| 发明名称 |
Process for the recovery of valuable materials during the work-up of polyvinyl chloride |
| 摘要 |
Heating of polyvinyl chloride, in particular plasticised polyvinyl chloride, to a temperature of from 250 to 500 DEG C in the absence of oxygen gives a low-chlorine, carbon-containing residue, plasticiser and hydrogen chloride. <IMAGE> |
| 申请公布号 |
ZA9407812(B) |
申请公布日期 |
1995.05.24 |
| 申请号 |
ZA19940007812 |
申请日期 |
1994.10.06 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT. |
发明人 |
GUENTHER LYDING;MARIA PILLE;HELMOLD V PLESSEN;JOACHIM SEMEL |
| 分类号 |
B09B3/00;B01D3/14;C08J11/06;C10B53/00;C10B53/07;C10G5/00 |
主分类号 |
B09B3/00 |
| 代理机构 |
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