Bis-ethynyl heterocyclic compositions and method of snythesis

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

1975-09-10

1977-05-10

Wong, Jr., Harry

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260250A, 260874, C08K 534

Patent

active

040227464

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: 3654226 (1972-04-01), Augl et al.
patent: 3804807 (1974-04-01), Duffy
patent: 3905941 (1975-09-01), Jones

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