Synergistic effects in the trimerization of isocyanates by organometallic catalysts

S. Dabi; A. Zilkha

doi:10.1016/0014-3057(80)90111-1

Synergistic effects in the trimerization of isocyanates by organometallic catalysts

S. Dabi^*
, A. Zilkha

^*Corresponding author for this work

Institute of Chemistry

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

Use was made of combinations of organometallic catalysts, having different modes of interacting with the isocyanate group, to obtain strong synergistic effects in catalysing the trimerization of aromatic, aliphatic and strongly hindered isocyanates. The induction period observed in the trimerization of isocyanates with Group 2 catalysts (Pb, Zr and Co-naphthenates) was eliminated in the presence of Group 1 catalysts (tributyltin oxide and Zr(OBu)₄). Group I catalysts in combination with nucleophiles such as KI also showed strong synergistic effects.

Original language	English
Pages (from-to)	827-829
Number of pages	3
Journal	European Polymer Journal
Volume	16
Issue number	9
DOIs	https://doi.org/10.1016/0014-3057(80)90111-1
State	Published - 1980

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title = "Synergistic effects in the trimerization of isocyanates by organometallic catalysts",

abstract = "Use was made of combinations of organometallic catalysts, having different modes of interacting with the isocyanate group, to obtain strong synergistic effects in catalysing the trimerization of aromatic, aliphatic and strongly hindered isocyanates. The induction period observed in the trimerization of isocyanates with Group 2 catalysts (Pb, Zr and Co-naphthenates) was eliminated in the presence of Group 1 catalysts (tributyltin oxide and Zr(OBu)4). Group I catalysts in combination with nucleophiles such as KI also showed strong synergistic effects.",

author = "S. Dabi and A. Zilkha",

year = "1980",

doi = "10.1016/0014-3057(80)90111-1",

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AU - Dabi, S.

AU - Zilkha, A.

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N2 - Use was made of combinations of organometallic catalysts, having different modes of interacting with the isocyanate group, to obtain strong synergistic effects in catalysing the trimerization of aromatic, aliphatic and strongly hindered isocyanates. The induction period observed in the trimerization of isocyanates with Group 2 catalysts (Pb, Zr and Co-naphthenates) was eliminated in the presence of Group 1 catalysts (tributyltin oxide and Zr(OBu)4). Group I catalysts in combination with nucleophiles such as KI also showed strong synergistic effects.

AB - Use was made of combinations of organometallic catalysts, having different modes of interacting with the isocyanate group, to obtain strong synergistic effects in catalysing the trimerization of aromatic, aliphatic and strongly hindered isocyanates. The induction period observed in the trimerization of isocyanates with Group 2 catalysts (Pb, Zr and Co-naphthenates) was eliminated in the presence of Group 1 catalysts (tributyltin oxide and Zr(OBu)4). Group I catalysts in combination with nucleophiles such as KI also showed strong synergistic effects.

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JO - European Polymer Journal

JF - European Polymer Journal

IS - 9

ER -

Synergistic effects in the trimerization of isocyanates by organometallic catalysts

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