A composition having improved thermomechanical properties,...

Details A composition having improved thermomechanical properties,... A composition having improved thermomechanical properties,...

C - Chemistry, Metallurgy

08

L

C08L 31/02 (2006.01) C08F 8/42 (2006.01) C08L 23/06 (2006.01)

Patent

CA 2346225

The present invention relates to a composition that is extrudable and cross-linkable in air. The composition that is extrudable and cross-linkable in air comprises a mixture of a copolymer with an ethylenically-unsaturated compound and an unsaturated ester, a hydrolizable silane compound having no ethylenic unsaturation containing functional groups, and a thermoplastic polymer having no functional groups, said functional groups of the ester being selectively reactive with the functional groups of the silane compound. Such a composition is used to fabricate a material for insulating or sheathing a power cable, in particular a medium-voltage cable or a cable for working at a voltage of less than 20 kV. The invention also provides method enabling said composition to be cross-linked and power cables including insulation and/or a sheath containing the composition obtained by the method.

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