发明名称 |
Process for preparing ester plasticizers |
摘要 |
The present invention relates to a process for preparing ester plasticizers from ethylene glycol or the dimers, trimers or tetramers of this compound and linear or branched aliphatic monocarboxylic acids having from 3 to 20 carbon atoms. The reaction is carried out in the presence of organic substances having a boiling point of <112° C., in particular cyclohexane, as azeotrope formers (entrainers) for removing the water of reaction.
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申请公布号 |
US6423856(B1) |
申请公布日期 |
2002.07.23 |
申请号 |
US20000644913 |
申请日期 |
2000.08.24 |
申请人 |
CELANESE CHEMICALS EUROPE GMBH |
发明人 |
SPRINGER HELMUT;MERSCHER KLAUS-DIETER;HEUMULLER RUDOLF;SCHIMMER KLAUS;STRUTZ HEINZ |
分类号 |
C07B61/00;C07C67/08;C07C69/28;C07C69/75;C08K5/103;C08L101/00;(IPC1-7):C07C51/00;C07C69/00;C07C67/02;C11C1/00;C11C3/00 |
主分类号 |
C07B61/00 |
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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