发明名称 |
PROCESSES FOR PRODUCING POLYTRIMETHYLENE ETHER GLYCOL AND COPOLYMERS THEREOF |
摘要 |
Processes for producing polytrimethylene ether glycol and copolymers thereof are provided wherein, by condensing and recycling at least a portion of the vapor phase produced as the reaction progresses, the yield loss and polymer color are reduced. |
申请公布号 |
KR20120112622(A) |
申请公布日期 |
2012.10.11 |
申请号 |
KR20127019201 |
申请日期 |
2010.12.17 |
申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
HOFFMANN CHRISTIAN;JACKSON SCOTT CHRISTOPHER;MURPHY EDWARD R.;RAJAGOPALAN BHUMA |
分类号 |
C08G65/34;C07C41/09;C07C43/11;C08G65/46 |
主分类号 |
C08G65/34 |
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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