发明名称 |
METHOD FOR PURIFYING THE AZEOTROPIC FRACTION GENERATED DURING THE SYNTHESIS OF N,N-DIMETHYLAMINOETHYL ACRYLATE |
摘要 |
<p>The invention relates to a method for producing N,N-dimethylaminoethyl acrylate by the transesterification reaction of an alykl acrylate by N1N-dimethylaminoethanol, and more particularly relates to a method for purifying the azeotropic fraction generated during said reaction, thereby enabling the recycling thereof on the alkyl acrylate production unit. The aim of the method of the invention is in particular to remove the acetaldehyde and the dialkoxyethane contained in the azeotropic fraction, either by the direct distillation of the azeotropic fraction or by the distillation of the aqueous phase resulting from the water scrubbing of the azeotropic fraction.</p> |
申请公布号 |
EP2382182(B1) |
申请公布日期 |
2012.11.14 |
申请号 |
EP20100707592 |
申请日期 |
2010.01.27 |
申请人 |
ARKEMA FRANCE |
发明人 |
PAUL, JEAN-MICHEL;GRAIRE, CORALIE;RIEHL, AUDREY |
分类号 |
C07C213/06;C07C213/10 |
主分类号 |
C07C213/06 |
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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