Thermally stable dioxo and dithio-benzisoquinoline compositions

Details Thermally stable dioxo and dithio-benzisoquinoline compositions Thermally stable dioxo and dithio-benzisoquinoline compositions

1975-06-06

1976-10-19

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 47CP, 260 78TF, 260 783R, 260 79, C08K 513

Patent

active

039870030

ABSTRACT:
Thermally stable dioxo and dithio-benzisoquinoline polymers are synthesized by the polycondensation of oxyarylene and thioarylene bis-naphthalic acid dianhydrides and aromatic diamino compounds. The compositions are particularly useful in high temperature applications such as in the fabrication of plastics, composites, fibrous materials, protective coatings and films.

REFERENCES:
patent: 3549594 (1970-12-01), Twilley et al.
patent: 3803103 (1974-04-01), Magay

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