| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a dissolution treatment method for used foamed polystyrene and a dissolution liquid for used foamed polystyrene with excellent environmental and economical properties of foamed polystyrene waste, capable of dissolving foamed polystyrene in a short time without volatilizing a solvent at ordinary temperature, and recycling and reusing the dissolution liquid from the point of recycling the dissolved foamed polystyrene. <P>SOLUTION: Waste foamed polystyrene can be safely reduced in volume in a short time and recovered as a raw material renewable to polystyrene, and the volume reducing liquid itself is also renewable. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
