发明名称 |
Process for the continuous production of high molecular weight polyethylene terephthalate |
摘要 |
This invention relates to a process for the continuous production of high molecular weight polyethylene terephthalate by polycondensation in the solid phase wherein granulated, dried polyethylene terephthalate, having an intrinsic viscosity of at least 0.15, is first crystallized and is thereafter subjected to solid state polycondensation.
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申请公布号 |
US4064112(A) |
申请公布日期 |
1977.12.20 |
申请号 |
US19760677503 |
申请日期 |
1976.04.15 |
申请人 |
ZIMMER AKTIENGESELLSCHAFT |
发明人 |
ROTHE, HANS JOACHIM;HEINZE, HELMUT;WHITEHEAD, BRIAN D.;PRIEPKE, GUNTHER |
分类号 |
C08G63/80;(IPC1-7):C08G63/26 |
主分类号 |
C08G63/80 |
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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