Thermosetting compositions containing poly(arylacetylenes)

Details Thermosetting compositions containing poly(arylacetylenes) Thermosetting compositions containing poly(arylacetylenes)

1975-05-27

1977-05-31

Ziegler, J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260875, 526285, C08K 549

Patent

active

040268608

ABSTRACT:
The invention relates to thermosetting compositions which are blends of novel poly(arylacetylenes) and, as fluidizers, certain aromatic organic compounds containing at least two aromatic rings. The poly(arylacetylenes) are prepolymers of polyacetylenically substituted aromatic compounds, which prepolymers have a number average molecular weight of from about 900 to about 12,000 and contain from about 5 to about 20% by weight of acetylenic groups. Diethynylbenzene is one of the preferred monomers used in preparation of the prepolymers. Representative of the compounds containing at least two aromatic rings are triphenylphosphine and triphenylphosphine oxide. The compositions are curable by heat to produce thermoset resins which have very desirable physical properties at both normal and high temperatures.

REFERENCES:
patent: 3066119 (1962-11-01), Meriwether et al.
patent: 3300456 (1967-01-01), Hay
patent: 3669930 (1972-06-01), Asaharn et al.
patent: 3705131 (1972-12-01), Korshak et al.

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