Catalyst compositions for preparing polyorganosiloxanes

Details Catalyst compositions for preparing polyorganosiloxanes Catalyst compositions for preparing polyorganosiloxanes

1984-08-07

1985-06-25

Konopka, P. E.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Organic compound containing

502168, B01J 3102, C08G 7706

Patent

active

045254702

ABSTRACT:
Polyorganosiloxanes are prepared from at least one organosiloxane reactant containing an average of more than one silicon-bonded hydroxyl group per molecule using novel catalyst compositions consisting essentially of (1) at least one salt formed from equimolar amounts of an amine and sulfuric acid, phosphoric acid, a carboxylic acid or an organosulfonic acid and (2) an unreacted acid selected from the group consisting of sulfuric acid and fluorinated alkanesulfonic acids.

REFERENCES:
patent: 3155634 (1964-11-01), Pike
patent: 3160601 (1964-12-01), Hyde
patent: 3280071 (1966-10-01), Beck
patent: 3298997 (1967-01-01), Holbrook
patent: 3308203 (1967-03-01), Metevia et al.
patent: 3647740 (1972-03-01), Loree et al.
patent: 3843702 (1974-10-01), deMontigny et al.
patent: 4431771 (1984-02-01), Falender et al.
patent: 4482670 (1984-11-01), Saam et al.

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