Polyurethanes: origin, structure and uses
Polyurethanes and Ecological and Economic Transitions Towards new opportunities

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Polyurethanes: origin, structure and uses
Polyurethanes and Ecological and Economic Transitions Towards new opportunities

Author : Sylvain CAILLOL

Publication date: March 10, 2025 | Lire en français

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1. Polyurethanes: origin, structure and uses

1.1 Polyurethane synthesis

PUs (figure 1 ) are obtained by reaction between a polyfunctional alcohol and isocyanate, forming a carbamate group, also known as urethane. This reaction can produce linear or cross-linked materials, depending on the functionality of the monomers (figure 2 )

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