Liquid diphenylmethane diisocyanate compositions

Details Liquid diphenylmethane diisocyanate compositions Liquid diphenylmethane diisocyanate compositions

1979-03-28

1980-10-21

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260453AM, 260453SP, C07C119048, C07D22900

Patent

active

042293472

ABSTRACT:
A liquid diphenylmethane diisocyanate composition which comprises diphenylmethane diisocyanate in which from 10 to 35% of the isocyanate groups have been reacted with a mixture of alkylene glycols each containing at least three carbon atoms, one of the glycols being dipropylene glycol, tripropylene glycol or a higher propylene glycol. The composition is made by heating together the reactants.

REFERENCES:
patent: 3394164 (1968-07-01), McClellan et al.
patent: 3644457 (1972-02-01), Ronig et al.
patent: 3883571 (1975-05-01), Allport et al.
patent: 4031026 (1977-06-01), Ibbotson
patent: 4118411 (1978-10-01), Reiff et al.

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