Thermosetting compositions containing a poly (arylacetylene) and

Details Thermosetting compositions containing a poly (arylacetylene) and Thermosetting compositions containing a poly (arylacetylene) and

1977-07-08

1979-03-13

Griffin, Ronald W.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 336UA, 260823, 260874, C08K 500, C08K 517

Patent

active

041442180

ABSTRACT:
This invention relates to poly(arylacetylene) thermosetting compositions and thermoset resins prepared therefrom. The thermosetting compositions comprise a poly(phenylene oxide) and a polyacetylenically unsaturated prepolymer of a polyacetylenically substituted aromatic compound such as diethynylbenzene. The prepolymer has a number average molecular weight of about 900 to about 12,000 and contains from about 5 to about 20% by weight of terminal acetylenic groups. A representative poly(phenylene oxide) is poly(2,6-dimethyl-1,4-phenylene oxide).

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