Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Shin Ichiro Kohama"'
Autor:
Kanji Wakabayashi, Shin Ichiro Kohama, Masahiro Kihara, Shinichi Yamazaki, Kunio Kimura, Shota Umezono
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 49:1088-1096
Poly(p-oxybenzoyl) (POB) crystals were prepared by reaction-induced crystallization during direct polymerization of p-hydroxybenzoic acid in the presence of boronic anhydrides. Polymerizations were carried out at 300 °C in dibenzyltoluene at a conce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a87c4e679826a94649460b7580ca159
https://doi.org/10.1002/pola.24521
https://doi.org/10.1002/pola.24521
Publikováno v:
Polymer Journal. 42:375-382
Morphological control of poly(2,5-benzimidazole) (PBI) was examined by reaction-induced phase separation of oligomers during polymerization to prepare nanofibers. Three monomers, 3,4-diaminobenzoic acid (DABA), 3,4-diacetoamidebenzoic acid (DAcBA) an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4df933a8663d8d51fb6b7f46b4f4e3f
https://doi.org/10.1038/pj.2010.20
https://doi.org/10.1038/pj.2010.20
Publikováno v:
Nano Research. 3:117-125
Thermally expanded graphite was functionalized with 4-bromophenyl addends using the in situ diazonium formation procedure, and after mild sonication treatment in N,N′-dimethylformamide, thin graphene layers were exfoliated from the bulk graphite. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eb3f26891ce1bf8e3c6635a7f011e081
https://doi.org/10.1007/s12274-010-1016-2
https://doi.org/10.1007/s12274-010-1016-2
Autor:
Shinichi Yamazaki, Tetsuya Uchida, Yasuhiro Kurihara, Shin Ichiro Kohama, Naomi Yoshida, Kunio Kimura
Publikováno v:
Macromolecules. 41:7571-7578
Preparation of poly(4'-oxy-4-biphenylcarbonyl) (POBP) needlelike crystals was examined by using reaction-induced crystallization of oligomers during copolymerization of 4-(4-acetoxyphenyl)benzoic acid (APBA) and 4-acetoxybenzoic acid (ABA). Polymeriz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a07c4e6a411449adaf7dcbe2175b8995
https://doi.org/10.1021/ma800029n
https://doi.org/10.1021/ma800029n
Publikováno v:
Polymer. 49:3928-3937
Poly[2,6-(1,4-phenylene)-benzobisimidazole] (PPBI) crystals were prepared by using reaction-induced crystallization of oligomers during solution polymerization of 1,2,4,5-tetraaminobenzene and diphenyl terephthalate. Polymerizations were carried out
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8db835ff6d73512e5709d6a3589b27a5
https://doi.org/10.1016/j.polymer.2008.07.011
https://doi.org/10.1016/j.polymer.2008.07.011
Publikováno v:
Macromolecules. 41:4193-4199
Composition control of copolyester was examined by using hydrodynamically induced phase separation, during solution polymerization, of p-acetoxybenzoic acid and m-acetoxybenzoic acid (m-ABA). Polym...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::53e8c993a3bd2d5ba50e90b34d8bc122
https://doi.org/10.1021/ma800529d
https://doi.org/10.1021/ma800529d
Autor:
Tetsuya Uchida, Shin Ichiro Kohama, Kaoru Shimamura, Jin Gong, Shinichi Yamazaki, Kunio Kimura, Kazuya Kimura
Publikováno v:
Polymer. 49:1783-1791
Morphology control of polybenzimidazoles was examined by reaction-induced phase separation during polymerization. Polymerizations of 3,3′-diaminobenzidine with terephthalic acid or diphenyl terephthalate were carried out in poor solvents. The morph
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0054b56c13f535e5bae590cf5ab42009
https://doi.org/10.1016/j.polymer.2008.02.016
https://doi.org/10.1016/j.polymer.2008.02.016
Publikováno v:
Macromolecules. 41:1168-1174
Nonstoichiometric synthesis of poly(4,4‘-oxydiphenylene pyromelliteimide) was examined by using reaction-induced crystallization of oligomers during solution polymerization. Polymerizations of pyromellitic dianhydride (PMDA) and 4,4‘-oxydianiline
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e97eb1ec2466b93f1eb6b9716ff3f09
https://doi.org/10.1021/ma702030u
https://doi.org/10.1021/ma702030u
Autor:
Yasuo Shimizu, Shinichi Yamazaki, Shin Ichiro Kohama, Yuhiko Yamashita, Kunio Kimura, Toshimitsu Ichimori
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 46:1598-1606
Selective preparation of poly(p-oxybenzoyl) (POB) crystals was examined from the viewpoint of a dimer effect on fractional polycondensation. Four different copolymerization systems were chosen as the combinations of p-acetoxybenzoic acid (p-ABA), m-a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::046454df95bb4de6ecb48e7025a137a8
https://doi.org/10.1002/pola.22496
https://doi.org/10.1002/pola.22496
Autor:
Yuhiko Yamashita, Shin Ichiro Kohama, Shinichi Yamazaki, Yasuhiro Kurihara, Hideki Omori, Kunio Kimura
Publikováno v:
Polymer. 48:3429-3436
Influence of oligomer end-group on morphology of poly(4-oxybenzoyl) (POB) was examined by polymerizations of 4-acyloxybenzoic acids having different acyl groups. Polymerizations of 4-propionyloxybenzoic acid, 4-hexanoyloxybenzoic acid, 4-octanoyloxyb
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc91d82943d30e9ff8922f035b36d778
https://doi.org/10.1016/j.polymer.2007.04.025
https://doi.org/10.1016/j.polymer.2007.04.025