Photothermal Tautomerization of a UV Sunscreen (4-tert-Butyl-4′-methoxydibenzoylmethane) in Acetonitrile Studied by Steady-State and Laser Flash Photolysis

2013 ◽  
Vol 117 (9) ◽  
pp. 1946-1951 ◽  
Author(s):  
Minoru Yamaji ◽  
Mayumi Kida
Keyword(s):  
Steady State ◽  
Flash Photolysis ◽  
Laser Flash Photolysis ◽  
Laser Flash ◽  
Tert Butyl

Phototransformations of bridgehead-substituted dibenzobarrelenes. Steady-state and laser flash photolysis studies

1987 ◽  
Vol 52 (25) ◽  
pp. 5512-5517 ◽  
Author(s):  
S. Pratapan ◽  
K. Ashok ◽  
D. R. Cyr ◽  
P. K. Das ◽  
M. V. George
Keyword(s):  
Steady State ◽  
Flash Photolysis ◽  
Laser Flash Photolysis ◽  
Laser Flash

Photochemistry of triphenylamine (TPA) in homogeneous solution and the role of transient N-phenyl-4a,4b-dihydrocarbazole. A steady-state and time-resolved investigation.

2021 ◽  
Author(s):  
Stefano Protti ◽  
Mariella Mella ◽  
Sergio Mauricio Bonesi
Keyword(s):  
Steady State ◽  
Flash Photolysis ◽  
Laser Flash Photolysis ◽  
Homogeneous Solution ◽  
Laser Flash ◽  
Time Resolved ◽  
Homogeneous Media

Abstract. The photoreactivity of triphenylamine in homogeneous media has been investigated by means of laser flash photolysis spectroscopy and preparative experiments. The goal of this study consists in the evaluation...

scholarly journals Onium salts improve the kinetics of photopolymerization of acrylate activated with visible light

RSC Advances ◽  
2020 ◽  
Vol 10 (42) ◽  
pp. 24817-24829 ◽  
Author(s):  
Janina Kabatc ◽  
Katarzyna Iwińska ◽  
Alicja Balcerak ◽  
Dominika Kwiatkowska ◽  
Agnieszka Skotnicka ◽  
...  
Keyword(s):  
Steady State ◽  
Visible Light ◽  
Flash Photolysis ◽  
Laser Flash Photolysis ◽  
Laser Flash ◽  
Nanosecond Laser ◽  
Chemical Mechanisms ◽  
Onium Salts ◽  
Nanosecond Laser Flash Photolysis ◽  
Kinetics Of

The chemical mechanisms were investigated by steady state photolysis and nanosecond laser flash photolysis experiments. A mechanism for initiating polymerization using both onium salts is proposed here.

Ionizing Irradiation Property of L(+)-Alpha-Phenylglycine in Acid Aqueous Solution

2011 ◽  
Vol 343-344 ◽  
pp. 469-475
Author(s):  
Wen Yan Shi ◽  
Jian Zhong Gu ◽  
Zheng Jiao ◽  
Wen Jing Wu ◽  
Gang Xu ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Steady State ◽  
Flash Photolysis ◽  
Laser Flash Photolysis ◽  
Laser Flash ◽  
Transient Species ◽  
Ionizing Irradiation ◽  
Steady State Analysis ◽  
Applied Dose ◽  
Acid Aqueous Solution

(+)-alpha-phenylglycine are significant contaminants at pharmaceutical intermediates production. To study processes for the destruction of contaminant L(+)-alpha-phenylglycine in acid aqueous solution we have investigated the transient species using both laser flash photolysis. The OH· reaction with L(+)-alpha-phenylglycine process was investigated and formed polymer. Furthermore, the results of steady-state analysis suggested that L(+)-alpha-phenylglycine removal was found to be more efficient with increasing applied dose. L(+)-alpha-phenylglycine, decreased by 44.50%, using a dose of 14kGy.

Studies of Photochemical Reactions of 7,8-Digermabicyclo[2.2.2]octadienes by Steady-State and Laser Flash Photolysis Techniques

2000 ◽  
Vol 19 (17) ◽  
pp. 3379-3386 ◽  
Author(s):  
Kunio Mochida ◽  
Takanari Kayamori ◽  
Masanobu Wakasa ◽  
Hisaharu Hayashi ◽  
Mikhail P. Egorov
Keyword(s):  
Steady State ◽  
Flash Photolysis ◽  
Laser Flash Photolysis ◽  
Laser Flash ◽  
Photochemical Reactions
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