JP4537288B2 - 染着ポリエステル繊維からの有効成分回収方法 - Google Patents

染着ポリエステル繊維からの有効成分回収方法 Download PDF

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Publication number
JP4537288B2
JP4537288B2 JP2005229291A JP2005229291A JP4537288B2 JP 4537288 B2 JP4537288 B2 JP 4537288B2 JP 2005229291 A JP2005229291 A JP 2005229291A JP 2005229291 A JP2005229291 A JP 2005229291A JP 4537288 B2 JP4537288 B2 JP 4537288B2
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Prior art keywords
alkylene glycol
dye
depolymerization
xylene
dimethyl terephthalate
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JP2005229291A
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Japanese (ja)
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JP2007045874A5 (enExample
JP2007045874A (ja
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浩二 向井
実 中島
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Teijin Frontier Co Ltd
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Teijin Fibers Ltd
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    • 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
    • C08J11/24—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 containing hydroxyl groups
    • 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)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Sustainable Development (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Extraction Or Liquid Replacement (AREA)
JP2005229291A 2005-08-08 2005-08-08 染着ポリエステル繊維からの有効成分回収方法 Expired - Fee Related JP4537288B2 (ja)

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JP2005229291A JP4537288B2 (ja) 2005-08-08 2005-08-08 染着ポリエステル繊維からの有効成分回収方法

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JP2007045874A JP2007045874A (ja) 2007-02-22
JP2007045874A5 JP2007045874A5 (enExample) 2008-04-24
JP4537288B2 true JP4537288B2 (ja) 2010-09-01

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2021261939A1 (ko) 2020-06-26 2021-12-30 한국화학연구원 에스테르 작용기를 포함하는 고분자의 효율적인 해중합 방법 및 이의 정제 방법
KR20220104886A (ko) 2021-01-19 2022-07-26 한국화학연구원 에스테르 작용기를 포함하는 고분자 수지의 단량체로부터 색을 발현하는 이물질을 제거하기 위한 추출제 및 이를 이용한 단량체의 정제방법
KR20230026495A (ko) 2020-06-29 2023-02-24 신테크 코퍼레이션 고순도 비스-(2-하이드록시에틸)테레프탈레이트의 제조 방법, 재생 폴리에틸렌테레프탈레이트, 탈색 용매 및 비스-(2-하이드록시에틸)테레프탈레이트의 정제 방법
KR20230027276A (ko) 2020-06-29 2023-02-27 신테크 코퍼레이션 비스-(2-하이드록시에틸)테레프탈레이트의 제조 방법 및 재생 폴리에틸렌테레프탈레이트의 제조 방법
WO2024034609A1 (ja) 2022-08-09 2024-02-15 国立研究開発法人産業技術総合研究所 ポリエステル分解方法、ポリエステル製造方法およびポリエステル分解物回収方法

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* Cited by examiner, † Cited by third party
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JP2008207662A (ja) 2007-02-26 2008-09-11 Hitachi Ltd ブレーキ制御装置及びブレーキ制御方法
JP2008233486A (ja) * 2007-03-20 2008-10-02 Stanley Electric Co Ltd 液晶表示素子の製造方法
EP2132259B1 (en) * 2007-04-11 2012-05-02 Basf Se Method for removing color from polymeric material
JP5242999B2 (ja) * 2007-11-16 2013-07-24 帝人株式会社 アルキレングリコールの精製方法
JP2010090184A (ja) * 2008-10-03 2010-04-22 Teijin Fibers Ltd 染着ポリアルキレンテレフタレート繊維からの染料除去方法
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
EP2784110B1 (en) * 2013-03-26 2017-03-29 Oxxynova GmbH Method and apparatus for colour removal from shredded pet-flakes
PL411850A1 (pl) * 2015-04-01 2016-10-10 Rs Pet Spółka Z Ograniczoną Odpowiedzialnością Sposób odbarwiania odpadów politereftalanu etylenu PET
NL2026273B1 (en) * 2020-08-14 2022-04-13 Ioniqa Tech B V Depolymerization method of a waste polymer material and system therefore
US20240360292A1 (en) * 2021-05-03 2024-10-31 Korea Research Institute Of Chemical Technology Extractant and extraction method for removing color-expressing foreign substances from colored polymer containing ester functional group, and method for chemically selecting polymer containing ester functional group from colored polymer mixture
KR102622494B1 (ko) * 2022-04-22 2024-01-09 한국화학연구원 고분자 혼합물로부터 에스테르계 고분자의 화학적 선별 방법
JPWO2023176649A1 (enExample) * 2022-03-15 2023-09-21
WO2024260990A1 (en) * 2023-06-19 2024-12-26 Basf Se Process for recycling of a colored polymeric material including discoloration and chemical processing
CN116926824A (zh) * 2023-08-22 2023-10-24 浙江绿宇纺织科技有限公司 一种过滤装置上的低聚物回收方法及系统
WO2025173524A1 (ja) * 2024-02-14 2025-08-21 国立研究開発法人産業技術総合研究所 ポリエステルの分離方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HK1040698A1 (zh) * 1999-09-09 2002-06-21 株式会社爱伊斯 从含氧化钛或氧化铁的聚酯加乙二醇分解产物除去氧化钛或氧化铁的方法
JP4065659B2 (ja) * 2000-11-30 2008-03-26 帝人ファイバー株式会社 ポリエチレンテレフタレート廃棄物からの有効成分回収方法
JP4065658B2 (ja) * 2000-11-29 2008-03-26 帝人ファイバー株式会社 ポリエチレンテレフタレート繊維廃棄物からの有効成分回収方法
JP4212799B2 (ja) * 2001-10-16 2009-01-21 帝人ファイバー株式会社 ポリエステル繊維廃棄物からのテレフタル酸回収方法
JP2004217871A (ja) * 2003-01-17 2004-08-05 Teijin Fibers Ltd 染着ポリエステル繊維からの有用成分回収方法
JP2004300115A (ja) * 2003-04-01 2004-10-28 Teijin Fibers Ltd ポリエステル廃棄物からの有効成分回収方法

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2021261939A1 (ko) 2020-06-26 2021-12-30 한국화학연구원 에스테르 작용기를 포함하는 고분자의 효율적인 해중합 방법 및 이의 정제 방법
EP4659830A2 (en) 2020-06-26 2025-12-10 Korea Research Institute of Chemical Technology Efficient depolymerization method of polymer comprising ester functional group, and purification method thereof
KR20230026495A (ko) 2020-06-29 2023-02-24 신테크 코퍼레이션 고순도 비스-(2-하이드록시에틸)테레프탈레이트의 제조 방법, 재생 폴리에틸렌테레프탈레이트, 탈색 용매 및 비스-(2-하이드록시에틸)테레프탈레이트의 정제 방법
KR20230027276A (ko) 2020-06-29 2023-02-27 신테크 코퍼레이션 비스-(2-하이드록시에틸)테레프탈레이트의 제조 방법 및 재생 폴리에틸렌테레프탈레이트의 제조 방법
KR20220104886A (ko) 2021-01-19 2022-07-26 한국화학연구원 에스테르 작용기를 포함하는 고분자 수지의 단량체로부터 색을 발현하는 이물질을 제거하기 위한 추출제 및 이를 이용한 단량체의 정제방법
WO2024034609A1 (ja) 2022-08-09 2024-02-15 国立研究開発法人産業技術総合研究所 ポリエステル分解方法、ポリエステル製造方法およびポリエステル分解物回収方法

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