Zobrazeno 1 - 10
of 90
pro vyhledávání: '"Yuhiko Yamashita"'
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
Autor:
Yasuo Shimizu, Toshimitsu Ichimori, Shin Ichiro Kohama, Yuhiko Yamashita, Kunio Kimura, Junya Kuroda
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 44:2732-2743
Selective preparation of poly(p-oxybenzoyl) (FOB) in the copolymerization system of p-acetoxybenzoic acid (p-ABA) and m-acetoxybenzoic acid (m-ABA) was examined by using reaction-induced crystallization of oligomers. Polymer crystals mainly composed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::357ed1d1bab4f45f2f0620090a9c37e8
https://doi.org/10.1002/pola.21375
https://doi.org/10.1002/pola.21375
Publikováno v:
Sen'i Gakkaishi. 62:141-149
Precipitation polymerization of diphenyl ether and isophthaloyl chloride catalyzed by AlCl3 via Friedel-Crafts acylation was examined in various solvents to clarify the polymerization behavior. Polymerizations were carried out in three categorized so
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4011d526a38d86a0a4178493eb5eea6c
https://doi.org/10.2115/fiber.62.141
https://doi.org/10.2115/fiber.62.141
Publikováno v:
Polymer Journal. 37:906-912
Fabrication of poly(p-oxybenzoyl) (POB) nanowhiskers was examined by using reaction-induced crystallization of oligomers during the polymerization of p-acetoxybenzoic acid in liquid paraffin. Width of the POB whiskers was susceptible to polymerizatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::762bd8f5e93bba8267209f1acee39b83
https://doi.org/10.1295/polymj.37.906
https://doi.org/10.1295/polymj.37.906
Autor:
Tetsuya Uchida, Kazufumi Kobashi, Shin Ichiro Kohama, Kunio Kimura, Yuhiko Yamashita, Daisuke Nakajima
Publikováno v:
Polymer Journal. 37:471-479
Influence of acyl end-group of oligomers on morphology of poly(p-mercaptobenzoyl)(PMB) was examined by the polymerization of S-acyl-4-mercaptobenzoic acids having the different acyl groups and their dimers in liquid paraffin at 260–300 °C. The pol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce6a60e63736d0cbb91e53f6167f8364
https://doi.org/10.1295/polymj.37.471
https://doi.org/10.1295/polymj.37.471
Publikováno v:
Sensor Letters. 3:168-173
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9fbc15a3275747b09acd48a4f61458fb
https://doi.org/10.1166/sl.2005.014
https://doi.org/10.1166/sl.2005.014
Publikováno v:
Polymer. 46:2191-2200
Preparation of polymer whisker based on p-mercaptobenzoyl (S) and p-oxybenzoyl (O) blocks was examined by the polymerization of S-acetyl-4-mercaptobenzoic acid (AMBA) and the following addition of 4-acetoxybenzoic acid (ABA). Polymerization of AMBA w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c12a6349d1c16aad0d8ccef08dcb97de
https://doi.org/10.1016/j.polymer.2005.01.016
https://doi.org/10.1016/j.polymer.2005.01.016
Publikováno v:
High Performance Polymers. 17:35-50
The orientation of poly ( p-phenylene pyromelliteimide) (PPPI) molecules was examined by means of shearing during the gelation of poly(amic ethyl ester) (PAEE) precursor and thermal imidization. The polymerization of 1,4-phenylene diamine (PPDA) and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f646b6fc247d42b0861c2760b828434
https://doi.org/10.1177/0954008305044618
https://doi.org/10.1177/0954008305044618
Autor:
Tetsuya Uchida, Shin Ichiro Kohama, Satomi Kondoh, Yoshimitsu Sakaguchi, Kunio Kimura, Takeshi Oohazama, Yuhiko Yamashita
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 43:1624-1634
Polymerization of 4-acetoxybenzoic acid (ABA) with 3,5-diacetoxybenzoic acid (DABA) was examined to control the morphology of poly(p-oxybenzoyl) (POB). Polymerizations were carried out at a concentration of 1.0% in an aromatic solvent Therm S-1000®
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0f0fc97275cff78c86f4f557efd2331
https://doi.org/10.1002/pola.20639
https://doi.org/10.1002/pola.20639