Transmission media covered with lead-free stabilized polyvinyl c

Details Transmission media covered with lead-free stabilized polyvinyl c Transmission media covered with lead-free stabilized polyvinyl c

1991-08-29

1994-07-05

Ryan, Patrick J.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428372, 428375, 428383, 428389, 4284246, 174 681, 174110R, 174110SR, 174112, B32B 1500, H01B 700

Patent

active

053266382

ABSTRACT:
A cable (20) which may be used for communications, for example, include transmission media (24-24), each having a plastic composition of matter disposed thereabout. The insulation (26) comprises a polyvinyl chloride composition which includes a lubricant and a lead-free stabilization system. The stabilization system includes a calcium-zinc constituent in combination with an antioxidant-metal deactivator complex which provides a sacrificial function to prevent the formation of calcium or zinc chloride which would affect adversely the electrical properties of the insulated conductor. A jacket (28) typically is disposed about a plurality of the transmission media and comprises a non-lead stabilized plastic composition of matter.

REFERENCES:
patent: 4154892 (1979-05-01), Glatti et al.
patent: 4584241 (1986-04-01), Choi et al.
Modern Plastics, "Heat Stabilizers" With Cadmium and Lead Drawing Fire, Suppliers Seek Laternatives, Sep. 1990, pp. 92-99.
U.S. application Ser. No. 07/675,784 filed on Mar. 27, 1991 in the names of M. F. Marx, et al.

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