Aromatic dithio dianhydrides

Details Aromatic dithio dianhydrides Aromatic dithio dianhydrides

1974-08-23

1976-01-20

Jiles, Henry R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260326S, 260 78TF, C07D30789

Patent

active

039338622

ABSTRACT:
There are provided bis(thioether) aromatic dianhydrides and method for making these materials. A bisthiol in the presence of base, or bisthiol basic salt, can be reacted with a nitro- or halo-substituted phthalic compound, such as an anhydride or anhydride precursor. These aromatic dithiodianhydrides can be used to make polyimides and polyesters, and can be used as curing agents for epoxy resins.

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