Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Jan Seiwert"'
Autor:
Holger Frey, George Floudas, Yasuhito Suzuki, Hans-Jürgen Butt, Yang Yao, Jan Seiwert, Martin Steinhart
Publikováno v:
Macromolecules. 50:8755-8764
The crystallization and dynamics of hyperbranched poly(ethylene oxide) (hbPEO), obtained from the direct random copolymerization of EO and glycidol (PEO-co-PG), are studied both in bulk and within nanoporous alumina (AAO). Copolymerization decreases
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f10945d8fada2117b18685259362961c
https://doi.org/10.1021/acs.macromol.7b01843
https://doi.org/10.1021/acs.macromol.7b01843
Autor:
Markus Scharfenberg, Holger Frey, Jan Seiwert, Jasmin Preis, Moritz Susewind, Maximilian Scherger
Publikováno v:
Macromolecules. 50:6577-6585
Multiarm star copolymers, consisting of hyperbranched poly(ethylene oxide) (hbPEO) or poly(butylene oxide) (hbPBO) polyether copolymers with glycerol branching points as a core, and linear aliphatic polycarbonate arms generated from carbon dioxide (C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::95796d82444a6cb7e29243082218be66
https://doi.org/10.1021/acs.macromol.7b01131
https://doi.org/10.1021/acs.macromol.7b01131
Publikováno v:
Macromolecules. 49:7767-7776
Copolymerization of established epoxide monomers with glycidol (G) is a key reaction to prepare branched or hyperbranched polyethers. The kinetics of the multibranching anionic ring-opening copolymerization of glycidol (a cyclic latent AB2 monomer) w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa4abab5f45e20f95d0419a27238a946
https://doi.org/10.1021/acs.macromol.6b01477
https://doi.org/10.1021/acs.macromol.6b01477
Autor:
Marius Bauer, Igor Perevyazko, Holger Frey, Jasmin Preis, Daniel Leibig, Ulrike Kemmer-Jonas, Jan Seiwert
Publikováno v:
Macromolecules. 49:38-47
Hyperbranched poly(butylene oxide) polyols have been synthesized by multibranching anionic ring-opening copolymerization of 1,2-butylene oxide and glycidol. Systematic variation of the composition from 24 to 74% glycidol content resulted in a series
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aceff5f907568a6083295d345e633a3a
https://doi.org/10.1021/acs.macromol.5b02402
https://doi.org/10.1021/acs.macromol.5b02402
Autor:
Georges M. Pavlov, Jan Seiwert, Ulrich S. Schubert, Martina Schömer, Holger Frey, Igor Perevyazko
Publikováno v:
Macromolecules. 48:5887-5898
Hyperbranched poly(ethylene glycol) copolymers were synthesized by random anionic ring-opening multibranching copolymerization of ethylene oxide with glycidol as a branching agent, leading to poly(ethylene glycol) structure with glycerol branching po
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c40bc344b4707a939837edec6c57181
https://doi.org/10.1021/acs.macromol.5b01020
https://doi.org/10.1021/acs.macromol.5b01020
Publikováno v:
Macromolecular Rapid Communications. 35:198-203
Multi-arm star copolymers based on a hyperbranched poly(propylene oxide) polyether-polyol (hbPPO) as a core and poly(propylene carbonate) (PPC) arms are synthesized in two steps from propylene oxide (PO), a small amount of glycidol and CO2 . The PPC
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8a719f756053dcf3d0bb5c16bfb5c49e
https://doi.org/10.1002/marc.201300663
https://doi.org/10.1002/marc.201300663
Publikováno v:
ACS Macro Letters. 1:888-891
Backbone-thermoresponsive hyperbranched poly(propylene oxide)-based polyether polyols have been synthesized by anionic ring-opening copolymerization of glycidol and propylene oxide. The number of functional hydroxyl end groups and the lower critical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a8754375d864c701b03974b148d4a933
https://doi.org/10.1021/mz300256y
https://doi.org/10.1021/mz300256y
Autor:
Jan Seiwert, Frederik R. Wurm, Jana Herzberger, Hannah Pohlit, Kerstin Niederer, Holger Frey, Matthias Worm
Publikováno v:
Chemical reviews. 116(4)
The review summarizes current trends and developments in the polymerization of alkylene oxides in the last two decades since 1995, with a particular focus on the most important epoxide monomers ethylene oxide (EO), propylene oxide (PO), and butylene
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e58501777a381343c6354fc177f7a7ba
https://pubmed.ncbi.nlm.nih.gov/26713458
https://pubmed.ncbi.nlm.nih.gov/26713458
Publikováno v:
Macromolecular Rapid Communications. 38:1600457
The synthesis of thioether-bearing hyperbranched polyether polyols based on an AB/AB2 type copolymerization (cyclic latent monomers) is introduced. The polymers are prepared by anionic ring-opening multibranching copolymerization of glycidol and 2-(m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6446fbcbc9f4146b49318f1a8b519db
https://doi.org/10.1002/marc.201600457
https://doi.org/10.1002/marc.201600457