| 发明名称 |
PRODUCTION OF CAPROLACTAM BY THERMAL DEPOLYMERIZATION OF POLYAMIDE 6 |
| 摘要 |
The invention relates to a process for the production of caprolactam by thermal depolymerization of polyamide in the presence of small quantities of potassium carbonate at 250 DEG to 320 DEG C. and to a process for purifying the resulting caprolactam.
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| 申请公布号 |
US5233037(A) |
申请公布日期 |
1993.08.03 |
| 申请号 |
US19920930365 |
申请日期 |
1992.08.17 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
NIELINGER, WERNER;OSTLINNING, EDGAR;IDEL, KARSTEN-JOSEF;FREITAG, DIETER;BUYSCH, HANS-JOSEF |
| 分类号 |
C07D201/12;C08G69/14;C08G69/16;C08J11/16;C08L77/00;C08L77/02 |
主分类号 |
C07D201/12 |
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