C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/355, 400/820
C08G 79/04 (2006.01) C08G 79/02 (2006.01) C08L 85/02 (2006.01)
Patent
CA 1254346
ABSTRACT Polyphosphazenes containing 20-80 mole percent phenoxy, 20-80 mole percent alkylphenoxy and 2-30 mole percent alkoxy substituents possess low glass transition temperature while still exhibiting good smoke values in standard tests. The cured polyphosphazene compositions of this invention can be used in all applications which require a non-burning, low-smoke flexible polymer. One main application is as wire and cable electrical insulation in which the compounded polyphosphazene is extruded around the wire and cable and then heated or irradiated to cure the coating.
496101
Penton Harold R.
Pettigrew Francis A.
Corporation Ethyl
Macrae & Co.
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