Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Hirotoshi Nakabayashi"'
Autor:
Ayu Nakagawa, Hirotoshi Nakabayashi, Yoshinori Nishiwaki, Shuhei Ogo, Tadaharu Ueda, Takuya Hasegawa
Publikováno v:
Journal of the American Ceramic Society. 106:1149-1158
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c635712808a93db7f9f53994efb4c51
https://doi.org/10.1111/jace.18831
https://doi.org/10.1111/jace.18831
Publikováno v:
Journal of Polymer Research. 27
Composite catalyst of heteropolyacid ammonium salt, (NH4)3PW12O40, and SiO2 was prepared by sol–gel method. The resultant catalyst ((NH4)3PW12O40-SiO2, 3.38wt%) having W/Si molar ratio of 2/8 enabled to proceed ring-opening polymerizations of tetra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee4793c87b03d0691182feaa4345c6a7
https://doi.org/10.1007/s10965-020-02279-y
https://doi.org/10.1007/s10965-020-02279-y
Autor:
Honami Yamamoto, Ai Nakabayashi, Hirotoshi Nakabayashi, Lisa Nakajima, Yoshihito Nishioka, Mao Hatayama, Hisatoyo Morinaga
Publikováno v:
Polymer Bulletin. 73:435-448
Ring-opening polymerizations of four kinds of monomers such as glycidyl phenyl ether, oxetane (OX), e-caprolactone (CL), and 2,2-dimethyltrimethylene carbonate were performed with a silica-supported catalyst based on heteropolyacid ammonium salt, (NH
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de97e5ad013713c46d7a539b7c167b21
https://doi.org/10.1007/s00289-015-1498-x
https://doi.org/10.1007/s00289-015-1498-x
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 48:5968-5973
Three-component polyaddition of diamines, carbon disulfide (CS 2 ), and diacrylates in an aqueous/organic biphasic medium produced a polymer capable of adsorbing rare metals. By using a 1:1 mixture of toluene and H 2 O, the polyaddition reaction of 1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca40544c323e976bb857bd456859fe01
https://doi.org/10.1002/pola.24414
https://doi.org/10.1002/pola.24414
Publikováno v:
Bulletin of the Chemical Society of Japan. 78:2142-2145
ZnO–SiO2 binary oxides prepared by the sol–gel method were calcined at various temperatures in order to reveal the relations between the surface properties as an acid–base catalyst and the bulk str...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b175ef6fe29f5aeafc9d66fabf4f6e7d
https://doi.org/10.1246/bcsj.78.2142
https://doi.org/10.1246/bcsj.78.2142
Publikováno v:
Chemistry Letters. 42:747-749
A ring-opening polymerization of oxetane was performed with a novel solid-acid catalyst based on heteropolyacid salt ((NH4)3PW12O40/SiO2), by which the corresponding polyether was successfully obta...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13bea411fa1e075b9174484a41712c45
https://doi.org/10.1246/cl.130193
https://doi.org/10.1246/cl.130193
Autor:
Hirotoshi Nakabayashi
Publikováno v:
NIPPON KAGAKU KAISHI. :841-849
酸化ジルコニウムの結晶構造とその粒子表面に存在する酸点および塩基点の性質との関係を知るため,450°C付近の低温度のか焼で単斜晶または正方晶の単一構造を有する試料をそれぞれ調
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::12478a6d3eed6140d2a01dde7ebf9c96
https://doi.org/10.1246/nikkashi.2000.841
https://doi.org/10.1246/nikkashi.2000.841
Autor:
Hirotoshi Nakabayashi
Publikováno v:
NIPPON KAGAKU KAISHI. :146-152
2種の金属アルコキシドを共沈殿することによりTiO2-SiO2系とTiO2-A12O3の複合酸化物を調製し,その構造と表面酸性質および触媒作用を調べた。X線回折とEXAFSにより500℃ で焼成した複合酸化物
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8dec03046fa8f5efd55f5ac96c29f141
https://doi.org/10.1246/nikkashi.1992.146
https://doi.org/10.1246/nikkashi.1992.146
Publikováno v:
Bulletin of the Chemical Society of Japan. 64:2428-2432
The acid properties of anatase having different crystalline sizes were estimated by measuring the temperature-programmed desorption (TPD) of ammonia as well as the infrared spectrum of adsorbed pyridine at elevated temperature. The size-controlled an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa25f601b54733327b4f115f376ff854
https://doi.org/10.1246/bcsj.64.2428
https://doi.org/10.1246/bcsj.64.2428
Publikováno v:
NIPPON KAGAKU KAISHI. :13-19
複合酸化物の酸点発現の原因を知るため金属アルコキシドの共沈法およびTio2とSno2の物理的混合法で調製した2種の複合酸化物についてその構造と酸特性を比較した。粉末X線回折,ラマン
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40e02659a1bc0d722405badce9cd9bc3
https://doi.org/10.1246/nikkashi.1991.13
https://doi.org/10.1246/nikkashi.1991.13