KOSEN 한인과학기술자네트워크

extreme 또는 non-classic 상태에서의 화학공정과 반응 : 고압, 고온, 이온화된 radiations, 극초단파, 플라즈마, supercritical media, 초음파의 화학효과와 응용에 대한 주제 1.Basic aspects 1.1 Water and carbon dioxide at high pressures-properties and applications -In a supercritical fluid, the density and other physico-chemical properties can be varied continuously from liquid-like to gas-like without passing through a phase transition. Example of such physico-chemical properties for water and carbon dioxide will be given. Selected applications of supercritical water and supercritical carbon dioxide will be discussed. 1.2 Free-radical formation in water by ionizing radiation and by ultrasound -Key words:Ionizing Radiation, Ultrasound;OH-Radical Dosimetry. 1.3 Dosimetry of the mechanical and radical effects of ultrasound -key words:ultrasound, frequency, dosimetry 1.4 Standing waves a high frequency sonoreactor -visualisation and effects- -key words:sonoreactors, high-frequency, standing waves. 1.5 Estimation of free radicals generation from air-water cavitation bubbles -key wards:bubble dynamics, free radicals 1.6 Effects of ultrasound on solid-liquid mass transfer -key wards:Mass Transfer;ultrasound;electrochemistry 1.7 Acoustic cavitation field prediction for a simple configuration of sonication -key wards:Sonochemistry, Acoustic Cavitation, Fluid Dynamics Mathematical Modelling 1.8 Plasma chemistry in gases at atmospheric pressure -key wards:Plasma chemistry, gases, atmosphric pressure 1.9 Variable pressure NMR:Techniques and examples -key wards:Nuclear magnetic resonance, variable pressure, gas, liquid, reaction mechanisms. 2.Physical chemistry 2.2 Spectrocopy in supercritical fluids 2.3 Time-resolved resonance raman spectroscopy in supercritical fluids 2.4 Energy versus volume of conformers : Theoretical investigation of their relative contribution in the high pressure induced michael addition of amine to stereogenic crotonates 2.5 Short-lived species in photochmical systems generating transition metal complex exciplexes 2.6 Photons applications in CO2 2.7 Sonoelectrochemistry-The effects of ultrasound upon electroorganics synthetic reactions and electropolymerisations 2.8 Investigations on ultrasonic degradation of dextran in aqueous solutions:preliminary results 2.9 Sonochemistry in aqueous media:effect of n-butanol and sucrose concentration on hydrogen peroxide formation and phenol degradation 3.Applications in organic chemistry 3.1 The michael reaction using chiral imines under high pressure:easy access to highly substituted adducts 3.2 High pressure induced wittig reaction of monothioimides 3.3 High pressure influence of selectivities in [4+2] cycloadditions of activated dienes and bis-dienes 3.4 Spiroaziridine synthesis under high-pressure 3.5 The application of microwave irradiation to the synthesis of [60]fullerene derivatives 3.6 Synthesis of 2-cyanobenzothiazoles, quinazolines, 3,1-benzoxazines and 3,1-benzothiazines from N-arylimino-1,2,3-dithiazoles under microwave irradiation 3.7 Ultrasound assisted reactions of organofluorine compounds 3.8 Dehydration of 4-methyl-oxazole-5-carboxylic acid amide to 4-methyl-oxazole-5-carbonitrile 3.9 An efficient synthesis of vinyl sulfoxides through a sonochemical wittig-horner reaction 4. Applications in inorganic chemistry 4.1 Supercritical water oxidation of organic wastes. Application to the dodecane destuction 4.2 Sonochemical effects in tri-n-butyl phosphate 4.3 Sonochemical dissolution of refractory oxides (CeO2 and PuO2) 4.4 The effects of ultrasound on the corrosion of precoated steels 4.5 Materials processing under high pressures 4.6 Binary fluorides:New group of supercritical fluids 4.7 The effects of ultrasonic frequency and power upon a rotating cylindrical electrode in the electrodeposition of silver 4.8 Flash vacuum thermolysis:generation and charac