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] [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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Ajvazi E, Bauer F, Strasser P, Brüggemann O, Preuer R, Kracalik M, Hild S, Abbasi M, Graz I, Teasdale I. Inorganic Bottlebrush and Comb Polymers as a Platform for Supersoft, Solvent-Free Elastomers. ACS POLYMERS AU 2024; 4:56-65. [PMID: 38371734 PMCID: PMC10870749 DOI: 10.1021/acspolymersau.3c00043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 11/23/2023] [Accepted: 11/28/2023] [Indexed: 02/20/2024]
Abstract
Due to their unique rheological and mechanical properties, bottlebrush polymers are inimitable components of biological and synthetic systems such as cartilage and ultrasoft elastomers. However, while their rheological properties can be precisely controlled through their macromolecular structures, the current chemical spectrum available is limited to a handful of synthetic polymers with aliphatic carbon backbones. Herein we design and synthesize a series of inorganic bottlebrush polymers based on a unique combination of polydimethylsiloxane (PDMS) and polyphosphazene (PPz) chemistry. This non-carbon-based platform allows for simple variation of the significant architectural dimensions of bottlebrush-polymer-based elastomers. Grafting PDMS to PPz and vice versa also allows us to further exploit the unique properties of these polymers combined in a single material. These novel hybrid bottlebrush polymers were cured to give supersoft, solvent-free elastomers. We systematically studied the effect of architectural parameters and chemical functionality on their rheological properties. Besides forming supersoft elastomers, the energy dissipation characteristics of the elastomers were observed to be considerably higher than those for PDMS-based elastomers. Hence this work introduces a robust synthetic platform for solvent-free supersoft elastomers with potential applications as biomimetic damping materials.
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Affiliation(s)
- Edip Ajvazi
- Institute
of Polymer Chemistry, Johannes Kepler University
Linz, Altenberger Straße
69, 4040 Linz, Austria
- Christian
Doppler Laboratory for Soft Structures for Vibration Isolation and
Impact Protection (ADAPT), School of Education, STEM Education, Johannes Kepler University Linz, Altenberger Straße 69, 4040 Linz, Austria
| | - Felix Bauer
- Institute
of Polymer Chemistry, Johannes Kepler University
Linz, Altenberger Straße
69, 4040 Linz, Austria
| | - Paul Strasser
- Institute
of Polymer Chemistry, Johannes Kepler University
Linz, Altenberger Straße
69, 4040 Linz, Austria
| | - Oliver Brüggemann
- Institute
of Polymer Chemistry, Johannes Kepler University
Linz, Altenberger Straße
69, 4040 Linz, Austria
| | - Rene Preuer
- Christian
Doppler Laboratory for Soft Structures for Vibration Isolation and
Impact Protection (ADAPT), School of Education, STEM Education, Johannes Kepler University Linz, Altenberger Straße 69, 4040 Linz, Austria
| | - Milan Kracalik
- Institute
of Polymer Science, Johannes Kepler University
Linz, Altenberger Straße 69, 4040 Linz, Austria
| | - Sabine Hild
- Institute
of Polymer Science, Johannes Kepler University
Linz, Altenberger Straße 69, 4040 Linz, Austria
| | - Mahdi Abbasi
- Borealis
Polyolefine GmbH, Innovation Headquarters, St.-Peter-Straße 25, 4021 Linz, Austria
| | - Ingrid Graz
- Christian
Doppler Laboratory for Soft Structures for Vibration Isolation and
Impact Protection (ADAPT), School of Education, STEM Education, Johannes Kepler University Linz, Altenberger Straße 69, 4040 Linz, Austria
| | - Ian Teasdale
- Institute
of Polymer Chemistry, Johannes Kepler University
Linz, Altenberger Straße
69, 4040 Linz, Austria
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3
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Dobrynin AV, Stroujkova A, Vatankhah-Varnosfaderani M, Sheiko SS. Coarse-Grained Artificial Intelligence for Design of Brush Networks. ACS Macro Lett 2023; 12:1510-1516. [PMID: 37888787 DOI: 10.1021/acsmacrolett.3c00479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
The ability to synthesize elastomeric materials with programmable mechanical properties is vital for advanced soft matter applications. Due to the inherent complexity of hierarchical structure-property correlations in brush-like polymer networks, the application of conventional theory-based, so-called Human Intelligence (HI) approaches becomes increasingly difficult. Herein we developed a design strategy based on synergistic combination of HI and AI tools which allows precise encoding of mechanical properties with three architectural parameters: degrees of polymerization (DP) of network strands, nx, side chains, nsc, backbone spacers between side chains, ng. Implementing a multilayer feedforward artificial neural network (ANN), we took advantage of model-predicted structure-property cross-correlations between coarse-grained system code including chemistry specific characteristics S = [l, v, b] defined by monomer projection length l and excluded volume v, Kuhn length b of bare backbone and side chains, and architecture A = [nsc, ng, nx] of polymer networks and their equilibrium mechanical properties P = [G, β] including the structural shear modulus G and firmness parameter β. The ANN was trained by minimizing the mean-square error with Bayesian regularization to avoid overfitting using a data set of experimental stress-deformation curves of networks with brush-like strands of poly(n-butyl acrylate), poly(isobutylene), and poly(dimethylsiloxane) having structural modulus G < 50 kPa and 0.01 ≤ β ≤ 0.3. The trained ANN predicts network mechanical properties with 95% confidence. The developed ANN was implemented for synthesis of model networks with identical mechanical properties but different chemistries of network strands.
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Affiliation(s)
- Andrey V Dobrynin
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Anastasia Stroujkova
- Department of Earth, Marine and Environmental Sciences, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27559, United States
| | | | - Sergei S Sheiko
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
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4
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Asadi V, Dolleman R, van der Gucht J, Kodger TE. 3D printable soft and solvent-free thermoplastic elastomer containing dangling bottlebrush chains. MATERIALS ADVANCES 2023; 4:5535-5545. [PMID: 38013845 PMCID: PMC10642180 DOI: 10.1039/d3ma00335c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 08/27/2023] [Indexed: 11/29/2023]
Abstract
Polymer networks containing bottlebrush chains are emerging materials with exceptionally soft and highly tunable mechanical properties. However, such materials have not been extensively implemented in functional processing techniques such as three-dimensional (3D) printing. Here, we introduce a new design of soft and solvent-free polydimethylsiloxane (PDMS)-based thermoplastic elastomer which contains dangling and space-filling bottlebrush chains, featuring a yield stress and a rapid recovery after stress removal; both required for high spatial fidelity 3D printing. The developed material is composed of two copolymers; the main building block is a diblock copolymer with linear polystyrene (PS) block and bottlebrush PDMS block (PS-b-bbPDMS) while the second component is PS-b-PDMS-b-PS triblock, self-assembling to a physical network. This design provides independent tunability of each structural parameter on the molecular level, hence, macroscopic control of the materials' mechanical properties. Multiple self-supportive 3D structures with spanning elements are 3D printed at elevated temperatures using a developed material with a low shear modulus of G' = 3.3 kPa containing 3 : 1 molar ratio of diblock to triblock copolymers without the need for volatile solvent, or post-treatment. This 3D printing compatible design opens new opportunities to utilize the distinctive mechanical properties of bottlebrush materials for applications such as soft tissue scaffolds, sensors, actuators, and soft robots.
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Affiliation(s)
- Vahid Asadi
- Physical Chemistry and Soft Matter, Wageningen University & Research Stippeneng 4 6708 WE Wageningen The Netherlands
| | - Renee Dolleman
- Physical Chemistry and Soft Matter, Wageningen University & Research Stippeneng 4 6708 WE Wageningen The Netherlands
| | - Jasper van der Gucht
- Physical Chemistry and Soft Matter, Wageningen University & Research Stippeneng 4 6708 WE Wageningen The Netherlands
| | - Thomas E Kodger
- Physical Chemistry and Soft Matter, Wageningen University & Research Stippeneng 4 6708 WE Wageningen The Netherlands
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5
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Kazaryan PS, Gritsevich DK, Gallyamov MO, Pestrikova AA, Gulin AA, Kirianova AV, Kondratenko MS. Dependence of Slippery and Elastic Properties of Thin Polymer Films on the Grafted Flexible Sidechain Amount. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:7029-7045. [PMID: 37167610 DOI: 10.1021/acs.langmuir.3c00238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
In modern life, people face a wide number of sticky problems when adhesion is highly undesirable: water and dirt stick to clothes, useful materials stick to the walls of their containers and cannot be fully used, water sticking and freezing on airplane wings affects handling and can be dangerous, biological liquids can stick and form clots inside medical devices threatening patients' lives, etc. Slippery liquid-infused porous surfaces (SLIPSs) with pressure stable omniphobicity could help to solve these issues. Lubricant depletion from porous surface and subsequent degradation of omniphobic properties is the major problem for SLIPS. It could be resolved by attaching flexible, liquid-like sidechains to the polymer matrix. Understanding the relationship between the structure of such polymer films and wetting effects is therefore of great importance. The present work is devoted to the study of droplet pinning on crosslinked polydimethylsiloxane (PDMS) polymer films with varied amounts of attached flexible PDMS sidechains and clarification of the relationship between slippery and viscoelastic properties of the films. An one-stage approach to the synthesis of such slippery coatings on smooth and porous substrates in "eco-friendly" pressurized CO2 solutions is proposed. Pinning force and Young's modulus (E) of the films on silicon substrates with variation of the grafted sidechains amount (x) are measured. The non-monotonic dependence of the pinning force on the amount of sidechains is obtained: the pinning force decreases at small x values (region I) and starts to increase at higher x (region II). The effects of the grafted sidechains amount, as well as matrix softening, are discussed for each case. It is demonstrated that the proposed method of film synthesis allows one to obtain thin, uniform coatings on fabrics without gluing the fibers. Such coatings with an optimal amount of PDMS sidechains demonstrate decreased sliding angles for droplets of water and aqueous alcohol solutions, as compared to PDMS coatings without grafted sidechains. The proposed technique may be of interest for deposition of coatings on porous surfaces having a complex morphology, such as textiles, aerogels, porous electrodes, etc.
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Affiliation(s)
- Polina S Kazaryan
- Faculty of Physics, M. V. Lomonosov Moscow State University, Leninskie Gory 1-2, Moscow 119992, Russian Federation
- N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova 28, Moscow 119991, Russian Federation
| | - Daniil K Gritsevich
- Faculty of Physics, M. V. Lomonosov Moscow State University, Leninskie Gory 1-2, Moscow 119992, Russian Federation
| | - Marat O Gallyamov
- Faculty of Physics, M. V. Lomonosov Moscow State University, Leninskie Gory 1-2, Moscow 119992, Russian Federation
- N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova 28, Moscow 119991, Russian Federation
| | - Anastasiya A Pestrikova
- N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova 28, Moscow 119991, Russian Federation
| | - Alexander A Gulin
- N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, Kosygina 4, Moscow 119991, Russian Federation
| | - Alina V Kirianova
- Faculty of Chemistry, M. V. Lomonosov Moscow State University, Leninskie Gory 1-2, Moscow 119992, Russian Federation
| | - Mikhail S Kondratenko
- Faculty of Physics, M. V. Lomonosov Moscow State University, Leninskie Gory 1-2, Moscow 119992, Russian Federation
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6
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Conductive and elastic bottlebrush elastomers for ultrasoft electronics. Nat Commun 2023; 14:623. [PMID: 36739447 PMCID: PMC9899285 DOI: 10.1038/s41467-023-36214-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 01/18/2023] [Indexed: 02/06/2023] Open
Abstract
Understanding biological systems and mimicking their functions require electronic tools that can interact with biological tissues with matched softness. These tools involve biointerfacing materials that should concurrently match the softness of biological tissue and exhibit suitable electrical conductivities for recording and reading bioelectronic signals. However, commonly employed intrinsically soft and stretchable materials usually contain solvents that limit stability for long-term use or possess low electronic conductivity. To date, an ultrasoft (i.e., Young's modulus <30 kPa), conductive, and solvent-free elastomer does not exist. Additionally, integrating such ultrasoft and conductive materials into electronic devices is poorly explored. This article reports a solvent-free, ultrasoft and conductive PDMS bottlebrush elastomer (BBE) composite with single-wall carbon nanotubes (SWCNTs) as conductive fillers. The conductive SWCNT/BBE with a filler concentration of 0.4 - 0.6 wt% reveals an ultralow Young's modulus (<11 kPa) and satisfactory conductivity (>2 S/m) as well as adhesion property. Furthermore, we fabricate ultrasoft electronics based on laser cutting and 3D printing of conductive and non-conductive BBEs and demonstrate their potential applications in wearable sensing, soft robotics, and electrophysiological recording.
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7
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Dashtimoghadam E, Maw M, Keith AN, Vashahi F, Kempkes V, Gordievskaya YD, Kramarenko EY, Bersenev EA, Nikitina EA, Ivanov DA, Tian Y, Dobrynin AV, Vatankhah-Varnosfaderani M, Sheiko SS. Super-soft, firm, and strong elastomers toward replication of tissue viscoelastic response. MATERIALS HORIZONS 2022; 9:3022-3030. [PMID: 36128881 DOI: 10.1039/d2mh00844k] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Polymeric networks are commonly used for various biomedical applications, from reconstructive surgery to wearable electronics. Some materials may be soft, firm, strong, or damping however, implementing all four properties into a single material to replicate the mechanical properties of tissue has been inaccessible. Herein, we present the A-g-B brush-like graft copolymer platform as a framework for fabrication of materials with independently tunable softness and firmness, capable of reaching a strength of ∼10 MPa on par with stress-supporting tissues such as blood vessel, muscle, and skin. These properties are maintained by architectural control, therefore diverse mechanical phenotypes are attainable for a variety of different chemistries. Utilizing this attribute, we demonstrate the capability of the A-g-B platform to enhance specific characteristics such as tackiness, damping, and moldability.
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Affiliation(s)
- Erfan Dashtimoghadam
- Department of Chemistry, University of North Carolina at Chapel Hill, 27599, USA.
| | - Mitchell Maw
- Department of Chemistry, University of North Carolina at Chapel Hill, 27599, USA.
| | - Andrew N Keith
- Department of Chemistry, University of North Carolina at Chapel Hill, 27599, USA.
| | - Foad Vashahi
- Department of Chemistry, University of North Carolina at Chapel Hill, 27599, USA.
| | - Verena Kempkes
- Department of Chemistry, University of North Carolina at Chapel Hill, 27599, USA.
| | - Yulia D Gordievskaya
- Lomonosov Moscow State University, Leninskie Gory 1, 119991, Moscow, Russian Federation
| | - Elena Yu Kramarenko
- Lomonosov Moscow State University, Leninskie Gory 1, 119991, Moscow, Russian Federation
| | - Egor A Bersenev
- Lomonosov Moscow State University, Leninskie Gory 1, 119991, Moscow, Russian Federation
| | - Evgeniia A Nikitina
- Lomonosov Moscow State University, Leninskie Gory 1, 119991, Moscow, Russian Federation
| | - Dimitri A Ivanov
- Lomonosov Moscow State University, Leninskie Gory 1, 119991, Moscow, Russian Federation
- Institut de Sciences des Matériaux de Mulhouse-IS2M, CNRS UMR 7361, 15, rue Jean Starcky, F-68057 Mulhouse, France.
- Sirius University of Science and Technology, 1 Olympic Ave, 354340, Sochi, Russian Federation
| | - Yuan Tian
- Department of Chemistry, University of North Carolina at Chapel Hill, 27599, USA.
| | - Andrey V Dobrynin
- Department of Chemistry, University of North Carolina at Chapel Hill, 27599, USA.
| | | | - Sergei S Sheiko
- Department of Chemistry, University of North Carolina at Chapel Hill, 27599, USA.
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8
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Clarke BR, Kim H, Ilton M, Watkins JJ, Crosby AJ, Tew GN. The Impact of Polymerization Chemistry on the Mechanical Properties of Poly(dimethylsiloxane) Bottlebrush Elastomers. Macromolecules 2022. [PMID: 37502106 PMCID: PMC10373355 DOI: 10.1021/acs.macromol.2c01332] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
We compare the low-strain mechanical properties of bottlebrush elastomers (BBEs) synthesized using ring-opening metathesis and free radical polymerization. Through comparison of experimentally measured elastic moduli and those predicted by an ideal, affine model, we evaluate the efficiency of our networks in forming stress-supporting strands. This comparison allowed us to develop a structural efficiency ratio that facilitates the prediction of mechanical properties relative to polymerization chemistry (e.g., softer BBEs when polymerizing under dilute conditions). This work highlights the impact that polymerization chemistry has on the structural efficiency ratio and the resultant mechanical properties of BBEs with identical side chains, providing another "knob" by which to control polymer network properties.
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Affiliation(s)
- Brandon R. Clarke
- Department of Polymer Science and Engineering, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
| | - Hyemin Kim
- Department of Polymer Science and Engineering, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
| | - Mark Ilton
- Department of Physics, Harvey Mudd College, Claremont, California 91711, United States
| | - James J. Watkins
- Department of Polymer Science and Engineering, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
| | - Alfred J. Crosby
- Department of Polymer Science and Engineering, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
| | - Gregory N. Tew
- Department of Polymer Science and Engineering, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
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9
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Bersenev EA, Nikitina EA, Dashtimoghadam E, Sheiko SS, Ivanov DA. Bottlebrush Elastomers with Crystallizable Side Chains: Monitoring Configuration of Polymer Backbones in the Amorphous Regions during Crystallization. ACS Macro Lett 2022; 11:1085-1090. [PMID: 35998353 DOI: 10.1021/acsmacrolett.2c00394] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Brush-like elastomers with crystallizable side chains hold promise for biomedical applications requiring the presence of two distinct mechanical states below and above body temperature: hard and supersoft. The hard semicrystalline state facilitates piercing of the body whereupon the material softens to match the mechanics of surrounding soft tissue. To understand the transition between the two states, the crystallization process was studied with synchrotron X-ray scattering for a series of brush elastomers with poly(ε-caprolactone) side chains bearing from 7 to 13 repeat units. The so-called bottlebrush correlation peak was used to monitor configuration of bottlebrush backbones in the amorphous regions during the crystallization process. In the course of crystallization, the backbones are expelled into the interlamellar amorphous gaps, which is accompanied by their conformational changes and leads to partitioning to unconfined (melt) and confined (semicrystalline) (conformational) states. The crystallization process starts by consumption of the unconfined macromolecules by the growing crystals followed by reconfiguration of macromolecules within the already grown spherulites.
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Affiliation(s)
- Egor A Bersenev
- Faculty of Chemistry, Lomonosov Moscow State University (MSU), GSP-1, 1-3 Leninskiye Gory, 119991 Moscow, Russian Federation.,Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow region, 142432, Russian Federation
| | - Evgeniia A Nikitina
- Faculty of Chemistry, Lomonosov Moscow State University (MSU), GSP-1, 1-3 Leninskiye Gory, 119991 Moscow, Russian Federation.,Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow region, 142432, Russian Federation
| | - Erfan Dashtimoghadam
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
| | - Sergei S Sheiko
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
| | - Dimitri A Ivanov
- Faculty of Chemistry, Lomonosov Moscow State University (MSU), GSP-1, 1-3 Leninskiye Gory, 119991 Moscow, Russian Federation.,Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow region, 142432, Russian Federation.,Institut de Sciences des Matériaux de Mulhouse-IS2M, CNRS UMR 7361, F-68057 Mulhouse, France.,Sirius University of Science and Technology, 1 Olympic Avenue, 354340, Sochi, Russian Federation
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10
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Maw M, Morgan BJ, Dashtimoghadam E, Tian Y, Bersenev EA, Maryasevskaya AV, Ivanov DA, Matyjaszewski K, Dobrynin AV, Sheiko SS. Brush Architecture and Network Elasticity: Path to the Design of Mechanically Diverse Elastomers. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c00006] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Mitchell Maw
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Benjamin J. Morgan
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Erfan Dashtimoghadam
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Yuan Tian
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Egor A. Bersenev
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, Semenov Av. 1, Chernogolovka 142432 Moscow Region, Russian Federation
| | - Alina V. Maryasevskaya
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, Semenov Av. 1, Chernogolovka 142432 Moscow Region, Russian Federation
- Faculty of Chemistry, Lomonosov Moscow State University, Leninskie Gory 1/51, Moscow 119991, Russia
| | - Dimitri A. Ivanov
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, Semenov Av. 1, Chernogolovka 142432 Moscow Region, Russian Federation
- CNRS UMR 7361, Institut de Sciences des Matériaux de Mulhouse, IS2M, 15, rue Jean Starcky, F-68057 Mulhouse, France
- Faculty of Chemistry, Lomonosov Moscow State University, Leninskie Gory 1/51, Moscow 119991, Russia
| | - Krzysztof Matyjaszewski
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Andrey V. Dobrynin
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Sergei S. Sheiko
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
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11
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Vashahi F, Martinez MR, Dashtimoghadam E, Fahimipour F, Keith AN, Bersenev EA, Ivanov DA, Zhulina EB, Popryadukhin P, Matyjaszewski K, Vatankhah-Varnosfaderani M, Sheiko SS. Injectable bottlebrush hydrogels with tissue-mimetic mechanical properties. SCIENCE ADVANCES 2022; 8:eabm2469. [PMID: 35061528 PMCID: PMC8782458 DOI: 10.1126/sciadv.abm2469] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Injectable hydrogels are desired in many biomedical applications due to their minimally invasive deployment to the body and their ability to introduce drugs. However, current injectables suffer from mechanical mismatch with tissue, fragility, water expulsion, and high viscosity. To address these issues, we design brush-like macromolecules that concurrently provide softness, firmness, strength, fluidity, and swellability. The synthesized linear-bottlebrush-linear (LBL) copolymers facilitate improved injectability as the compact conformation of bottlebrush blocks results in low solution viscosity, while the thermoresponsive linear blocks permit prompt gelation at 37°C. The resulting hydrogels mimic the deformation response of supersoft tissues such as adipose and brain while withstanding deformations of 700% and precluding water expulsion upon gelation. Given their low cytotoxicity and mild inflammation in vivo, the developed materials will have vital implications for reconstructive surgery, tissue engineering, and drug delivery applications.
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Affiliation(s)
- Foad Vashahi
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3290, USA
| | - Michael R. Martinez
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, PA 15213, USA
| | - Erfan Dashtimoghadam
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3290, USA
| | - Farahnaz Fahimipour
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3290, USA
| | - Andrew N. Keith
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3290, USA
| | - Egor A. Bersenev
- Phystech School of Electronics, Photonics, and Molecular Physics, Moscow Institute of Physics and Technology, Institutskiy per. 9, Dolgoprudny 141700, Russia
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka 142432, Russia
| | - Dimitri A. Ivanov
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka 142432, Russia
- Institut de Sciences des Matériaux de Mulhouse-IS2M, CNRS UMR 7361, 15 rue Jean Starcky, F-68057 Mulhouse, France
- Faculty of Chemistry, Lomonosov Moscow State University, Leninskie Gory 1/51, Moscow 119991, Russia
| | - Ekaterina B. Zhulina
- Institute of Macromolecular Compounds, Russian Academy of Sciences, St. Petersburg 199004, Russia
| | - Pavel Popryadukhin
- Institute of Macromolecular Compounds, Russian Academy of Sciences, St. Petersburg 199004, Russia
| | - Krzysztof Matyjaszewski
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, PA 15213, USA
- Corresponding author. (S.S.S.); (M.V.-V.); (K.M.)
| | - Mohammad Vatankhah-Varnosfaderani
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3290, USA
- Corresponding author. (S.S.S.); (M.V.-V.); (K.M.)
| | - Sergei S. Sheiko
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3290, USA
- Corresponding author. (S.S.S.); (M.V.-V.); (K.M.)
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Fournier L, Rivera Mirabal DM, Hillmyer MA. Toward Sustainable Elastomers from the Grafting-Through Polymerization of Lactone-Containing Polyester Macromonomers. Macromolecules 2022. [DOI: 10.1021/acs.macromol.1c02349] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Lucie Fournier
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455-0431, United States
| | | | - Marc A. Hillmyer
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455-0431, United States
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13
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Cushman K, Keith A, Tanaka J, Sheiko SS, You W. Investigating the Stress–Strain Behavior in Ring-Opening Metathesis Polymerization-Based Brush Elastomers. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c01095] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Kyle Cushman
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Andrew Keith
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Joji Tanaka
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Sergei S. Sheiko
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Wei You
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
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14
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Starvaggi H, Tian Y, Liang H, Dobrynin AV. Bottlebrushes and Combs with Bimodal Distribution of the Side Chains: Diagram of States and Scattering Function. Macromolecules 2021. [DOI: 10.1021/acs.macromol.0c02610] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Haley Starvaggi
- School of Polymer Science and Polymer Engineering, University of Akron, Akron, Ohio 44325, United States
| | - Yuan Tian
- Department of Chemistry, University of North Carolina, Chapel Hill, North Carolina 27599, United States
| | - Heyi Liang
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, Illinois 60637, United States
| | - Andrey V. Dobrynin
- Department of Chemistry, University of North Carolina, Chapel Hill, North Carolina 27599, United States
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