratory of Green Packaging and Application of Biological Nanotechnology; Hunan University of Technology; Zhuzhou 412007 PR China
| | - Lijian Xu
- Hunan Key Laboratory of Green Packaging and Application of Biological Nanotechnology; Hunan University of Technology; Zhuzhou 412007 PR China
- Economical Forest Cultivation and Utilization of 2011 Collaborative Innovation Center in Hunan Province; Central South University of Forest and Technology; Changsha 410004 PR China
| | - Jianxiong Xu
- Hunan Key Laboratory of Green Packaging and Application of Biological Nanotechnology; Hunan University of Technology; Zhuzhou 412007 PR China
- Economical Forest Cultivation and Utilization of 2011 Collaborative Innovation Center in Hunan Province; Central South University of Forest and Technology; Changsha 410004 PR China
- College of Chemistry; Xiangtan University; Hunan Province Xiangtan 411105 PR China
| | - Jingjing Du
- Hunan Key Laboratory of Green Packaging and Application of Biological Nanotechnology; Hunan University of Technology; Zhuzhou 412007 PR China
- Economical Forest Cultivation and Utilization of 2011 Collaborative Innovation Center in Hunan Province; Central South University of Forest and Technology; Changsha 410004 PR China
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Kinder S, Komber H, Jehnichen D, Häussler L, Böhme F, Garaleh M, Pospiech D, Voit B, Schulze U. Synthesis and Characterization of Comb-Like Copolymers Based on Poly(ε-caprolactone) and Poly(α-olefin). MACROMOL CHEM PHYS 2014. [DOI: 10.1002/macp.201300695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Sabina Kinder
- Leibniz-Institut für Polymerforschung Dresden e. V.; Hohe Str. 6 01069 Dresden Germany
- Department of Organic Chemistry of Polymers; Technische Universität Dresden; 01062 Dresden Germany
| | - Hartmut Komber
- Leibniz-Institut für Polymerforschung Dresden e. V.; Hohe Str. 6 01069 Dresden Germany
| | - Dieter Jehnichen
- Leibniz-Institut für Polymerforschung Dresden e. V.; Hohe Str. 6 01069 Dresden Germany
| | - Liane Häussler
- Leibniz-Institut für Polymerforschung Dresden e. V.; Hohe Str. 6 01069 Dresden Germany
| | - Frank Böhme
- Leibniz-Institut für Polymerforschung Dresden e. V.; Hohe Str. 6 01069 Dresden Germany
| | - Mazen Garaleh
- Department of Applied Chemistry; Tafila Technical University; Tafila 66110 Jordan
| | - Doris Pospiech
- Leibniz-Institut für Polymerforschung Dresden e. V.; Hohe Str. 6 01069 Dresden Germany
| | - Brigitte Voit
- Leibniz-Institut für Polymerforschung Dresden e. V.; Hohe Str. 6 01069 Dresden Germany
- Department of Organic Chemistry of Polymers; Technische Universität Dresden; 01062 Dresden Germany
| | - Ulrich Schulze
- Leibniz-Institut für Polymerforschung Dresden e. V.; Hohe Str. 6 01069 Dresden Germany
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Zhang H, Gnanou Y, Hadjichristidis N. Well-defined polyethylene molecular brushes by polyhomologation and ring opening metathesis polymerization. Polym Chem 2014. [DOI: 10.1039/c4py00815d] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Well-defined polyethylene molecular brushes were synthesized, for the first time, by combining polyhomologation and ring opening metathesis polymerization (ROMP).
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Affiliation(s)
- Hefeng Zhang
- Physical Sciences and Engineering Division
- Catalysis Center
- Polymer Synthesis Laboratory
- King Abdullah University of Science and Technology
- Thuwal 23955, Saudi Arabia
| | - Yves Gnanou
- Physical Sciences and Engineering Division
- King Abdullah University of Science and Technology (KAUST)
- Thuwal 23955, Saudi Arabia
| | - Nikos Hadjichristidis
- Physical Sciences and Engineering Division
- Catalysis Center
- Polymer Synthesis Laboratory
- King Abdullah University of Science and Technology
- Thuwal 23955, Saudi Arabia
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