Zobrazeno 1 - 10
of 44
pro vyhledávání: '"B. A. Astapov"'
Publikováno v:
Russian Chemical Bulletin. 65:1142-1144
A series of organosilicon rubbers of the addition-curable type containing dimethyland methylphenylsiloxy, or diphenylsiloxy units with terminal vinyl groups were synthesized and used for manufacturing liquid silicone rubbers (LSRs) by addition-curabl
Publikováno v:
International Polymer Science and Technology. 37:33-36
Publikováno v:
International Polymer Science and Technology. 35:53-56
Autor:
B. A. Astapov
Publikováno v:
Polymer Science Series D. 6:69-71
The properties and application fields of a wide range of single-component silicone adhesive sealants of the Pentelast trademark developed, produced, and realized by LLC Penta-91 are presented.
Publikováno v:
Journal of Structural Chemistry. 20:77-83
Autor:
T. V. Astapova, B. D. Lavrukhin, A. A. Zhdanov, Tatyana V. Strelkova, B. A. Astapov, K. A. Andrianov
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 28:2373-2379
1. New organocyclotetrasilazanes with an assigned arrangement of the organic substituents in the ring have been obtained by the heterofunctional condensation of tetraorganodiaminodisilazanes with tetraorganodichlorodisilazanes. The condensation is ac
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 32:959-966
1. A study has been made of the PMR spectra of 10- and 12-membered dimethylcyclosilazaoxanes. The spectra of the methyl-group protons are not characteristic. 2. From the PMR spectra of the NH protons, the sequence of five atoms with a central N atom
Publikováno v:
Organic Magnetic Resonance. 18:71-73
29Si NMR spectra of various methylphenyl-substituted cyclotri- and -tetrasilazanes, composed of different combinations of the units d = Me2SiNH, dph = MePhSiNH and d = Ph2SiNH, have been investigated. For most of the compounds having more than one as
Autor:
B M, Astapov, N S, Androsov
Publikováno v:
Vestnik rentgenologii i radiologii. (4)
Autor:
I A, Pereslegin, B M, Astapov
Publikováno v:
Vestnik rentgenologii i radiologii. (2)