Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Makito Yokoe"'
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 54:2302-2311
Novel reversible networks utilizing photodimerization of crosslinkable anthracene groups and thermal dissociation were investigated. Reversible addition-fragmentation chain transfer polymerization yielded well-defined copolymers with 9-anthrylmethyl
Autor:
Koji Yamauchi, Shu Kaiho, Syunsuke Horiuchi, Daisuke Yamamoto, Keiko Osato, Makito Yokoe, Yamashita Kohei
Publikováno v:
Macromolecular Symposia. 349:9-20
Summary The mixture of cyclic PPS oligomers (c-PPS) with more than 99% of purity, less than 15 ppm of metal content and more than 4 of repeating units was prepared by the nucleophilic substitution reaction between dichlorobenzene (DCB) and sodium sul
Autor:
Kenichi Hirai, Makito Yokoe, Toshihiro Abe, Yuria Saito, Masahiko Okada, Hideaki Katayama, Keigo Aoi
Publikováno v:
Macromolecules. 38:6485-6491
We investigated restricted diffusion of ionic species in glucitol-type lithium polymer electrolytes by observing echo-intensity changes of pulsed gradient spin echo NMR which reflect carrier diffusion behavior. Echo attenuation showed an anomalous fe
Publikováno v:
Journal of Applied Polymer Science. 98:1679-1687
Environmental and enzymatic degradations were investigated on a series of copolycarbonates consisting of equimolar amounts of 1,4 : 3,6-dianhydrohexitols (1,4 : 3,6-dianhydro-D-glucitol (1a) and 1,4 : 3,6-dianhydro-D-mannitol (1b)) and alkylene diols
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 43:3909-3919
Novel polycarbonates, with pendant functional groups, based on 1,4:3,6-dianhydrohexitols and L-tartaric acid derivatives were synthesized. Solution polycondensations of 1,4:3,6-dianhydro-bis-O-(p-nitrophenoxycarbonyl)hexitols and 2,3-di-O-methyl-L-th
Publikováno v:
KOBUNSHI RONBUNSHU. 62:147-157
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 41:2312-2321
Novel copolycarbonates containing 1,4:3,6-dianhydro-D-glucitol or 1,4:3,6-dianhydro-D-mannitol units, with various methylene chain lengths, were synthesized by bulk and solution polycondensations, of several combinations of carbonate-modified sugar d
Publikováno v:
Journal of Applied Polymer Science. 86:872-880
Poly(ester carbonate)s with different compositions were synthesized by bulk polycondensation of 1,4:3,6-dianhydro-D-glucitol with diphenyl sebacate and diphenyl carbonate in the presence of zinc acetate as a catalyst. Most of the poly(ester carbonate
Publikováno v:
Journal of Applied Polymer Science. 81:2721-2734
A series of poly(ester amide)s were synthesized by solution polycondensations of various combinations of p-toluenesulfonic acid salts of O,O′-bis(α-aminoacyl)-1,4:3,6-dianhydro-D-glucitol and bis(p-nitrophenyl) esters of aliphatic dicarboxylic aci
Publikováno v:
Journal of Applied Polymer Science; Nov2005, Vol. 98 Issue 4, p1679-1687, 9p