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a-Organotin alcohols and quaternary ammonium salts, when used jointly, present a very high activity for the trimerization of aromatic isocyanates. If used separately, no catalytic activity is observed

Посилання на статтю:

Quaternary ammonium halides/2-tributylstannylpropanol: an efficient cyclotrimerization catalyst system for aromatic isocyanurate synthesis / F. Marc, A. Saux and M. Ratier and J. G. Duboudin // Polymer. – 1994. – Vol 35. – P. 5146-5147.

Quaternary ammonium halides/2-tributylstannylpropanol: an efficient cyclotrimerization catalyst system for aromatic isocyanurate synthesis - Завантажити.