Flame retardant cable
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United States of America Patent
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Mar 30, 1999
Grant Date -
N/A
app pub date -
Apr 23, 1997
filing date -
May 1, 1996
priority date (Note) -
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Abstract
A cable comprising one or more electrical conductors or communications media, or a core of two or electrical conductors or communications media, each electrical conductor, communications medium, or core being surrounded by a composition comprising: (A) about 40 to about 93 percent by weight of at least one resin selected from the group consisting of ethylene/vinyl acetate copolymer, ethylene/ethyl acrylate copolymer, and an ethylene/alpha-olefin copolymer having a density equal to or less than 0.915 gram per cubic centimeter. (B) about 5 to about 50 percent by weight of a linear ethylene/alpha-olefin copolymer produced by using a single-site metallocene catalyst and having a melt flow rate of about 0.5 to about 50 grams per 10 minutes; a density of 0.86 to 0.91 gram per cubic centimeter; and an Mw/Mn ratio equal to or less than about 3.0; (C) about 2 to about 40 percent by weight of an ethylenic resin modified with a compound or compounds containing a functional group, and for each 100 parts by weight of components (A), (B), and (C), combined, (D) about 50 to about 250 parts by weight of an inorganic flame retardant; and (E) about 0.05 to about 10 parts by weight of silicone oil.
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