Polyphosphazene elastomer with up to 35 mole per cent non-fluori

Details Polyphosphazene elastomer with up to 35 mole per cent non-fluori Polyphosphazene elastomer with up to 35 mole per cent non-fluori

1975-01-29

1976-08-03

Schofer, Joseph L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 47P, 260 47UA, 526246, 526247, 526248, 526276, C08G 7300, C08G 7902

Patent

active

039728412

ABSTRACT:
The low temperature physical properties of copolymers and terpolymers containing fluoroalkoxy groups such as are described in U.S. Pat. Nos. 3,515,699 and 3,700,629 are improved by the incorporation of up to 35 mol % of non-fluorinated alkoxy groups in the polymers in place of some of the fluoroalkoxy groups. The polyphosphazenes of this invention also preferably contain a small amount of unsaturated substituent on the phosphazene backbone to enhance curability.

REFERENCES:
patent: 3700629 (1972-10-01), Reynard et al.
patent: 3702833 (1972-11-01), Rose et al.
patent: 3856712 (1974-12-01), Reynard et al.
patent: 3888799 (1975-06-01), Rose et al.
patent: 3896058 (1975-07-01), Reynard et al.
Chem. & Eng. News, July 14, 1975 -- p. 29.

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