Thermally stable blends of pre-extruded polyphenylene ether, die

Details Thermally stable blends of pre-extruded polyphenylene ether, die Thermally stable blends of pre-extruded polyphenylene ether, die

1993-09-20

1995-01-24

Seidleck, James J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 92, 525132, 525152, 524508, C08L 2510, C08L 7112

Patent

active

053843606

ABSTRACT:
There are provided melt extruded blends of polyphenylene ether and diene based rubber containing an effective amount of a dialkylamine which has been found effective as a stabilizer for the diene based rubber. Additional diene based rubber stability can be achieved by using preextruded polyphenylene ether. The resulting melt extruded blends have been found to enjoy increased resistance to change in impact values when recycled in the molded state.

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