Electric cable with insulation of ethylene vinyl alcohol copolymer and ammonium polyphosphate
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United States of America Patent
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Mar 1, 1988
Grant Date -
N/A
app pub date -
Sep 15, 1986
filing date -
Oct 1, 1985
priority date (Note) -
Expired
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Abstract
A fire retardant polymeric compound comprises a polymer having hydroxyl groups and an inorganic phophate so as to produce a char by the process of intumescence when subjected to combustion. The polymer may be an ethylene vinyl alcohol copolymer and the inorganic phosphate may be ammonium polyphosphate.
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