Diisocyanates containing sulfur, a process for their...

Details Diisocyanates containing sulfur, a process for their... Diisocyanates containing sulfur, a process for their...

C - Chemistry, Metallurgy

08

G

402/123, 402/160

C08G 18/77 (2006.01) C07C 147/00 (1980.01) C07C 149/32 (1980.01)

Patent

CA 1130304

ABSTRACT OF THE DISCLOSURE The invention is directed to new sulfur-contain- ing diisocyanates in which a mercapto, sulfoxo or sulfone group joins two aromatic nuclei together or joins an aromatic nucleus to an aliphatic group and in which at least one of the aromatically bound isocyanate groups is in the ortho-position to the sulfus atom. The invention is also directed to a process for the preparation of these new sulfur- containing diisocyanates and to their use in the isocyanate polyaddition process for the production of polyurethanes.

348518

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