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Pyrolysis and recovery of polyurethane foaming agent
Polyurethane foaming machineThere are two methods for the pyrolysis of soft polyurethane foam.
One method is cracking in an inert gas atmosphere or oxidation atmosphere at a high temperature of 250-1200℃ to produce a mixture of gas and liquid. For example, the soft foam waste is cracked at 250-300℃. The product is isocyanate and polyols of basically equal amount, which are cracked at 700-800℃. The product is pyrolysis gas, oil and coke
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