发明名称 |
Process and apparatus for heat treatment of polymer containing liquid. |
摘要 |
<p>A process for treating a mixture of a polymer and a chlorinated organic solvent under heating, characterized by employing an apparatus in which a portion thereof to be brought into contact with the heated mixture is made of an acid resistant inorganic material selected from a group consisting of a metallic composition containing at least 85% of copper, nickel or a mixture thereof, and a ceramic material. Deterioration in color is improved in a process for recovering a polymer dissolved in the chlorinated organic solvent.</p> |
申请公布号 |
EP0386616(A2) |
申请公布日期 |
1990.09.12 |
申请号 |
EP19900103950 |
申请日期 |
1990.03.01 |
申请人 |
IDEMITSU PETROCHEMICAL CO. LTD. |
发明人 |
KUNISHI, NORIYUKI, C/O IDEMITSU PETROCHEM. CO. LTD |
分类号 |
B01J19/02;B29C47/08;C08F2/00 |
主分类号 |
B01J19/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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