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Patent Searching and Data


Title:
METHOD FOR PRODUCING ACRYLIC ESTER
Document Type and Number:
WIPO Patent Application WO/2006/126479
Kind Code:
A1
Abstract:
[PROBLEMS] To provide a method for producing a high boiling acrylic ester having a reduced discoloration without employing distillation in the purification process. [MEANS FOR SOLVING PROBLEMS] A method for producing a high boiling acrylic ester having an APHA of 100 or less, characteristic in that, in the production of a high boiling acrylic ester by the esterification reaction of an acrylic acid and an alcohol, the acrylic acid contains an aldehyde in an amount of 100 ppm by weight or less and the resulting acrylic ester is not distilled in a purification process. The aldehyde is preferably furfural contained in an amount of 45 ppm or less, more preferably, in an amount of 10 ppm or less.

Inventors:
KOYAMA MASANOBU (JP)
Application Number:
PCT/JP2006/310133
Publication Date:
November 30, 2006
Filing Date:
May 22, 2006
Export Citation:
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Assignee:
TOAGOSEI CO LTD (JP)
KOYAMA MASANOBU (JP)
International Classes:
C07C67/08; C07C69/54; C07B61/00
Foreign References:
JP2002509904A2002-04-02
JP2002173465A2002-06-21
JP2004339116A2004-12-02
JPH1067702A1998-03-10
JPH07330672A1995-12-19
JPH01299254A1989-12-04
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