| 摘要 |
PROBLEM TO BE SOLVED: To provide a separation method capable of efficiently, easily and inexpensively separating a wall trim material made of a thermoplastic resin into a thermoplastic resin layer and a base material paper layer to respectively use the separated layers as reusable regenerated raw materials. SOLUTION: The wall trim material made of the thermoplastic resin is heated to a temperature higher than the softening temperature of the thermoplastic resin layer and the softened thermoplastic resin layer is peeled from the base material paper layer by a physical method. COPYRIGHT: (C)2008,JPO&INPIT
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