Zobrazeno 1 - 10
of 156
pro vyhledávání: '"Gerhard Kossmehl"'
Publikováno v:
Polymer Bulletin. 51:217-224
Two new thiophene derivatives bearing redox active p-nitrophenyl units were synthesized and electropolymerized to conducting polymers. It is found that not only the structure of monomer, but also the employed polymerization conditions have considerab
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20c31f03c8f9fbf149bf06881d44fd68
https://doi.org/10.1007/s00289-003-0215-3
https://doi.org/10.1007/s00289-003-0215-3
Publikováno v:
Macromolecular Chemistry and Physics. 202:2790-2796
The antioxidative activity of the title stabilizers has been studied by the initiated oxidation of cumene as a model reaction. The new model compounds prepared from vernonia oil and the conventional phenolic antioxidant 3-(3,5-di-tert-butyl-4-hydroxy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ea9a32690f02b4fccf28d7865f5d765a
https://doi.org/10.1002/1521-3935(20010901)202:13<2790::aid-macp2790>3.0.co
https://doi.org/10.1002/1521-3935(20010901)202:13<2790::aid-macp2790>3.0.co
Autor:
Gunnar Engelmann, Hans-Peter Welzel, Wolf-Dietrich Hunnius, Waldfried Plieth, Gerhard Kossmehl
Publikováno v:
Journal of Solid State Electrochemistry. 5:141-149
Polythiophene films containing ester groups on the surface of electrodes are interesting potential carrier materials for reagents. Methyl thiophene-3-acetate (3) can be copolymerized with 3-methylthiophene (1) and 3-butylthiophene (2) by means of cyc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f99293bee172c15630c9b3db55ddfe18
https://doi.org/10.1007/s100080000112
https://doi.org/10.1007/s100080000112
Publikováno v:
Journal of Solid State Electrochemistry. 5:74-79
The mechanism of the electrosynthesis of poly(3-butylthiophene) (PBuT) was studied by cyclic voltammetry and potential step methods in comparison with polybithienyl. The anodic oxidation polymerization of the 3-butylthiophene underwent two steps: oli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::890e44bb81fe1d1841ba223dcf114a3b
https://doi.org/10.1007/pl00010802
https://doi.org/10.1007/pl00010802
Autor:
Eldar B. Zeinalov, Gerhard Koßmehl
Publikováno v:
Polymer Degradation and Stability. 71:197-202
The antioxidative activity of fullerene C60 has been studied by model reaction of the initiated oxidation of cumene and also in accelerated tests of the mixtures with polystyrene and polydimethylsiloxane rubber. It was established that the initiation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::273641bb60d2894ee52ac5df66553e02
https://doi.org/10.1016/s0141-3910(00)00109-9
https://doi.org/10.1016/s0141-3910(00)00109-9
Autor:
Gerhard Kossmehl, Jörg Melsheimer, Hesun Zhu, Guangtao Li, Karl Doblhofer, Waldfried Plieth, Wolf-Dietrich Hunnius, Wolfgang Kautek
Publikováno v:
Polymer. 41:423-432
Three new thiophene derivatives containing different activated ester groups covalently attached to the thiophene ring via a linear undecyl spacer have been synthesized. Electropolymerization of these monomers in acetonitrile led to stable electroacti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e599e7abd335e09e9d16b95eeabfe341
https://doi.org/10.1016/s0032-3861(99)00201-3
https://doi.org/10.1016/s0032-3861(99)00201-3
Autor:
Siu-Choon Ng, Hardy S. O. Chan, Guangtao Li, Waldfried Plieth, Hesun Zhu, Gerhard Koßmehl, Wolfgang Kautek
Publikováno v:
Macromolecular Chemistry and Physics. 201:21-30
The synthesis and electropolymerization of 3-alkylthiophenes functionalized with a terminal amino group and its protected forms are reported. As expected, due to the strong electronic interference of the amino group, the electropolymerization of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b9b4b09ca8570ed6e407d67f693a36c2
https://doi.org/10.1002/(sici)1521-3935(20000101)201:1<21::aid-macp21>3.0.co
https://doi.org/10.1002/(sici)1521-3935(20000101)201:1<21::aid-macp21>3.0.co
Autor:
Gerhard Koßmehl
Publikováno v:
Nachrichten aus der Chemie. 57:1090-1092
Erkner, eine Kleinstadt ostlich von Berlin, markiert einen Meilenstein der Chemiegeschichte. Im Jahr 1909 wurde hier das erste vollsynthetische Kunstharz der Welt im industriellen Masstab hergestellt: Bakelit.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6252618ed36afaa36a7627109be2eb39
https://doi.org/10.1002/nadc.200969681
https://doi.org/10.1002/nadc.200969681
Autor:
Gerhard Koßmehl, Fred Hollwedel
Publikováno v:
Macromolecular Chemistry and Physics. 200:2612-2622
The synthesis of some new 4-hydroxy, 4-butyloxy, 4-propionyloxy, and 4-acryloyloxy substituted isochroman-3-ones is described. The influence of the substitution pattern in position 1 and 4 on the CO 2 elimination, which leads to high reactive ortho-q
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ea4ee7636383202fe3bce14bf3e05b6
https://doi.org/10.1002/(sici)1521-3935(19991201)200:12<2612::aid-macp2612>3.0.co
https://doi.org/10.1002/(sici)1521-3935(19991201)200:12<2612::aid-macp2612>3.0.co
Publikováno v:
Journal of Solid State Electrochemistry. 3:135-140
Photocurrent and differential capacity measurements have been carried out at polybithienyl (PBT) and poly(3-butylthiophene) (PBuT) films on platinum. The photocurrents are cathodic, similar to inorganic p-type semiconductors. The band gap energy was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ba5efc673c4b24407e5ddf7fd4ded49
https://doi.org/10.1007/s100080050139
https://doi.org/10.1007/s100080050139