High impact rubber modified polystyrene and polyphenylene ether

Details High impact rubber modified polystyrene and polyphenylene ether High impact rubber modified polystyrene and polyphenylene ether

1986-12-19

1989-04-25

Ziegler, Jacob

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

Synthetic resins

Processes of preparing a desired or intentional composition...

525 67, 525 68, 525 92, 525151, 525152, C08K 551, C08L 6900, C08L 7104

Patent

active

048248878

ABSTRACT:
Disclosed are thermoplastic compositions of improved mold flow comprising a polyphenylene ether resin and novel rubber modified polystyrenes containing dispersed rubbery particles having a maximum mean diameter of about 2.0 microns and a ratio of the volume average particle size
umber average particle size of from not substantially less than 2.00 up to 3.20. Articles molded from the composition have vastly improved surface gloss and ductile impact strength in comparison with conventional polyphenylene/high impact rubber modified polystyrene compositions.

REFERENCES:
patent: 4128602 (1978-12-01), Katchman et al.
patent: 4128603 (1978-12-01), Katchman et al.
patent: 4128604 (1978-12-01), Katchman et al.
patent: 4448931 (1984-05-01), Sugio et al.
patent: 4513120 (1985-04-01), Bennett, Jr. et al.

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