发明名称 |
PROCESS FOR ENRICHING THE DIFUNCTIONAL CONTENT OF (PER)FLUOPOLYETHER MIXTURES |
摘要 |
<p>The present invention relates to a process for increasing the content of bifunctional species in nnixtures of non functional, mono- and bifunctional (per)fluoropolyethers which comprises the adsorption of a (per)fluoropolyether mixture onto an adsorbing stationary phase, a first desorption step with a supercritical fluid only and a second desorption step with the supercritical fluid and a mixture of a polar solvent.</p> |
申请公布号 |
WO2013060658(A1) |
申请公布日期 |
2013.05.02 |
申请号 |
WO2012EP70916 |
申请日期 |
2012.10.23 |
申请人 |
SOLVAY SPECIALTY POLYMERS ITALY S.P.A. |
发明人 |
TONELLI, CLAUDIO ADOLFO PIETRO;VALSECCHI, ROBERTO;MUTTA, FABRIZIO |
分类号 |
C08G65/00;C08G65/30 |
主分类号 |
C08G65/00 |
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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