Polyphenylene ether compositions having improved impact and ESCR

Details Polyphenylene ether compositions having improved impact and ESCR Polyphenylene ether compositions having improved impact and ESCR

1985-10-10

1987-03-03

Ziegler, Jacob

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521150, 524157, 525 68, 525 92, 525905, C08F 1400, C08F 3600

Patent

active

046475940

ABSTRACT:
The properties of polymer mixtures which comprise a polyphenylene ether and a polyvinyl aromatic compound can be improved by the simultaneous addition of an organic metal sulphonate compound and a block copolymer. In particular a combination of a good impact strength and a good resistance against agressive media under mechanical stresses (environmental stress) cracking resistance "ESCR") is obtained. This also applies to polymer mixtures having a high content of titanium dioxide.

REFERENCES:
patent: 4304881 (1981-12-01), Aoki et al.
patent: 4529761 (1985-07-01), Lohmeijer

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