Makoto Ouchi
Kyoto University
Radical polymerizationChain transferMethacrylateCopolymerLiving cationic polymerizationCatalysisMonomerCationic polymerizationChemistryPolymer chemistryMaterials scienceSolution polymerizationMethyl methacrylateVinyl etherReversible addition-fragmentation chain-transfer polymerizationPolymerizationLiving polymerizationPolymerPhotochemistryLiving free-radical polymerization
140Publications
32H-index
4,345Citations
Publications 144
Newest
#1Takaya Ikami (Kyoto University)H-Index: 1
#2Yuki Watanabe (Kyoto University)H-Index: 4
Last. Takaya Terashima (Kyoto University)H-Index: 35
view all 8 authors...
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#1Taichi Kimura (Kyoto University)
#2Keita Kuroda (Kyoto University)
Last. Makoto Ouchi (Kyoto University)H-Index: 32
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#1Tomoaki Kanazawa (Kyoto University)
#2Tsuyoshi Nishikawa (Kyoto University)H-Index: 10
Last. Makoto Ouchi (Kyoto University)H-Index: 32
view all 3 authors...
In this work, various types of chain-transfer agents (CTAs) were investigated in the reversible addition-fragmentation chain-transfer (RAFT) polymerization of isopropenyl boronate pinacol ester (IPBpin) toward not only precise synthesis of poly(IPBpin) but also elucidation of its feature as a monomer. CTAs suitable for conjugated monomers were found to be more compatible than those for nonconjugated monomers, likely due to the moderate stabilization of the growing radical by boron. This trend wa...
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#1Haiwang Lai (Kyoto University)
#2Makoto Ouchi (Kyoto University)H-Index: 32
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#1Yuki Kametani (Kyoto University)H-Index: 4
#2Makoto Ouchi (Kyoto University)H-Index: 32
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#6François Tournilhac (PSL Research University)H-Index: 8
Selection of monomer couples, ensuring reactivity ratios close to zero, is an effective strategy to induce spontaneous copolymerization into an alternating sequence. In addition, monomer design and customisation of the solvent–monomer interactions open the way to functional copolymers showing molecular self-assembly relevant to their regular amphipathic structure. In this work, we show that the design of comonomers with adequate reactivities and interactions can be used to direct copolymer self-...
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#1Hiroshi Makino (Kyoto University)H-Index: 2
#2Tsuyoshi Nishikawa (Kyoto University)H-Index: 10
Last. Makoto Ouchi (Kyoto University)H-Index: 32
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The use of vinylboronic acid pinacol ester (VBpin) as a comonomer and post-polymerization oxidation afforded vinyl alcohol (VA)–styrene copolymers, which were difficult to synthesize using a typical VA precursor monomer, vinyl acetate (VAc). The molar mass was controllable by applying RAFT polymerization and the VA composition ratio could be tuned from 11% to 72%. The solubility and glass-transition temperature were also evaluated with the copolymers of different composition ratios.
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#1Yuki Kametani (Kyoto University)H-Index: 4
#2Makoto Ouchi (Kyoto University)H-Index: 32
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#1Naoyuki KusuyamaH-Index: 1
#2Yuji DaitoH-Index: 1
Last. Makoto OuchiH-Index: 32
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Topologically unique polymers made of a cyclic chain such as tadpole and figure-eight polymers were synthesized via ring-expansion cationic polymerization (RECP) of vinyl ether with a functionalized cyclic initiator, followed by post-polymerization modification (PPM) reactions. Cyclization reactions between 2,2-dimethyl-1,3-divinyloxy propane and a substituted phthalic acid (PA) efficiently afforded cyclic compounds where two hemiacetal ester (HAE) bonds for the initiating sites of RECP and the ...
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#1Sahori ImaiH-Index: 1
#2Yasuyuki OmmuraH-Index: 2
Last. Takaya TerashimaH-Index: 35
view all 7 authors...
Controlled crystallization and microphase separation of multi-component copolymers are one possibility to construct precise nanostructures in functional polymer materials. In this paper, we report the crystallization and sub-10 nm microphase separation of amphiphilic random and random block terpolymers in the solid state. By using living radical copolymerization, we designed A/B/C random terpolymers and A/C–B/C random block terpolymers, into which a hydrophobic and crystalline octadecyl group (A...
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