Liquid diphenylmethane diisocyanate compositions

Details Liquid diphenylmethane diisocyanate compositions Liquid diphenylmethane diisocyanate compositions

1983-09-30

1984-12-25

Siegel, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260453AM, 560 26, 560 27, 521155, 521159, C07C 6900, C07C12506

Patent

active

044903014

ABSTRACT:
The present invention is directed to a process for the production of an isocyanate which is both stable and liquid at room temperature comprising reacting pure diphenylmethane diisocyanate or crude diphenylmethane diisocyanate with the monoallyl ether of trimethylolpropane at a temperature of from 20.degree. to 110.degree. C., in such a ratio that the resultant product has an isocyanate group content of from 20 to 30%, by weight, and the product resulting therefrom.

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