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Preparations of Polyfunctional Isocyanates

Polyfunctional isocyanates can be formed in many ways. Commercially, the most important way is through reactions of phosgene with amines or amine salts. Other reactions, however, like that of carbon monoxide with nitro compounds, are now also becoming important. Addition of isocyanic acid to olefins is also gaining prominence. [Pg.331]


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