1
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De Bon F, Fantin M, Pereira VA, Lourenço Bernardino TJ, Serra AC, Matyjaszewski K, Coelho JFJ. Electrochemically Mediated Atom Transfer Radical Polymerization Driven by Alternating Current. Angew Chem Int Ed Engl 2024; 63:e202406484. [PMID: 38647172 DOI: 10.1002/anie.202406484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Accepted: 04/22/2024] [Indexed: 04/25/2024]
Abstract
Alternating current (AC) and pulsed electrolysis are gaining traction in electro(organic) synthesis due to their advantageous characteristics. We employed AC electrolysis in electrochemically mediated Atom Transfer Radical Polymerization (eATRP) to facilitate the regeneration of the activator CuI complex on Cu0 electrodes. Additionally, Cu0 served as a slow supplemental activator and reducing agent (SARA ATRP), enabling the activation of alkyl halides and the regeneration of the CuI activator through a comproportionation reaction. We harnessed the distinct properties of Cu0 dual regeneration, both chemical and electrochemical, by employing sinusoidal, triangular, and square-wave AC electrolysis alongside some of the most active ATRP catalysts available. Compared to linear waveform (DC electrolysis) or SARA ATRP (without electrolysis), pulsed and AC electrolysis facilitated slightly faster and more controlled polymerizations of acrylates. The same AC electrolysis conditions could successfully polymerize eleven different monomers across different mediums, from water to bulk. Moreover, it proved effective across a spectrum of catalyst activity, from low-activity Cu/2,2-bipyridine to highly active Cu complexes with substituted tripodal amine ligands. Chain extension experiments confirmed the high chain-end fidelity of the produced polymers, yielding functional and high molecular-weight block copolymers. SEM analysis indicated the robustness of the Cu0 electrodes, sustaining at least 15 consecutive polymerizations.
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Affiliation(s)
- Francesco De Bon
- Centre for Mechanical Engineering, Materials and Processes (CEMMPRE), ARISE, Department of Chemical Engineering, University of Coimbra, Rua Sílvio Lima, Pólo II, 3030-790, Coimbra, Portugal
| | - Marco Fantin
- Department of Chemical Sciences, University of Padova, Via Marzolo 1, I-35131, Padova, Italy
| | - Vanessa A Pereira
- Centre for Mechanical Engineering, Materials and Processes (CEMMPRE), ARISE, Department of Chemical Engineering, University of Coimbra, Rua Sílvio Lima, Pólo II, 3030-790, Coimbra, Portugal
| | - Teresa J Lourenço Bernardino
- Centre for Mechanical Engineering, Materials and Processes (CEMMPRE), ARISE, Department of Chemical Engineering, University of Coimbra, Rua Sílvio Lima, Pólo II, 3030-790, Coimbra, Portugal
| | - Armenio C Serra
- Centre for Mechanical Engineering, Materials and Processes (CEMMPRE), ARISE, Department of Chemical Engineering, University of Coimbra, Rua Sílvio Lima, Pólo II, 3030-790, Coimbra, Portugal
| | - Krzysztof Matyjaszewski
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Ave, 15213, Pittsburgh, PA, USA
| | - Jorge F J Coelho
- Centre for Mechanical Engineering, Materials and Processes (CEMMPRE), ARISE, Department of Chemical Engineering, University of Coimbra, Rua Sílvio Lima, Pólo II, 3030-790, Coimbra, Portugal
- IPN, Instituto Pedro Nunes, Associação para a Inovação e Desenvolvimento em Ciência e Tecnologia, Rua Pedro Nunes, 3030-199, Coimbra, Portugal
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2
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Qiu W, Zhang J, Ma N, Kong J, Zhang X. FADH 2-mediated radical polymerization amplification for microRNA-21 detection. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 306:123548. [PMID: 37871544 DOI: 10.1016/j.saa.2023.123548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 10/12/2023] [Accepted: 10/14/2023] [Indexed: 10/25/2023]
Abstract
For early diagnosis of disease, ultrasensitive mircoRNA-21 detection has considerable potential. In this paper, an ultra-sensitive fluorescence detection method for microRNA was developed by atom transfer radical polymerization (ATRP). This ATRP reaction was first initiated by using flavin mononucleotide (FADH2). The DNA probe 1 modified with amino group was fixed on the magnetic nanoparticle Fe3O4, and microRNA-21 was added to form the probe 1-microRNA-21. Another carboxy-modified DNA 2 forms a sandwich structure with the bound microRNA-21. Two terminally modified DNA types are used as microRNA probes, using complementary base pairing to form a stable super-sandwich structure between the DNA probe and the microRNA. Under optimal conditions, microRNA was detected in PBS buffer with a detection limit of 0.19 fM. And even in 10% of human serum, microRNA-21 can be detected with a detection limit of 47.8 fM. Results show that this method has high selectivity, efficiency and stability, which broad application prospect in microRNA ultra-sensitive detection.
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Affiliation(s)
- Wenhao Qiu
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, PR China
| | - Jian Zhang
- Nanjing Lishui District Hospital of Traditional Chinese Medicine, Nanjing 211200, PR China; Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, PR China
| | - Nan Ma
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, PR China
| | - Jinming Kong
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, PR China.
| | - Xueji Zhang
- School of Biomedical Engineering, Shenzhen University Health Science Center, Shenzhen, Guangdong 518060, PR China
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3
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Sahu B, Sinha P, Kumar D, Patel K, Banerjee S. Magnetically Recyclable Nanoscale Zero-Valent Iron-Mediated PhotoRDRP in Ionic Liquid toward Smart, Functional Polymers. Macromol Rapid Commun 2024; 45:e2300500. [PMID: 37870940 DOI: 10.1002/marc.202300500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 10/19/2023] [Indexed: 10/25/2023]
Abstract
A facile method based on recyclable nanoscale zero-valent iron (nZVI)-mediated photoinduced reversible deactivation radical polymerization in ionic liquid (IL) leads to the synthesis of narrow disperse poly(tert-butyl methacrylate) (PTBMA), amphiphilic PTBMA-block-poly(poly(ethylene glycol)methacrylate) diblock copolymer and double hydrophilic poly(methacrylic acid)-block-poly(poly(ethylene glycol)methacrylate) (PMAA-b-PPEGMA) diblock copolymers thereof. Stimuli response of the synthesized PMAA-b-PPEGMA diblock copolymer against variation in pH and temperature is assessed. Recyclability of the nZVI (catalyst) and IL (solvent) is established. Polymerization may be switched ON or OFF, simply by turning the UVA light irradiation ON or OFF, offering temporal control. The diblock copolymer self-aggregates into spherical nanoaggregates which are employed for encapsulation of coumarin 102 (C102, a typical hydrophobic dye), describing their potential application in drug delivery applications. The facile synthesis strategy may open up new avenues for the preparation of intelligent functional polymers for engineering and biomedical applications.
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Affiliation(s)
- Bhanendra Sahu
- Department of Chemistry, Indian Institute of Technology Bhilai, Durg, Chhattisgarh, 491001, India
| | - Priyank Sinha
- Department of Chemistry, Indian Institute of Technology Bhilai, Durg, Chhattisgarh, 491001, India
| | - Devendra Kumar
- Department of Chemistry, Indian Institute of Technology Bhilai, Durg, Chhattisgarh, 491001, India
| | - Kundan Patel
- Department of Chemistry, Indian Institute of Technology Bhilai, Durg, Chhattisgarh, 491001, India
| | - Sanjib Banerjee
- Department of Chemistry, Indian Institute of Technology Bhilai, Durg, Chhattisgarh, 491001, India
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4
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Janata M, Čadová E, Johnson JW, Raus V. Diminishing the catalyst concentration in the Cu(0)‐
RDRP
and
ATRP
synthesis of well‐defined low‐molecular weight poly(glycidyl methacrylate). JOURNAL OF POLYMER SCIENCE 2023. [DOI: 10.1002/pol.20230087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
Affiliation(s)
- Miroslav Janata
- Institute of Macromolecular Chemistry Czech Academy of Sciences Heyrovského nám. 2 Prague 6 162 06 Czech Republic
| | - Eva Čadová
- Institute of Macromolecular Chemistry Czech Academy of Sciences Heyrovského nám. 2 Prague 6 162 06 Czech Republic
| | - Jeffery W. Johnson
- Axalta Coating Systems Global Innovation Center Philadelphia PA 19112 USA
| | - Vladimír Raus
- Institute of Macromolecular Chemistry Czech Academy of Sciences Heyrovského nám. 2 Prague 6 162 06 Czech Republic
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5
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Maurya DS, Adamson J, Bensabeh N, Lligadas G, Percec V. Catalytic effect of
DMSO
in metal‐catalyzed radical polymerization mediated by disproportionation facilitates living and immortal radical polymerizations. JOURNAL OF POLYMER SCIENCE 2023. [DOI: 10.1002/pol.20220632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Devendra S. Maurya
- Roy & Diana Vagelos Laboratories, Department of Chemistry University of Pennsylvania Philadelphia Pennsylvania USA
| | - Jasper Adamson
- Roy & Diana Vagelos Laboratories, Department of Chemistry University of Pennsylvania Philadelphia Pennsylvania USA
- Chemical Physics Laboratory National Institute of Chemical Physics and Biophysics Tallinn Estonia
| | - Nabil Bensabeh
- Laboratory of Sustainable Polymers, Department of Analytical Chemistry and Organic Chemistry University Rovira i Virgili Tarragona Spain
| | - Gerard Lligadas
- Laboratory of Sustainable Polymers, Department of Analytical Chemistry and Organic Chemistry University Rovira i Virgili Tarragona Spain
| | - Virgil Percec
- Roy & Diana Vagelos Laboratories, Department of Chemistry University of Pennsylvania Philadelphia Pennsylvania USA
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6
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Parkatzidis K, de Haro Amez L, Truong NP, Anastasaki A. Cu(0)-RDRP of acrylates using an alkyl iodide initiator. Polym Chem 2023. [DOI: 10.1039/d2py01563c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
Abstract
In the vast majority of atom transfer radical polymerizations, alkyl bromides or alkyl chlorides are commonly employed as initiators. Herein, alkyl iodides are demonstrated as ATRP initiators.
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Affiliation(s)
- Kostas Parkatzidis
- Laboratory for Polymeric Materials, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, 8093 Zürich, Switzerland
| | - Leonardo de Haro Amez
- Laboratory for Polymeric Materials, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, 8093 Zürich, Switzerland
| | - Nghia P. Truong
- Laboratory for Polymeric Materials, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, 8093 Zürich, Switzerland
| | - Athina Anastasaki
- Laboratory for Polymeric Materials, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, 8093 Zürich, Switzerland
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7
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Chen S, Li D, Song F, Wang XL, Wang YZ. Thermoformable and transparent one-component nanocomposites based on surface grafted cellulose nanofiber. Int J Biol Macromol 2022; 223:213-222. [PMID: 36347373 DOI: 10.1016/j.ijbiomac.2022.11.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/31/2022] [Accepted: 11/01/2022] [Indexed: 11/08/2022]
Abstract
One-component nanocomposites based on poly(methyl methacrylate)(PMMA) and polystyrene (PS) grafted cellulose nanofiber (CNF) with high polymer graft percentage were fabricated. At relative ambient conditions, less active vinyl monomer, MMA, and styrene were grafted from CNF via surface-initiated Cu(0)-mediated reversible deactivation radical polymerizations (RDRP), and PMMA/PS grafted CNFs could reach a graft percentage as high as 7550 % and 3530 %, respectively. The one-component composite films were manufactured by simple hot-pressing subsequentially. Optical transparency, thermal stability, and glass transition temperature of one-component nanocomposites were enhanced dramatically in contrast with the bicomponent nanocomposite. The uniform fracture surface confirmed the uniform dispersity by morphological observation. Mechanical tests indicated that break elongation and tensile strength ascended notably, and tensile modulus slightly descended as the graft percentage increased for PS and PMMA grafted CNF one-component composite. It was concluded that for glassy graft chains, obtaining one-component nanocomposites with high enough graft chain length was essential to achieve moderated mechanical performance without compromising optical properties and thermal manufacturing ability.
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Affiliation(s)
- Sikai Chen
- Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University, Chengdu 610064, China.
| | - Dong Li
- Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Fei Song
- Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Xiu-Li Wang
- Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University, Chengdu 610064, China.
| | - Yu-Zhong Wang
- Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University, Chengdu 610064, China
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8
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Ahmed E, Cho J, Friedmann L, Jang SS, Weck M. Catalytically Active Multicompartment Micelles. JACS AU 2022; 2:2316-2326. [PMID: 36311828 PMCID: PMC9597600 DOI: 10.1021/jacsau.2c00367] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 08/25/2022] [Accepted: 08/26/2022] [Indexed: 06/16/2023]
Abstract
This article presents the self-assembly behavior of multicompartment micelles (MCMs) in water into morphologies with multiple segregated domains and their use as supports for aqueous catalysis. A library of poly(norbornene)-based amphiphilic bottlebrush copolymers containing covalently attached l-proline in the hydrophobic, styrene, and pentafluorostyrene domains and a poly(ethylene glycol)-containing repeat unit as the hydrophilic block have been synthesized using ring-opening metathesis polymerization. Interaction parameter (χ) values between amphiphilic blocks were determined using a Flory-Huggins-based computational model. The morphologies of the MCMs are observed via cryogenic transmission electron microscopy and modeled using dissipative particle dynamic simulations. The catalytic activities of these MCM nanoreactors were systematically investigated using the aldol addition between 4-nitrobenzaldehyde and cyclohexanone in water as a model reaction. MCMs present an ideal environment for catalysis by providing control over water content and enhancing interactions between the catalytic sites and the aldehyde substrate, thereby forming the aldol product in high yields and selectivities that is otherwise not possible under aqueous conditions. Catalyst location, block ratio, and functionality have substantial influences on micelle morphology and, ultimately, catalytic efficiency. "Clover-like" and "core-shell" micelle morphologies displayed the best catalytic activity. Our MCM-based catalytic system expands the application of these nanostructures beyond selective storage of guest molecules and demonstrates the importance of micelle morphology on catalytic activity.
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Affiliation(s)
- Eman Ahmed
- Molecular
Design Institute and Department of Chemistry, New York University, New York, New York 10003, United States
| | - Jinwon Cho
- School
of Materials Science and Engineering, Georgia
Institute of Technology, 771 Ferst Dr., Atlanta, Georgia 30332-0245, United States
| | - Lulu Friedmann
- Molecular
Design Institute and Department of Chemistry, New York University, New York, New York 10003, United States
| | - Seung Soon Jang
- School
of Materials Science and Engineering, Georgia
Institute of Technology, 771 Ferst Dr., Atlanta, Georgia 30332-0245, 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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9
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Kristinaityte K, Mames A, Pietrzak M, Westermair FF, Silva W, Gschwind RM, Ratajczyk T, Urbańczyk M. Deeper Insight into Photopolymerization: The Synergy of Time-Resolved Nonuniform Sampling and Diffusion NMR. J Am Chem Soc 2022; 144:13938-13945. [PMID: 35852987 PMCID: PMC9354252 DOI: 10.1021/jacs.2c05944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Indexed: 11/28/2022]
Abstract
The comprehensive real-time in situ monitoring of chemical processes is a crucial requirement for the in-depth understanding of these processes. This monitoring facilitates an efficient design of chemicals and materials with the precise properties that are desired. This work presents the simultaneous utilization and synergy of two novel time-resolved NMR methods, i.e., time-resolved diffusion NMR and time-resolved nonuniform sampling. The first method allows the average diffusion coefficient of the products to be followed, while the second method enables the particular products to be monitored. Additionally, the average mass of the system is calculated with excellent resolution using both techniques. Employing both methods at the same time and comparing their results leads to the unequivocal validation of the assignment in the second method. Importantly, such validation is possible only via the simultaneous combination of both approaches. While the presented methodology was utilized for photopolymerization, it can also be employed for any other polymerization process, complexation, or, in general, chemical reactions in which the evolution of mass in time is of importance.
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Affiliation(s)
- Kristina Kristinaityte
- Institute
of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Adam Mames
- Institute
of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Mariusz Pietrzak
- Institute
of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Franz F. Westermair
- Faculty
of Chemistry and Pharmacy, Univeristy of
Regensburg, Universitätsstraßze 31, 93053 Regensburg, Germany
| | - Wagner Silva
- Faculty
of Chemistry and Pharmacy, Univeristy of
Regensburg, Universitätsstraßze 31, 93053 Regensburg, Germany
| | - Ruth M. Gschwind
- Faculty
of Chemistry and Pharmacy, Univeristy of
Regensburg, Universitätsstraßze 31, 93053 Regensburg, Germany
| | - Tomasz Ratajczyk
- Institute
of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Mateusz Urbańczyk
- Institute
of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
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10
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Multi-stimuli responsive amphiphilic diblock copolymers by a combination of ionic liquid-mediated cationic polymerization and recyclable alloy nanoparticle-mediated photoRDRP. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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11
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De Bon F, Lorandi F, Coelho JFJ, Serra AC, Matyjaszewski K, Isse AA. Dual electrochemical and chemical control in atom transfer radical polymerization with copper electrodes. Chem Sci 2022; 13:6008-6018. [PMID: 35685801 PMCID: PMC9132085 DOI: 10.1039/d2sc01982e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 04/26/2022] [Indexed: 01/02/2023] Open
Abstract
In Atom Transfer Radical Polymerization (ATRP), Cu0 acts as a supplemental activator and reducing agent (SARA ATRP) by activating alkyl halides and (re)generating the CuI activator through a comproportionation reaction, respectively. Cu0 is also an unexplored, exciting metal that can act as a cathode in electrochemically mediated ATRP (eATRP). Contrary to conventional inert electrodes, a Cu cathode can trigger a dual catalyst regeneration, simultaneously driven by electrochemistry and comproportionation, if a free ligand is present in solution. The dual regeneration explored herein allowed for introducing the concept of pulsed galvanostatic electrolysis (PGE) in eATRP. During a PGE, the process alternates between a period of constant current electrolysis and a period with no applied current in which polymerization continues via SARA ATRP. The introduction of no electrolysis periods without compromising the overall polymerization rate and control is very attractive, if large current densities are needed. Moreover, it permits a drastic charge saving, which is of unique value for a future scale-up, as electrochemistry coupled to SARA ATRP saves energy, and shortens the equipment usage. The use of a Cu cathode in eATRP allows exploiting the synergistic effect between electrochemical and chemical stimuli to halt or accelerate polymerizations, reduce energy consumption and achieve control in challenging systems.![]()
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Affiliation(s)
- Francesco De Bon
- Centre for Mechanical Engineering Materials and Processes (CEMMPRE), Department of Chemical Engineering, University of Coimbra Rua Sílvio Lima, Pólo II 3030-790 Coimbra Portugal
| | - Francesca Lorandi
- Department of Chemical Sciences, University of Padova Via Marzolo 1 I-35131 Padova Italy .,Department of Chemistry, Carnegie Mellon University 4400 Fifth Ave 15213 Pittsburgh PA USA
| | - Jorge F J Coelho
- Centre for Mechanical Engineering Materials and Processes (CEMMPRE), Department of Chemical Engineering, University of Coimbra Rua Sílvio Lima, Pólo II 3030-790 Coimbra Portugal
| | - Armenio C Serra
- Centre for Mechanical Engineering Materials and Processes (CEMMPRE), Department of Chemical Engineering, University of Coimbra Rua Sílvio Lima, Pólo II 3030-790 Coimbra Portugal
| | | | - Abdirisak A Isse
- Department of Chemical Sciences, University of Padova Via Marzolo 1 I-35131 Padova Italy
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12
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Polymer brush-assisted preparation of magnetic Au nanocatalyst for highly efficient reduction of organic pollutants. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128338] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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13
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Haddleton D, Efstathiou S, Ma C, Coursari D, Patias G, Al-Shok L, Eissa AM. Functional pH-responsive polymers containing dynamic enaminone linkages for the release of active organic amines. Polym Chem 2022. [DOI: 10.1039/d2py00167e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Dynamic covalent bonds have attracted attention for the development of pH-responsive polymers, however, studies using acid-cleavable enaminone linkages as a means of controlled drug release have been limited. Herein, we...
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14
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Cooze MJ, Deacon HM, Phe K, Hutchinson RA. Methacrylate and Styrene Block Copolymer Synthesis by Cu‐Mediated Chain Extension of Acrylate Macroinitiator in a Semibatch Reactor. MACROMOL REACT ENG 2021. [DOI: 10.1002/mren.202100043] [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)
- Morgan J. Cooze
- Department of Chemical Engineering Queen's University Kingston ON K7L 3N6 Canada
| | - Hayden M. Deacon
- Department of Chemical Engineering Queen's University Kingston ON K7L 3N6 Canada
| | - Katrina Phe
- Department of Chemical Engineering Queen's University Kingston ON K7L 3N6 Canada
| | - Robin A. Hutchinson
- Department of Chemical Engineering Queen's University Kingston ON K7L 3N6 Canada
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15
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Synthesis of Biobased Block Copolymers Using A Novel Methacrylated Methyl Salicylate and Poly(3‐Hydroxybutyrate). ChemistrySelect 2021. [DOI: 10.1002/slct.202102977] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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16
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Shimizu T, Truong NP, Whitfield R, Anastasaki A. Tuning Ligand Concentration in Cu(0)-RDRP: A Simple Approach to Control Polymer Dispersity. ACS POLYMERS AU 2021; 1:187-195. [PMID: 34901951 PMCID: PMC8662723 DOI: 10.1021/acspolymersau.1c00030] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 10/07/2021] [Accepted: 10/08/2021] [Indexed: 12/15/2022]
Abstract
Cu(0)-reversible deactivation radical polymerization (RDRP) is a versatile polymerization tool, providing rapid access to well-defined polymers while utilizing mild reaction conditions and low catalyst loadings. However, thus far, this method has not been applied to tailor dispersity, a key parameter that determines the physical properties and applications of polymeric materials. Here, we report a simple to perform method, whereby Cu(0)-RDRP can systematically control polymer dispersity (Đ = 1.07-1.72), while maintaining monomodal molecular weight distributions. By varying the ligand concentration, we could effectively regulate the rates of initiation and deactivation, resulting in polymers of various dispersities. Importantly, both low and high dispersity PMA possess high end-group fidelity, as evidenced by MALDI-ToF-MS, allowing for a range of block copolymers to be prepared with different dispersity configurations. The scope of our method can also be extended to include inexpensive ligands (i.e., PMDETA), which also facilitated the polymerization of lower propagation rate constant monomers (i.e., styrene) and the in situ synthesis of block copolymers. This work significantly expands the toolbox of RDRP methods for tailoring dispersity in polymeric materials.
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Affiliation(s)
- Takanori Shimizu
- Laboratory
of Polymeric Materials, Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 5, 8093 Zurich, Switzerland,Science
& Innovation Center, Mitsubishi Chemical
Corporation, 1000 Kamoshida-cho, Aoba-ku,
Yokohama-shi, Kanagawa 227-8502, Japan
| | - Nghia P. Truong
- Laboratory
of Polymeric Materials, Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 5, 8093 Zurich, Switzerland
| | - Richard Whitfield
- Laboratory
of Polymeric Materials, Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 5, 8093 Zurich, Switzerland,
| | - Athina Anastasaki
- Laboratory
of Polymeric Materials, Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 5, 8093 Zurich, Switzerland,
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17
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Chen S, Zhang ZL, Song F, Wang XL, Wang YZ. Rapid Synthesis of Polymer-Grafted Cellulose Nanofiber Nanocomposite via Surface-Initiated Cu(0)-Mediated Reversible Deactivation Radical Polymerization. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c00903] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Sikai Chen
- Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Ze-Lian Zhang
- Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Fei Song
- Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Xiu-Li Wang
- Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Yu-Zhong Wang
- Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University, Chengdu 610064, China
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18
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Cooze MJ, Barr NR, Hutchinson RA. Toward an Efficient Process for the Cu(0)‐Mediated Synthesis and Chain Extension of Poly(methyl acrylate) Macroinitiator Using PMDETA as Ligand. MACROMOL CHEM PHYS 2021. [DOI: 10.1002/macp.202100120] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Morgan J. Cooze
- Department of Chemical Engineering Queen's University Kingston ON K7L 3N6 Canada
| | - Nathaniel R. Barr
- Department of Chemical Engineering Queen's University Kingston ON K7L 3N6 Canada
| | - Robin A. Hutchinson
- Department of Chemical Engineering Queen's University Kingston ON K7L 3N6 Canada
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19
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Abstract
Electrochemically mediated atom transfer radical polymerization (eATRP) of styrene was studied in detail by using CuBr2/TPMA (TPMA = tris(2-pyridylmethyl)amine) as a catalyst. Redox properties of various Cu(II) species were investigated in CH3CN, dimethylformamide (DMF), and dimethyl sulfoxide (DMSO) both in the absence and presence of 50% (v/v) styrene. This investigation together with preliminary eATRP experiments at 80 °C indicated DMF as the best solvent. The effects of catalyst, monomer, and initiator concentrations were also examined. The livingness of the polymerization was studied by chain extension and electrochemical temporal control of polymerization.
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20
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Universal Chain-End Coupling Conditions for Brominated Polystyrenes, Polyacrylates, and Polymethacrylates. Processes (Basel) 2021. [DOI: 10.3390/pr9061001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Atom transfer radical coupling (ATRC), performed with or without radical traps, has allowed for high extents of coupling (Xc) for a variety of brominated polymers, yet structurally different polymeric chain ends require unique reagents and reaction conditions. Inspired by a similar study that focused on universal conditions for the controlled polymerization of different monomers using atom transfer radical polymerization (ATRP), this work focuses on developing a single set of conditions (or conditions with as little variation as possible) that will achieve extents of coupling greater than 80% or end-brominated chains of polystyrene (PSBr), poly(methyl methacrylate) (PMMABr), and poly(methyl acrylate) (PMABr). The radical traps α-phenyl-tert-butylnitrone (PBN), 2-methyl-2-nitrosopropane (MNP), and nitrosobenzene (NBz) were chosen in this study, along with copper catalysts, reducing agents, and nitrogen-based ligands. Ultimately, a single set of effective reaction conditions was identified with the only difference being the radical trap used: MNP was effective for coupling PSBr and PMABr while NBz was necessary to achieve similarly high extents of coupling for PMMABr.
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21
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Whitfield R, Parkatzidis K, Bradford KG, Truong NP, Konkolewicz D, Anastasaki A. Low ppm CuBr-Triggered Atom Transfer Radical Polymerization under Mild Conditions. Macromolecules 2021. [DOI: 10.1021/acs.macromol.0c02519] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Richard Whitfield
- Laboratory of Polymeric Materials, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, Zürich 8093, Switzerland
| | - Kostas Parkatzidis
- Laboratory of Polymeric Materials, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, Zürich 8093, Switzerland
| | - Kate G.E. Bradford
- Department of Chemistry and Biochemistry, Miami University, Oxford, Ohio 45056, United States
| | - Nghia P. Truong
- Laboratory of Polymeric Materials, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, Zürich 8093, Switzerland
| | - Dominik Konkolewicz
- Department of Chemistry and Biochemistry, Miami University, Oxford, Ohio 45056, United States
| | - Athina Anastasaki
- Laboratory of Polymeric Materials, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, Zürich 8093, Switzerland
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22
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Poisson J, Tonge CM, Paisley NR, Sauvé ER, McMillan H, Halldorson SV, Hudson ZM. Exploring the Scope of Through-Space Charge-Transfer Thermally Activated Delayed Fluorescence in Acrylic Donor–Acceptor Copolymers. Macromolecules 2021. [DOI: 10.1021/acs.macromol.0c02494] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Jade Poisson
- Department of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada
| | - Christopher M. Tonge
- Department of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada
| | - Nathan R. Paisley
- Department of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada
| | - Ethan R. Sauvé
- Department of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada
| | - Hayley McMillan
- Department of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada
| | - Sarah V. Halldorson
- Department of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada
| | - Zachary M. Hudson
- Department of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada
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23
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Cleveland JW, Kumar DR, Cho J, Jang SS, Jones CW. Creation of discrete active site domains via mesoporous silica poly(styrene) composite materials for incompatible acid–base cascade reactions. Catal Sci Technol 2021. [DOI: 10.1039/d0cy01988g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Mesoporous silica/polymer hybrid materials catalyze a two-step acid and base cascade reaction. Catalyst design emphasizes compartmentalization of incompatible Lewis base and Brønsted acid catalysts by tuning polymer chain length and silica pore diameter.meter.
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Affiliation(s)
- Jacob W. Cleveland
- School of Chemical & Biomolecular Engineering
- Georgia Institute of Technology
- Atlanta
- USA
| | - Dharam Raj Kumar
- School of Chemical & Biomolecular Engineering
- Georgia Institute of Technology
- Atlanta
- USA
| | - Jinwon Cho
- School of Materials Science and Engineering
- Georgia Institute of Technology
- Atlanta
- USA
| | - Seung Soon Jang
- School of Materials Science and Engineering
- Georgia Institute of Technology
- Atlanta
- USA
| | - Christopher W. Jones
- School of Chemical & Biomolecular Engineering
- Georgia Institute of Technology
- Atlanta
- USA
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24
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Efstathiou S, Wemyss AM, Patias G, Al-Shok L, Grypioti M, Coursari D, Ma C, Atkins CJ, Shegiwal A, Wan C, Haddleton DM. Self-healing and mechanical performance of dynamic glycol chitosan hydrogel nanocomposites. J Mater Chem B 2021; 9:809-823. [DOI: 10.1039/d0tb02390f] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Evaluation of Schiff base nanocomposite hydrogels properties using a benzaldehyde multifunctional amphiphilic polyacrylamide crosslinker in conjunction with glycol chitosan.
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Affiliation(s)
| | - Alan M. Wemyss
- Department of Chemistry
- University of Warwick
- Coventry
- UK
- International Institute for Nanocomposites Manufacturing (IINM)
| | | | - Lucas Al-Shok
- Department of Chemistry
- University of Warwick
- Coventry
- UK
| | | | | | - Congkai Ma
- Department of Chemistry
- University of Warwick
- Coventry
- UK
| | | | | | - Chaoying Wan
- International Institute for Nanocomposites Manufacturing (IINM)
- WMG
- University of Warwick
- UK
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25
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Kowalczyk A, Weisbrodt M, Schmidt B, Gziut K. Influence of Acrylic Acid on Kinetics of UV-Induced Cotelomerization Process and Properties of Obtained Pressure-Sensitive Adhesives. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E5661. [PMID: 33322468 PMCID: PMC7763448 DOI: 10.3390/ma13245661] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 11/28/2020] [Accepted: 12/08/2020] [Indexed: 11/16/2022]
Abstract
A new environmentally friendly method of photoreactive pressure-sensitive adhesives (PSAs) preparation was demonstrated. PSAs based on n-butyl acrylate (BA), acrylic acid (AA) and 4-acryloyloxy benxophenone (ABP) were prepared via the UV-induced cotelomerization process in the presence of a radical photoinitiator (acylphosphine oxide) and telogen (tetrabromomethane). Hydroxyterminated polybutadiene was used as a crosslinking agent. Influence of AA concentration (0-10 wt %) on kinetics of the cotelomerization process was investigated using a photodifferential scanning calorimetry method, selected physicochemical features of obtained photoreactive BA/AA/ABP cotelomers (molecular masses, polydispersity, monomers conversion and dynamic viscosity) and self-adhesive properties of obtained PSAs (adhesion, tack and cohesion) were studied, as well. It turned out that AA content is the important factor that influences monomers conversion (thereby the volatile parts content in prepolymer) and PSAs' properties. As the acrylic acid content increases, the reaction rate increases, but the total monomers conversion and the solid content of the prepolymer decreases. Additionally, the adhesion and cohesion of PSAs were grown up, and their tackiness decreased. However, the AA content has no effect on molecular weights (Mw and Mn) and polydispersity (c.a. 1.5) of photoreactive cotelomers. The optimal AA content necessary to obtain a prepolymer with low volatile parts content and good PSA properties was determined.
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Affiliation(s)
- Agnieszka Kowalczyk
- Department of Chemical Organic Technology and Polymeric Materials, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, 70-322 Szczecin, Poland; (M.W.); (B.S.); (K.G.)
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26
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Chen ZH, Ma Y, Wang XY, Sun XL, Li JF, Zhu BH, Tang Y. Winning Strategy for Iron-Based ATRP Using In Situ Generated Iodine as a Regulator. ACS Catal 2020. [DOI: 10.1021/acscatal.0c04312] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Zhi-Hao Chen
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
- School of Physical Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai 201210, China
- University of Chinese Academy of Sciences, 19(A) Yuquan Road, Beijing 100049, China
| | - Yang Ma
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
- School of Physical Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai 201210, China
- University of Chinese Academy of Sciences, 19(A) Yuquan Road, Beijing 100049, China
| | - Xiao-Yan Wang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Xiu-Li Sun
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Jun-Fang Li
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Ben-Hu Zhu
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Yong Tang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
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27
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Ahmed E, Womble CT, Weck M. Synthesis and Aqueous Self-Assembly of ABCD Bottlebrush Block Copolymers. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c01785] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Eman Ahmed
- Molecular Design Institute and Department of Chemistry, New York University, New York, New York 10003, United States
| | - C. Tyler Womble
- Molecular Design Institute and Department of Chemistry, New York University, New York, New York 10003, 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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28
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Town JS, Gao Y, Hancox E, Liarou E, Shegiwal A, Atkins CJ, Haddleton D. Automatic peak assignment and visualisation of copolymer mass spectrometry data using the 'genetic algorithm'. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2020; 34 Suppl 2:e8654. [PMID: 31721321 PMCID: PMC7507196 DOI: 10.1002/rcm.8654] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 10/11/2019] [Accepted: 11/05/2019] [Indexed: 06/10/2023]
Abstract
Copolymer analysis is vitally important as the materials have a wide variety of applications due to their tunable properties. Processing mass spectrometry data for copolymer samples can be very complex due to the increase in the number of species when the polymer chains are formed by two or more monomeric units. In this paper, we describe the use of the genetic algorithm for automated peak assignment of copolymers synthesised by a variety of polymerisation methods. We find that in using this method we are able to easily assign copolymer spectra in a few minutes and visualise them into heat maps. These heat maps allow us to look qualitatively at the distribution of the chains, by showing how they alter with different polymerisation techniques, and by changing the initial copolymer composition. This methodology is simple to use and requires little user input, which makes it well suited for use by less expert users. The data outputted by the automatic assignment may also allow for more complex data processing in the future.
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Affiliation(s)
- James S. Town
- Department of ChemistryUniversity of WarwickWarwick, UK
| | - Yuqui Gao
- Department of ChemistryUniversity of WarwickWarwick, UK
| | - Ellis Hancox
- Department of ChemistryUniversity of WarwickWarwick, UK
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29
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Christopherson CJ, Mayder DM, Poisson J, Paisley NR, Tonge CM, Hudson ZM. 1,8-Naphthalimide-Based Polymers Exhibiting Deep-Red Thermally Activated Delayed Fluorescence and Their Application in Ratiometric Temperature Sensing. ACS APPLIED MATERIALS & INTERFACES 2020; 12:20000-20011. [PMID: 32310640 DOI: 10.1021/acsami.0c05257] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
A series of naphthalimide (NAI)-based red-emissive thermally activated delayed fluorescence (TADF) acrylic monomers has been designed and synthesized. When copolymerized with a host material by Cu(0)-reversible deactivation radical polymerization (Cu(0)-RDRP), polymers exhibiting orange to deep-red TADF were obtained with quantum yields of up to 58% in solution and 31% in the solid state. These emitters exhibit dual emission consisting of high-energy prompt fluorescence from the NAI acceptor (λmax = 340 nm in toluene) and red-delayed fluorescence from the charge-transfer process (λmax = 633-711 nm in toluene). This dual emissive property was utilized to create red-to-blue temperature-responsive polymers by copolymerization of NAI-DMAC with N-isopropylacrylamide and a blue fluorescent dopant. These polymers exhibit red TADF at room temperature and blue fluorescence at 70 °C, with a high ratiometric fluorescent thermal response of 32 ± 4% K-1. Such systems are anticipated to have utility in bioimaging, drug delivery, and temperature sensing, further expanding the range of applications for red TADF materials.
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Affiliation(s)
- Cheyenne J Christopherson
- Department of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada
| | - Don M Mayder
- Department of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada
| | - Jade Poisson
- Department of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada
| | - Nathan R Paisley
- Department of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada
| | - Christopher M Tonge
- Department of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada
| | - Zachary M Hudson
- Department of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada
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30
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Rolland M, Truong NP, Whitfield R, Anastasaki A. Tailoring Polymer Dispersity in Photoinduced Iron-Catalyzed ATRP. ACS Macro Lett 2020; 9:459-463. [PMID: 35648502 DOI: 10.1021/acsmacrolett.0c00121] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Although dispersity (Đ) plays an important role in controlling polymer properties, there are very few chemical methods that can sufficiently tune it. Here we report a simple, batch, and environmentally benign photoinduced iron-catalyzed ATRP methodology that enables the efficient control of Đ for both homopolymers and block copolymers. We show that by judiciously varying the concentration of the FeBr3/TBABr catalyst, a range of dispersities can be obtained (1.18 < Đ < 1.80) while maintaining monomodal molecular weight distributions. High end-group fidelity was confirmed by MALDI-ToF-MS and was further supported by the efficient synthesis of in situ block copolymers where the dispersity of the second block could be controlled upon demand. Importantly, through the use of low ppm amounts of the catalyst, perfect temporal control could be attained during intermittent "on/off" cycles. This work considerably expands the chemical toolbox for tuning Đ of homo- and block copolymers.
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Affiliation(s)
- Manon Rolland
- Laboratory of Polymeric Materials, Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 5, Zurich, Switzerland
| | - Nghia P. Truong
- Laboratory of Polymeric Materials, Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 5, Zurich, Switzerland
| | - Richard Whitfield
- Laboratory of Polymeric Materials, Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 5, Zurich, Switzerland
| | - Athina Anastasaki
- Laboratory of Polymeric Materials, Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 5, Zurich, Switzerland
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31
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Beyer VP, Cattoz B, Strong A, Schwarz A, Becer CR. Brush Copolymers from 2-Oxazoline and Acrylic Monomers via an Inimer Approach. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c00243] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Valentin P. Beyer
- School of Engineering and Materials Science, Queen Mary University of London, London E1 4NS, U.K
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, U.K
| | - Beatrice Cattoz
- Milton Hill Business & Technology Centre, Infineum UK Ltd., Abingdon, Oxfordshire OX13 6BB, U.K
| | - Anthony Strong
- Milton Hill Business & Technology Centre, Infineum UK Ltd., Abingdon, Oxfordshire OX13 6BB, U.K
| | - Andrew Schwarz
- Milton Hill Business & Technology Centre, Infineum UK Ltd., Abingdon, Oxfordshire OX13 6BB, U.K
| | - C. Remzi Becer
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, U.K
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32
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Raus V, Hološ A, Kronek J, Mosnáček J. Well-Defined Linear and Grafted Poly(2-isopropenyl-2-oxazoline)s Prepared via Copper-Mediated Reversible-Deactivation Radical Polymerization Methods. Macromolecules 2020. [DOI: 10.1021/acs.macromol.9b02662] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Vladimír Raus
- Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, Heyrovsky Sq. 2, 162 06 Prague 6, Czech Republic
| | - Ana Hološ
- Polymer Institute of the Slovak Academy of Sciences, Dubravska cesta 9, 845 41 Bratislava, Slovakia
| | - Juraj Kronek
- Polymer Institute of the Slovak Academy of Sciences, Dubravska cesta 9, 845 41 Bratislava, Slovakia
| | - Jaroslav Mosnáček
- Polymer Institute of the Slovak Academy of Sciences, Dubravska cesta 9, 845 41 Bratislava, Slovakia
- Centre for Advanced Materials Application of the Slovak Academy of Sciences, Dubravska cesta 9, 845 11 Bratislava, Slovakia
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33
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Zhang J, Liarou E, Town J, Li Y, Wemyss AM, Haddleton DM. Aqueous copper-mediated reversible deactivation radical polymerization (RDRP) utilizing polyetheramine derived initiators. Polym Chem 2020. [DOI: 10.1039/d0py00555j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Polyetheramines (Jeffamines™) are used in Copper-mediated reversible deactivation radical polymeriation (Cu-RDRP) in water for the synthesis of temperature-responsive block copolymers.
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Affiliation(s)
- Jirui Zhang
- Department of Chemistry
- University of Warwick
- Coventry
- UK
| | | | - James Town
- Department of Chemistry
- University of Warwick
- Coventry
- UK
| | - Yongguang Li
- Department of Chemistry
- University of Warwick
- Coventry
- UK
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34
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Abstract
Multiblock copolymers (MBCs) are an emerging class of synthetic polymers that exhibit different macromolecular architectures and behaviours to those of homopolymers or di/triblock copolymers.
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Affiliation(s)
- Valentin P. Beyer
- Department of Chemistry
- University of Warwick
- Coventry
- UK
- Polymer Chemistry Laboratory
| | - Jungyeon Kim
- Department of Chemistry
- University of Warwick
- Coventry
- UK
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35
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Mohammad SA, Shingdilwar S, Banerjee S. Recoverable and recyclable nickel–cobalt magnetic alloy nanoparticle catalyzed reversible deactivation radical polymerization of methyl methacrylate at 25 °C. Polym Chem 2020. [DOI: 10.1039/c9py00942f] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Recyclable Ni–Co alloy catalyzed synthesis of well-defined poly(methyl methacrylate) (PMMA, up to 129 500 g mol−1) with narrow-dispersity (Đ = 1.30) via a reversible deactivation radical polymerization technique is reported.
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Affiliation(s)
- Sk Arif Mohammad
- Department of Chemistry
- Indian Institute of Technology Bhilai
- Raipur 492015
- India
| | | | - Sanjib Banerjee
- Department of Chemistry
- Indian Institute of Technology Bhilai
- Raipur 492015
- India
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36
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Chen ZH, Wang XY, Sun XL, Li JF, Zhu BH, Tang Y. Highly Efficient Atom Transfer Radical Polymerization System Based on the SaBOX/Copper Catalyst. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b01797] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Zhi-Hao Chen
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
- School of Physical Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai 201210, China
- University of Chinese Academy of Sciences, No.19(A) Yuquan Road, Beijing 100049, China
| | - Xiao-Yan Wang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Xiu-Li Sun
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Jun-Fang Li
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Ben-Hu Zhu
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Yong Tang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
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37
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Whitfield R, Truong NP, Messmer D, Parkatzidis K, Rolland M, Anastasaki A. Tailoring polymer dispersity and shape of molecular weight distributions: methods and applications. Chem Sci 2019; 10:8724-8734. [PMID: 33552458 PMCID: PMC7844732 DOI: 10.1039/c9sc03546j] [Citation(s) in RCA: 103] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Accepted: 08/27/2019] [Indexed: 01/08/2023] Open
Abstract
The width and shape of molecular weight distributions can significantly affect the properties of polymeric materials and thus are key parameters to control. This mini-review aims to critically summarise recent approaches developed to tailor molecular weight distributions and highlights the strengths and limitations of each technique. Special emphasis will also be given to applications where tuning the molecular weight distribution has been used as a strategy to not only enhance polymer properties but also to increase the fundamental understanding behind complex mechanisms and phenomena.
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Affiliation(s)
- Richard Whitfield
- Laboratory of Polymeric Materials , Department of Materials , ETH Zurich , Vladimir-Prelog-Weg 5 , Zurich 8093 , Switzerland .
| | - Nghia P Truong
- Laboratory of Polymeric Materials , Department of Materials , ETH Zurich , Vladimir-Prelog-Weg 5 , Zurich 8093 , Switzerland .
| | - Daniel Messmer
- Laboratory of Polymeric Materials , Department of Materials , ETH Zurich , Vladimir-Prelog-Weg 5 , Zurich 8093 , Switzerland .
| | - Kostas Parkatzidis
- Laboratory of Polymeric Materials , Department of Materials , ETH Zurich , Vladimir-Prelog-Weg 5 , Zurich 8093 , Switzerland .
| | - Manon Rolland
- Laboratory of Polymeric Materials , Department of Materials , ETH Zurich , Vladimir-Prelog-Weg 5 , Zurich 8093 , Switzerland .
| | - Athina Anastasaki
- Laboratory of Polymeric Materials , Department of Materials , ETH Zurich , Vladimir-Prelog-Weg 5 , Zurich 8093 , Switzerland .
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38
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Wang XY, Chen ZH, Sun XL, Tang Y. Low temperature effect on ATRP of styrene and substituted styrenes enabled by SaBOX ligand. POLYMER 2019. [DOI: 10.1016/j.polymer.2019.121630] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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39
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Chen S, Hori N, Kajiyama M, Takemura A. Graft modification of methyl acrylate onto chicken feather via surface initiated Cu(0)‐mediated reversible‐deactivation radical polymerization. J Appl Polym Sci 2019. [DOI: 10.1002/app.48246] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Sikai Chen
- Department of Biomaterial Sciences, Graduate School of Agricultural and Life SciencesThe University of Tokyo, 1‐1‐1 Yayoi, Bunkyo‐ku Tokyo 113‐8657 Japan
| | - Naruhito Hori
- Department of Biomaterial Sciences, Graduate School of Agricultural and Life SciencesThe University of Tokyo, 1‐1‐1 Yayoi, Bunkyo‐ku Tokyo 113‐8657 Japan
| | - Mikio Kajiyama
- Graduate School of Life and Environmental SciencesUniversity of Tsukuba, 1‐1‐1 Tennodai, Tsukuba Ibaraki 305‐8577 Japan
| | - Akio Takemura
- Department of Biomaterial Sciences, Graduate School of Agricultural and Life SciencesThe University of Tokyo, 1‐1‐1 Yayoi, Bunkyo‐ku Tokyo 113‐8657 Japan
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40
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Moreno A, Ronda JC, Cádiz V, Galià M, Lligadas G, Percec V. SET-LRP from Programmed Difunctional Initiators Encoded with Double Single-Cleavage and Double Dual-Cleavage Groups. Biomacromolecules 2019; 20:3200-3210. [DOI: 10.1021/acs.biomac.9b00892] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Adrian Moreno
- Laboratory of Sustainable Polymers, Department of Analytical Chemistry and Organic Chemistry, University Rovira i Virgili, Tarragona 43007, Spain
| | - Juan C. Ronda
- Laboratory of Sustainable Polymers, Department of Analytical Chemistry and Organic Chemistry, University Rovira i Virgili, Tarragona 43007, Spain
| | - Virginia Cádiz
- Laboratory of Sustainable Polymers, Department of Analytical Chemistry and Organic Chemistry, University Rovira i Virgili, Tarragona 43007, Spain
| | - Marina Galià
- Laboratory of Sustainable Polymers, Department of Analytical Chemistry and Organic Chemistry, University Rovira i Virgili, Tarragona 43007, Spain
| | - Gerard Lligadas
- Laboratory of Sustainable Polymers, Department of Analytical Chemistry and Organic Chemistry, University Rovira i Virgili, Tarragona 43007, Spain
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Virgil Percec
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
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41
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Controlled Polymerization of Methyl Methacrylate and Styrene via Cu(0)-Mediated RDRP by Selecting the Optimal Reaction Conditions. CHINESE JOURNAL OF POLYMER SCIENCE 2019. [DOI: 10.1007/s10118-019-2236-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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42
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Towards scale-up of electrochemically-mediated atom transfer radical polymerization: Use of a stainless-steel reactor as both cathode and reaction vessel. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.03.032] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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43
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Reyhani A, Ranji-Burachaloo H, McKenzie TG, Fu Q, Qiao GG. Heterogeneously Catalyzed Fenton-Reversible Addition–Fragmentation Chain Transfer Polymerization in the Presence of Air. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b00038] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Amin Reyhani
- Polymer Science Group, Department of Chemical Engineering, The University of Melbourne, Parkville, Melbourne, Victoria 3010, Australia
| | - Hadi Ranji-Burachaloo
- Polymer Science Group, Department of Chemical Engineering, The University of Melbourne, Parkville, Melbourne, Victoria 3010, Australia
| | - Thomas G. McKenzie
- Polymer Science Group, Department of Chemical Engineering, The University of Melbourne, Parkville, Melbourne, Victoria 3010, Australia
| | - Qiang Fu
- Polymer Science Group, Department of Chemical Engineering, The University of Melbourne, Parkville, Melbourne, Victoria 3010, Australia
| | - Greg G. Qiao
- Polymer Science Group, Department of Chemical Engineering, The University of Melbourne, Parkville, Melbourne, Victoria 3010, Australia
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44
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Moreno A, Bensabeh N, Parve J, Ronda JC, Cádiz V, Galià M, Vares L, Lligadas G, Percec V. SET-LRP of Bio- and Petroleum-Sourced Methacrylates in Aqueous Alcoholic Mixtures. Biomacromolecules 2019; 20:1816-1827. [PMID: 30882211 DOI: 10.1021/acs.biomac.9b00257] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Single-electron transfer-living radical polymerization (SET-LRP) in "programmed" aqueous organic biphasic systems eliminates the judicious choice of solvent and also provides accelerated reaction rates. Herein, we report efforts to expand the monomer scope for these systems by targeting methacrylic monomers and polymers. Various environmentally friendly aqueous alcoholic mixtures were used in combination with Cu(0) wire catalyst, tris(2-dimethylaminoethyl)amine (Me6-TREN) ligand, and p-toluenesulfonyl chloride (Ts-Cl) initiator to deliver well-defined polymethacrylates from methyl methacrylate, butyl methacrylate, and other monomers derived from biomass feedstock (e.g., lactic acid, isosorbide, furfural, and lauric acid). The effect of water on the nature of the reaction mixture during the SET-LRP process, reaction rate, and control of the polymerization is discussed. The control retained under the reported conditions is demonstrated by synthesizing polymers of different targeted molar mass as well as quasi-block AB copolymers by "in situ" chain extension at high conversion. These results highlight the capabilities of SET-LRP to provide sustainable solutions based on renewable resources.
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Affiliation(s)
- Adrian Moreno
- Laboratory of Sustainable Polymers, Department of Analytical Chemistry and Organic Chemistry , University Rovira i Virgili , Tarragona 43007 , Spain
| | - Nabil Bensabeh
- Laboratory of Sustainable Polymers, Department of Analytical Chemistry and Organic Chemistry , University Rovira i Virgili , Tarragona 43007 , Spain
| | - Jaan Parve
- Department of Chemistry and Biotechnology , Tallinn University of Technology , Ehitajate tee 5 , Tallinn 19086 , Estonia
| | - Juan C Ronda
- Laboratory of Sustainable Polymers, Department of Analytical Chemistry and Organic Chemistry , University Rovira i Virgili , Tarragona 43007 , Spain
| | - Virginia Cádiz
- Laboratory of Sustainable Polymers, Department of Analytical Chemistry and Organic Chemistry , University Rovira i Virgili , Tarragona 43007 , Spain
| | - Marina Galià
- Laboratory of Sustainable Polymers, Department of Analytical Chemistry and Organic Chemistry , University Rovira i Virgili , Tarragona 43007 , Spain
| | - Lauri Vares
- Institute of Technology , University of Tartu , Nooruse 1 , Tartu 50411 , Estonia
| | - Gerard Lligadas
- Laboratory of Sustainable Polymers, Department of Analytical Chemistry and Organic Chemistry , University Rovira i Virgili , Tarragona 43007 , Spain.,Roy & Diana Vagelos Laboratories, Department of Chemistry , University of Pennsylvania , Philadelphia , Pennsylvania 19104-6323 , United States
| | - Virgil Percec
- Roy & Diana Vagelos Laboratories, Department of Chemistry , University of Pennsylvania , Philadelphia , Pennsylvania 19104-6323 , United States
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45
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Karkare P, Kumar S, Murthy CN. ARGET‐ATRP using β‐CD as reducing agent for the synthesis of PMMA‐ b‐PS‐ b‐PMMA triblock copolymers. J Appl Polym Sci 2019. [DOI: 10.1002/app.47117] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- P. Karkare
- Macromolecular Materials Laboratory, Applied Chemistry Department, Faculty of Technology & EngineeringThe Maharaja Sayajirao University of Baroda Vadodara 390001 Gujarat India
| | - S. Kumar
- Department of Materials Science and EngineeringChosun University Gwangju 501‐759 Republic of Korea
| | - C. N. Murthy
- Macromolecular Materials Laboratory, Applied Chemistry Department, Faculty of Technology & EngineeringThe Maharaja Sayajirao University of Baroda Vadodara 390001 Gujarat India
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46
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Tonge CM, Yuan F, Lu ZH, Hudson ZM. Cu(0)-RDRP as an efficient and low-cost synthetic route to blue-emissive polymers for OLEDs. Polym Chem 2019. [DOI: 10.1039/c9py00294d] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Cu(0)-RDRP has been used to prepare deep-blue emissive polymers for OLEDs using a simple room-temperature procedure with copper wire catalyst.
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Affiliation(s)
- Christopher M. Tonge
- Department of Chemistry
- 2026 Main Mall
- The University of British Columbia
- Vancouver
- Canada
| | - Fanglong Yuan
- Department of Materials Science and Engineering
- 184 College Street
- University of Toronto
- Toronto
- Canada MS5 3E4
| | - Zheng-Hong Lu
- Department of Materials Science and Engineering
- 184 College Street
- University of Toronto
- Toronto
- Canada MS5 3E4
| | - Zachary M. Hudson
- Department of Chemistry
- 2026 Main Mall
- The University of British Columbia
- Vancouver
- Canada
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47
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Raus V, Kostka L. Optimizing the Cu-RDRP ofN-(2-hydroxypropyl) methacrylamide toward biomedical applications. Polym Chem 2019. [DOI: 10.1039/c8py01569d] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Aqueous Cu-RDRP ofN-(2-hydroxypropyl) methacrylamide was optimized to achieve co(polymers) of low dispersity and controlled molecular weight at high conversions.
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Affiliation(s)
- Vladimír Raus
- Institute of Macromolecular Chemistry
- Academy of Sciences of the Czech Republic
- 162 06 Prague 6
- Czech Republic
| | - Libor Kostka
- Institute of Macromolecular Chemistry
- Academy of Sciences of the Czech Republic
- 162 06 Prague 6
- Czech Republic
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48
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Aksakal S, Beyer VP, Aksakal R, Becer CR. Copper mediated RDRP of thioacrylates and their combination with acrylates and acrylamides. Polym Chem 2019. [DOI: 10.1039/c9py01518c] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Ethyl thioacrylate was polymerised via Cu-RDRP and subjected to amidation to obtain the first “all-acrylic” copolymer.
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Affiliation(s)
- Suzan Aksakal
- Polymer Chemistry Laboratory
- School of Engineering and Materials Science
- Queen Mary University of London
- London
- UK
| | - Valentin P. Beyer
- Polymer Chemistry Laboratory
- School of Engineering and Materials Science
- Queen Mary University of London
- London
- UK
| | - Resat Aksakal
- Polymer Chemistry Laboratory
- School of Engineering and Materials Science
- Queen Mary University of London
- London
- UK
| | - C. Remzi Becer
- Polymer Chemistry Laboratory
- School of Engineering and Materials Science
- Queen Mary University of London
- London
- UK
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49
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Shirali Zadeh N, Cooze MJ, Barr NR, Hutchinson RA. An efficient process for the Cu(0)-mediated synthesis and subsequent chain extension of poly(methyl acrylate) macroinitiator. REACT CHEM ENG 2019. [DOI: 10.1039/c9re00224c] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A process combining a continuous tubular and a semi-batch reactor is established as an efficient method for the synthesis of block copolymers.
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Affiliation(s)
| | - Morgan J. Cooze
- Department of Chemical Engineering
- Dupuis Hall
- Queen's University
- Kingston
- Canada
| | - Nathaniel R. Barr
- Department of Chemical Engineering
- Dupuis Hall
- Queen's University
- Kingston
- Canada
| | - Robin A. Hutchinson
- Department of Chemical Engineering
- Dupuis Hall
- Queen's University
- Kingston
- Canada
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50
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Rubens M, Junkers T. Comprehensive control over molecular weight distributions through automated polymerizations. Polym Chem 2019. [DOI: 10.1039/c9py01013k] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Automated synthesis by mixing of individual polymer distributions to tune the shape and properties of artificial molecular weight distributions.
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Affiliation(s)
- Maarten Rubens
- Hasselt University
- 3500 Hasselt
- Belgium
- Polymer Reaction Design Group
- School of Chemistry
| | - Tanja Junkers
- Hasselt University
- 3500 Hasselt
- Belgium
- Polymer Reaction Design Group
- School of Chemistry
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