Stabilization of polyphosphazenes

Details Stabilization of polyphosphazenes Stabilization of polyphosphazenes

1977-03-21

1978-07-18

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 457R, 260 4575W, C08K 534

Patent

active

041015070

ABSTRACT:
Polyphosphazenes are stabilized against thermal degradation by the incorporation of a synergistic combination of certain picolinamides and a basic oxide such as MgO. In the absence of MgO from the formulation, the picolinamide is not effective as a stabilizer. A particularly preferred stabilizer is the reaction product of 3-hydroxypicolinamide and MgO.

REFERENCES:
patent: 3843596 (1974-10-01), Kyker et al.
patent: 3867341 (1975-02-01), Kyker
patent: 3972841 (1976-08-01), Cheng et al.
patent: 4017458 (1977-04-01), Lohr, Jr.
patent: 4026839 (1977-05-01), Dieck et al.

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