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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Polyurethanes: origin, structure and uses
Biobased polyols: new solutions for polyurethanes
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