发明名称 |
Apparatus for manufacturing polycarbonate |
摘要 |
To provide a manufacturing apparatus with which it is possible to manufacture a polycarbonate that has superior residence stability such as its coloring stability and thermal stability during melt molding, and that has a low content of foreign matter. An apparatus for manufacturing a polycarbonate by the melt polycondensation of a bisphenol and a carbonic diester, wherein said apparatus for manufacturing a polycarbonate is characterized in that: (1) the equipment surfaces that come into contact with the molten raw materials and the reaction product thereof at 250 DEG C or lower are made of nickel; and (2) the equipment surfaces that come into contact with the molten raw materials and the reaction product thereof above 250 DEG C are made of stainless steel with a nickel content of 5 to 15% and a chromium content of 10 to 20%. |
申请公布号 |
EP1155737(A1) |
申请公布日期 |
2001.11.21 |
申请号 |
EP20000304168 |
申请日期 |
2000.05.17 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
KIMURA, TAKATO;OMORI, SATOSHI;TAMADA, KEN;KENEZAWA, AKIO |
分类号 |
B01J19/02;C08G64/20;C08G64/30 |
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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