Method of decomposing thermosetting resin, apparatus and heat control program

Abstract

A method of decomposing a thermosetting resin by a decomposer comprising the steps of: pre-heating the thermosetting resin up to a pre-heating temperature T; kneading the pre-heated thermosetting resin together with a decomposer, and concurrently heating a mixture comprising the thermosetting resin and the decomposer up to a kneading temperature T, thereby allowing a reaction to take place between the decomposer and the thermosetting resin to obtain a kneaded matter wherein the decomposer becomes consumed; and heating the kneaded matter to a maximum temperature Tto thereby decompose the thermosetting resin; wherein the preheating temperature Tis not higher than the boiling temperature of the decomposer; the kneading temperature Tis not lower than the pre-heating temperature Tbut is lower than the thermal decomposition temperature of the thermosetting resin; the maximum temperature Tis lower than the decomposition temperature of the thermosetting resin; and the pre-heating of the thermosetting resin is performed under the following conditions of temperature Tand time t:100° C.≦T0<260° C.0.5 min≦t≦7 min.