Plenum cables which include non-halogenated plastic materials
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United States of America Patent
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-
Jun 18, 1991
Issued Date -
N/A
app pub date -
Dec 21, 1989
filing date -
Jan 27, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cable which may be used in buildings in concealed areas such as in plenums or in riser shafts includes a core (22) which includes at least one transmission medium which is enclosed with a non-halogenated plastic material. The core is enclosed with a jacket (28) which also is made of a non-halogenated plastic material. The non-halogenated plastic material of the insulation is selected from the group consisting of a polyetherimide and a silicone-polyimide copolymer, or a blend comprising the polyetherimide and the silicone-polyimide copolymer. For the jacket, the plastic material includes a silicone-polyimide copolymer.
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