Process for the preparation of fluorosilicone polymers and copol

Details Process for the preparation of fluorosilicone polymers and copol Process for the preparation of fluorosilicone polymers and copol

1975-05-12

1976-12-14

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 465G, C08G 7704

Patent

active

039974960

ABSTRACT:
Diorganopolysiloxane homo- and copolymers having a viscosity from 2,000 to 200,000,000 centipoise at 25.degree. C., are produced by reacting a composition of (i) a silanol end-stopped perfluoroalkyl-substituted organopolysiloxane having 3 to 5 units, alone, or admixed with (ii) a second silanol end-stopped diorganopolysiloxane having 3 to 5 units, (i) being present in an amount of 20 to 100 mole % of the composition, in the presence of a non-bond-rearranging catalyst and removing the formed water of condensation.

REFERENCES:
patent: 3094497 (1963-06-01), Hyde
patent: 3110689 (1963-11-01), Smith
patent: 3160601 (1964-12-01), Hyde
patent: 3853932 (1974-12-01), Razzano

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