Curable organosiloxane compositions containing organotitanate/mi

Details Curable organosiloxane compositions containing organotitanate/mi Curable organosiloxane compositions containing organotitanate/mi

1992-08-31

1993-10-19

Marquis, Melvyn I.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From silicon reactant having at least one...

528 17, 525478, C08G 7706

Patent

active

052546560

ABSTRACT:
The presence of both an organotitanium compound and a microencapsulated platinum-containing hydrosilation catalyst in organosiloxane compositions curable by a hydrosilation reaction not only increases the heat stability of elastomers prepared from the composition, but also unexpectedly increases the cure rate of the compositions. In addition to the platinum-containing and organotitanium co-catalysts the curable compositions comprise an organohydrogenpolysiloxane curing agent and a liquid or high consistency organopolysiloxane containing an average of at least two ethylenically unsaturated hydrocarbon radicals per molecule.

REFERENCES:
patent: 3734882 (1973-05-01), Talcott
patent: 4102852 (1978-07-01), DeLaTorre et al.
patent: 4122109 (1978-10-01), Halm
patent: 4722957 (1988-02-01), Braun et al.

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