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Title:
ジエステル系物質の製造方法
Document Type and Number:
Japanese Patent JP7293564
Kind Code:
B2
Abstract:
The present invention includes (S1) preparing a raw material mixture by mixing a dicarboxylic acid and a C4-10 mono-alcohol, and (S2) obtaining a product mixture including a diester-based material and product water by reacting the raw material mixture in the presence of a catalyst, wherein in Step ( S2 ) , at least among a reactor temperature condition (Condition A), an alcohol input amount condition (Condition B), and an inert gas input amount condition (Condition C) is applied as a specific condition, and the distinction between a beginning stage of a reaction and an ending stage of the reaction in Conditions A to C above is based on a reaction control point, which is a point of time selected from points of time at which a conversion rate of the reaction is between 10% and 80%. According to the present invention, a method for producing a diester-based material with improved reactivity and improved energy expenditure is provided by controlling reaction conditions based on a specific conversion rate.

Inventors:
Moon, John Ju
Kim, Hyun Kyu
Kim, Joe Ho
Cho, Yunki
John, Sokuho
Choi, Wu Hyuk
Application Number:
JP2021565823A
Publication Date:
June 20, 2023
Filing Date:
September 24, 2020
Export Citation:
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Assignee:
LG HAUSYS,LTD.
International Classes:
C07C67/08; C07B61/00; C07C69/80
Domestic Patent References:
JP2016536313A
JP2017509592A
Foreign References:
CN108329206A
CN103664621A
CN104262158A
Attorney, Agent or Firm:
Patent Attorney Corporation RYUKA International Patent Office