Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1976-04-19
1977-10-04
Shaver, Paul F.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
2604482E, C07F 708
Patent
active
040524302
ABSTRACT:
Organosilicon high molecular weight compounds having silicon and carbon as the main skeleton components and consisting of a mixture of linear polycarbosilanes having silicon and carbon as the main skeleton components, cyclic polycarbosilanes having silicon and carbon as the main skeleton components and polycarbosilanes in which linear carbosilane and cyclic carbosilane are chemically bonded are produced by thermally decomposing and polycondensing at least one of organosilicon compound having polysilane skeleton selected from the group consisting of cyclic polysilanes shown by the following formula
(R.sub.1.R.sub.2.Si)n, n.gtoreq.4
wherein R.sub.1 and R.sub.2 are hydrogen, alkyl group, aryl group, silyl group, or a halogen and linear polysilane shown by the following formula ##STR1## WHEREIN R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are hydrogen, alkyl group, aryl group, silyl group or a hologen, by heating at a temperature of 300.degree.-2,000.degree. C under at least one atmosphere of an inert gas and hydrogen gas or under a vacuum.
REFERENCES:
patent: 2850514 (1958-09-01), Knoth
patent: 3422039 (1969-01-01), Nametkin et al.
Hayashi Josaburo
Omori Mamoru
Yajima Seishi
Shaver Paul F.
The Research Institute for Iron, Steel and Other Metals of the T
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