发明名称 |
PROCESSO DE PRODUCAO DE POLIOIS DE POLIETER |
摘要 |
The invention relates to a process to produce high-purity, low-odour polyether polyols, with very low levels of catalytic residues, by means of alkene oxide polyaddition reactions to substances that contain active hydrogens in the presence double metal cyanides as catalysts. The process is characterized in that the reaction is carried out in the presence of sepiolites and/or by subsequent treatment with sepiolites of the polyether polyols produced with double metal cyanides in the absence of sepiolites. |
申请公布号 |
PT1338618(E) |
申请公布日期 |
2005.04.29 |
申请号 |
PT20030380039T |
申请日期 |
2003.02.21 |
申请人 |
REPSOL QUIMICA S. A. |
发明人 |
MALAGA MELLADO, MARIANO;BLANCO GONZALEZ, DOLORES;MONTALVO BARROSO, BEATRIZ |
分类号 |
C08G65/26;C08G65/30;(IPC1-7):C08G65/30 |
主分类号 |
C08G65/26 |
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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