Stabilization of flame retardant polycarbonate-polyester composi

Details Stabilization of flame retardant polycarbonate-polyester composi Stabilization of flame retardant polycarbonate-polyester composi

1984-12-28

1985-11-26

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524132, 524133, 524412, 524414, C08K 552, C08K 553

Patent

active

045555400

ABSTRACT:
Blends of an aromatic polycarbonate a polyester, a halogenated flame retardant agent and a metal oxide synergist for the flame retardant are made more stable against transesterification reactions during high temperature processing by the inclusion of minor amounts of selected phosphorus-containing compounds, such as phosphorous acid or acid salt.

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