发明名称 |
Purification of ethylene glycol recovered from polyester resins |
摘要 |
There is described a process for purifying ethylene glycol recovered from scrap polyester by contacting the recovered ethylene glycol with, in either order, a first adsorbent that has a high affinity for polar contaminants and a second adsorbent that has a high affinity for non-polar contaminants.
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申请公布号 |
US5770778(A) |
申请公布日期 |
1998.06.23 |
申请号 |
US19960678018 |
申请日期 |
1996.07.10 |
申请人 |
EASTMAN KODAK COMPANY |
发明人 |
NAUJOKAS, ANDRIUS ALGIMANTAS |
分类号 |
C07C29/76;(IPC1-7):C07C31/18;C07C27/26 |
主分类号 |
C07C29/76 |
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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