| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method for recovering the raw material of high purity from a collected matter of flexible poly(vinyl chloride). <P>SOLUTION: The method for recovering a raw material from a collected matter of flexible poly(vinyl chloride) comprises bringing the collected matter into contact with an alcoholic solvent and a nonalcoholic solvent under the supercritical state of the above nonalcoholic solvent and then separating the liquid part from a solid-liquid residue product obtained by releasing the supercritical state. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
