Hydroxy-terminated aromatic oligomeric phosphate as additive flame retardant in polycarbonate resin composition
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United States of America Patent
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Apr 8, 1997
Issued Date -
N/A
app pub date -
Aug 3, 1995
filing date -
Dec 7, 1994
priority date (Note) -
Expired
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Abstract
The present application relates to a flame retarded polycarbonate resin composition containing for flame retardancy a hydroxy-terminated aromatic oligomeric phosphate composition of the formula: ##STR1## where R is a hydrocarbyl group derived from an aliphatic or aromatic diol, Ar is an alkyl-substituted or unsubstituted phenyl group, n is from about 0 to about 10, and the phosphate composition contains a predominant amount of phosphate where n ranges from 0 to 1.
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