| 摘要 |
PCT No. PCT/GB94/01042 Sec. 371 Date Nov. 8, 1995 Sec. 102(e) Date Nov. 8, 1995 PCT Filed May 16, 1994 PCT Pub. No. WO94/27298 PCT Pub. Date Nov. 24, 1994Polymer blend for insulating electrical wires comprises a first polymer (polyester) having an inherent L.O.I. not higher than 21% and up to 40% by weight of a polyimide-siloxane (PIS) copolymer. Preferred polyesters are polybutylene terephthalate or polyester-ester block copolymers. Preferred wire constructions have core insulation layer of polyethylene or polyester overlaid with jacket of the polyester/PIS copolymer blend. |
