Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Yoshikazu Kitajyo"'
Autor:
Yoshikazu Kitajyo, Kota Mori, Toyoji Kakuchi, Tsukasa Taguchi, Ryosuke Sakai, Masaki Tamaki, Soichi Nakabayashi, Toshifumi Satoh
Publikováno v:
Polym. Chem.. 1:82-92
The ring-opening polymerization of 5,6-anhydro-1,2-O-isopropylidene-α-D-glucofuranose (1) as a latent cyclic AB2-type monomer was carried out using potassium tert-butoxide (t-BuOK) or boron trifluoride diethyletherate (BF3・OEt2) as an initiator in
Autor:
Toyoji Kakuchi, Yoshikazu Kitajyo, Ryosuke Sakai, Masaki Tamaki, Tsukasa Taguchi, Kenji Takahashi, Toshifumi Satoh
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 47:7032-7042
A hyperbranched polyglycerol bearing imidazolium tosylate units (ITHB) was synthesized through the imidazolium salt-modification of hyperbranched polyglycerol (HB). ITHB was found to possess novel reversible lower critical solution temperature (LCST)
Autor:
Noriaki Kaneko, Kenji Takahashi, Toyoji Kakuchi, Atsushi Narumi, Harumi Kaga, Toshifumi Satoh, Yoshikazu Kitajyo, Ryosuke Sakai
Publikováno v:
Macromolecular Symposia. 279:145-150
金沢大学理工研究域自然システム学系
The synthesis of a unimolecular reverse micelle (3) consisting of hyper-branched D-glucan as the core and L-leucine ethyl ester as the shell was accomplished through the carbamation reaction of
The synthesis of a unimolecular reverse micelle (3) consisting of hyper-branched D-glucan as the core and L-leucine ethyl ester as the shell was accomplished through the carbamation reaction of
Autor:
Toyoji Kakuchi, Yuki Kinugawa, Toshifumi Satoh, Masaki Tamaki, Yoshikazu Kitajyo, Ryosuke Sakai
Publikováno v:
Macromolecules. 41:5265-5271
A novel series of bio-based hyperbranched polymers, i.e., hyperbranched polyterpene alcohols, were prepared by the cationic ring-opening polymerizations of citronellol oxide (1) and nopol epoxide (2) using boron trifluoride diethyl etherate (BF3·OEt
Autor:
Toyoji Kakuchi, Harumi Kaga, Noriaki Kaneko, Masaki Tamaki, Yuki Kinugawa, Yoshikazu Kitajyo, Toshifumi Satoh
Publikováno v:
Macromolecules. 40:9313-9321
The cationic ring-opening polymerizations of an alicyclic epoxyalcohol, 3,4-epoxycyclohexanemethanol (1), were carried out using boron trifluoride diethyletherate (BF3·OEt2) as a catalyst. Polymerization of 1 heterogeneously proceeded to yield a gel
Autor:
Yumiko Nawa, Toyoji Kakuchi, Kenji Takahashi, Toshifumi Satoh, Hirofumi Tani, Masaki Tamaki, Yoshikazu Kitajyo, Harumi Kaga
Publikováno v:
Polymer. 48:4683-4690
Hyperbranched polythreitol (1) with different molecular weights (Mw,SLS: 1.18 × 104 and 4.79 × 104) was reacted with trityl chloride in DMF to afford a novel amphiphilic polymer (2) consisting of 1 as the hydrophilic core and the trityl groups as t
Autor:
Noriaki Kaneko, Hirofumi Tani, Toyoji Kakuchi, Atsushi Narumi, Masaki Tamaki, Tomoko Imai, Yoshikazu Kitajyo, Yoko Sakai, Harumi Kaga, Kenji Takahashi, Toshifumi Satoh
Publikováno v:
Polymer. 48(5):1237-1244
The synthesis of a novel unimolecular reverse micelle, the hyperbranched d -glucan carbamate ( 3 ), was accomplished through the carbamation reaction of the hyperbranched d -glucan ( 1 ) with the N -carbonyl l -leucine ethyl ester ( 2 ) in pyridine a
Autor:
Toyoji Kakuchi, Issei Otsuka, Toshifumi Satoh, Yoshikazu Kitajyo, Shin Yamane, Harumi Kaga, Noriaki Kaneko, Yutaka Miura, Akira Hirao, Atsushi Narumi
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry
Journal of Polymer Science Part A: Polymer Chemistry, Wiley, 2006, 44 (16), pp.4864-4879. ⟨10.1002/pola.21582⟩
Journal of Polymer Science Part A: Polymer Chemistry, Wiley, 2006, 44 (16), pp.4864-4879. ⟨10.1002/pola.21582⟩
This article describes that glucose, maltose, maltotriose, maltotetraose, maltopentaose, and maltohexaose (a, b, c, d, e, and f, respectively) were introduced into the initiating chain-end of polystyrene (PSt) through the 2,2,6,6-tetramethylpiperidin
Autor:
Toyoji Kakuchi, Harumi Kaga, Xiande Shen, Qian Duan, Toshifumi Satoh, Noriaki Kaneko, Yoshikazu Kitajyo, Atsushi Narumi
Publikováno v:
Polymer Bulletin. 56(2-3):137-143
The reaction of the carboxymethyl cellulose sodium salt (Na-CMC) (degrees of substitution (DS) = 1.2) with N-hydroxysuccinimide (Su-OH) in the presence of 1-hydroxybenzotriazole and 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide (EDC) was carried out
Publikováno v:
Polymer Bulletin. 55:317-322
The reaction of cellulose with N-carbonyl α-amino acid ester 1 leading to cellulose carbamate 2 was carried out in N,N-dimethylacetamide at 100 °C. For N-carbonyl L-leucine ethyl ester (1a), the degree of the carbamate substituent (DS) in 2a was 2.