Title:
BATCH PREPARATION METHOD FOR ESTER-BASED MATERIAL
Document Type and Number:
WIPO Patent Application WO/2022/065851
Kind Code:
A1
Abstract:
The present invention provides a preparation method for an ester-based material, the method comprising a step for reacting, in a batch reactor, in the presence of a catalyst, a mono alcohol having 3 to 12 alkyl carbon atoms, and at least one type of polyvalent carboxylic acid selected from the group consisting of terephthalic acid, phthalic acid, isophthalic acid, cyclohexane dicarboxylic acid, cyclohexane tricarboxylic acid, trimellitic acid, and citric acid, wherein the pressure of the batch reactor is 0.3 to 1.0 barg for the former period pressure and 0 to 0.5 barg for the latter period pressure, the former period pressure is greater than the latter period pressure, and the former and the latter period are divided based on any one point in time from the time during which the reaction conversion rate is 30 to 90%. If the method is applied, productivity for the ester-based material can be improved, and the amount of energy consumed during processing can be reduced.
Inventors:
KIM HYUN KYU (KR)
MOON JEONG JU (KR)
KIM EUN SUK (KR)
HEO YUN GON (KR)
MOON JEONG JU (KR)
KIM EUN SUK (KR)
HEO YUN GON (KR)
Application Number:
PCT/KR2021/012894
Publication Date:
March 31, 2022
Filing Date:
September 17, 2021
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
C07C67/08; C07C67/56; C07C67/58
Foreign References:
| KR20030048469A | 2003-06-19 | |||
| JP2012250915A | 2012-12-20 | |||
| KR20000023419A | 2000-04-25 | |||
| KR20000023420A | 2000-04-25 | |||
| EP0383405A1 | 1990-08-22 | |||
| KR20190027622A | 2019-03-15 | |||
| KR20190027623A | 2019-03-15 |
Other References:
MUSTAFIZUR RAHMANCHRISTOPHER S. BRAZEL: "The plasticizer market: an assessment of traditional plasticizers and research trends to meet new challenges", PROGRESS IN POLYMER SCIENCE, vol. 29, 2004, pages 1223 - 1248, XP002711921, DOI: 10.1016/J.PROGPOLYMSCI.2004.10.001
N. R. JANJUA ET AL.: "Systemic Uptake of Diethyl Phthalate, Dibutyl Phthalate, and Butyl Paraben Following Whole-body Topical Application and Reproductive and Thyroid Hormone Levels in Humans", ENVIRONMENTAL SCIENCE AND TECHNOLOGY, vol. 42, 2008, pages 7522 - 7527
N. R. JANJUA ET AL.: "Systemic Uptake of Diethyl Phthalate, Dibutyl Phthalate, and Butyl Paraben Following Whole-body Topical Application and Reproductive and Thyroid Hormone Levels in Humans", ENVIRONMENTAL SCIENCE AND TECHNOLOGY, vol. 42, 2008, pages 7522 - 7527
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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