| 发明名称 |
Recycling polyalkylene terephthalate esp. PET film waste |
| 摘要 |
<p>- Process for working up polyalkylene terephthalate (I) with units of formula (IA) comprises treating lumps or slices, up to the size of the palm of the hand, in an acetate melt so that they break down into re-useable fragments; in which R = ethylene, propylene, butylene or 1,4-cyclohexanedimethylene.</p> |
| 申请公布号 |
DE19534276(A1) |
申请公布日期 |
1997.03.20 |
| 申请号 |
DE1995134276 |
申请日期 |
1995.09.15 |
| 申请人 |
DEGUSSA AG, 60311 FRANKFURT, DE |
发明人 |
HASENPUSCH, WOLFGANG, DR., 63457 HANAU, DE |
| 分类号 |
C07C51/09;C07C67/10;C08J11/22;(IPC1-7):C08J11/22;C08L67/02;C07C69/16 |
主分类号 |
C07C51/09 |
| 代理机构 |
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