Clay filled polyphenylene ether compositions

Details Clay filled polyphenylene ether compositions Clay filled polyphenylene ether compositions

1980-11-24

1982-03-02

Jacobs, Lewis T.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524445, C08K 549

Patent

active

043177611

ABSTRACT:
Compositions comprising polyphenylene ether, an impact modifier such as an A-B-A.sup.1 block copolymer, a plasticizer and a particular clay filler in which the particles have a mean particle size of no greater than 0.6 micron, preferably between 0.1 and 0.6 micron, and a surface area of at least 15 m.sup.2 /g. The clay should be essentially free of large particles commonly known as "grit", and should also be substantially non-agglomerated or clump-free. The compositions when molded possess unexpectedly high Gardner impact resistance.

REFERENCES:
patent: 3708455 (1973-01-01), Nakanishi et al.
patent: 3850879 (1974-11-01), Anderson
patent: 3923929 (1975-12-01), Wright et al.
patent: 4166812 (1979-09-01), Lee
patent: 4233199 (1980-11-01), Abolins et al.
patent: 4239673 (1980-12-01), Lee

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