H - Electricity – 01 – B
Patent
H - Electricity
01
B
337/82
H01B 3/30 (2006.01) H01B 3/44 (2006.01) H01B 7/295 (2006.01)
Patent
CA 1214528
ABSTRACT Electrical insulation comprises (1) an inner layer of a cross-linked polymer, e.g. an ethylene/tetra- fluoroethylene copolymer, an ethylene/chlorotri- fluoroethylene polymer or a vinylidene fluoride poly- mer, and (2) an outer layer of an aromatic polymer having a glass transition temperature of at least 100°C, e.g. a polyether ether ketone, a polyether ketone or a polyether sulfone. Such insulation com- bines excellent properties under normal service con- ditions with low smoke evolution on burning, and is therefore particularly useful for aircraft wire and cable.
436688
Lunk Hans E.
Tondre Stephen L.
Fetherstonhaugh & Co.
Raychem Corporation
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