Polymer mixture comprising a polyphenylene ether and optionally

Details Polymer mixture comprising a polyphenylene ether and optionally Polymer mixture comprising a polyphenylene ether and optionally

1984-03-29

1988-09-13

Ziegler, Jacob

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...

524494, 525 68, 525 98, 525132, 525905, C08L 7104

Patent

active

047710969

ABSTRACT:
Polyphenylene ethers may show the property that their molecular weight increases considerably upon extrusion. This increase of the molecular weight leads to less good flow properties. It has been found that the addition of a conjugated, non-aromatic diene compound or of a dienophilic compound suppresses the increase of the molecular weight under extrusion.

REFERENCES:
patent: 4373055 (1983-02-01), Haaf et al.
patent: 4389516 (1983-06-01), Sugio et al.
Japan 20,379; published May 24, 1974.

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