| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a recovery method that permits enhancement of efficiency of a treatment in a dissolution step when a vinyl chloride resin is recovered by dissolving a sheet-like waste product in a solvent. <P>SOLUTION: The method for recovering the vinyl chloride resin from the sheet-like waste product comprises a granulation step for heating and melting the sheet-like waste product and subsequently granulating to obtain a vinyl chloride resin-containing granule, a dissolution step for dissolving the vinyl chloride resin-containing granule in a solvent in which the vinyl chloride resin is soluble to obtain a vinyl chloride resin-containing solution, a separation step for separating insoluble from the vinyl chloride resin-containing solution, and a recovery step for recovering the vinyl chloride resin from the solution from which the insoluble has been removed. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
