Aromatic uretdione-diisocyanate-disulphonic acids

Details Aromatic uretdione-diisocyanate-disulphonic acids Aromatic uretdione-diisocyanate-disulphonic acids

1977-11-07

1979-11-27

Berch, Mark L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D20510

Patent

active

041761189

ABSTRACT:
This invention relates to new aromatic uretdione-diisocyanate-disulphonic acids, to a process for the preparation thereof and to the use thereof as components for the production of polyurethane resins. More particularly, the instant invention relates new aromatic uretdione-diisocyanate-disulphonic acids of the general formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 each represent a hydrogen, chlorine or bromine atom or a methyl, ethyl or C.sub.1 -C.sub.4 alkoxy group;

REFERENCES:
patent: 3595329 (1976-05-01), Dieterich et al.
Bordwell et al., J. Amer. Chem. Soc. 81, 1999-2002.
Terent'ev et al., Chem. Abs. 55, 18659f (1960).

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