Zobrazeno 1 - 8 of 8 pro vyhledávání: '"Haruki Koyama"'
1
Preparation and morphology of transparent poly(methyl methacrylate)-poly(dimethylsiloxane) hybrid materials using multifunctional silicone macromonomer
Autor: Kazuki Daimatsu, Katsuhiro Inomata, Go Nishino, Eiji Nakanishi, Hideki Sugimoto, Haruki Koyama
Publikováno v: Journal of Applied Polymer Science. 124:1316-1322
In this study, transparent poly(methylmethacrylate) (PMMA)-silicone hybrid materials, P(MMA-co-SigUMAx), were prepared with methylmethacrylate (MMA) and multifunctional silicone macromonomer introduced methacryl groups. The transmittance of hybrid ma
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::152343126a4e6c24652acb16a2cdb296
https://doi.org/10.1002/app.33903
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2
Syntheses and Properties of Unsymmetrically Substituted Bi- and Quaterthiophenes
Autor: Hiroyuki Sasabe, Hiroki Yokota, Tatsuo Wada, Haruki Koyama, Hiroyuki Higuchi, Juro Ojima, Yoshiyuki Uraki
Publikováno v: Bulletin of the Chemical Society of Japan. 71:483-495
The unsymmetrically substituted bi- and quaterthiophene derivatives were synthesized. The unsymmetrically substituted bithiophenes carrying the electron-withdrawing substituent X on one of the outer thiophene rings exhibited the maxima of absorption
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::27b5dc63ce4a141c80180ce8c07b726a
https://doi.org/10.1246/bcsj.71.483
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3
Solvent effect on the bathochromic shifts of push-pull dihexylbithiophenes with head-to-head and head-to-tail orientations
Autor: Hiroki Yokota, Hiroyuki Higuchi, Haruki Koyama, Jũro Ojima
Publikováno v: Tetrahedron Letters. 37:1617-1620
The push-pull dihexylbithiophenes with HH and H-T orientations were synthesized. From the solvent effect of their electronic absorption spectra, it was indicated that the stabilization energies due to solvent polarity were almost the same between
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3183b3651d1e456e5954e2ee8183f0f0
https://doi.org/10.1016/0040-4039(96)00070-6
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4
Synthesis and Properties ofα,ω-Disubstituted Oligo(3-hexylthiophene)s and Oligothienoquinonoids in Head-to-head Orientation
Autor: Hiroyuki Higuchi, Taketoshi Nakayama, Tatsuo Wada, Hiroyuki Sasabe, Juro Ojima, Haruki Koyama
Publikováno v: Bulletin of the Chemical Society of Japan. 68:2363-2377
The two types of highly-ordered oligo(3-hexylthiophene)s in head-to-head orientation, a series of α,ω-disubstituted oligothiophenes and a series of bis(dicyanomethylene)oligothienoquinonoids, were synthesized. The properties of these compounds are
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::02e6033399dc58c49d0dce234affbb82
https://doi.org/10.1246/bcsj.68.2363
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5
ChemInform Abstract: Simple Separation of an Isomeric Mixture of Dihexylbithiophenes with Head-to-Head and Head-to-Tail Orientations
Autor: Noriyuki Hayashi, Hiroyuki Higuchi, Juro Ojima, Haruki Koyama
Publikováno v: ChemInform. 27
The isomeric mixture of 3,3′-dialkylbithiophenes with head-to-head (H-H) and head-to-tail (H-T) orientations was separated into each isomer by using preferential brominartion of the H-T isomer. This separation method proved to be useful for simulta
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::38a73a0f952cce488a0a277a0f57ee7f
https://doi.org/10.1002/chin.199616144
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6
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