Polyaddition reactions
Polyurethanes PUR
Article REF: AM3425 V2
Polyaddition reactions
Polyurethanes PUR

Author : Jean-Claude BERTHIER

Publication date: January 10, 2009 | Lire en français

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3. Polyaddition reactions

3.1 Reaction mode

The reaction is of the exothermic polyaddition type (figure 7 ). It takes place between a hydroxyl group (–OH), through the presence of a free hydrogen, and an isocyanate group (–NCO). .

.Polyaddition reaction equation
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