Flameproofing additives for thermoplastic synthetic resins
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United States of America Patent
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Nov 17, 1981
Grant Date -
N/A
app pub date -
Jan 9, 1980
filing date -
Feb 12, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A flameproofing additive for thermoplastic synthetic resin compositions comprises 60-30 wt. % of a lower melting, flame retardant organic bromine compound which melts at 80.degree.-200.degree. C. and 40-70 wt. % of a higher melting, flame retardant organic bromine compound which melts at 280.degree.-400.degree. C., each of the flame retardant, organic bromine compounds being thermally stable at the processing temperatures to which the thermoplastic synthetic resin is to be exposed after being combined with the flameproofing additive.
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