A method of manufacturing a crosslinked polymer material recycling

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PROBLEM TO BE SOLVED : To provide a recycled material of a crosslinked polymer, produced by cutting at molecular chains of the crosslinked parts with excellent energy saving wherein the recycled thermoplastic materials has excellent storage stability, thermoplasticity and recycling property. SOLUTION : The recycled material is obtained as follows. A molecular chain of the crosslinked part of a crosslinked polymer is cut with a supercritical alcohol, a subcritical alcohol or a high-temperature high-pressure alcohol to produce a recycled thermoplastic material. A higher alcohol having the number of carbons larger than that of the supercritical alcohol, the subcritical alcohol or the high-temperature high-pressure alcohol is added as a re-crosslinking preventing agent to the recycled thermoplastic material.