1
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Ivanchenko O, Odnoroh M, Rolle F, Kroeger AA, Mallet-Ladeira S, Mazières S, Guerre M, Coote ML, Destarac M. 2-Cyanopropan-2-yl versus 1-Cyanocyclohex-1-yl Leaving Group: Comparing Reactivities of Symmetrical Trithiocarbonates in RAFT Polymerization. Macromol Rapid Commun 2024:e2400317. [PMID: 38837466 DOI: 10.1002/marc.202400317] [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: 05/07/2024] [Revised: 05/29/2024] [Indexed: 06/07/2024]
Abstract
This study introduces bis(1-cyanocyclohex-1-yl)trithiocarbonate (TTC-bCCH) as a novel trithiocarbonate chain transfer agent and compares its reactivity with the previously described bis(2-cyanopropan-2-yl)trithiocarbonate (TTC-bCP) for the reversible addition-fragmentation chain transfer (RAFT) polymerization of styrene (St), n-butyl acrylate (nBA), and methyl methacrylate (MMA). Significant findings include the effective control of Mn and low dispersities from the onset of polymerization of St and nBA showing swift addition-fragmentation kinetics, leading to similar behaviors between the two RAFT agents. In contrast, a fourfold decrease of the chain transfer constant to MMA is established for TTC-bCCH over TTC-bCP. This trend is confirmed through density functional theory (DFT) calculations. Finally, the study compares thermoplastic elastomer properties of all-(meth)acrylic ABA block copolymers produced with both RAFT agents. The impact of dispersity of PMMA blocks on thermomechanical properties evaluated via rheological analysis reveals a more pronounced temperature dependence of the storage modulus (G') for the triblock copolymer synthesized with TTC-bCCH, indicating potential alteration of the phase separation.
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Affiliation(s)
- Oleksandr Ivanchenko
- Laboratoire SOFTMAT, Université Toulouse 3 - Paul Sabatier, CNRS UMR 5623, 118 route de Narbonne, Toulouse, 31062, France
| | - Maksym Odnoroh
- Laboratoire SOFTMAT, Université Toulouse 3 - Paul Sabatier, CNRS UMR 5623, 118 route de Narbonne, Toulouse, 31062, France
| | - Faustine Rolle
- Laboratoire SOFTMAT, Université Toulouse 3 - Paul Sabatier, CNRS UMR 5623, 118 route de Narbonne, Toulouse, 31062, France
| | - Asja A Kroeger
- Institute for Nanoscale Science & Technology, Flinders University, Adelaide, South Australia, 5042, Australia
| | - Sonia Mallet-Ladeira
- Institut de Chimie de Toulouse (UAR 2599) / Université Toulouse 3 - Paul Sabatier, 118 route de Narbonne, Toulouse, 31062, France
| | - Stéphane Mazières
- Laboratoire SOFTMAT, Université Toulouse 3 - Paul Sabatier, CNRS UMR 5623, 118 route de Narbonne, Toulouse, 31062, France
| | - Marc Guerre
- Laboratoire SOFTMAT, Université Toulouse 3 - Paul Sabatier, CNRS UMR 5623, 118 route de Narbonne, Toulouse, 31062, France
| | - Michelle L Coote
- Institute for Nanoscale Science & Technology, Flinders University, Adelaide, South Australia, 5042, Australia
| | - Mathias Destarac
- Laboratoire SOFTMAT, Université Toulouse 3 - Paul Sabatier, CNRS UMR 5623, 118 route de Narbonne, Toulouse, 31062, France
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2
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Kosloski-Oh SC, Manjarrez Y, Boghossian TJ, Fieser ME. Controlled, one-pot synthesis of recyclable poly(1,3-diene)-polyester block copolymers, catalyzed by yttrium β-diketiminate complexes. Chem Sci 2022; 13:9515-9524. [PMID: 36091888 PMCID: PMC9400486 DOI: 10.1039/d2sc02265f] [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: 04/21/2022] [Accepted: 07/21/2022] [Indexed: 11/23/2022] Open
Abstract
The one-pot synthesis of well-defined block copolymers of olefins/1,3-dienes and polar monomers, such as cyclic esters and acrylates has long been the focus of intense research. Cationic alkyl rare earth metal catalysts, activated by organoborates, have shown to be promising for the polymerization of isoprene or styrene and ε-caprolactone. In this study, we synthesize a series of yttrium bis(alkyl) complexes supported by simple β-diketiminate ancillary ligands. Subtle changes have been made to the β-diketiminate ligand framework to elucidate the effect of ligand structure on the rate and selectivity of olefin/1,3-diene and cyclic ester polymerization, with small ligand changes having a large impact on the resulting polymerizations. Generation of the active cationic species was easily streamlined by identification of appropriate catalyst : organoborate ratios, allowing for high catalyst efficiencies. Notably, we demonstrate the first cationic rare earth metal alkyl-initiated polymerization of δ-valerolactone and ε-decalactone as well as introduced five new block copolymer morphologies. In addition, selective degradation of the ester block in poly(isoprene-b-caprolactone) enabled recovery of the polyisoprene block with identical spectroscopic and thermal properties. Significantly, recopolymerization of the recovered poly(1,3-diene) with fresh ε-caprolactone reproduced the desired diblocks with nearly identical thermal and physical properties to those of virgin copolymer, illustrating a plausible recycling scheme for these materials. Ligand features that promote one-pot block copolymerization of 1,3-dienes and cyclic esters were realized with yttrium β-diketiminate complexes. Depolymerization and repolymerization of the polyester block introduced a plausible recycling strategy.![]()
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Affiliation(s)
- Sophia C. Kosloski-Oh
- Department of Chemistry, University of Southern California, Los Angeles, California 90089, USA
| | - Yvonne Manjarrez
- Department of Chemistry, University of Southern California, Los Angeles, California 90089, USA
| | - Taleen J. Boghossian
- Department of Chemistry, University of Southern California, Los Angeles, California 90089, USA
| | - Megan E. Fieser
- Department of Chemistry, University of Southern California, Los Angeles, California 90089, USA
- Wrigley Institute for Environmental Studies, University of Southern California, Los Angeles, California 90089, USA
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3
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Ivanchenko O, Odnoroh M, Mallet-Ladeira S, Guerre M, Mazières S, Destarac M. Azo-Derived Symmetrical Trithiocarbonate for Unprecedented RAFT Control. J Am Chem Soc 2021; 143:20585-20590. [PMID: 34861112 DOI: 10.1021/jacs.1c10031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Bis(2-cyanopropan-2-yl)trithiocarbonate (TTC-bCP) is a new symmetrical trithiocarbonate with the best leaving group ever reported for reversible addition-fragmentation chain transfer (RAFT) polymerization. We propose an elegant route to obtain TTC-bCP starting from 2,2'-azobis(2-methylpropionitrile) (AIBN) as a donor of the 2-cyanopropan-2-yl group. TTC-bCP allowed the preparation of a high-molar-mass (Mn ≈ 135 kg mol-1) methyl methacrylate-n-butyl acrylate-methyl methacrylate triblock copolymer with unprecedented control (D̵ = 1.04) in reversible-deactivation radical polymerization. Rheology measurements of this triblock copolymer showed a typical thermoplastic elastomer behavior with a steady rubbery plateau up to 120 °C.
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Affiliation(s)
- Oleksandr Ivanchenko
- Laboratoire des IMRCP, Université Toulouse 3-Paul Sabatier, CNRS UMR 5623, 118 route de Narbonne, 31062 Toulouse, France
| | - Maksym Odnoroh
- Laboratoire des IMRCP, Université Toulouse 3-Paul Sabatier, CNRS UMR 5623, 118 route de Narbonne, 31062 Toulouse, France
| | - Sonia Mallet-Ladeira
- Institut de Chimie de Toulouse (UAR 2599), Université Toulouse 3-Paul Sabatier, 118 route de Narbonne, 31062 Toulouse, France
| | - Marc Guerre
- Laboratoire des IMRCP, Université Toulouse 3-Paul Sabatier, CNRS UMR 5623, 118 route de Narbonne, 31062 Toulouse, France
| | - Stéphane Mazières
- Laboratoire des IMRCP, Université Toulouse 3-Paul Sabatier, CNRS UMR 5623, 118 route de Narbonne, 31062 Toulouse, France
| | - Mathias Destarac
- Laboratoire des IMRCP, Université Toulouse 3-Paul Sabatier, CNRS UMR 5623, 118 route de Narbonne, 31062 Toulouse, France
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4
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Kalita U, Samanta S, Banerjee SL, Das NC, Singha NK. Biobased Thermoplastic Elastomer Based on an SMS Triblock Copolymer Prepared via RAFT Polymerization in Aqueous Medium. Macromolecules 2021. [DOI: 10.1021/acs.macromol.0c02169] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Uddhab Kalita
- Rubber Technology Centre, Indian Institute of Technology, Kharagpur 721302, India
| | - Sarthik Samanta
- Rubber Technology Centre, Indian Institute of Technology, Kharagpur 721302, India
| | - Sovan Lal Banerjee
- Rubber Technology Centre, Indian Institute of Technology, Kharagpur 721302, India
| | - Narayan C. Das
- Rubber Technology Centre, Indian Institute of Technology, Kharagpur 721302, India
- School of Nanoscience and Technology, Indian Institute of Technology, Kharagpur 721302, India
| | - Nikhil K. Singha
- Rubber Technology Centre, Indian Institute of Technology, Kharagpur 721302, India
- School of Nanoscience and Technology, Indian Institute of Technology, Kharagpur 721302, India
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5
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Mulchandani N, Masutani K, Kumar S, Yamane H, Sakurai S, Kimura Y, Katiyar V. Toughened PLA-b-PCL-b-PLA triblock copolymer based biomaterials: effect of self-assembled nanostructure and stereocomplexation on the mechanical properties. Polym Chem 2021. [DOI: 10.1039/d1py00429h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The current research unfolds the effect of block lengths, microdomain morphology and stereocomplexation on the mechanical properties of PLA-b-PCL-b-PLA triblock copolymers where PCL is involved to improve the poor extensibility of PLA.
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Affiliation(s)
- Neha Mulchandani
- Department of Chemical Engineering
- Indian Institute of Technology Guwahati
- North Guwahati 781-039
- India
| | - Kazunari Masutani
- Department of Biobased Materials Science
- Kyoto Institute of Technology
- Kyoto 606-8585
- Japan
| | - Sachin Kumar
- Department of Bioscience and Bioengineering
- Indian Institute of Technology Guwahati
- North Guwahati 781-039
- India
| | - Hideki Yamane
- Department of Biobased Materials Science
- Kyoto Institute of Technology
- Kyoto 606-8585
- Japan
| | - Shinichi Sakurai
- Department of Chemical Engineering
- Indian Institute of Technology Guwahati
- North Guwahati 781-039
- India
- Department of Biobased Materials Science
| | - Yoshiharu Kimura
- Department of Biobased Materials Science
- Kyoto Institute of Technology
- Kyoto 606-8585
- Japan
| | - Vimal Katiyar
- Department of Chemical Engineering
- Indian Institute of Technology Guwahati
- North Guwahati 781-039
- India
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6
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Murugan N, Amrishkumar P, Nando GB, Singha NK. Thermoplastic elastomer blend based on EMA and NBR; optimization of process parameters. J Appl Polym Sci 2020. [DOI: 10.1002/app.48900] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Narayanan Murugan
- Rubber Technology Centre, Indian Institute of Technology Kharagpur 721302 West Bengal India
- Department of Plastic TechnologyV. S. V. N. Polytechnic College Virudhunagar 626001 Tamilnadu India
| | - Padmakumar Amrishkumar
- Rubber Technology Centre, Indian Institute of Technology Kharagpur 721302 West Bengal India
| | - Golok Behari Nando
- Rubber Technology Centre, Indian Institute of Technology Kharagpur 721302 West Bengal India
- Minerals, Metallurgical & Materials EngineeringIndian Institute of Technology Bhubaneswar 752050 Odisha India
| | - Nikhil Kumar Singha
- Rubber Technology Centre, Indian Institute of Technology Kharagpur 721302 West Bengal India
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7
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Boudraa KE, Bouchaour T, Beyens C, Maschke U. Novel interpenetrating polymer network composed of poly(butyl acrylates) and poly(ethyl-hexyl acrylate). INTERNATIONAL JOURNAL OF POLYMER ANALYSIS AND CHARACTERIZATION 2020. [DOI: 10.1080/1023666x.2020.1737467] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Kamel Eddine Boudraa
- Biology Department, Faculty of Sciences, University of Saida, Saida, Algeria
- Laboratoire de Recherche sur les Macromolécules, Département de Physique, Faculté des Sciences, Université Abou Bakr Belkaïd, Tlemcen, Algeria
| | - Tewfik Bouchaour
- Laboratoire de Recherche sur les Macromolécules, Département de Physique, Faculté des Sciences, Université Abou Bakr Belkaïd, Tlemcen, Algeria
| | - Christophe Beyens
- Unité de Matériaux et de Transformations UMET (UMR CNRS N°8207), Université des Sciences et Technologies de Lille, Villeneuve d’Ascq Cedex, France
| | - Ulrich Maschke
- Unité de Matériaux et de Transformations UMET (UMR CNRS N°8207), Université des Sciences et Technologies de Lille, Villeneuve d’Ascq Cedex, France
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8
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Mogami H, Mori H. Enhanced Heat Resistance and Adhesive Strength of Styrene-Acrylic Triblock Copolymer Elastomers by Incorporating Acrylic Acid. ACS OMEGA 2020; 5:3678-3688. [PMID: 32118183 PMCID: PMC7045544 DOI: 10.1021/acsomega.9b04282] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Accepted: 01/30/2020] [Indexed: 05/27/2023]
Abstract
Herein, we present an industrially applicable strategy to enhance the heat resistance and adhesive properties of ABA triblock copolymer-based elastomers composed of styrene (St) and n-butyl acrylate (nBA) by incorporating acrylic acid (AA) at different segments. Three types of triblock copolymers, namely, poly(St-r-AA)-b-poly(nBA)-b-poly(St-r-AA), poly(St)-b-poly(nBA-r-AA)-b-poly(St), and poly(St)-b-poly(nBA)-b-poly(St), were synthesized by reversible addition-fragmentation chain-transfer (RAFT) polymerization. Large-scale RAFT polymerization afforded industrially applicable AA-containing triblock copolymers with moderate molecular weights and predetermined comonomer compositions (St/nBA/AA = 15/83/2-24/73/3, number-average molecular weight (M n) = 30,000-110,000, and resulting product > 200 g). The heat resistance and pressure-sensitive adhesive properties of the triblock copolymers were evaluated. Among them, poly(St-r-AA)-b-poly(nBA)-b-poly(St-r-AA), having poly(nBA) as the middle soft segment and poly(St-r-AA) as hard segments at both ends, exhibited excellent heat creep resistance and increased adhesiveness to stainless steel. The feasibility to manipulate the heat resistance and adhesive properties by incorporating AA units into hard and soft segments, in addition to the ease of operation, high block efficiency, and metal-free nature owing to the RAFT process, is highly beneficial for practical applications of these copolymers.
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Affiliation(s)
- Hirokazu Mogami
- Department
of Organic Materials Science, Graduate School of Organic Materials
Science, Yamagata University, 4-3-16, Jonan, Yonezawa, Yamagata 992-8510, Japan
- Fujikura
Kasei Co., Ltd, 5-13-1,
Sakurada, Kuki, Saitama 340-0203, Japan
| | - Hideharu Mori
- Department
of Organic Materials Science, Graduate School of Organic Materials
Science, Yamagata University, 4-3-16, Jonan, Yonezawa, Yamagata 992-8510, Japan
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9
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Bhattacharjee M, Pramanik NB, Singha NK, Haloi DJ. Recent advances in RDRP-modified chitosan: a review of its synthesis, properties and applications. Polym Chem 2020. [DOI: 10.1039/d0py00918k] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
RDRP modified Chitosan exhibits improved hydrophobic, cationic and anionic properties, which make them more useful in diversified applications. This review delineates the recent advancement in RDRP-modified chitosan and their properties.
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Affiliation(s)
| | | | - Nikhil K. Singha
- Rubber Technology Centre
- Indian Institute of Technology Kharagpur
- India
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10
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11
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Recent advances in thermoplastic elastomers from living polymerizations: Macromolecular architectures and supramolecular chemistry. Prog Polym Sci 2019. [DOI: 10.1016/j.progpolymsci.2019.04.002] [Citation(s) in RCA: 111] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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12
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Zhang J, Zhang X, Li MC, Dong J, Lee S, Cheng HN, Lei T, Wu Q. Cellulose nanocrystal driven microphase separated nanocomposites: Enhanced mechanical performance and nanostructured morphology. Int J Biol Macromol 2019; 130:685-694. [PMID: 30826401 DOI: 10.1016/j.ijbiomac.2019.02.159] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 08/02/2018] [Accepted: 02/27/2019] [Indexed: 12/01/2022]
Abstract
The interest in the modification of cellulose nanocrystals (CNCs) lies in the potential to homogenously disperse CNCs in hydrophobic polymer matrices and to promote interfacial adhesion. In this work, poly(methyl methacrylate) (PMMA) and poly(butyl acrylate) (PBA) were grafted onto CNCs, thereby imparting their hydrophobic traits. The successful grafting modification led to the increased thermal stability of modified CNCs (MCNCs), and the hydrophobic surface modification was integrated with crystalline structure and morphology of CNCs. The nanocomposites with 7 wt% MCNCs/PBA-co-PMMA had an increase in Young's modulus of >25-fold and in tensile strength at about 3 times compared to these of neat PBA-co-PMMA copolymer. In addition, a micro-phase separated morphology (PBA soft domains, and PMMA and CNC hard domains) of MCNCs/PBA-co-PMMA nanocomposites was observed. The large increase in the storage moduli (glass transition temperatures) and organized morphology of MCNCs/PBA-co-PMMA nanocomposites also elucidated the relationship between mechanical properties and micro-phase separated morphology. Therefore, the MCNCs are effective reinforcing agents for the PBA-co-PMMA thermoplastic elastomers, opening up opportunities for their wide-spread applications in polymer composites.
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Affiliation(s)
- Jinlong Zhang
- School of Renewable Natural Resources, Louisiana State University Agricultural Center, Baton Rouge, LA 70803, USA
| | - Xiuqiang Zhang
- Key Biomass Energy Laboratory of Henan Province, Zhengzhou 450008, Henan, China
| | - Mei-Chun Li
- School of Renewable Natural Resources, Louisiana State University Agricultural Center, Baton Rouge, LA 70803, USA
| | - Ju Dong
- School of Renewable Natural Resources, Louisiana State University Agricultural Center, Baton Rouge, LA 70803, USA
| | - Sunyoung Lee
- Department of Forest Products, National Institute of Forest Research, Seoul 130-712, Republic of Korea
| | - H N Cheng
- US Department of Agriculture, Southern Regional Research Center, Agricultural Research Service, 1100 Robert E Lee Blvd, New Orleans, LA 70124, United States
| | - Tingzhou Lei
- Key Biomass Energy Laboratory of Henan Province, Zhengzhou 450008, Henan, China.
| | - Qinglin Wu
- School of Renewable Natural Resources, Louisiana State University Agricultural Center, Baton Rouge, LA 70803, USA.
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13
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Ito S, Akiyama H, Sekizawa R, Mori M, Fukata T, Yoshida M, Kihara H. Azobenzene-Containing Block Copolymers as Light-Induced Reworkable Adhesives: Effects of Molecular Weight, Composition, and Block Copolymer Architectures on the Adhesive Properties. ACTA ACUST UNITED AC 2019. [DOI: 10.1002/pola.29331] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Shotaro Ito
- Research Institute for Sustainable Chemistry, National Institute of Advanced Industrial Science and Technology (AIST Chugoku); 3-11-32, Kagamiyama, Higashihiroshima, Hiroshima 739-0024 Japan
| | - Haruhisa Akiyama
- Research Institute for Sustainable Chemistry, National Institute of Advanced Industrial Science and Technology (AIST); Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565 Japan
| | - Reiko Sekizawa
- Research Institute for Sustainable Chemistry, National Institute of Advanced Industrial Science and Technology (AIST Chugoku); 3-11-32, Kagamiyama, Higashihiroshima, Hiroshima 739-0024 Japan
| | - Miyuki Mori
- Research Institute for Sustainable Chemistry, National Institute of Advanced Industrial Science and Technology (AIST Chugoku); 3-11-32, Kagamiyama, Higashihiroshima, Hiroshima 739-0024 Japan
| | - Tamaki Fukata
- Research Institute for Sustainable Chemistry, National Institute of Advanced Industrial Science and Technology (AIST); Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565 Japan
| | - Masaru Yoshida
- Research Institute for Sustainable Chemistry, National Institute of Advanced Industrial Science and Technology (AIST); Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565 Japan
| | - Hideyuki Kihara
- Research Institute for Sustainable Chemistry, National Institute of Advanced Industrial Science and Technology (AIST Chugoku); 3-11-32, Kagamiyama, Higashihiroshima, Hiroshima 739-0024 Japan
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14
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Ito S, Akiyama H, Sekizawa R, Mori M, Yoshida M, Kihara H. Light-Induced Reworkable Adhesives Based on ABA-type Triblock Copolymers with Azopolymer Termini. ACS APPLIED MATERIALS & INTERFACES 2018; 10:32649-32658. [PMID: 30152226 DOI: 10.1021/acsami.8b09319] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Photocurable adhesives based on polymers and resins are an integral part of different production processes because of their fast curing and local area bonding ability. Recently, dismantlable adhesives have attracted a lot of attention for recycling adherends or replacement of adhesion defects. However, adhesives that allow repeatable bonding and debonding solely by light irradiation, i.e., without heat activation, are lacking. Here, ABA-type triblock copolymers consisting of poly(meth)acrylates bearing an azobenzene moiety (A block) and 2-ethylhexyl (B block) side chains were synthesized and utilized as photocurable adhesives. In contrast to the azo homopolymers, the block copolymer structure and incorporation of the soft middle block actualized a low concentration of the azobenzene moiety and consequently, higher flexibility of the resultant copolymers. This enabled film formation of the azobenzene-based adhesives and light-induced bonding for the first time. On the basis of the photoisomerization of the azobenzene moiety, changes in their viscoelastic property, i.e., softening and hardening, were induced by UV irradiation at 365 nm (50-100 mW cm-2) and green light irradiation at 520 nm (40 mW cm-2), respectively. In fact, two glass substrates were bonded with the self-standing polymer film, which was sequentially softened and hardened upon UV and green light irradiations. They exhibited shear strengths of 1.5-2.0 MPa, and UV irradiation lowered the adhesion strength to 0.5-0.1 MPa. Interestingly, the repeatable bonding and debonding abilities of the polymers were accomplished without loss of the adhesion strength.
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Affiliation(s)
- Shotaro Ito
- Research Institute for Sustainable Chemistry , National Institute of Advanced Industrial Science and Technology (AIST Chugoku) , 3-11-32 Kagamiyama , Higashihiroshima , Hiroshima 739-0024 , Japan
| | - Haruhisa Akiyama
- Research Institute for Sustainable Chemistry , National Institute of Advanced Industrial Science and Technology (AIST) , Tsukuba Central 5, 1-1-1 Higashi , Tsukuba , Ibaraki 305-8565 , Japan
| | - Reiko Sekizawa
- Research Institute for Sustainable Chemistry , National Institute of Advanced Industrial Science and Technology (AIST Chugoku) , 3-11-32 Kagamiyama , Higashihiroshima , Hiroshima 739-0024 , Japan
| | - Miyuki Mori
- Research Institute for Sustainable Chemistry , National Institute of Advanced Industrial Science and Technology (AIST Chugoku) , 3-11-32 Kagamiyama , Higashihiroshima , Hiroshima 739-0024 , Japan
| | - Masaru Yoshida
- Research Institute for Sustainable Chemistry , National Institute of Advanced Industrial Science and Technology (AIST) , Tsukuba Central 5, 1-1-1 Higashi , Tsukuba , Ibaraki 305-8565 , Japan
| | - Hideyuki Kihara
- Research Institute for Sustainable Chemistry , National Institute of Advanced Industrial Science and Technology (AIST Chugoku) , 3-11-32 Kagamiyama , Higashihiroshima , Hiroshima 739-0024 , Japan
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15
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Dhar A, Koiry BP, Haloi DJ. Synthesis of poly(methyl methacrylate) via ARGET ATRP and study of the effect of solvents and temperatures on its polymerization kinetics. INT J CHEM KINET 2018. [DOI: 10.1002/kin.21210] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Anjana Dhar
- Department of Chemistry; Bodoland University; Kokrajhar India
| | - Bishnu P. Koiry
- B.Voc. Rubber Technology; Tripura University; Suryamaninagar India
| | - Dhruba J. Haloi
- Department of Chemistry; Bodoland University; Kokrajhar India
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16
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Moreno A, Lejnieks J, Galià M, Lligadas G, Percec V. Acetone: a solvent or a reagent depending on the addition order in SET-LRP. Polym Chem 2018. [DOI: 10.1039/c8py01331d] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The importance of reagent order in biphasic SET-LRP in acetone/water mixtures is shown.
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Affiliation(s)
- Adrian Moreno
- Roy & Diana Vagelos Laboratories
- Department of Chemistry
- University of Pennsylvania
- Philadelphia
- USA
| | - Jānis Lejnieks
- Roy & Diana Vagelos Laboratories
- Department of Chemistry
- University of Pennsylvania
- Philadelphia
- USA
| | - Marina Galià
- Laboratory of Sustainable Polymers
- Department of Analytical Chemistry and Organic Chemistry
- University Rovira i Virgili
- Tarragona
- Spain
| | - Gerard Lligadas
- Roy & Diana Vagelos Laboratories
- Department of Chemistry
- University of Pennsylvania
- Philadelphia
- USA
| | - Virgil Percec
- Roy & Diana Vagelos Laboratories
- Department of Chemistry
- University of Pennsylvania
- Philadelphia
- USA
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17
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Mandal P, Ponnupandian S, Choudhury S, Singha NK. TUNING PROPERTIES AND MORPHOLOGY IN HIGH VINYL CONTENT SBS BLOCK COPOLYMER, A THERMOPLASTIC ELASTOMER VIA THIOL-ENE MODIFICATION. RUBBER CHEMISTRY AND TECHNOLOGY 2017. [DOI: 10.5254/rct.17.83761] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
ABSTRACT
Thiol-ene modification of high vinyl content thermoplastic elastomeric styrene butadiene styrene (SBS) block copolymer (BCP) was carried out using different thiolating agents in toluene at 70 °C. 1H NMR analysis confirmed the participation of vinyl double bond in the thiol-ene modification reaction of SBS. Surface morphology of the block copolymers evaluated by atomic force microscopy analysis showed higher roughness after the thiol-ene reaction. The thiol-modified SBS block copolymer showed better adhesion strength and oil resistance properties than the pristine SBS.
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Affiliation(s)
- Prithwiraj Mandal
- Rubber Technology Centre, Indian Institute of Technology Kharagpur, Kharagpur-721302, West Bengal India
| | - Siva Ponnupandian
- Rubber Technology Centre, Indian Institute of Technology Kharagpur, Kharagpur-721302, West Bengal India
| | - Soumyadip Choudhury
- Leibniz-Institut für Polymerforschung Dresden E.V., Hohe str. 6, d-01069 Dresden, Germany
| | - Nikhil K. Singha
- Rubber Technology Centre, Indian Institute of Technology Kharagpur, Kharagpur-721302, West Bengal India
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18
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Smail RB, Jezorek RL, Lejnieks J, Enayati M, Grama S, Monteiro MJ, Percec V. Acetone–water biphasic mixtures as solvents for ultrafast SET-LRP of hydrophobic acrylates. Polym Chem 2017. [DOI: 10.1039/c7py00557a] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Transformation of SET-LRP catalyzed with Cu(0) wire from single phase (acetone/water = 9/1, v/v) into biphase (acetone/water = 8/2, v/v).
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Affiliation(s)
- Rauan B. Smail
- Roy & Diana Vagelos Laboratories
- Department of Chemistry
- University of Pennsylvania
- Philadelphia
- USA
| | - Ryan L. Jezorek
- Roy & Diana Vagelos Laboratories
- Department of Chemistry
- University of Pennsylvania
- Philadelphia
- USA
| | - Jānis Lejnieks
- Roy & Diana Vagelos Laboratories
- Department of Chemistry
- University of Pennsylvania
- Philadelphia
- USA
| | - Mojtaba Enayati
- Roy & Diana Vagelos Laboratories
- Department of Chemistry
- University of Pennsylvania
- Philadelphia
- USA
| | - Silvia Grama
- Roy & Diana Vagelos Laboratories
- Department of Chemistry
- University of Pennsylvania
- Philadelphia
- USA
| | - Michael J. Monteiro
- Australian Institute for Bioengineering and Nanotechnology
- The University of Queensland
- Brisbane
- Australia
| | - Virgil Percec
- Roy & Diana Vagelos Laboratories
- Department of Chemistry
- University of Pennsylvania
- Philadelphia
- USA
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19
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Lu W, Wang Y, Wang W, Cheng S, Zhu J, Xu Y, Hong K, Kang NG, Mays J. All acrylic-based thermoplastic elastomers with high upper service temperature and superior mechanical properties. Polym Chem 2017. [DOI: 10.1039/c7py01225j] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
All acrylic-based thermoplastic elastomers (TPEs) offer potential alternatives to the widely-used styrenic TPEs.
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Affiliation(s)
- Wei Lu
- Department of Chemistry
- University of Tennessee
- Knoxville
- USA
| | - Yangyang Wang
- Center for Nanophase Materials Sciences
- Oak Ridge National Laboratory
- Oak Ridge
- USA
| | - Weiyu Wang
- Center for Nanophase Materials Sciences
- Oak Ridge National Laboratory
- Oak Ridge
- USA
| | - Shiwang Cheng
- Chemical Sciences Division
- Oak Ridge National Laboratory
- Oak Ridge
- USA
| | - Jiahua Zhu
- Center for Nanophase Materials Sciences
- Oak Ridge National Laboratory
- Oak Ridge
- USA
| | - Yuewen Xu
- Center for Nanophase Materials Sciences
- Oak Ridge National Laboratory
- Oak Ridge
- USA
| | - Kunlun Hong
- Center for Nanophase Materials Sciences
- Oak Ridge National Laboratory
- Oak Ridge
- USA
| | - Nam-Goo Kang
- Department of Chemistry
- University of Tennessee
- Knoxville
- USA
| | - Jimmy Mays
- Department of Chemistry
- University of Tennessee
- Knoxville
- USA
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20
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Belsey KE, Topping C, Farrand LD, Holder SJ. Inhibiting the Thermal Gelation of Copolymer Stabilized Nonaqueous Dispersions and the Synthesis of Full Color PMMA Particles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:2556-2566. [PMID: 26927952 DOI: 10.1021/acs.langmuir.6b00063] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Polymeric particle dispersions have numerous potential applications; currently one of the most relevant is their use as inks in electrophoretic displays. These colloidal particles are synthesized from the appropriate monomer using nonaqueous dispersion (NAD) polymerization in a nonpolar solvent, which requires a stabilizer to control particle size and morphology. We have previously reported the facile synthesis of poly(methyl methacrylate)-block-poly(octadecyl acrylate) (PMMA-b-PODA) by atom transfer radical polymerization (ATRP), and its use in the NAD polymerization of MMA in hexane/dodecane solvent mixtures. Here we report the synthesis of monodisperse PMMA particles in dodecane following a standard "industrial" procedure using these PMMA-b-PODA stabilizers. However, it was observed that the particle suspensions solidified when they were left at temperatures below ∼18 °C yet redispersed upon being heated. Differential scanning calorimetry, dynamic light scattering, and rheological studies demonstrated that this thermoresponsive behavior was due to a liquid-gel transition occurring at 17.5 °C as a consequence of the upper critical solution temperature of PODA in dodecane being traversed. Consequently, new copolymers were synthesized by ATRP with an ethylhexyl acrylate (EHA) co-monomer incorporated into the lyophilic (dodecane compatible) block. Dispersions stabilized by these PMMA-b-P(ODA-co-EHA) polymers with high EHA contents exhibited lower gelation temperatures because of the greater solvent compatibility with dodecane. The use of a PMMA65-b-(ODA10-co-EHA45) copolymer stabilizer (with the highest EHA content) gave PMMA dispersions that showed no gelation down to 4 °C and monodisperse cross-linked PMMA particles containing organic dyes (cyan, magenta, red, and black) giving colored particles across the size range of approximately 100-1300 nm.
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Affiliation(s)
- Kate E Belsey
- Functional Materials Group, School of Physical Sciences, University of Kent , Canterbury, Kent CT2 7NH, United Kingdom
| | - Claire Topping
- Merck Chemicals Limited , Chilworth Technical Centre, University Parkway, Southampton SO16 7QD, United Kingdom
| | - Louise D Farrand
- Merck Chemicals Limited , Chilworth Technical Centre, University Parkway, Southampton SO16 7QD, United Kingdom
| | - Simon J Holder
- Functional Materials Group, School of Physical Sciences, University of Kent , Canterbury, Kent CT2 7NH, United Kingdom
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21
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Suzuki T, Yoshida A, Ando S, Nagai K. Synthesis and gas permeability of ABA-type triblock copolymers derived from fluorine-containing polyimide with polyhedral oligomeric silsesquioxane. POLYM INT 2015. [DOI: 10.1002/pi.4897] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Tsubasa Suzuki
- Department of Applied Chemistry; Meiji University; 1-1-1 Higashi-mita Tama-ku Kawasaki 214-8571 Japan
| | - Akihiro Yoshida
- Department of Applied Chemistry; Meiji University; 1-1-1 Higashi-mita Tama-ku Kawasaki 214-8571 Japan
| | - Shota Ando
- Department of Applied Chemistry; Meiji University; 1-1-1 Higashi-mita Tama-ku Kawasaki 214-8571 Japan
| | - Kazukiyo Nagai
- Department of Applied Chemistry; Meiji University; 1-1-1 Higashi-mita Tama-ku Kawasaki 214-8571 Japan
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22
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Koiry BP, Chakrabarty A, Singha NK. Fluorinated amphiphilic block copolymers via RAFT polymerization and their application as surf-RAFT agent in miniemulsion polymerization. RSC Adv 2015. [DOI: 10.1039/c4ra14151b] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Preparation of an amphiphilic block copolymer (Am-BCP) based on poly(ethylene glycol) methyl ether methacrylate (PEGMA) and heptafluorobutyl acrylate (HFBA) via RAFT polymerization and application of this Am-BCP as surf-RAFT agent for polymerization of styrene.
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Affiliation(s)
- Bishnu P. Koiry
- Rubber Technology Centre
- Indian Institute of Technology Kharagpur
- Kharagpur-721302
- India
| | - Arindam Chakrabarty
- Rubber Technology Centre
- Indian Institute of Technology Kharagpur
- Kharagpur-721302
- India
| | - Nikhil K. Singha
- Rubber Technology Centre
- Indian Institute of Technology Kharagpur
- Kharagpur-721302
- India
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23
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Mandal P, Choudhury S, Singha NK. Acrylic ABA triblock copolymer bearing pendant reactive bicycloalkenyl functionality via ATRP and tuning its properties using thiol-ene chemistry. POLYMER 2014. [DOI: 10.1016/j.polymer.2014.08.051] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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24
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Wang W, Liu M, Gu J, Zhang Q, Mays JW. Convenient synthesis and morphology of latex particles composed of poly (methyl methacrylate)-b-poly (n-butyl acrylate) by 1, 1-diphenylethylene (DPE) seeded emulsion polymerization. JOURNAL OF POLYMER RESEARCH 2014. [DOI: 10.1007/s10965-014-0502-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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25
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Jaisankar SN, Haridharan N, Murali A, Sergii P, Špírková M, Mandal AB, Matějka L. Single-electron transfer living radical copolymerization of SWCNT-g-PMMA via graft from approach. POLYMER 2014. [DOI: 10.1016/j.polymer.2014.04.054] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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26
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Synthesis and characterization of poly(2-ethylhexyl acrylate) prepared via atom transfer radical polymerization, reverse atom transfer radical polymerization and radical polymerization. J CHEM SCI 2013. [DOI: 10.1007/s12039-013-0438-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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27
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Kanehashi S, Koyama Y, Ando S, Konishi S, Shindo R, Miyata S, Sato S, Miyakoshi T, Nagai K. Characterization and water vapor sorption property of ABA-type triblock copolymers derived from polyimide and poly(methyl methacrylate). POLYM INT 2013. [DOI: 10.1002/pi.4520] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Shinji Kanehashi
- Department of Applied Chemistry; Meiji University; 1-1-1 Higashi-mita Tama-ku Kawasaki 214-8571 Japan
| | - Yusuke Koyama
- Department of Applied Chemistry; Meiji University; 1-1-1 Higashi-mita Tama-ku Kawasaki 214-8571 Japan
| | - Shota Ando
- Department of Applied Chemistry; Meiji University; 1-1-1 Higashi-mita Tama-ku Kawasaki 214-8571 Japan
| | - Shimpei Konishi
- Department of Applied Chemistry; Meiji University; 1-1-1 Higashi-mita Tama-ku Kawasaki 214-8571 Japan
| | - Ryohei Shindo
- Department of Applied Chemistry; Meiji University; 1-1-1 Higashi-mita Tama-ku Kawasaki 214-8571 Japan
| | - Sou Miyata
- Department of Applied Chemistry; Meiji University; 1-1-1 Higashi-mita Tama-ku Kawasaki 214-8571 Japan
| | - Shuichi Sato
- Department of Applied Chemistry; Meiji University; 1-1-1 Higashi-mita Tama-ku Kawasaki 214-8571 Japan
| | - Tetsuo Miyakoshi
- Department of Applied Chemistry; Meiji University; 1-1-1 Higashi-mita Tama-ku Kawasaki 214-8571 Japan
| | - Kazukiyo Nagai
- Department of Applied Chemistry; Meiji University; 1-1-1 Higashi-mita Tama-ku Kawasaki 214-8571 Japan
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