Foam polymerization of hexamethylene diisocyanate by cobalt naphthenate

S. Dabi; A. Zilkha

doi:10.1016/0014-3057(82)90059-3

Foam polymerization of hexamethylene diisocyanate by cobalt naphthenate

S. Dabi^*, A. Zilkha

^*Corresponding author for this work

Institute of Chemistry

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

4 Scopus citations

Abstract

The polymerization of hexamethylenediisocyanate (HDI) by Co-naphthenate was studied to establish conditions for fast exothermic reaction required for foam polymerization. Addition of an optimal concentration of DMSO (or DMF) activated the catalyst and lowered the induction period. Better control of the reaction was obtained in the presence of tributyltin oxide which showed a synergistic effect with the catalyst, and on using prepolymers of HDI. The resulting HDI foams were friable and their flammability was lower than that of aromatic polyisocyanurates.

Original language	English
Pages (from-to)	549-553
Number of pages	5
Journal	European Polymer Journal
Volume	18
Issue number	6
DOIs	https://doi.org/10.1016/0014-3057(82)90059-3
State	Published - 1982

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abstract = "The polymerization of hexamethylenediisocyanate (HDI) by Co-naphthenate was studied to establish conditions for fast exothermic reaction required for foam polymerization. Addition of an optimal concentration of DMSO (or DMF) activated the catalyst and lowered the induction period. Better control of the reaction was obtained in the presence of tributyltin oxide which showed a synergistic effect with the catalyst, and on using prepolymers of HDI. The resulting HDI foams were friable and their flammability was lower than that of aromatic polyisocyanurates.",

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AU - Zilkha, A.

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AB - The polymerization of hexamethylenediisocyanate (HDI) by Co-naphthenate was studied to establish conditions for fast exothermic reaction required for foam polymerization. Addition of an optimal concentration of DMSO (or DMF) activated the catalyst and lowered the induction period. Better control of the reaction was obtained in the presence of tributyltin oxide which showed a synergistic effect with the catalyst, and on using prepolymers of HDI. The resulting HDI foams were friable and their flammability was lower than that of aromatic polyisocyanurates.

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Foam polymerization of hexamethylene diisocyanate by cobalt naphthenate

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