Polymerization catalyst for the preparation of poly...

Details Polymerization catalyst for the preparation of poly... Polymerization catalyst for the preparation of poly...

C - Chemistry, Metallurgy

08

G

C08G 18/02 (2006.01) C08G 69/00 (2006.01)

Patent

CA 2118459

A POLYMERIZATION CATALYST FOR THE PREPARATION OF POLY(ISOCYANATES) ABSTRACT OF THE DISCLOSURE An improvement in the process of preparing nylon-1 by the polymerization of isocyanates is disclosed. Accordingly, the improvement comprising using in the process a catalyst conforming to (X)n Me(OR)m where Me is titanium or zirconium, X is chlorine or bromine atom, R is an aliphatic radical having 1 to 20 carbon atoms and where the sum of m = n is 4 with the proviso that where Me is titanium n is 1 or 2, and where Me is zirconium n is 1-4.

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