Stabilized preparations of aromatic isocyanatosulphonic acids

Details Stabilized preparations of aromatic isocyanatosulphonic acids Stabilized preparations of aromatic isocyanatosulphonic acids

1979-02-15

1980-09-30

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260453AR, C07C119048

Patent

active

042255325

ABSTRACT:
The present invention relates to a process for increasing the storage stability of solid aromatic isocyanatosulphonic acids by the addition of a substantially apolar, stabilizing agent which is inert towards isocyanate groups and sulphonic acid groups, which has a melting point in the region between about 27.degree. and 250.degree. C. and which, in the molten state, is a non-solvent for the isocyanatosulphonic acids. The present invention also relates to mixtures which are stable in storage and which may be in the form of a moist powder or a paste containing a mixture of solid, finely dispersed, aromatic isocyanatosulphonic acid and the substantially apolar, inert stabilizing agent mentioned above.

REFERENCES:
patent: 3826769 (1974-07-01), Carlson
patent: 3959329 (1976-05-01), Dieterich
patent: 4143062 (1979-03-01), Dieterich

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