METHOD FOR MANUFACTURING CHROMENES BY THERMOLYSIS INTENDED FOR THE PREPARATION OF HEAT-SETTING RESINS
A process for manufacturing chromenes which are intended for the preparation of thermosetting resins, includes transforming an aromatic propargyl ether of general formula (I) into a chromene by flash vacuum thermolysis, at a temperature of between 300 and 600° C., at a pressure of between 4 and 10,0...
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