1
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Nguyen HK, Goseki R, Ishizone T, Nakajima K. Effect of molecular weight and architecture on nanoscale viscoelastic heterogeneity at the surface of polymer films. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.123923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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2
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Goseki R, Tanaka S, Ishizone T, Hirao A. Living anionic polymerization of 1,4-divinylbenzene and its derivatives. REACT FUNCT POLYM 2018. [DOI: 10.1016/j.reactfunctpolym.2018.03.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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3
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Higashihara T, Ito S, Fukuta S, Miyane S, Ochiai Y, Ishizone T, Ueda M, Hirao A. Synthesis and Characterization of Multicomponent ABC- and ABCD-Type Miktoarm Star-Branched Polymers Containing a Poly(3-hexylthiophene) Segment. ACS Macro Lett 2016; 5:631-635. [PMID: 35632385 DOI: 10.1021/acsmacrolett.6b00207] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The new series of ABC-type miktoarm star polymer (ABC star, A = polyisoprene (PI), B = polystyrene (PS), and C = poly(3-hexylthiophene) (P3HT)) and ABCD-type miktoarm star polymer (ABCD star, A = PI, B = PS, C = poly(α-methylstyrene) (PαMS), and D = P3HT) could be synthesized by the combination of the controlled KCTP, anionic linking reaction, and Click chemistry. By the copper(I)-catalyzed Huisgen 1,3-dipolar cycloaddition click reaction of the azido-chain-end-functional P3HT (P3HT-N3) with the alkyne-in-chain-functional AB diblock copolymer (A = PI and B = PS) (AB-alkyne) or alkyne-core-functional ABC miktoarm star polymer (A = PI, B = PS, and C = PαMS) (ABC-alkyne), the target ABC star and ABCD star, respectively, were obtained, as confirmed by size exclusion chromatography (SEC) and proton nuclear magnetic resonance (1H NMR). The thermal and optical properties of these star polymers were examined by thermal gravimetric analysis (TGA) and UV-vis spectroscopy. The dynamic scattering calorimetry (DSC), atomic force micrograph (AFM) image, and grazing incidence small-angle X-ray scattering (GISAXS) results showed that the periodic P3HT fibril nanostructures rather than microphase separation occurred in the ABCD star film. In addition, it was found that highly crystalline P3HT domains aligned in the "edge-on" orientation, as supported by grazing incidence wide-angle X-ray scattering (GIWAXS).
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Affiliation(s)
- Tomoya Higashihara
- Department
of Organic Device Engineering, Graduate School of Science and Engineering, Yamagata University, 4-3-16 Jonan, Yonezawa, Yamagata 992-8510, Japan
| | - Shotaro Ito
- Division
of Soft Material Chemistry, Polymeric and Organic Materials Department,
Graduate School of Science and Engineering, Tokyo Institute of Technology, S1-13, 2-12-1, Ohokayama, Meguro-ku, Tokyo 152-8552, Japan
| | - Seijiro Fukuta
- Department
of Organic Device Engineering, Graduate School of Science and Engineering, Yamagata University, 4-3-16 Jonan, Yonezawa, Yamagata 992-8510, Japan
| | - Satoshi Miyane
- Department
of Organic Device Engineering, Graduate School of Science and Engineering, Yamagata University, 4-3-16 Jonan, Yonezawa, Yamagata 992-8510, Japan
| | - Yuto Ochiai
- Department
of Organic Device Engineering, Graduate School of Science and Engineering, Yamagata University, 4-3-16 Jonan, Yonezawa, Yamagata 992-8510, Japan
| | - Takashi Ishizone
- Division
of Soft Material Chemistry, Polymeric and Organic Materials Department,
Graduate School of Science and Engineering, Tokyo Institute of Technology, S1-13, 2-12-1, Ohokayama, Meguro-ku, Tokyo 152-8552, Japan
| | - Mitsuru Ueda
- Department
of Organic Device Engineering, Graduate School of Science and Engineering, Yamagata University, 4-3-16 Jonan, Yonezawa, Yamagata 992-8510, Japan
| | - Akira Hirao
- Division
of Soft Material Chemistry, Polymeric and Organic Materials Department,
Graduate School of Science and Engineering, Tokyo Institute of Technology, S1-13, 2-12-1, Ohokayama, Meguro-ku, Tokyo 152-8552, Japan
- Department
of Chemical Engineering, National Taiwan University, No.1, Sec.
4, Roosevelt Road, Taipei 10617, Taiwan
- Department
of Applied Chemistry, National Chiao Tung University, 1001 University
Road, Hsinchu 30010, Taiwan
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4
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Goseki R, Ito S, Akemine E, Hirao A. Facile synthesis of multiarmed and multicomponent star polymers by a new iterative methodology using (formyl-protected 1,3-dioxolane)-end-functionalized polymer anions. Polym Chem 2016. [DOI: 10.1039/c6py01341d] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this manuscript, we have developed a new and efficient iterative methodology using formyl-protected 1,3-dioxolane-end-functionalized polymer anions for the facile synthesis of multiarmed and multicomponent miktoarm star polymers.
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Affiliation(s)
- Raita Goseki
- Department of Organic and Polymeric Materials
- Tokyo Institute of Technology
- Tokyo 152-8550
- Japan
- Department of Chemical Science and Engineering
| | - Shotaro Ito
- Department of Organic and Polymeric Materials
- Tokyo Institute of Technology
- Tokyo 152-8550
- Japan
| | - Emi Akemine
- Department of Organic and Polymeric Materials
- Tokyo Institute of Technology
- Tokyo 152-8550
- Japan
| | - Akira Hirao
- Department of Chemical Engineering
- National Taiwan University
- Taiwan
- Department of Applied Chemistry
- National Chiao Tung University
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5
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Ito S, Goseki R, Manners I, Ishizone T, Hirao A. Successive Synthesis of Multiarmed and Multicomponent Star-Branched Polymers by New Iterative Methodology Based on Linking Reaction between Block Copolymer In-Chain Anion and α-Phenylacrylate-Functionalized Polymer. MACROMOL CHEM PHYS 2015. [DOI: 10.1002/macp.201500148] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Shotaro Ito
- Polymeric and Organic Materials Department; Graduate School of Science and Engineering; Tokyo Institute of Technology; 2-12-1-S1-13, Ohokayama Meguro-ku Tokyo 152-8552 Japan
| | - Raita Goseki
- Polymeric and Organic Materials Department; Graduate School of Science and Engineering; Tokyo Institute of Technology; 2-12-1-S1-13, Ohokayama Meguro-ku Tokyo 152-8552 Japan
| | - Ian Manners
- School of Chemistry; University of Bristol; Bristol BS8 1TS UK
| | - Takashi Ishizone
- Polymeric and Organic Materials Department; Graduate School of Science and Engineering; Tokyo Institute of Technology; 2-12-1-S1-13, Ohokayama Meguro-ku Tokyo 152-8552 Japan
| | - Akira Hirao
- Polymeric and Organic Materials Department; Graduate School of Science and Engineering; Tokyo Institute of Technology; 2-12-1-S1-13, Ohokayama Meguro-ku Tokyo 152-8552 Japan
- Institute of Polymer Science and Engineering; National Taiwan University; No. 1, Sec. 4, Roosevelt Road Taipei 10617 Taiwan
- College of Chemistry Chemical Engineering and Materials Science; Soochow University; 199 Ren Ai Road, Suzhou Industrial Park Suzhou 215123 China
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6
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GOSEKI R, TANAKA S, HIRAO A, ISHIZONE T. Living Anionic Polymerization of Divinylbenzene Derivatives. KOBUNSHI RONBUNSHU 2015. [DOI: 10.1295/koron.2015-0004] [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)
- Raita GOSEKI
- Department of Organic and Polymeric Materials, Tokyo Institute of Technology
| | - Shunsuke TANAKA
- Department of Organic and Polymeric Materials, Tokyo Institute of Technology
| | - Akira HIRAO
- Department of Organic and Polymeric Materials, Tokyo Institute of Technology
- Institute of Polymer Science and Engineering, National Taiwan University
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University
| | - Takashi ISHIZONE
- Department of Organic and Polymeric Materials, Tokyo Institute of Technology
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7
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Sequential Reactions for Post-polymerization Modifications. MULTI-COMPONENT AND SEQUENTIAL REACTIONS IN POLYMER SYNTHESIS 2015. [DOI: 10.1007/12_2015_312] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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8
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Higashihara T, Ito S, Fukuta S, Koganezawa T, Ueda M, Ishizone T, Hirao A. Synthesis and Characterization of ABC-Type Asymmetric Star Polymers Comprised of Poly(3-hexylthiophene), Polystyrene, and Poly(2-vinylpyridine) Segments. Macromolecules 2014. [DOI: 10.1021/ma5023814] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Tomoya Higashihara
- Department
of Polymer Science and Engineering, Graduate School of Science and
Engineering, Yamagata University, 4-3-16 Jonan, Yonezawa, Yamagata 992-8510, Japan
| | - Shotaro Ito
- Division
of Soft Material Chemistry, Polymeric and Organic Materials Department,
Graduate School of Science and Engineering, Tokyo Institute of Technology, S1-13, 2-12-1, Ohokayama, Meguro-ku, Tokyo 152-8552, Japan
| | - Seijiro Fukuta
- Department
of Polymer Science and Engineering, Graduate School of Science and
Engineering, Yamagata University, 4-3-16 Jonan, Yonezawa, Yamagata 992-8510, Japan
| | - Tomoyuki Koganezawa
- Japan Synchrotron Radiation Research Institute, 1-1-1, Kouto, Sayo-cho,
Sayo-gun, Hyogo 679-5198, Japan
| | - Mitsuru Ueda
- Department
of Polymer Science and Engineering, Graduate School of Science and
Engineering, Yamagata University, 4-3-16 Jonan, Yonezawa, Yamagata 992-8510, Japan
- Institute
of Polymer Science and Engineering, National Taiwan University, No.
1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan
| | - Takashi Ishizone
- Division
of Soft Material Chemistry, Polymeric and Organic Materials Department,
Graduate School of Science and Engineering, Tokyo Institute of Technology, S1-13, 2-12-1, Ohokayama, Meguro-ku, Tokyo 152-8552, Japan
| | - Akira Hirao
- Division
of Soft Material Chemistry, Polymeric and Organic Materials Department,
Graduate School of Science and Engineering, Tokyo Institute of Technology, S1-13, 2-12-1, Ohokayama, Meguro-ku, Tokyo 152-8552, Japan
- Institute
of Polymer Science and Engineering, National Taiwan University, No.
1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan
- College
of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren Ai Road, Suzhou Industrial Park, Suzhou 215123, China
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9
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Ree M. Probing the self-assembled nanostructures of functional polymers with synchrotron grazing incidence X-ray scattering. Macromol Rapid Commun 2014; 35:930-59. [PMID: 24706560 DOI: 10.1002/marc.201400025] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2014] [Indexed: 11/09/2022]
Abstract
For advanced functional polymers such as biopolymers, biomimic polymers, brush polymers, star polymers, dendritic polymers, and block copolymers, information about their surface structures, morphologies, and atomic structures is essential for understanding their properties and investigating their potential applications. Grazing incidence X-ray scattering (GIXS) is established for the last 15 years as the most powerful, versatile, and nondestructive tool for determining these structural details when performed with the aid of an advanced third-generation synchrotron radiation source with high flux, high energy resolution, energy tunability, and small beam size. One particular merit of this technique is that GIXS data can be obtained facilely for material specimens of any size, type, or shape. However, GIXS data analysis requires an understanding of GIXS theory and of refraction and reflection effects, and for any given material specimen, the best methods for extracting the form factor and the structure factor from the data need to be established. GIXS theory is reviewed here from the perspective of practical GIXS measurements and quantitative data analysis. In addition, schemes are discussed for the detailed analysis of GIXS data for the various self-assembled nanostructures of functional homopolymers, brush, star, and dendritic polymers, and block copolymers. Moreover, enhancements to the GIXS technique are discussed that can significantly improve its structure analysis by using the new synchrotron radiation sources such as third-generation X-ray sources with picosecond pulses and partial coherence and fourth-generation X-ray laser sources with femtosecond pulses and full coherence.
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Affiliation(s)
- Moonhor Ree
- Department of Chemistry, Division of Advanced Materials Science, Pohang Accelerator Laboratory, Center for Electro-Photo Behaviors in Advanced Molecular Systems, Polymer Research Institute, and BK School of Molecular Science, Pohang University of Science & Technology, Pohang, 790-784, Republic of Korea
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10
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Hirao A, Goseki R, Ishizone T. Advances in Living Anionic Polymerization: From Functional Monomers, Polymerization Systems, to Macromolecular Architectures. Macromolecules 2014. [DOI: 10.1021/ma401175m] [Citation(s) in RCA: 183] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Akira Hirao
- Department
of Organic and Polymeric Materials, Graduate School of Science and
Engineering, Tokyo Institute of Technology, 2-12-1-S1-13, Ohokayama, Meguro-ku, Tokyo 152-8552, Japan
- Institute
of Polymer Science and Engineering, National Taiwan University, No.
1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan
- College
of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren Ai Road, Suzhou Industrial Park, Suzhou 215123, China
| | - Raita Goseki
- Department
of Organic and Polymeric Materials, Graduate School of Science and
Engineering, Tokyo Institute of Technology, 2-12-1-S1-13, Ohokayama, Meguro-ku, Tokyo 152-8552, Japan
| | - Takashi Ishizone
- Department
of Organic and Polymeric Materials, Graduate School of Science and
Engineering, Tokyo Institute of Technology, 2-12-1-S1-13, Ohokayama, Meguro-ku, Tokyo 152-8552, Japan
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11
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Rho Y, Kim C, Higashihara T, Jin S, Jung J, Shin TJ, Hirao A, Ree M. Complex Self-Assembled Morphologies of Thin Films of an Asymmetric A 3B 3C 3 Star Polymer. ACS Macro Lett 2013; 2:849-855. [PMID: 35607002 DOI: 10.1021/mz400363k] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
An asymmetric nine-arm star polymer, (polystyrene)3-(poly(4-methoxystyrene))3-(polyisoprene)3 (PS3-PMOS3-PI3) was synthesized, and the details of the structures of its thin films were successfully investigated for the first time by using in situ grazing incidence X-ray scattering (GIXS) with a synchrotron radiation source. Our quantitative GIXS analysis showed that thin films of the star polymer molecules have very complex but highly ordered and preferentially in-plane oriented hexagonal (HEX) structures consisting of truncated PS cylinders and PMOS triangular prisms in a PI matrix. This HEX structure undergoes a partial rotational transformation process at temperatures above 190 °C that produces a 30°-rotated HEX structure; this structural isomer forms with a volume fraction of 23% during heating up to 220 °C and persists during subsequent cooling. These interesting and complex self-assembled nanostructures are discussed in terms of phase separation, arm number, volume ratio, and confinement effects.
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Affiliation(s)
- Yecheol Rho
- Department
of Chemistry, Division of Advanced Materials Science, Center for Electro-Photo
Behaviors in Advanced Molecular Systems, Polymer Research Institute,
and BK School of Molecular Science, Pohang University of Science and Technology, Pohang 790-784, Republic of Korea
| | - Changsub Kim
- Department
of Chemistry, Division of Advanced Materials Science, Center for Electro-Photo
Behaviors in Advanced Molecular Systems, Polymer Research Institute,
and BK School of Molecular Science, Pohang University of Science and Technology, Pohang 790-784, Republic of Korea
| | - Tomoya Higashihara
- Polymeric
and Organic Materials Department, Graduate School of Science and Engineering, Tokyo Institute of Technology, H-127, 2-12-1, O-okayama, Meguro-ku, Tokyo 152-8552, Japan
| | - Sangwoo Jin
- Department
of Chemistry, Division of Advanced Materials Science, Center for Electro-Photo
Behaviors in Advanced Molecular Systems, Polymer Research Institute,
and BK School of Molecular Science, Pohang University of Science and Technology, Pohang 790-784, Republic of Korea
| | - Jungwoon Jung
- Department
of Chemistry, Division of Advanced Materials Science, Center for Electro-Photo
Behaviors in Advanced Molecular Systems, Polymer Research Institute,
and BK School of Molecular Science, Pohang University of Science and Technology, Pohang 790-784, Republic of Korea
| | - Tae Joo Shin
- Pohang
Accelerator Laboratory, Pohang University of Science and Technology, Pohang 790-784, Republic of Korea
| | - Akira Hirao
- Polymeric
and Organic Materials Department, Graduate School of Science and Engineering, Tokyo Institute of Technology, H-127, 2-12-1, O-okayama, Meguro-ku, Tokyo 152-8552, Japan
| | - Moonhor Ree
- Department
of Chemistry, Division of Advanced Materials Science, Center for Electro-Photo
Behaviors in Advanced Molecular Systems, Polymer Research Institute,
and BK School of Molecular Science, Pohang University of Science and Technology, Pohang 790-784, Republic of Korea
- Pohang
Accelerator Laboratory, Pohang University of Science and Technology, Pohang 790-784, Republic of Korea
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12
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Successive synthesis of well-defined multiarmed miktoarm star polymers by iterative methodology using living anionic polymerization. Eur Polym J 2013. [DOI: 10.1016/j.eurpolymj.2013.05.014] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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13
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Goseki R, Ozama Y, Akemine E, Ito S, Ehara S, Hirao A. Precise synthesis of poly(methacrylate)-based miktoarm star polymers by a new stepwise iterative methodology using a formyl-functionalized 1,1-diphenylethylene derivative. POLYMER 2013. [DOI: 10.1016/j.polymer.2013.01.026] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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14
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Ito S, Goseki R, Ishizone T, Senda S, Hirao A. Successive Synthesis of Miktoarm Star Polymers Having up to Seven Arms by a New Iterative Methodology Based on Living Anionic Polymerization Using a Trifunctional Lithium Reagent. Macromolecules 2013. [DOI: 10.1021/ma3024975] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Shotaro Ito
- Polymeric and Organic Materials Department, Graduate School
of Science and Engineering, Tokyo Institute of Technology, S1-6, 2-12-1, Ohokayama, Meguro-ku, Tokyo 152-8552, Japan
| | - Raita Goseki
- Polymeric and Organic Materials Department, Graduate School
of Science and Engineering, Tokyo Institute of Technology, S1-6, 2-12-1, Ohokayama, Meguro-ku, Tokyo 152-8552, Japan
| | - Takashi Ishizone
- Polymeric and Organic Materials Department, Graduate School
of Science and Engineering, Tokyo Institute of Technology, S1-6, 2-12-1, Ohokayama, Meguro-ku, Tokyo 152-8552, Japan
| | - Saeko Senda
- Polymeric and Organic Materials Department, Graduate School
of Science and Engineering, Tokyo Institute of Technology, S1-6, 2-12-1, Ohokayama, Meguro-ku, Tokyo 152-8552, Japan
| | - Akira Hirao
- Polymeric and Organic Materials Department, Graduate School
of Science and Engineering, Tokyo Institute of Technology, S1-6, 2-12-1, Ohokayama, Meguro-ku, Tokyo 152-8552, Japan
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15
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Ito S, Goseki R, Senda S, Hirao A. Precise Synthesis of Miktoarm Star Polymers by Using a New Dual-Functionalized 1,1-Diphenylethylene Derivative in Conjunction with Living Anionic Polymerization System. Macromolecules 2012. [DOI: 10.1021/ma300699m] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Shotaro Ito
- Polymeric and Organic Materials
Department, Graduate School of Science and Engineering, Tokyo Institute of Technology, S1-6, 2-12-1, Ohokayama,
Meguro-ku, Tokyo 152-8552, Japan
| | - Raita Goseki
- Polymeric and Organic Materials
Department, Graduate School of Science and Engineering, Tokyo Institute of Technology, S1-6, 2-12-1, Ohokayama,
Meguro-ku, Tokyo 152-8552, Japan
| | - Saeko Senda
- Polymeric and Organic Materials
Department, Graduate School of Science and Engineering, Tokyo Institute of Technology, S1-6, 2-12-1, Ohokayama,
Meguro-ku, Tokyo 152-8552, Japan
| | - Akira Hirao
- Polymeric and Organic Materials
Department, Graduate School of Science and Engineering, Tokyo Institute of Technology, S1-6, 2-12-1, Ohokayama,
Meguro-ku, Tokyo 152-8552, Japan
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16
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Melt rheology of star polymers with large number of small arms, prepared by crosslinking poly(n-butyl acrylate) macromonomers via ATRP. Eur Polym J 2011. [DOI: 10.1016/j.eurpolymj.2010.09.037] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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17
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Higashihara T, Hayashi M, Hirao A. Synthesis of well-defined star-branched polymers by stepwise iterative methodology using living anionic polymerization. Prog Polym Sci 2011. [DOI: 10.1016/j.progpolymsci.2010.08.001] [Citation(s) in RCA: 137] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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18
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Hirao A, Murano K, Oie T, Uematsu M, Goseki R, Matsuo Y. Chain-end- and in-chain-functionalized AB diblock copolymers as key building blocks in the synthesis of well-defined architectural polymers. Polym Chem 2011. [DOI: 10.1039/c0py00344a] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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19
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Higashihara T, Inoue K, Hirao A. Successive Synthesis of Well-Defined Star-Branched Polymers by “Convergent” Iterative Methodology Using Core-Functionalized 3-Arm Star-Branched Polymer and a Specially Designed 1,1-Diphenylethylene Derivative. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/masy.201051009] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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20
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Kinetic and thermodynamic characteristics of anionic living-equilibrium polymerization for (p-Isopropenylphenethyl)poly(α-methylstyrene) macromonomer. POLYMER 2010. [DOI: 10.1016/j.polymer.2010.08.029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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21
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Kumagai S, Nagai K, Satoh K, Kamigaito M. In-Situ Direct Mechanistic Transformation from RAFT to Living Cationic Polymerization for (Meth)acrylate−Vinyl Ether Block Copolymers. Macromolecules 2010. [DOI: 10.1021/ma101420u] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Shinya Kumagai
- Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
| | - Kanji Nagai
- Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
| | - Kotaro Satoh
- Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
| | - Masami Kamigaito
- Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
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22
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Zhang W, Zhang W, Zhang Z, Cheng Z, Tu Y, Qiu Y, Zhu X. Thermo-responsive fluorescent micelles from amphiphilic A3B miktoarm star copolymers prepared via a combination of SET-LRP and RAFT polymerization. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/pola.24214] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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23
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Hsu JC, Sugiyama K, Chiu YC, Hirao A, Chen WC. Synthesis of New Star-Shaped Polymers with Styrene−Fluorene Conjugated Moieties and Their Multicolor Luminescent Ordered Microporous Films. Macromolecules 2010. [DOI: 10.1021/ma101243s] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jung-Ching Hsu
- Department of Chemical Engineering, National Taiwan University, Taipei 10617, Taiwan
| | - Kenji Sugiyama
- Department of Organic and Polymeric Materials, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8552, Japan
| | - Yu-Cheng Chiu
- Department of Chemical Engineering, National Taiwan University, Taipei 10617, Taiwan
| | - Akira Hirao
- Department of Organic and Polymeric Materials, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8552, Japan
| | - Wen-Chang Chen
- Department of Chemical Engineering, National Taiwan University, Taipei 10617, Taiwan
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei 10617, Taiwan
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24
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Hirano T, Yoo HS, Ozama Y, Abou El-Magd A, Sugiyama K, Hirao A. Precise Synthesis of Novel Ferrocene-Based Star-Branched Polymers by Using Specially Designed 1,1-Diphenylethylene Derivatives in Conjunction with Living Anionic Polymerization. J Inorg Organomet Polym Mater 2010. [DOI: 10.1007/s10904-010-9377-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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25
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Ohishi T, Masukawa T, Fujii S, Yokoyama A, Yokozawa T. Synthesis of Core Cross-Linked Star Polymers Consisting of Well-Defined Aromatic Polyamide Arms. Macromolecules 2010. [DOI: 10.1021/ma902412t] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Tomoyuki Ohishi
- Department of Material and Life Chemistry, Kanagawa University, Rokkakubashi, Kanagawa-ku, Yokohama 221-8686, Japan
| | - Tomohiro Masukawa
- Department of Material and Life Chemistry, Kanagawa University, Rokkakubashi, Kanagawa-ku, Yokohama 221-8686, Japan
| | - Shuichi Fujii
- Department of Material and Life Chemistry, Kanagawa University, Rokkakubashi, Kanagawa-ku, Yokohama 221-8686, Japan
| | - Akihiro Yokoyama
- Department of Material and Life Chemistry, Kanagawa University, Rokkakubashi, Kanagawa-ku, Yokohama 221-8686, Japan
| | - Tsutomu Yokozawa
- Department of Material and Life Chemistry, Kanagawa University, Rokkakubashi, Kanagawa-ku, Yokohama 221-8686, Japan
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26
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Higashihara T, Sugiyama K, Yoo HS, Hayashi M, Hirao A. Combining Living Anionic Polymerization with Branching Reactions in an Iterative Fashion to Design Branched Polymers. Macromol Rapid Commun 2010; 31:1031-59. [DOI: 10.1002/marc.200900773] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2009] [Revised: 01/12/2010] [Indexed: 11/10/2022]
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27
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Zhang WB, Sun B, Li H, Ren X, Janoski J, Sahoo S, Dabney DE, Wesdemiotis C, Quirk RP, Cheng SZD. Synthesis of In-Chain-Functionalized Polystyrene-block-poly(dimethylsiloxane) Diblock Copolymers by Anionic Polymerization and Hydrosilylation Using Dimethyl-[4-(1-phenylvinyl)phenyl]silane. Macromolecules 2009. [DOI: 10.1021/ma901506d] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Wen-Bin Zhang
- College of Polymer Science and Polymer Engineering, Department of Polymer Science, the University of Akron, Akron, Ohio 44325
| | - Bin Sun
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, P. R. China
| | - Hui Li
- School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Xiangkui Ren
- College of Polymer Science and Polymer Engineering, Department of Polymer Science, the University of Akron, Akron, Ohio 44325
| | - Jonathan Janoski
- College of Polymer Science and Polymer Engineering, Department of Polymer Science, the University of Akron, Akron, Ohio 44325
| | - Sujata Sahoo
- College of Polymer Science and Polymer Engineering, Department of Polymer Science, the University of Akron, Akron, Ohio 44325
| | - David E. Dabney
- Department of Chemistry, the University of Akron, Akron, Ohio 44325
| | - Chrys Wesdemiotis
- College of Polymer Science and Polymer Engineering, Department of Polymer Science, the University of Akron, Akron, Ohio 44325
- Department of Chemistry, the University of Akron, Akron, Ohio 44325
| | - Roderic P. Quirk
- College of Polymer Science and Polymer Engineering, Department of Polymer Science, the University of Akron, Akron, Ohio 44325
| | - Stephen Z. D. Cheng
- College of Polymer Science and Polymer Engineering, Department of Polymer Science, the University of Akron, Akron, Ohio 44325
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28
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Higashihara T, Sakurai T, Hirao A. Successive Synthesis of Asymmetric Star-Branched Polymers Based on Iterative Methodology Using 1,1-Diphenylethylene Derivatives of Alternative Choice at Each Iteration. Macromolecules 2009. [DOI: 10.1021/ma900750n] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Tomoya Higashihara
- Department of Organic and Polymeric Materials, Graduate School of Science and Engineering, Tokyo Institute of Technology 2-12-1-H-127, O-okayama, Meguro-Ku, Tokyo 152-8552, Japan
| | - Takuro Sakurai
- Department of Organic and Polymeric Materials, Graduate School of Science and Engineering, Tokyo Institute of Technology 2-12-1-H-127, O-okayama, Meguro-Ku, Tokyo 152-8552, Japan
| | - Akira Hirao
- Department of Organic and Polymeric Materials, Graduate School of Science and Engineering, Tokyo Institute of Technology 2-12-1-H-127, O-okayama, Meguro-Ku, Tokyo 152-8552, Japan
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