Cyclopolymerization of 2,4-toluylene diisocyanate in presence of phosphoric acid amides

Autor:	N.K. Yemel'yanova, Ye.V. Kuznetsov, M.I. Bakhitov
Rok vydání:	1985
Předmět:	Reaction conditions chemistry.chemical_compound Polymerization Chemistry Polymer chemistry General Engineering Organic chemistry Phosphoric acid
Zdroj:	Polymer Science U.S.S.R.. 27:1607-1611
ISSN:	0032-3950
DOI:	10.1016/0032-3950(85)90352-1
Popis:	The cyclopolymerization of 2,4-toluylene diisocyanate (TDI) in presence of phosphoric acid amides has been studied. It was shown that amidophosphites can catalyse both cyclic polymerization and trimerization of this diisocyanate. By varying the reaction conditions the direction of cyclopolymerization can be changed to either dimerization or to formation of polyisocyanates, cyntaining isocyanurate or urethidine dione units.
Databáze:	OpenAIRE
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