Fire-retardant resin composition and a covered electric wire

Details Fire-retardant resin composition and a covered electric wire Fire-retardant resin composition and a covered electric wire

1994-11-07

1996-10-01

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

428 3691, 428461, 428463, 524425, 524444, 524445, 524447, 524451, C08J 510, C08K 310, C08L 2310

Patent

active

055611850

ABSTRACT:
There is disclosed a fire-retardant resin composition, comprising a polypropylene-series resin (a), a modified polyethylene modified with an unsaturated carboxylic acid or its derivative (b), a metal hydrate (c), and an ethylene-series copolymer (d), in a specific ratio; and an electric wire with a cover layer formed on the circumference of a conductor, in which the cover layer is composed of a composition prepared by blending (c) a metal hydrate with, in a specific ratio, a resin mixture, containing (a) a polypropylene-series resin, (b) a modified polyethylene, and (d) an ethylene-series copolymer.
The fire-retardant resin composition is excellent in tensile strength, heat resistance, extrudability, and moldability. The covered electric wire is excellent in electric-wire properties and good in the end workability.

REFERENCES:
patent: 4687804 (1987-08-01), Shiraishi et al.
patent: 4845146 (1989-07-01), Inoue et al.
patent: 4859366 (1989-08-01), Djiauw et al.
patent: 5317051 (1994-05-01), Harashige et al.

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