Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Günther Rist"'
Autor:
Hidetaka Oka, Akira Matsumoto, Tunja Jung, Kurt Dietliker, Daniela Hristova, Georg Gescheidt, Johannes Benkhoff, Günther Rist, Hisatoshi Kura
Publikováno v:
Macromolecular Symposia. 217:77-98
New developments of photoinitiators are the base for the further extension of the radiation curing technology. Three different approaches are presented: The optimized combination of a bisacylphosphine oxide photoinitiator with a suitable stabilizer p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e186f17bbeb9384ce60fe19f250318cc
https://doi.org/10.1002/masy.200451307
https://doi.org/10.1002/masy.200451307
Autor:
Kurt Dietliker, Georg Gescheidt, Jean-Pierre Wolf, Günther Rist, Jean-Luc Birbaum, Martin Spichty, Nicholas J. Turro
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 142:209-213
Rotation profiles along the C(O)–P(O) bond of model system 1 were calculated for the S0 ,S 1 and T1 state on the B3LYP/6-31G∗ and RCIS/6-31+G∗ level of theory. Moreover, the cleavage of the bond was followed in the T1 state. The computations re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee46b7682892688784cab4fd20315a98
https://doi.org/10.1016/s1010-6030(01)00515-9
https://doi.org/10.1016/s1010-6030(01)00515-9
Autor:
Gebhard Hug, Georg Gescheidt, Iwo Gatlik, Jean-Pierre Wolf, Bruno Hellrung, Kurt Dietliker, Piotr Rzadek, Günther Rist, Jakob Wirz, Martin Kunz
Publikováno v:
Journal of the American Chemical Society. 121:8332-8336
Analysis of the ESR line width in time-resolved (TR-ESR) experiments is shown to be a suitable tool for the measurement of addition constants of phosphinoyl and substituted benzoyl radicals. Compar...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb88b48db4c7e6077f68a97d851e3201
https://doi.org/10.1021/ja991008f
https://doi.org/10.1021/ja991008f
Publikováno v:
Journal of the American Chemical Society. 118:6477-6489
31P-NMR-CIDNP (CIDNP = chemically induced dynamic nuclear polarization) spectroscopy was applied for the first time to investigate the formation and reaction of phosphorus-centered radicals obtained from phosphorus-containing photoinitiators. 13C-NMR
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe233cc466679770eb334d0b3e3a087a
https://doi.org/10.1021/ja9534213
https://doi.org/10.1021/ja9534213
Autor:
D. Leppard, Urszula Kolczak, Manfred Kohler, Günther Rist, Ljubomir Misev, Werner Dr. Rutsch, Kurt Dietliker
Publikováno v:
Progress in Organic Coatings. 27:227-239
A new photoinitiator, bis(2,6-dimethoxybenzoyl)-2,4,4-trimethylpentylphosphine oxide (1), has been developed for industrial applications. The absorption of this bisacylphosphine oxide (BAPO) compound in the near UV-Vis range is significantly higher t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6df49bd7e585d1a2346c207a211a6b5b
https://doi.org/10.1016/0300-9440(95)00539-0
https://doi.org/10.1016/0300-9440(95)00539-0
Autor:
D. Leppard, Kurt Dietliker, P. Rzadek, Roger Martin, Günther Rist, A. Liégard, Hans Rudolf Dr Meier, Paul Dubs, Gerrit Knobloch, Urszula Kolczak
Publikováno v:
Applied Magnetic Resonance. 10:395-412
ESR and CIDNP are applied to the investigation of the reaction mechanisms of several phenolic antioxidants and initiators of polymerization. It is shown how the ESR- and CIDNP-techniques complement each other.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e3415a1b91a6b8f32f07f2aa3a9818c1
https://doi.org/10.1007/bf03163121
https://doi.org/10.1007/bf03163121
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 107:119-128
Regioselective oxidation of the p-alkylthiomethylphenols 1 with K3[Fe(CN)6] to the monosubstituted p-quinone methides 2 followed by addition of thiols R3SH gives rise to the dithioacetals 3.1 This reaction sequence can be extended to introduce a thir
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04abc96ac3cb666959b9569e917c9ac0
https://doi.org/10.1080/10426509508027927
https://doi.org/10.1080/10426509508027927
Autor:
Gerrit Knobloch, Hans Bertterman, Hans-Rudolf Meier, Armand Borer, Urszula Kolczak, Benoît Thuet, Hans-Peter Künzi, Roger Martin, Günther Rist, Paul Dubs
Publikováno v:
Polymer Degradation and Stability. 49:1-9
The commercial sulfur containing antioxidant AO2 (Irganox 1520) is compared with other classical phenolic antioxidants, and its special autosynergistic profile, particularly under dynamic test conditions (Brabender, 160 °C), in commercial polybutadi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb6f34806fc3dcf3b15762a6e17116e8
https://doi.org/10.1016/0141-3910(95)00058-t
https://doi.org/10.1016/0141-3910(95)00058-t
Autor:
Günther Rist, Hermann Fuhrer, Frank H. Clarke, Stephen D. Pastor, Hans-Rudolf Meier, Shum Sai P
Publikováno v:
Helvetica Chimica Acta. 76:1476-1480
X-Ray Crystal-structure analysis of 2,4,8,10-tetrakis(1,1-dimethylethyl)-6,6-dimethyl-12H-dibenzo[d,g][1,3,2]-dioxasilocin showed that its eight-membered organosilicon heterocycle adopts a boat-boat (BB) conformation in the solid state (Figs. 2 and 3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40c9e594b7756fe9fc2bd9b48493bf28
https://doi.org/10.1002/hlca.19930760408
https://doi.org/10.1002/hlca.19930760408
Autor:
Anthony Cornelius O'sullivan, Günther Rist, P. Huxley, Hari Babu Dr. Mereyala, Bruno Dr. Frei, Peter Maienfisch
Publikováno v:
ChemInform. 22
The synthesis of several configurationally defined hydroxymilbemycin derivatives is described. One of these allylic alcohols is the known 5-O-[(tert-butyl)dimethylsilyl]-13α-hydroxymilbemycin D (= 5-O-[(tert-butyl)-dimethylsilyl]-22,23-dihydroaverme
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::228f75f96ab5af0ff5cf053d80a7e733
https://doi.org/10.1002/chin.199103346
https://doi.org/10.1002/chin.199103346