Compositions, methods, and devices providing shielding in communications cables
First Claim
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1. A separator for use in a telecommunication cable, comprisinga polymeric preformed elongate support element extending from a proximal end to a distal end and having at least one channel adapted for receiving a plurality of conductors,wherein said elongate support element comprises at least one base fluoropolymer and a plurality of electrically conductive elements distributed in said at least one fluoropolymer;
- wherein said electrically conductive elements have a plurality of different shapes comprising a first plurality of elements having a needle-like shape and a second plurality of elements having a flake-like shape;
wherein said plurality of needle-like shaped elements have a length in a range of about 10 microns to about 1000 microns; and
wherein said plurality of flake-like shaped elements have an average maximum cross-sectional dimension in a range of about 600 microns to about 6000 microns.
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Abstract
Compositions, devices, and methods for providing shielding communications cables are provided. In some embodiments, compositions including electrically conductive elements are disclosed. In other embodiments, cable separators, tapes, and nonwoven materials including various electrically conductive elements are disclosed.
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Citations
23 Claims
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1. A separator for use in a telecommunication cable, comprising
a polymeric preformed elongate support element extending from a proximal end to a distal end and having at least one channel adapted for receiving a plurality of conductors, wherein said elongate support element comprises at least one base fluoropolymer and a plurality of electrically conductive elements distributed in said at least one fluoropolymer; -
wherein said electrically conductive elements have a plurality of different shapes comprising a first plurality of elements having a needle-like shape and a second plurality of elements having a flake-like shape; wherein said plurality of needle-like shaped elements have a length in a range of about 10 microns to about 1000 microns; and wherein said plurality of flake-like shaped elements have an average maximum cross-sectional dimension in a range of about 600 microns to about 6000 microns. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23)
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22. A separator for use in a telecommunication cable, comprising:
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a polymeric preformed elongate support element extending from a proximal end to a distal end and having at least one channel adapted for receiving a plurality of conductors, wherein said elongate support element comprises at least one base fluoropolymer; and a plurality of electrically conductive elements distributed in said at least one fluoropolymer, wherein said plurality of electrically conductive elements comprise a first plurality of elements having a needle-like shape and a length in a range of about 10 microns to about 1000 microns; wherein said plurality of needle-like electrically conductive elements exhibit an aspect ratio greater than 75; and wherein said plurality of electrically conductive elements further comprise a second plurality of elements having a flake-like shape that exhibit an average maximum cross-sectional dimension in a range of 600 microns to 6000 microns.
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Specification