| 发明名称 |
METHOD FOR RECOVERING EFFECTIVE COMPONENT FROM POLYESTER WASTE |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method for stably and efficiently recovering an effective component from a polyester waste mainly containing a polyalkylene terephthalate. <P>SOLUTION: The method comprises controlling the concentration of sodium in a depolymerization reaction concentrate when a depolymerization reaction liquid resulting from the depolymerization of the polyester waste is concentrated to produce the depolymerization reaction concentrate. <P>COPYRIGHT: (C)2004,JPO&NCIPI</p> |
| 申请公布号 |
JP2004224940(A) |
申请公布日期 |
2004.08.12 |
| 申请号 |
JP20030015531 |
申请日期 |
2003.01.24 |
| 申请人 |
TEIJIN FIBERS LTD |
发明人 |
ISHIHARA KENICHI;HORIUCHI HIROSHI |
| 分类号 |
C08J11/24;C07C27/02;C07C29/128;C07C29/80;C07C31/20;C07C67/03;C07C67/54;C07C69/80;C08J11/16;(IPC1-7):C08J11/24 |
主分类号 |
C08J11/24 |
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