Fire retardant resin compositions

Details Fire retardant resin compositions Fire retardant resin compositions

1993-10-26

1995-05-02

Dean, Ralph H.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524414, 524140, 524141, 524142, 524143, 524148, 524506, C08K 332

Patent

active

054120144

ABSTRACT:
A free-flowing silicone polymer powder, said powder having an average particle size of 1 to 1000 microns and being prepared by mixing a polydiorganosiloxane with a silica filler, and a phosphorus-based fire retardant compound are uniformly dispersed in an organic resin using conventional equipment, such as a single screw extruder. The resulting resin composition shows a significant improvement in fire retardancy but does not exhibit the severe deterioration of impact resistance incurred when the resin is modified with only phosphorus-based fire retardant.

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