LEBEDEV Sergey( Soviet chemist, academician)
Comments for LEBEDEV Sergey
Biography LEBEDEV Sergey
(25.VII 1874 - 2.V 1934)
The main research focus of polymerization, isomerization and hydrogenation of unsaturated compounds.
Soviet chemist, Academician (since 1932). Born in g. Lublin. He graduated from St. Petersburg University (1900). In 1900-1902 he. worked at the St. Petersburg plant fat (now Plant. L. YA. Karpov) and the Institute of Railway Engineers. In 1902-1904 he. - At St. Petersburg University in 1904-1906 he. - In military service in Novoaleksandrii. In 1906-1916 he. - Once again at St. Petersburg University in the laboratory A. E. Favorskogo simultaneously in 1915. - Professor of Women's Pedagogical Institute. Since 1916. - Professor of Military Medical Academy in Petrograd (St. - Petersburg) and simultaneously the head of an organized (1925) laboratory oil at Leningrad University, . transformed (1928) in the laboratory of synthetic rubber, . head of which he remained until the end of life.,
. The main research focus of polymerization, isomerization and hydrogenation of unsaturated compounds
. For the first time studied (1908-1913 gg.) Kinetics and mechanism of thermal polymerization of diene hydrocarbons number divinyl and Allen, . established conditions for obtaining the separation of cyclic dimers of a number of cyclohexane, . one hand, . and polymers, . the other, to determine the dependence of polymerization on the structure of the source of hydrocarbons.,
. For the first time received (1910) sample of synthetic butadiene rubber
. His book, "Study of polymerization dvuetilenovyh hydrocarbons" (1913) subsequently became the scientific basis for the industrial synthesis of rubber. Since 1914, Mr.. began work on the polymerization of ethylene hydrocarbons, which formed the basis of modern industrial methods of preparation of butyl rubber and polyisobutylene. Developed (1926-1928 gg.) Industrial single-stage method of obtaining butadiene from ethyl alcohol by combining the catalytic reaction of dehydrogenation and dehydration of the mixed catalyst tsinkalyuminievom. He received (1928), synthetic rubber by polymerization of butadiene under the action of metallic sodium. Based on this rubber developed (1930) methods of producing rubber and rubber products.
Since 1932. by the method of Lebedev in the Soviet Union began to develop the world's first synthetic rubber industry. Undertook (1930 gg.) Cycle research in the field of hydrogenation of ethylene hydrocarbons, found the dependence of the accession of hydrogen to the double bond of the magnitude, nature and location of substituents in the molecule of ethylene. Methods of preparation of the oil fractions thickening of lubricating oils used in the production of high-viscosity lubricants for aircraft engines.
Research Institute of Synthetic Rubber awarded (1945) name with. V. Lebedev.