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Low-temperature amino-based catalyst activation for on-demand polyurethane synthesis

Polymer Journal volume 52, pages 45–49 (2020)Cite this article

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Abstract

A new latent catalyst, based on 1,5-diazabicyclo[4.3.0]non-5-ene (DBN), was specifically designed to be thermally deprotected at low temperature. In particular, specific isocyanurates based on the reaction of two substituted isocyanates with DBN are used as precatalysts for polyurethane (PU) synthesis. The activation temperature of the precatalysts is determined by differential scanning calorimetry, and the activity of the resulting free catalyst is demonstrated through a catalytic cycle on a PU model reaction.

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Authors and Affiliations

  1. Univ. Bordeaux, CNRS, Bordeaux INP, LCPO, UMR 5629, 33600, Pessac, France

    Romain Lambert, Emmanuel Ibarboure, Guillaume Fleury & Stéphane Carlotti

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  1. Romain Lambert
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  2. Emmanuel Ibarboure
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  3. Guillaume Fleury
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  4. Stéphane Carlotti
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Correspondence to Stéphane Carlotti.

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Lambert, R., Ibarboure, E., Fleury, G. et al. Low-temperature amino-based catalyst activation for on-demand polyurethane synthesis. Polym J 52, 45–49 (2020). https://doi.org/10.1038/s41428-019-0246-8

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