Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Kyoji Tsubakiyama"'
Autor:
Kensuke Sakurai, Takashi Sasaki, Kyoji Tsubakiyama, Satoshi Irie, Yukari Komori, Takashi Inoue
Publikováno v:
Physical Chemistry Chemical Physics. 5:1381-1385
A series of 2,6-disubstituted benzo[1,2-d:4,5-d′]bisthiazoles that have two photofunctional groups was synthesized, and their absorption and emission spectra in chloroform solution were examined. An anthracene derivative, 2,6-di(9-anthryl)benzo[1,2
Publikováno v:
Polymer Journal. 33:113-120
The well-fractionated poly(ethylene terephthalate) (PET) samples ranging in weight average molecular weight Mw from 0.9 to 16×104 have been studied by sedimentation velocity and equilibrium, and viscometry in hexafluoroisopropanol (HFIP) and m-creso
Publikováno v:
Polymer Journal. 32:133-139
Rheopectic behavior of the aqueous polymethacrylic acid (PMA) solution was investigated with a Zimm-Crothers type viscometer. Measurements were performed for the solutions of PMA ranging in molecular weight from 6 ×10 5 to 16 ×10 5 , at concentrati
Publikováno v:
Macromolecules. 29:1589-1594
Transient decays of triplet−triplet (TT) absorption of excited triplet benzophenone (BP) chromophore in poly(4-methacryloylbenzophenone-co-methyl methacrylate) (BPX, X is the mol % of BP, X = 1−100) films were studied by laser photolysis with a k
Publikováno v:
ChemInform. 23
The photochemical reactions of 4-acylstyrenes (1a–e; acyl = acetyl, benzoyl, 1-naphthoyl, 2-naphthoyl, and 9-phenanthrylcarbonyl, respectively) were investigated, and their excited state behavior and photoreactivities are discussed in relation to t
Publikováno v:
Bulletin of the Chemical Society of Japan. 65:837-845
The photochemical reactions of 4-acylstyrenes (1a–e; acyl = acetyl, benzoyl, 1-naphthoyl, 2-naphthoyl, and 9-phenanthrylcarbonyl, respectively) were investigated, and their excited state behavior and photoreactivities are discussed in relation to t
Autor:
Masahide Yamamoto, Kyoji Tsubakiyama, Kazuhide Yoshimura, Masahiko Kuzuba, Yasunori Nishijima
Publikováno v:
Polymer Journal. 23:781-788
Binary (M1/M2) and ternary (M1/M2/M3) copolymer having aryl ketone and tertiary amine as pendant groups were prepared by radical polymerization, where M1 is 4-vinylbenzophenone (VBP) or 4-(2-naphthoyl)styrene (NSt), M2 is 2-N,N-dimethylaminoethyl met
Publikováno v:
Journal of Macromolecular Science: Part A - Chemistry. 28:557-573
Ferrocene (Fc)-sensitized photopolymerizations of vinyl monomers such as methyl methacrylate (MMA), acrylonitrile (AN), styrene (St), and isobutyl vinyl ether (IBVE) have been investigated by means of kinetic and spectroscopic analyses. The sensitizi
Publikováno v:
Journal of Polymer Science: Polymer Chemistry Edition. 17:1829-1838
Ferrocenylmethyl methacrylate (FMMA) was copolymerized with styrene (St), methyl methacrylate (MMA), and ethyl acrylate (EA) in benzene solution at 25°C by γ radiation. The reactions proceeded by a free radical mechanism, and monomer reactivity rat
Autor:
Togoro Matsuo, Kunio Araki, Takashi Fujimura, Takashi Sasaki, Kyoji Tsubakiyama, Kenzo Yoshida
Publikováno v:
Journal of Polymer Science: Polymer Chemistry Edition. 17:173-184
γ-Ray-induced polymerizations of ferrocenylmethyl methacrylate (FMMA) in crystalline and amorphous states were investigated with kinetical and ESR methods. In the crystalline state the polymerization of FMMA proceeded slowly and gave low-molecular-w