Treatment of reinforcing silicas with amidosiloxanes

Details Treatment of reinforcing silicas with amidosiloxanes Treatment of reinforcing silicas with amidosiloxanes

1978-05-08

1979-11-06

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

106308Q, C08L 8304

Patent

active

041735609

ABSTRACT:
Reinforcing silica treated with short chain linear amidosiloxane of the formula ##STR1## provides a useful reinforcing filler for silicone elastomers. Silicone elastomer bases manufactured using this treated silica can be cured by organic peroxides or the combination of organohydrogensiloxane and platinum catalyst. When the later curing system is used, the cured products exhibit considerable retention of physical properties upon exposure to elevated temperatures for a significant period of time.

REFERENCES:
patent: 3243404 (1966-03-01), Martellock
patent: 3488371 (1970-01-01), Klebe
patent: 3635743 (1972-01-01), Smith
patent: 4008198 (1977-02-01), Krohberger et al.
patent: 4013611 (1977-03-01), Hechtl et al.
patent: 4116919 (1978-09-01), Elias et al.

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