Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1974-07-05
1976-04-06
Welsh, M. J.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
252182, 260 2BP, 260 775AQ, 260573, C08G 1832
Patent
active
039488250
ABSTRACT:
By reacting a proper proportion of an alkylene oxide with methylene dianiline (MDA), there is obtained a curing agent or cross-linking agent useful in place of methylene-bis-orthochloro aniline (MOCA) for making polyurethane foams. The invention provides a solution to the problem of finding a substitute for MOCA, which has become suspected as a carcinogen.
REFERENCES:
patent: 3257339 (1966-06-01), Hostettler et al.
patent: 3264268 (1966-08-01), Mullen et al.
patent: 3423344 (1969-01-01), Odinak et al.
BASF Wyandotte Corporation
Dunn Robert E.
Linkhauer John W.
Swick Bernhard R.
Welsh M. J.
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