Process for the partial carbodiimidization of organic isocyanate

Details Process for the partial carbodiimidization of organic isocyanate Process for the partial carbodiimidization of organic isocyanate

1976-08-17

1978-05-09

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

560 26, 560158, 560115, 260 25AT, 260 25AW, 260 25BF, 260 75NT, 260 775AB, 260 775AT, 260239A, 260389, 2603977R, 260453A, 260453AB, 260453AR, 260453AL, 260453SP, 260566R, 252182, 544209, C07C119055, C08G 1814, C08G 1878

Patent

active

040886654

ABSTRACT:
The present invention relates to a new process for the partial carbodiimidization of the isocyanate groups of organic mono-, or di- and/or polyisocyanates, the mixtures which can be obtained by this process and the use of these mixtures as isocyanate components in the production of polyurethane plastics by the known isocyanate polyaddition process. In general, the process comprises:

REFERENCES:
patent: 2853473 (1958-09-01), Campbell et al.
patent: 3931059 (1976-01-01), LaSpina et al.
patent: 3941726 (1976-03-01), Wiedermann et al.
patent: 4014935 (1977-03-01), Ibbotson

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