KR102831944B1 - 고순도 비스-(2-하이드록시에틸)테레프탈레이트의 제조 방법, 재생 폴리에틸렌테레프탈레이트, 탈색 용매 및 비스-(2-하이드록시에틸)테레프탈레이트의 정제 방법 - Google Patents

고순도 비스-(2-하이드록시에틸)테레프탈레이트의 제조 방법, 재생 폴리에틸렌테레프탈레이트, 탈색 용매 및 비스-(2-하이드록시에틸)테레프탈레이트의 정제 방법 Download PDF

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KR102831944B1
KR102831944B1 KR1020237002624A KR20237002624A KR102831944B1 KR 102831944 B1 KR102831944 B1 KR 102831944B1 KR 1020237002624 A KR1020237002624 A KR 1020237002624A KR 20237002624 A KR20237002624 A KR 20237002624A KR 102831944 B1 KR102831944 B1 KR 102831944B1
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South Korea
Prior art keywords
terephthalate
hydroxyethyl
bis
bhet
polyester
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KR1020237002624A
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Korean (ko)
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KR20230026495A (ko
Inventor
마사키 타카오
토루 사카이
히로시 후지타
슈지 이나다
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신테크 코퍼레이션
제플란, 인크.
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Priority claimed from PCT/JP2020/029418 external-priority patent/WO2022003990A1/ja
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/03—Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
    • C07C69/80—Phthalic acid esters
    • C07C69/82—Terephthalic acid esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/16—Dicarboxylic acids and dihydroxy compounds
    • C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
    • C08G63/181—Acids containing aromatic rings
    • C08G63/183—Terephthalic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/06—Recovery or working-up of waste materials of polymers without chemical reactions
    • C08J11/08—Recovery or working-up of waste materials of polymers without chemical reactions using selective solvents for polymer components
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/16—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with inorganic material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
    • C08J11/22—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
KR1020237002624A 2020-06-29 2020-07-31 고순도 비스-(2-하이드록시에틸)테레프탈레이트의 제조 방법, 재생 폴리에틸렌테레프탈레이트, 탈색 용매 및 비스-(2-하이드록시에틸)테레프탈레이트의 정제 방법 Active KR102831944B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2020-111719 2020-06-29
JP2020111719 2020-06-29
PCT/JP2020/029418 WO2022003990A1 (ja) 2020-06-29 2020-07-31 高純度ビス－（２－ヒドロキシエチル）テレフタレートの製造方法、再生ポリエチレンテレフタレート、脱色溶媒およびビス－（２－ヒドロキシエチル）テレフタレートの精製方法

Publications (2)

Publication Number Publication Date
KR20230026495A KR20230026495A (ko) 2023-02-24
KR102831944B1 true KR102831944B1 (ko) 2025-07-08

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KR1020237002624A Active KR102831944B1 (ko) 2020-06-29 2020-07-31 고순도 비스-(2-하이드록시에틸)테레프탈레이트의 제조 방법, 재생 폴리에틸렌테레프탈레이트, 탈색 용매 및 비스-(2-하이드록시에틸)테레프탈레이트의 정제 방법

Country Status (3)

Country Link
JP (2) JP6960709B1 (https=)
KR (1) KR102831944B1 (https=)
CN (1) CN115843291A (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3130804B1 (fr) * 2021-12-17 2025-09-26 Ifp Energies Now Bis(2-hydroxyethyle) terephtalate ayant une teneur en azote faible
EP4628523A1 (en) * 2022-11-29 2025-10-08 Teijin Frontier Co., Ltd. Method for recovering polyester and method for manufacturing recycled polyester
CN119585936A (zh) 2023-02-28 2025-03-07 株式会社Lg新能源 电化学装置用分隔件和包括其的电化学装置
KR20250176475A (ko) * 2024-06-12 2025-12-19 에스케이케미칼 주식회사 재생 원료 조성물 및 이의 제조방법

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006232701A (ja) * 2005-02-23 2006-09-07 Is:Kk ポリエステル繊維屑からエステルモノマーを回収する方法
JP6659919B1 (ja) * 2019-04-15 2020-03-04 株式会社シンテック 脱色ポリエステルの製造方法、脱色ポリエステルおよび脱色剤

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3268575A (en) * 1963-07-05 1966-08-23 Goodyear Tire & Rubber Purification of bis-beta-hydroxyethyl terephthalate
US3652649A (en) * 1967-06-05 1972-03-28 Exxon Research Engineering Co Purification of bis-beta-hydroxyethyl terephthalate
JP3715812B2 (ja) 1998-12-10 2005-11-16 株式会社アイエス ポリエチレンテレフタレート廃棄物のケミカルリサイクル方法
MXPA02003928A (es) 1999-10-22 2002-10-23 Teijin Ltd Metodo para la separacion y recuperacion de tereftalato de dimetilo y etilenglicol a partir de residuo de poliester.
EP1476600A4 (en) * 2002-02-01 2007-03-28 Interface Inc CHEMICAL COMPOUNDS AND METHODS FOR REMOVING TINT
JP2005255963A (ja) * 2004-02-12 2005-09-22 Is:Kk 繊維状ポリエステルからエステルモノマーを回収する方法
JP4908415B2 (ja) * 2005-08-05 2012-04-04 帝人株式会社 染着ポリエステル繊維からの有用成分製造方法
JP4537288B2 (ja) 2005-08-08 2010-09-01 帝人ファイバー株式会社 染着ポリエステル繊維からの有効成分回収方法
JP5189266B2 (ja) 2006-09-29 2013-04-24 株式会社ニスコ ビス−（２−ヒドロキシエチル）テレフタレートの製造方法およびポリエチレンテレフタレートの製造方法
JP5134563B2 (ja) 2009-02-02 2013-01-30 帝人株式会社 ポリアルキレンテレフタレート繊維からの異素材除去方法
CN102241592A (zh) * 2010-05-12 2011-11-16 无棣永昕生物工程有限公司 利用聚酯废弃物生产对苯二甲酸二辛酯的方法
WO2018144575A1 (en) * 2017-01-31 2018-08-09 Geo-Tech Polymers, Llc Decolorization of post-consumer fibers
TWI741223B (zh) * 2017-10-20 2021-10-01 南韓商東友精細化工有限公司 著色分散液、含該著色分散液之著色感光性樹脂組合物、使用該組合物製造之圖案層、含該圖案層之彩色濾光片、及含該彩色濾光片之顯示裝置
CN110590551A (zh) * 2018-06-13 2019-12-20 再生聚酯研究有限公司 双(2-羟基乙基)对苯二甲酸酯的制造方法及聚对苯二甲酸乙二醇酯的制造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006232701A (ja) * 2005-02-23 2006-09-07 Is:Kk ポリエステル繊維屑からエステルモノマーを回収する方法
JP6659919B1 (ja) * 2019-04-15 2020-03-04 株式会社シンテック 脱色ポリエステルの製造方法、脱色ポリエステルおよび脱色剤

Also Published As

Publication number Publication date
JPWO2022003990A1 (https=) 2022-01-06
KR20230026495A (ko) 2023-02-24
JP2022013942A (ja) 2022-01-18
JP7101390B2 (ja) 2022-07-15
JP6960709B1 (ja) 2021-11-05
CN115843291A (zh) 2023-03-24

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