Title:
DIVIDING WALL-TYPE DISTILLATION TOWER FOR PREPARING HIGH-PURITY 2-ETHYLHEXYL-ACRYLATE AND PREPARATION METHOD USING SAME
Document Type and Number:
WIPO Patent Application WO/2012/091397
Kind Code:
A3
Abstract:
The present invention relates to a dividing wall-type distillation tower for preparing high-purity 2-ethylhexyl-acrylate, and a method for distilling 2-ethylhexyl-acrylate. The dividing wall-type distillation tower of the present invention provides an effect of having two distillation towers through one distillation tower, thereby having an effect of reduced energy compared to the conventional processing device in preparing high-purity 2-ethylhexyl-acrylate, and an effect of reduced facility cost of the device.
Inventors:
LEE SUNG KYU (KR)
SHIN JOON HO (KR)
LEE JONG KU (KR)
KIM SUNG KYUN (KR)
SHIN JOON HO (KR)
LEE JONG KU (KR)
KIM SUNG KYUN (KR)
Application Number:
PCT/KR2011/010132
Publication Date:
November 08, 2012
Filing Date:
December 27, 2011
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
LEE SUNG KYU (KR)
SHIN JOON HO (KR)
LEE JONG KU (KR)
KIM SUNG KYUN (KR)
LEE SUNG KYU (KR)
SHIN JOON HO (KR)
LEE JONG KU (KR)
KIM SUNG KYUN (KR)
International Classes:
B01D3/14; C07C67/54
Foreign References:
| KR100473661B1 | 2005-03-08 | |||
| KR20100105498A | 2010-09-29 | |||
| KR20100105500A | 2010-09-29 | |||
| JPS59142801A | 1984-08-16 | |||
| US5914012A | 1999-06-22 | |||
| JPH02209842A | 1990-08-21 | |||
| JP2002058902A | 2002-02-26 | |||
| KR20030042465A | 2003-05-28 | |||
| KR20100092396A | 2010-08-20 |
Other References:
See also references of EP 2659943A4
Attorney, Agent or Firm:
DANA PATENT LAW FIRM (BYC Bldg. 648-1,Yeoksam-dong, Gangnam-gu, Seoul 135-080, KR)
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Claims: