Strand material covered with clear flame retardant composition a

Details Strand material covered with clear flame retardant composition a Strand material covered with clear flame retardant composition a

1974-06-18

1976-03-02

Lusignan, Michael R.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

260 304R, 260 306R, 260 316, 260 318G, 427120, 428921, B05D 512, C08K 515, C08K 549, C08K 510

Patent

active

039419088

ABSTRACT:
A retractile cord of a telephone handset having individually insulated conductors is jacketed with an extrudable flexible clear flame retardant composition which includes a polyvinyl chloride resin (PVC). A phthalate plasticizer is included to impart low temperature properties to the composition while a phosphate plasticizer is used for flame retardancy and a polymeric plasticizer for resistance to extraction of constituents of the composition by oils encountered during use. The composition also includes a metallic stabilizer, a lubricant, an ultraviolet light absorber, an epoxy resin and epoxidized plasticizing stabilizer. The extruded composition is characterized by excellent clarity as well as superior low temperature, flame-retardant and lacquer-mar properties. Equally important is the outstanding resiliency of strand material covered with the composition and wound into a helical configuration with a plurality of convolutions.

REFERENCES:
patent: 2555062 (1951-05-01), Small et al.
patent: 3149087 (1964-09-01), Anagnostopoulos et al.
patent: 3274135 (1966-09-01), Norman et al.
patent: 3313760 (1967-04-01), Barnes et al.
patent: 3558537 (1971-01-01), Hecker et al.

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