1. Reactive systems
1.1 Polyurethanes
Polyurethanes are the most widely used family of RIM processes.
A urethane is obtained by adding an alcohol to an isocyanate in the following reaction (ionic process):
.
In practice, the mixtures used, traditionally called components A and B, have the following typical composition:
A: diisocyanate
B :polyol...
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Reactive systems
Reinforcements and loads
Statistical and economic data
For exterior body parts, the world market for R-RIM and S-RIM materials was around 200,000 t/year in 2000, broken down as follows:
NAFTA (including United States): 70% ;
Asia (including Japan): 20% ;
Europe: 10%.
NAFTA: North American Free Trade Agreement.
The breakdown of the European market in 2000, in order of importance of consumption,...
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