发明名称 |
Preparation of polyethylene terephthalate. |
摘要 |
<p>A process is disclosed for preparing polyethylene terephthalate having a predetermined intrinsic viscosity which involves the direct esterification of terephthallic acid with ethylene glycol followed by the polycondensation of the esterification product using a polycondensation catalyst system containing cobalt, manganese-, and antimony-containing components.</p> |
申请公布号 |
EP0399799(A2) |
申请公布日期 |
1990.11.28 |
申请号 |
EP19900305591 |
申请日期 |
1990.05.23 |
申请人 |
AMOCO CORPORATION |
发明人 |
JAMES, DAVID EUGENE;PACKER, LAWRENCE GRAHAM |
分类号 |
C08G63/189;C08G63/78;C08G63/82;C08G63/181;C08G63/183 |
主分类号 |
C08G63/189 |
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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