.alpha.-ISOCYANATO AND .alpha.-ISOTHIOCYANATO AZOS AND THEIR DER

Details .alpha.-ISOCYANATO AND .alpha.-ISOTHIOCYANATO AZOS AND THEIR DER .alpha.-ISOCYANATO AND .alpha.-ISOTHIOCYANATO AZOS AND THEIR DER

1974-03-21

1977-06-07

Wyman, Daniel E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 25N, 260175, 260192, 260870, 260925, 526218, 526219, 526344, C07C10702, C08J 900

Patent

active

040283445

ABSTRACT:
Azoalkanes of the formula ##STR1## WHERE Z is isocyanate or isothiocyanate or derivatives thereof, such as 1-t-butylazo-1-isothiocyanatocyclohexane, which are useful as foaming agents for polyester resins and as free radical initiators for vinyl monomers.

REFERENCES:
patent: 2586995 (1952-02-01), Robertson
patent: 3282912 (1966-11-01), Benzing
patent: 3644406 (1972-02-01), Sheppard et al.
patent: 3649614 (1972-03-01), Sheppard et al.
patent: 3752802 (1973-08-01), Sheppard et al.
patent: 3775395 (1973-11-01), Koyanagi et al.

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