H - Electricity – 01 – B
Patent
H - Electricity
01
B
400/2044, 402/45
H01B 3/30 (2006.01) C08F 236/02 (2006.01)
Patent
CA 1051651
A B S T R A C T An electrical insulator comprises a hydrogenated copolymer of a conjugated aliphatic hydrocarbon diene and an aromatic hydrocarbon having an unsaturated aliphatic hydrocarbon substituent, said copolymer having a maximum iodine equivalent of 200 milligrams per gram of copolymer, a maximum heat of fusion of 20 calories per gram of copolymer and a maximum vinyl content prior to hydrogenation of 25 weight per cent. An example of a suitable copolymer is a highly hydrogenated butadiene/styrene copolymer. The insulator is particularly useful for insulating wires and cables carrying high- voltage electricity.
199363
Cooper Wilfrid
Secco Alessandro
Dunlop Limited
Industrie Pirelli S.p.a.
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