Linear oxadiazole-imide copolymers

Details Linear oxadiazole-imide copolymers Linear oxadiazole-imide copolymers

1973-10-23

1976-03-02

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 326NA, 260 47CP, 260 78A, 260 78TF, 428474, C08G 7310, C08G 7314

Patent

active

039417492

ABSTRACT:
Polymers containing both oxadiazole and imide recurring units are made from soluble polymeric precursors that contain hydrazide and/or amic acid recurring units. Dehydration of the hydrazide produces the oxadiazole unit and dehydration of the amic acid produces the imide unit. The oxadiazole unit may also be advantageously formed in various monomeric hydrazine compounds. The monomeric hydrazine compounds are made reactive by converting the dinitroso form of the compound into a reactive diamino form. The polymers may be used as molding and laminating resins, wire coatings, films, filaments and adhesives.

REFERENCES:
patent: 3179630 (1965-04-01), Endrey
patent: 3179632 (1965-04-01), Hendrix
patent: 3179634 (1965-04-01), Edwards
patent: 3238183 (1966-03-01), Frazer

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