JPWO2022004359A1 - - Google Patents

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Publication number
JPWO2022004359A1
JPWO2022004359A1 JP2021550255A JP2021550255A JPWO2022004359A1 JP WO2022004359 A1 JPWO2022004359 A1 JP WO2022004359A1 JP 2021550255 A JP2021550255 A JP 2021550255A JP 2021550255 A JP2021550255 A JP 2021550255A JP WO2022004359 A1 JPWO2022004359 A1 JP WO2022004359A1
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2021550255A
Other languages
Japanese (ja)
Other versions
JP6986813B1 (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/JP2021/022690 external-priority patent/WO2022004359A1/ja
Priority to JP2021191788A priority Critical patent/JP2022022286A/ja
Application granted granted Critical
Publication of JP6986813B1 publication Critical patent/JP6986813B1/ja
Publication of JPWO2022004359A1 publication Critical patent/JPWO2022004359A1/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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

Landscapes

  • 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)
JP2021550255A 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 Active JP6986813B1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2021191788A JP2022022286A (ja) 2020-06-29 2021-11-26 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

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020111719 2020-06-29
JP2020111719 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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2021191788A Division JP2022022286A (ja) 2020-06-29 2021-11-26 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 (2)

Publication Number Publication Date
JP6986813B1 JP6986813B1 (ja) 2021-12-22
JPWO2022004359A1 true JPWO2022004359A1 (https=) 2022-01-06

Family

ID=79193206

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2021550255A Active JP6986813B1 (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
JP2021191788A Pending JP2022022286A (ja) 2020-06-29 2021-11-26 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

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2021191788A Pending JP2022022286A (ja) 2020-06-29 2021-11-26 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

Country Status (3)

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

Families Citing this family (6)

* 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
CN117510326B (zh) * 2023-11-02 2024-08-23 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
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

Family Cites Families (9)

* 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
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.
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
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
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
WO2020213032A1 (ja) * 2019-04-15 2020-10-22 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
KR102928063B1 (ko) 2026-02-13
CN115803377A (zh) 2023-03-14
KR20230027276A (ko) 2023-02-27
JP6986813B1 (ja) 2021-12-22
JP2022022286A (ja) 2022-02-03

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