Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1974-08-12
1976-05-18
Jacobs, Lewis T.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 336SB, 260 37SB, C08K 507
Patent
active
039577139
ABSTRACT:
There is provided an organopolysiloxane composition combining high strength with exceptionally good elongation, which composition comprises a first component, a mixture of two vinyl-containing polysiloxanes or blends of vinyl-containing polysiloxanes, one of which is a high viscosity polysiloxane or a blend of high viscosity polysiloxanes, the other is a low viscosity polysiloxane or a blend of low viscosity vinyl-containing polysiloxanes, a filler and an effective amount of a platinum catalyst.
The second component comprises a hydrogen-containing silane or polysiloxane. When it is desired to cure the composition into an elastomer the first component is mixed with the second component, that is, the hydrogen containing silane or polysiloxane and the mixture is allowed to cure either at room temperature or at elevated temperatures. Part of the total high viscosity vinyl-containing polymer can be mixed with the second component.
REFERENCES:
patent: 3220972 (1965-11-01), Lamoreaux
patent: 3436366 (1969-04-01), Modic
patent: 3699073 (1972-10-01), Wada et al.
patent: 3884866 (1975-05-01), Jeram et al.
Jeram Edward M.
Striker Richard A.
General Electric Company
Jacobs Lewis T.
Koltos E. Philip
Neuhauser Frank L.
Voss Donald J.
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