Title:
(METH)ACRYLIC ACID ESTER PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2023/249130
Kind Code:
A2
Abstract:
The present invention provides technology for improving the yield of a (meth)acrylic acid ester. This (meth)acrylic acid ester production method includes: reacting (meth)acrylic acid and a secondary alcohol within a reactor and in the presence of an acid-type esterification catalyst and a polymerization inhibitor; and bringing a liquid L including an esterification material of the esterification catalyst obtained during production of the (meth)acrylic acid ester into contact with water in the reactor and/or a reservoir tank at a temperature T between 50°C to 105°C inclusive.
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Inventors:
NAKAMURA TSUKURU (JP)
TAKAGAKI YUJI (JP)
TAKAGAKI YUJI (JP)
Application Number:
PCT/JP2023/039710
Publication Date:
December 28, 2023
Filing Date:
November 02, 2023
Export Citation:
Assignee:
NIPPON CATALYTIC CHEM IND (JP)
International Classes:
C07C67/08; C07C67/58; C07C69/54; C07B61/00
Attorney, Agent or Firm:
IBC (JP)
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