1
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Clarke BR, Witt CL, Ilton M, Crosby AJ, Watkins JJ, Tew GN. Bottlebrush Networks: A Primer for Advanced Architectures. Angew Chem Int Ed Engl 2024; 63:e202318220. [PMID: 38588310 DOI: 10.1002/anie.202318220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 03/28/2024] [Accepted: 04/02/2024] [Indexed: 04/10/2024]
Abstract
Bottlebrush networks (BBNs) are an exciting new class of materials with interesting physical properties derived from their unique architecture. While great strides have been made in our fundamental understanding of bottlebrush polymers and networks, an interdisciplinary approach is necessary for the field to accelerate advancements. This review aims to act as a primer to BBN chemistry and physics for both new and current members of the community. In addition to providing an overview of contemporary BBN synthetic methods, we developed a workflow and desktop application (LengthScale), enabling bottlebrush physics to be more approachable. We conclude by addressing several topical issues and asking a series of pointed questions to stimulate conversation within the community.
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Affiliation(s)
- Brandon R Clarke
- University of Massachusetts Amherst, Amherst, Massachusetts, 01003, United States
| | - Connor L Witt
- University of Massachusetts Amherst, Amherst, Massachusetts, 01003, United States
| | - Mark Ilton
- Department of Physics, Harvey Mudd College, Claremont, CA 91711, United States
| | - Alfred J Crosby
- University of Massachusetts Amherst, Amherst, Massachusetts, 01003, United States
| | - James J Watkins
- University of Massachusetts Amherst, Amherst, Massachusetts, 01003, United States
| | - Gregory N Tew
- University of Massachusetts Amherst, Amherst, Massachusetts, 01003, United States
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2
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Nikitina EA, Dashtimoghadam E, Sheiko SS, Ivanov DA. Bottlebrush Elastomers with Crystallizable Side Chains: Monolayer-like Structure of Backbones Segregated in Intercrystalline Regions. Polymers (Basel) 2024; 16:296. [PMID: 38276704 PMCID: PMC10819367 DOI: 10.3390/polym16020296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/10/2024] [Accepted: 01/16/2024] [Indexed: 01/27/2024] Open
Abstract
Bottlebrush (BB) elastomers with water-soluble side chains and tissue-mimetic mechanical properties are promising for biomedical applications like tissue implants and drug depots. This work investigates the microstructure and phase transitions of BB elastomers with crystallizable polyethylene oxide (PEO) side chains by real-time synchrotron X-ray scattering. In the melt, the elastomers exhibit the characteristic BB peak corresponding to the backbone-to-backbone correlation. This peak is a distinct feature of BB systems and is observable in small- or medium-angle X-ray scattering curves. In the systems studied, the position of the BB peak ranges from 3.6 to 4.8 nm in BB elastomers. This variation is associated with the degree of polymerization of the polyethylene oxide (PEO) side chains, which ranges from 19 to 40. Upon crystallization of the side chains, the intensity of the peak decays linearly with crystallinity and eventually vanishes due to BB packing disordering within intercrystalline amorphous gaps. This behavior of the bottlebrush peak differs from an earlier study of BBs with poly(ε-caprolactone) side chains, explained by stronger backbone confinement in the case of PEO, a high-crystallinity polymer. Microstructural models based on 1D SAXS correlation function analysis suggest crystalline lamellae of PEO side chains separated by amorphous gaps of monolayer-like BB backbones.
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Affiliation(s)
- Evgeniia A. Nikitina
- Faculty of Chemistry, Lomonosov Moscow State University (MSU), GSP-1, 1-3 Leninskiye Gory, 119991 Moscow, Russia
| | - Erfan Dashtimoghadam
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3290, USA
| | - Sergei S. Sheiko
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3290, USA
| | - Dimitri A. Ivanov
- Faculty of Chemistry, Lomonosov Moscow State University (MSU), GSP-1, 1-3 Leninskiye Gory, 119991 Moscow, Russia
- Scientific Center for Genetics and Life Sciences, Sirius University of Science and Technology, 1 Olympic Ave, 354340 Sochi, Russia
- Institut de Sciences des Matériaux de Mulhouse-IS2M, CNRS UMR 7361, F-68057 Mulhouse, France
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3
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Huang Y, Zhao C, Zhang B, Li H, Zhao J. Marriage of Organic and Grubbs Catalysts for Tandem Synthesis of Bottlebrush Polyesters. ACS Macro Lett 2023; 12:1711-1717. [PMID: 38039396 DOI: 10.1021/acsmacrolett.3c00695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2023]
Abstract
Bottlebrush polymers (BBPs) have gained wide attention for their special characters, such as rigid main/side chains, stemming from the exceedingly high graft density. This study aims to provide a simple synthetic approach to BBPs with polyester side chains by merging ring-opening alternating copolymerization (ROAP) and ring-opening metathesis polymerization (ROMP). A simple phosphazene base (tBuP1) is employed for the ROAP of phthalic anhydride and epoxide, after which Grubbs third-generation catalyst (G3) is added to in situ switch on ROMP of the macromonomer, i.e., norbornenyl-ended alternating polyester. The compatibility of tBuP1 with G3 and well-controlled ROMP is evidenced by DOSY-NMR of mixed catalysts, characterization of BBPs, and side-chain degradation. The method can also be extended to BBPs with one-step synthesized block copolyesters side chains. These results highlight the strength of the non-nucleophilic organobase catalyst for convenient construction of complex (degradable) polymers with compositional diversity.
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Affiliation(s)
- Yuan Huang
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, People's Republic of China
| | - Chenke Zhao
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, People's Republic of China
| | - Boru Zhang
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, People's Republic of China
| | - Heng Li
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, People's Republic of China
- College of Chemistry and Key Laboratory of Advanced Organic Functional Materials of Colleges and Universities of Hunan Province, Xiangtan University, Xiangtan 411105, People's Republic of China
| | - Junpeng Zhao
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, People's Republic of China
- Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, People's Republic of China
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4
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Husted KL, Herzog-Arbeitman A, Kleinschmidt D, Zhang W, Sun Z, Fielitz AJ, Le AN, Zhong M, Johnson JA. Pendant Group Modifications Provide Graft Copolymer Silicones with Exceptionally Broad Thermomechanical Properties. ACS Cent Sci 2023; 9:36-47. [PMID: 36712487 PMCID: PMC9881205 DOI: 10.1021/acscentsci.2c01246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Indexed: 06/18/2023]
Abstract
Graft copolymers offer a versatile platform for the design of self-assembling materials; however, simple strategies for precisely and independently controlling the thermomechanical and morphological properties of graft copolymers remain elusive. Here, using a library of 92 polynorbornene-graft-polydimethylsiloxane (PDMS) copolymers, we discover a versatile backbone-pendant sequence-control strategy that addresses this challenge. Small structural variations of pendant groups, e.g., cyclohexyl versus n-hexyl, of small-molecule comonomers have dramatic impacts on order-to-disorder transitions, glass transitions, mechanical properties, and morphologies of statistical and block silicone-based graft copolymers, providing an exceptionally broad palette of designable materials properties. For example, statistical graft copolymers with high PDMS volume fractions yielded unbridged body-centered cubic morphologies that behaved as soft plastic crystals. By contrast, lamellae-forming graft copolymers provided robust, yet reprocessable silicone thermoplastics (TPs) with transition temperatures spanning over 160 °C and elastic moduli as high as 150 MPa despite being both unentangled and un-cross-linked. Altogether, this study reveals a new pendant-group-mediated self-assembly strategy that simplifies graft copolymer synthesis and enables access to a diverse family of silicone-based materials, setting the stage for the broader development of self-assembling materials with tailored performance specifications.
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Affiliation(s)
- Keith
E. L. Husted
- Department
of Chemistry, Massachusetts Institute of
Technology, Cambridge, Massachusetts 02139, United States
| | - Abraham Herzog-Arbeitman
- Department
of Chemistry, Massachusetts Institute of
Technology, Cambridge, Massachusetts 02139, United States
| | - Denise Kleinschmidt
- Department
of Chemistry, Massachusetts Institute of
Technology, Cambridge, Massachusetts 02139, United States
| | - Wenxu Zhang
- Department
of Chemistry, Massachusetts Institute of
Technology, Cambridge, Massachusetts 02139, United States
| | - Zehao Sun
- Department
of Materials Science and Engineering, Massachusetts
Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Alyssa J. Fielitz
- Core
R&D, Analytical Science, The Dow Chemical
Company, Midland, Michigan 48640, United States
| | - An N. Le
- Department
of Chemical and Environmental Engineering, Yale University, New Haven, Connecticut 06520, United States
| | - Mingjiang Zhong
- Department
of Chemical and Environmental Engineering, Yale University, New Haven, Connecticut 06520, United States
| | - Jeremiah A. Johnson
- Department
of Chemistry, Massachusetts Institute of
Technology, Cambridge, Massachusetts 02139, United States
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5
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Briceno ES, Stephen K, Hobbs CE. Postpolymerization modification of a sulfonyl fluoride‐decorated polynorbornene using the sulfur‐fluoride exchange click reaction. Journal of Polymer Science 2022. [DOI: 10.1002/pol.20220409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Edward S. Briceno
- Department of Chemistry Sam Houston State University Huntsville Texas USA
| | - Katrina Stephen
- Department of Chemistry Sam Houston State University Huntsville Texas USA
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6
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Ogbonna N, Dearman M, Cho CT, Bharti B, Peters AJ, Lawrence J. Topologically Precise and Discrete Bottlebrush Polymers: Synthesis, Characterization, and Structure-Property Relationships. JACS Au 2022; 2:898-905. [PMID: 35557765 PMCID: PMC9088296 DOI: 10.1021/jacsau.2c00010] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 03/06/2022] [Accepted: 03/07/2022] [Indexed: 05/17/2023]
Abstract
As the complexity of polymer structure grows, so do the challenges for developing an accurate understanding of their structure-property relationships. Here, the synthesis of bottlebrush polymers with topologically precise and fully discrete structures is reported. A key feature of the strategy is the synthesis of discrete macromonomer libraries for their polymerization into topologically precise bottlebrushes that can be separated into discrete bottlebrushes (Đ = 1.0). As the system becomes more discrete, packing efficiency increases, distinct three-phase Langmuir-Blodgett isotherms are observed, and its glass transition temperature becomes responsive to side-chain sequence. Overall, this work presents a versatile strategy to access a range of precision bottlebrush polymers and unravels the impact of side-chain topology on their macroscopic properties. Precise control over side chains opens a pathway for tailoring polymer properties without changing their chemical makeup.
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Affiliation(s)
- Nduka
D. Ogbonna
- Department
of Chemical Engineering, Louisiana State
University, Baton
Rouge, Louisiana 70803, United States
| | - Michael Dearman
- Department
of Chemical Engineering, Louisiana State
University, Baton
Rouge, Louisiana 70803, United States
| | - Cheng-Ta Cho
- Department
of Chemical Engineering, Louisiana State
University, Baton
Rouge, Louisiana 70803, United States
| | - Bhuvnesh Bharti
- Department
of Chemical Engineering, Louisiana State
University, Baton
Rouge, Louisiana 70803, United States
| | - Andrew J. Peters
- Department
of Chemical Engineering, Louisiana Tech
University, Ruston, Louisiana 71272, United States
| | - Jimmy Lawrence
- Department
of Chemical Engineering, Louisiana State
University, Baton
Rouge, Louisiana 70803, United States
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7
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Abstract
Molecular polymer bottlebrushes are densely grafted, individual macromolecules with nanoscale proportions. The last decade has seen an increased focus on this material class, especially in nanomedicine and for biomedical applications. This Feature Article provides an overview of major developments in this area to highlight the many opportunities that these polymer architectures bring to nano-bio research. The article covers aspects of bottlebrush synthesis and summarises their use in drug and gene delivery, imaging, as theranostics and as prototype materials to correlate nanoparticle structure and composition to biological function and behaviour. Areas for future research in this area are discussed.
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Affiliation(s)
- Markus Müllner
- Key Centre for Polymers and Colloids, School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia. .,The University of Sydney Nano Institute (Sydney Nano), Sydney, NSW 2006, Australia
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8
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Li Z, Tang M, Liang S, Zhang M, Biesold GM, He Y, Hao S, Choi W, Liu Y, Peng J, Lin Z. Bottlebrush polymers: From controlled synthesis, self-assembly, properties to applications. Prog Polym Sci 2021; 116:101387. [DOI: 10.1016/j.progpolymsci.2021.101387] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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9
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Sun G, Huang Y, Li D, Fan Q, Xu J, Shao J. Blue Light Induced Photopolymerization and Cross-Linking Kinetics of Poly(acrylamide) Hydrogels. Langmuir 2020; 36:11676-11684. [PMID: 32969661 DOI: 10.1021/acs.langmuir.0c02560] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Blue light induced photopolymerization and photo-cross-linking kinetics of acrylamide (AM), with camphorquinone/diphenyl iodonium hexafluorophosphate (CQ/DPI) as photoinitiators, were investigated. The effects of a number of parameters, including mass fraction of CQ, DPI, and AM (wCQ, wDPI, and wAM) and light intensity (I), on photopolymerization efficiency and photogelation process were systematically studied by photo-differential scanning calorimetry (DSC) and photo-rheometry. Photo-DSC indicated that the maximum photopolymerization rate (Rp, max) was proportional to wCQ0.5, wDPI0.5, I0.5, and wAM, while Photo-Rheometry showed linear relationships between gel time tgel and wCQ and I, respectively, and power law relationships between tgel and wDPI and wAM, respectively. In addition, both peak cross-linking rate Rc,max, and delay time td, which were both linearly proportional to wCQ0.5, wDPI0.5, and I0.5, showed power law relationships with wAM. Furthermore, exponential patterns were observed between all these factors, wCQ, wDPI, wAM, and I and plateau modulus G'∞. Combining such correlations obtained from experimental data, an empirical model was established describing the projected mechanical properties of poly(acrylamide) hydrogels from blue light initiated photopolymerization and photo-cross-linking.
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Affiliation(s)
- Guangdong Sun
- Engineering Research Center for Eco-Dyeing and Finishing of Textiles, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, P. R. China
| | - Yi Huang
- Engineering Research Center for Eco-Dyeing and Finishing of Textiles, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, P. R. China
| | - Dapeng Li
- Department of Bioengineering, University of Massachusetts Dartmouth, North Dartmouth, Massachusetts 02747, United States
| | - Qinguo Fan
- Department of Bioengineering, University of Massachusetts Dartmouth, North Dartmouth, Massachusetts 02747, United States
| | - Jin Xu
- Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University, Wuxi 214122, P. R. China
| | - Jianzhong Shao
- Engineering Research Center for Eco-Dyeing and Finishing of Textiles, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, P. R. China
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10
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11
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Mukherjee S, Xie R, Reynolds VG, Uchiyama T, Levi AE, Valois E, Wang H, Chabinyc ML, Bates CM. Universal Approach to Photo-Crosslink Bottlebrush Polymers. Macromolecules 2020. [DOI: 10.1021/acs.macromol.9b02210] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Sanjoy Mukherjee
- Materials Research Laboratory, University of California Santa Barbara, Santa Barbara, California 93106, United States
- Mitsubishi Center for Advanced Materials, University of California Santa Barbara, Santa Barbara, California 93106, United States
| | - Renxuan Xie
- Materials Research Laboratory, University of California Santa Barbara, Santa Barbara, California 93106, United States
- Mitsubishi Center for Advanced Materials, University of California Santa Barbara, Santa Barbara, California 93106, United States
| | - Veronica G. Reynolds
- Materials Department, University of California Santa Barbara, Santa Barbara, California 93106, United States
- Mitsubishi Center for Advanced Materials, University of California Santa Barbara, Santa Barbara, California 93106, United States
| | - Takumi Uchiyama
- Department of Materials Science and Engineering, Tokyo Institute of Technology, Tokyo 152-8552, Japan
| | - Adam E. Levi
- Department of Chemistry and Biochemistry, University of California Santa Barbara, Santa Barbara, California 93106, United States
- Mitsubishi Center for Advanced Materials, University of California Santa Barbara, Santa Barbara, California 93106, United States
| | - Eric Valois
- Biomolecular Science and Engineering Graduate Program, University of California Santa Barbara, Santa Barbara, California 93106, United States
| | - Hengbin Wang
- Mitsubishi Center for Advanced Materials, University of California Santa Barbara, Santa Barbara, California 93106, United States
| | - Michael L. Chabinyc
- Materials Department, University of California Santa Barbara, Santa Barbara, California 93106, United States
- Mitsubishi Center for Advanced Materials, University of California Santa Barbara, Santa Barbara, California 93106, United States
| | - Christopher M. Bates
- Materials Department, University of California Santa Barbara, Santa Barbara, California 93106, United States
- Department of Chemistry and Biochemistry, University of California Santa Barbara, Santa Barbara, California 93106, United States
- Department of Chemical Engineering, University of California Santa Barbara, Santa Barbara, California 93106, United States
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12
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Cuthbert J, Zhang T, Biswas S, Olszewski M, Shanmugam S, Fu T, Gottlieb E, Kowalewski T, Balazs AC, Matyjaszewski K. Structurally Tailored and Engineered Macromolecular (STEM) Gels as Soft Elastomers and Hard/Soft Interfaces. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b01880] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Julia Cuthbert
- Department of Chemistry, Center for Macromolecular Engineering, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Tao Zhang
- Chemical Engineering Department, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, United States
| | - Santidan Biswas
- Chemical Engineering Department, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, United States
| | - Mateusz Olszewski
- Department of Chemistry, Center for Macromolecular Engineering, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Sivaprakash Shanmugam
- Department of Chemistry, Center for Macromolecular Engineering, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Travis Fu
- Department of Chemistry, Center for Macromolecular Engineering, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Eric Gottlieb
- Department of Chemistry, Center for Macromolecular Engineering, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Tomasz Kowalewski
- Department of Chemistry, Center for Macromolecular Engineering, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Anna C. Balazs
- Chemical Engineering Department, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, United States
| | - Krzysztof Matyjaszewski
- Department of Chemistry, Center for Macromolecular Engineering, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
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13
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Abstract
Atom transfer radical polymerization (ATRP) has been successfully employed for the preparation of various advanced materials with controlled architecture. New catalysts with strongly enhanced activity permit more environmentally benign ATRP procedures using ppm levels of catalyst. Precise control over polymer composition, topology, and incorporation of site specific functionality enables synthesis of well-defined gradient, block, comb copolymers, polymers with (hyper)branched structures including stars, densely grafted molecular brushes or networks, as well as inorganic-organic hybrid materials and bioconjugates. Examples of specific applications of functional materials include thermoplastic elastomers, nanostructured carbons, surfactants, dispersants, functionalized surfaces, and biorelated materials.
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14
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Iuster N, Tairy O, Driver MJ, Armes SP, Klein J. Cross-Linking Highly Lubricious Phosphocholinated Polymer Brushes: Effect on Surface Interactions and Frictional Behavior. Macromolecules 2017. [DOI: 10.1021/acs.macromol.7b01423] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Noa Iuster
- Department
of Materials and Interfaces, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Odeya Tairy
- Department
of Materials and Interfaces, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Michael J. Driver
- Vertellus Biomaterials,
Vertellus Specialties UK Ltd., Basingstoke, Hampshire RG25 2PH, U.K
| | - Steven P. Armes
- Department
of Chemistry, University of Sheffield, Sheffield S3 7HF, U.K
| | - Jacob Klein
- Department
of Materials and Interfaces, Weizmann Institute of Science, Rehovot 76100, Israel
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15
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Jiang N, Cheng Y, Wei J. Coumarin-modified fluorescent microcapsules and their photo-switchable release property. Colloids Surf A Physicochem Eng Asp 2017. [DOI: 10.1016/j.colsurfa.2017.02.077] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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16
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Müllner M, Müller AH. Cylindrical polymer brushes – Anisotropic building blocks, unimolecular templates and particulate nanocarriers. POLYMER 2016; 98:389-401. [DOI: 10.1016/j.polymer.2016.03.076] [Citation(s) in RCA: 115] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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17
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Xiao L, Chen Y, Zhang K. Efficient Metal-Free “Grafting Onto” Method for Bottlebrush Polymers by Combining RAFT and Triazolinedione–Diene Click Reaction. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b00782] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Lifen Xiao
- State
Key Laboratory of Polymer Physics and Chemistry, Institute of Chemistry, The Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Yongming Chen
- Key
Laboratory for Polymeric Composite and Functional Materials of Ministry
of Education, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China
| | - Ke Zhang
- State
Key Laboratory of Polymer Physics and Chemistry, Institute of Chemistry, The Chinese Academy of Sciences, Beijing 100190, P. R. China
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18
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Li Y, Niu Z, Burdyńska J, Nese A, Zhou Y, Kean ZS, Dobrynin AV, Matyjaszewski K, Craig SL, Sheiko SS. Sonication-induced scission of molecular bottlebrushes: Implications of the “hairy” architecture. POLYMER 2016. [DOI: 10.1016/j.polymer.2015.12.044] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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19
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Song C, Yu S, Liu C, Deng Y, Xu Y, Chen X, Dai L. Preparation of thermo-responsive graft copolymer by using a novel macro-RAFT agent and its application for drug delivery. Mater Sci Eng C Mater Biol Appl 2016; 62:45-52. [PMID: 26952396 DOI: 10.1016/j.msec.2016.01.026] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2015] [Revised: 11/19/2015] [Accepted: 01/11/2016] [Indexed: 11/29/2022]
Abstract
A methodology to prepare thermo-responsive graft copolymer by using a novel macro-RAFT agent was proposed. The macro-RAFT agent with pendant dithioester (ZC(S)SR) was facilely prepared via the combination of RAFT polymerization and esterification reaction. By means of ZC(S)SR-initiated RAFT polymerization, the thermo-responsive graft copolymer consisting of poly(methyl methacrylate-co-hydroxylethyl methacrylate) (P(MMA-co-HEMA)) backbone and hydrophilic poly(N-isopropylacrylamide) (PNIPAAm) side chains was constructed through the "grafting from" approach. The chemical compositions and molecular weight distributions of the synthesized polymers were respectively characterized by (1)H nuclear magnetic resonance ((1)H NMR) and gel permeation chromatography (GPC). Self-assembly behavior of the amphiphilic graft copolymers (P(MMA-co-HEMA)-g-PNIPAAm) was studied by transmission electron microscopy (TEM), dynamic light scattering (DLS) and spectrofluorimeter. The critical micelle concentration (CMC) value was 0.052 mg mL(-1). These micelles have thermo-responsibility and a low critical solution temperature (LCST) of 33.5°C. Further investigation indicated that the guest molecule release property of these micelles, which can be well described by a first-order kinetic model, was significantly affected by temperature. Besides, the micelles exhibited excellent biocompatibility and cellular uptake property. Hence, these micelles are considered to have potential application in controlled drug delivery.
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Affiliation(s)
- Cunfeng Song
- Department of Materials Science and Engineering, College of Materials, Xiamen University, Xiamen 361005, China
| | - Shirong Yu
- Department of Materials Science and Engineering, College of Materials, Xiamen University, Xiamen 361005, China
| | - Cheng Liu
- Department of Materials Science and Engineering, College of Materials, Xiamen University, Xiamen 361005, China; Fujian Provincial Key Laboratory of Fire Retardant Materials, Xiamen University, Xiamen 361005, China
| | - Yuanming Deng
- Department of Materials Science and Engineering, College of Materials, Xiamen University, Xiamen 361005, China; Fujian Provincial Key Laboratory of Fire Retardant Materials, Xiamen University, Xiamen 361005, China
| | - Yiting Xu
- Department of Materials Science and Engineering, College of Materials, Xiamen University, Xiamen 361005, China; Fujian Provincial Key Laboratory of Fire Retardant Materials, Xiamen University, Xiamen 361005, China
| | - Xiaoling Chen
- Department of Endodontics, Xiamen Stomatology Hospital, Teaching Hospital of Fujian Medical University, Xiamen 361003, China.
| | - Lizong Dai
- Department of Materials Science and Engineering, College of Materials, Xiamen University, Xiamen 361005, China; Fujian Provincial Key Laboratory of Fire Retardant Materials, Xiamen University, Xiamen 361005, China.
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20
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Boyer C, Corrigan NA, Jung K, Nguyen D, Nguyen TK, Adnan NNM, Oliver S, Shanmugam S, Yeow J. Copper-Mediated Living Radical Polymerization (Atom Transfer Radical Polymerization and Copper(0) Mediated Polymerization): From Fundamentals to Bioapplications. Chem Rev 2015; 116:1803-949. [DOI: 10.1021/acs.chemrev.5b00396] [Citation(s) in RCA: 356] [Impact Index Per Article: 39.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Cyrille Boyer
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Nathaniel Alan Corrigan
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Kenward Jung
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Diep Nguyen
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Thuy-Khanh Nguyen
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Nik Nik M. Adnan
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Susan Oliver
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Sivaprakash Shanmugam
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Jonathan Yeow
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
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Jiang X, Wu J, Zhang L, Cheng Z, Zhu X. A Facile Strategy for Catalyst Separation and Recycling Suitable for ATRP of Hydrophilic Monomers Using a Macroligand. Macromol Rapid Commun 2015; 37:143-8. [DOI: 10.1002/marc.201500439] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Revised: 09/03/2015] [Indexed: 12/23/2022]
Affiliation(s)
- Xiaowu Jiang
- Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application Department of Polymer Science and Engineering College of Chemistry Chemical Engineering and Materials Science Soochow University Suzhou 215123 China
| | - Jian Wu
- Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application Department of Polymer Science and Engineering College of Chemistry Chemical Engineering and Materials Science Soochow University Suzhou 215123 China
| | - Lifen Zhang
- Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application Department of Polymer Science and Engineering College of Chemistry Chemical Engineering and Materials Science Soochow University Suzhou 215123 China
| | - Zhenping Cheng
- Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application Department of Polymer Science and Engineering College of Chemistry Chemical Engineering and Materials Science Soochow University Suzhou 215123 China
| | - Xiulin Zhu
- Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application Department of Polymer Science and Engineering College of Chemistry Chemical Engineering and Materials Science Soochow University Suzhou 215123 China
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