Review Article

Production and Application of Polymer Foams Employing Supercritical Carbon Dioxide

Table 1

Critical temperature and pressure of the most common solvents utilized in industry.

SubstanceTemperature (°C)Pressure (bar)

Ethylene9.350.4
Carbon dioxide31.173.8
Ethane32.248.8
Nitrous oxide36.571.7
Propane96.742.5
Isopropanol235.247.6
Methanol239.581.0
Benzene289.048.9
Toluene318.641.1
Water374.2220.5