.alpha.-ISOCYANATO AND .alpha.-ISOTHIOCYANATO AZOS AND THEIR DERIVATIVES
申请人:Pennwalt Corporation
公开号:US04028344A1
公开(公告)日:1977-06-07
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.