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Flame retardant and smoke suppressant composite high performance support-separators and conduit tubes

  • US 7,202,418 B2
  • Filed: 01/06/2005
  • Issued: 04/10/2007
  • Est. Priority Date: 01/07/2004
  • Status: Active Grant
First Claim
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1. A high performance communications cable comprising:

  • an interior support-separator with an external radial and axial surface, said interior support-separator extending along a longitudinal length of said communications cable, said interior support-separator also having a central region, said central region also extending along a longitudinal length of said interior support-separator of said communications cable;

    said interior support-separator comprising one or more outwardly extended shaped protrusions and conduit tube disposed in said central region;

    wherein said central region, outwardly extended protrusions, and conduit tube are comprised of a composition of inorganic and organic polymer;

    said composition including;

    fluorinated ethylene propylene, fluorinated ethylene, chlorinated ethylene propylene, fluorochlorinated ethylene, perfluoroalkoxy, fluorochlorinated propylene, a copolymer of tetrafluoroethylene and perfluoromethylvinylether (MFA), or a copolymer of ethylene and chlorotrifluoroethylene (ECTFE); and

    homo or copolymers of ethylene or propylene with fluorinated ethylene or polyvinylidene fluoride (PVDF); and

    blends of polyvinyl chloride, polyvinylidene chloride, nylons, polyesters, polyurethanes; and

    nano-composites of clay including unsubstituted or substituted fullerenes primarily comprised of C60 molecules; and

    nano-sized particles of ZnO or TiO2.

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