Compositions of polyphenylene oxide or mixtures of polyphenylene

Details Compositions of polyphenylene oxide or mixtures of polyphenylene Compositions of polyphenylene oxide or mixtures of polyphenylene

1991-10-08

1993-03-16

Hoke, Veronica P.

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...

524218, 524219, 524227, 524311, 524314, 524354, 524355, 524357, 524358, C08K 520, C08K 510, C08K 508, C08K 507

Patent

active

051944766

ABSTRACT:
Polymeric compositions characterized by their excellent thermal stability containing a polyphenylene ether or one of its blends with at least one (co)polymer of styrene and at least one compound belonging to the group of linear and/or cyclic beta diketones.
Beta-diketones are capable of giving polyphenylene ether and/or its blends with styrenic polymers a long-lasting thermal stability in the molten state and of guaranteeing sufficient fluidity to ensure better processability compared to the same polymers in the known art.

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patent: 4897307 (1990-01-01), Beck et al.
patent: 4970272 (1990-11-01), Gallucci et al.

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