CN115803377A - 双-（2-羟乙基）对苯二甲酸酯的制造方法及再生聚对苯二甲酸乙二酯的制造方法 - Google Patents

双-（2-羟乙基）对苯二甲酸酯的制造方法及再生聚对苯二甲酸乙二酯的制造方法 Download PDF

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Publication number
CN115803377A
CN115803377A CN202180044661.2A CN202180044661A CN115803377A CN 115803377 A CN115803377 A CN 115803377A CN 202180044661 A CN202180044661 A CN 202180044661A CN 115803377 A CN115803377 A CN 115803377A
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CN
China
Prior art keywords
terephthalate
hydroxyethyl
bis
bhet
pigment
Prior art date
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Pending
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CN202180044661.2A
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English (en)
Chinese (zh)
Inventor
高尾正树
堺通
山原慧
稻田修司
藤田博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jeplan
Cintec Co ltd
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Jeplan
Cintec Co ltd
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Publication date
Application filed by Jeplan, Cintec Co ltd filed Critical Jeplan
Priority claimed from PCT/JP2021/022690 external-priority patent/WO2022004359A1/ja
Publication of CN115803377A publication Critical patent/CN115803377A/zh
Pending legal-status Critical Current

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    • 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
    • C07C67/03—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
    • 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
    • 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)
  • Crystallography & Structural Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
CN202180044661.2A 2020-06-29 2021-06-15 双-（2-羟乙基）对苯二甲酸酯的制造方法及再生聚对苯二甲酸乙二酯的制造方法 Pending CN115803377A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020111719 2020-06-29
JP2020-111719 2020-06-29
PCT/JP2021/022690 WO2022004359A1 (ja) 2020-06-29 2021-06-15 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再生ポリエチレンテレフタレートの製造方法

Publications (1)

Publication Number Publication Date
CN115803377A true CN115803377A (zh) 2023-03-14

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CN202180044661.2A Pending CN115803377A (zh) 2020-06-29 2021-06-15 双-（2-羟乙基）对苯二甲酸酯的制造方法及再生聚对苯二甲酸乙二酯的制造方法

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Country Link
JP (2) JP6986813B1 (https=)
KR (1) KR102928063B1 (https=)
CN (1) CN115803377A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117510326A (zh) * 2023-11-02 2024-02-06 浙江佳人新材料有限公司 一种废旧纺织品回收解聚液浓缩工艺

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20260042895A1 (en) 2022-08-09 2026-02-12 National Institute Of Advanced Industrial Science And Technology Polyester decomposition method, polyester production method, and polyester decomposition product recovery method
KR20250028916A (ko) * 2023-08-22 2025-03-04 에스케이케미칼 주식회사 황색도가 낮은 재생 bhet 및 폴리에스테르 수지의 제조방법
KR102774289B1 (ko) 2024-04-30 2025-02-27 테라클 주식회사 폴리에스테르 해중합 생성물의 정제방법 및 이로부터 얻어진 정제된 폴리에스테르 해중합 생성물
KR20250176474A (ko) * 2024-06-12 2025-12-19 에스케이케미칼 주식회사 재생 원료 조성물 및 이의 제조방법
CN121758281A (zh) * 2026-03-03 2026-03-31 万凯新材料股份有限公司 一种废旧聚酯醇解液的脱色方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2008088096A (ja) * 2006-09-29 2008-04-17 Nisuko:Kk 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
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
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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4783193A (en) * 1985-06-10 1988-11-08 Laury Pensa Composition and process for stripping color from synthetic polymer products
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.
JP2005330444A (ja) * 2004-05-21 2005-12-02 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
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
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2008088096A (ja) * 2006-09-29 2008-04-17 Nisuko:Kk 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
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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117510326A (zh) * 2023-11-02 2024-02-06 浙江佳人新材料有限公司 一种废旧纺织品回收解聚液浓缩工艺

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KR102928063B1 (ko) 2026-02-13
KR20230027276A (ko) 2023-02-27
JP6986813B1 (ja) 2021-12-22
JP2022022286A (ja) 2022-02-03

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Address after: 9-16, Fujibetai 2-chome, Shueda City, Osaka Prefecture, Japan

Applicant after: CINTEC Co.,Ltd.

Applicant after: JEPLAN

Address before: 20 Fandi, wutiao xiacho, Takakura, Xiajing District, Kyoto City, Japan

Applicant before: CINTEC Co.,Ltd.

Applicant before: JEPLAN

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Application publication date: 20230314

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