Bis-(4-isocyanatophenoxy)-alkanes and a process for the...

Details Bis-(4-isocyanatophenoxy)-alkanes and a process for the... Bis-(4-isocyanatophenoxy)-alkanes and a process for the...

C - Chemistry, Metallurgy

08

G

402/160, 260/455

C08G 18/77 (2006.01) C07C 205/37 (2006.01)

Patent

CA 1234833

Mo-2713 LeA 23,438 BIS-(4-ISOCYANATOPHENOXY)-ALKANES AND A PROCESS FOR THE PRODUCTION THEREOF ABSTRACT OF THE DISCLOSURE Bis-(4-isocyanatophenoxy)-alkanes corresponding to the formula Image in which R represents a divalent, saturated aliphatic hydrocarbon radical having from 2 to 6 carbon atoms with at least two carbon atoms between the two ether oxygen atoms, and R' represents hydrogen or a methyl group with R' being the same on both rings, are produced by phosgenating the corresponding diamine or an adduct of the corresponding diamine. These diisocyanates are particularly useful in the production of isocyanate addition products having outstanding physical and mechanical properties. Mo-2713

494804

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