Electrical wire and cable

Details Electrical wire and cable Electrical wire and cable

H - Electricity

01

B

31/154, 337/82

H01B 3/30 (2006.01) C08L 67/02 (2006.01) H01B 3/42 (2006.01)

Patent

CA 1259186

ABSTRACT Electrical Wire and Cable Electrical wire and cable is provided with a layer of insulation or jacketing material which comprises a mixture of: (1) a polyester based on tetramethylene terephthalate, preferably polytetramethylene terephthalate; and (2) more than 40%, based on polymer (1), of a block copolymer preferably having polytetramethylene terephthalate hard blocks and poly(polytetra- methylene oxide terephthalate soft blocks. Polymer (2) is a flex modulus of at least 69 MPa preferably at least 138 MPa. The insulation or jacketing material exhibits improved resistance to stress crazing in a number of solvents.

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