Bis-ethynyl heterocyclic compositions and method of synthesis

Details Bis-ethynyl heterocyclic compositions and method of synthesis Bis-ethynyl heterocyclic compositions and method of synthesis

1976-12-23

1978-04-25

Daus, Donald G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D24142, C08K 534

Patent

active

040862321

ABSTRACT:
Bis-ethynyl quinoxaline compositions are prepared by the condensation reaction of an aromatic diglyoxyl or dibenzil with an ethynyl-substituted aromatic ortho-diamine. The compositions are useful as polymerizable plasticizers for heterocyclic thermoplastic resins in the fabrication of composites. Polymerizable plasticizers are materials that remain fluid and act as a plasticizer during early stages of fabrication and then polymerize to a rigid resin.

REFERENCES:
patent: 3966729 (1976-06-01), Kovar et al.
patent: 4005144 (1977-01-01), Kovar et al.

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