CA1039895A - Polyester polymer recovery from dyed polyester fabrics - Google Patents

Polyester polymer recovery from dyed polyester fabrics

Info

Publication number
CA1039895A
CA1039895A CA246,316A CA246316A CA1039895A CA 1039895 A CA1039895 A CA 1039895A CA 246316 A CA246316 A CA 246316A CA 1039895 A CA1039895 A CA 1039895A
Authority
CA
Canada
Prior art keywords
solvent
dye
polyester
fibers
naphthalene
Prior art date
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.)
Expired
Application number
CA246,316A
Other languages
English (en)
French (fr)
Inventor
Norman C. Sidebotham
Clarence W. Young
Paul D. Shoemaker
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.)
Monsanto Co
Original Assignee
Monsanto Co
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 by Monsanto Co filed Critical Monsanto Co
Application granted granted Critical
Publication of CA1039895A publication Critical patent/CA1039895A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/911—Recycling consumer used articles or products
    • Y10S264/913—From fiber or filament, or fiber or filament containing article or product, e.g. textile, cloth fabric, carpet, fiberboard

Landscapes

  • 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)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Artificial Filaments (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Coloring (AREA)
CA246,316A 1975-02-24 1976-02-23 Polyester polymer recovery from dyed polyester fabrics Expired CA1039895A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/552,839 US4003881A (en) 1975-02-24 1975-02-24 Polyester polymer recovery from dyed polyester fabrics

Publications (1)

Publication Number Publication Date
CA1039895A true CA1039895A (en) 1978-10-03

Family

ID=24207035

Family Applications (1)

Application Number Title Priority Date Filing Date
CA246,316A Expired CA1039895A (en) 1975-02-24 1976-02-23 Polyester polymer recovery from dyed polyester fabrics

Country Status (7)

Country Link
US (1) US4003881A (enExample)
JP (1) JPS51115577A (enExample)
CA (1) CA1039895A (enExample)
DE (1) DE2607344C3 (enExample)
FR (1) FR2301555A1 (enExample)
GB (1) GB1500855A (enExample)
IT (1) IT1055437B (enExample)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5374128A (en) * 1976-12-09 1978-07-01 Monsanto Co Method of separating and recovering polyester polymer
US4137393A (en) * 1977-04-07 1979-01-30 Monsanto Company Polyester polymer recovery from dyed polyester fibers
GB1567747A (en) * 1977-04-07 1980-05-21 Monsanto Co Polyester polymer recovery
WO1993001525A1 (en) * 1991-07-01 1993-01-21 Fiber Industries, Inc. Recovery of polyester from spent film
JP3381240B2 (ja) * 1992-08-10 2003-02-24 旭化成株式会社 発泡粒子を回収する方法
TW328542B (en) * 1995-02-09 1998-03-21 Eastman Chem Co Process for recycling polyesters
JP2774953B2 (ja) * 1995-08-02 1998-07-09 住江織物株式会社 カーペット用ポリエステル長繊維の製造方法
US6140463A (en) * 1997-02-18 2000-10-31 Stefandl; Roland E. Process for recycling and recovery of purified nylon polymer
US5898063A (en) * 1997-02-18 1999-04-27 Stefandl; Roland E. Carpet recycling process for nylon containing carpeting
US5989296A (en) * 1998-02-02 1999-11-23 American Renewable Resources Llc Solvent process for recovering indigo dye from textile scrap
JP2003535942A (ja) * 2000-06-08 2003-12-02 デュポン カナダ インコーポレイテッド ポリアミド原料の溶剤ベースの回収および再利用
US7067613B2 (en) * 2004-06-04 2006-06-27 Chemical Products Corporation Separation of polyolefins from nylons
US20060069170A1 (en) * 2004-09-27 2006-03-30 Chemical Products Corporation Decomposition of Polyester
US20060070188A1 (en) * 2004-09-27 2006-04-06 Chemical Products Corporation Colorant Removal from Polymeric Fibers
AR082900A1 (es) 2010-09-10 2013-01-16 Green Source Energy Llc Composiciones y metodos para reciclar plasticos que comprenden polimeros mediante el tratamiento de solvente
TWI481762B (zh) * 2013-09-04 2015-04-21 Far Eastern New Century Corp Decolorization of Polyester Fibers Dyed by Dye
GB2528494B (en) * 2014-07-24 2018-01-03 Worn Again Footwear And Accessories Ltd Process for extracting polyester and dyes from fabric
EP3172267A1 (en) * 2014-07-24 2017-05-31 Worn Again Footwear And Accessories Limited Recycling process
GB2528495B (en) * 2014-07-24 2021-03-03 Worn Again Tech Limited Recycling process
EP3575353A1 (en) 2014-10-03 2019-12-04 Polystyvert Inc. Recycled polystyrene obtained from processes for recycling polystyrene waste
WO2017034873A1 (en) * 2015-08-21 2017-03-02 North Carolina State University Oxidative method for decolorizing textile materials
DE202018006571U1 (de) 2017-11-20 2021-03-09 Polystyvert Inc. Vorgänge zum Recycling von Polystyrolabfällen
ES2994474T3 (en) 2018-10-26 2025-01-24 Polystyvert Inc Processes for recycling polystyrene waste and/or polystyrene copolymer waste
TWI750456B (zh) * 2019-02-22 2021-12-21 南亞塑膠工業股份有限公司 一種經染色的聚酯纖維脫色方法
JP7196901B2 (ja) * 2020-12-16 2022-12-27 三菱ケミカル株式会社 ポリエステルフィルムの回収方法、回収装置及び機能層除去剤
JP7196900B2 (ja) * 2020-12-16 2022-12-27 三菱ケミカル株式会社 ポリエステルフィルムの回収方法、回収装置及び機能層除去剤
WO2022040119A1 (en) * 2020-08-17 2022-02-24 Aladdin Manufacturing Corporation Removal of color from polymeric materials
US11787917B2 (en) 2020-12-02 2023-10-17 International Business Machines Corporation Recycling process for the recovery of cotton from polyester-cotton fabrics and/or fibers
US11807725B2 (en) 2020-12-02 2023-11-07 International Business Machines Corporation Feedstock engineering of polyester waste for recycling processes
US11795292B2 (en) 2020-12-02 2023-10-24 International Business Machines Corporation Media recycling and sanitization
US11814492B2 (en) 2020-12-02 2023-11-14 International Business Machines Corporation Polyester recycling process with pre-reaction purification
US11814487B2 (en) 2020-12-02 2023-11-14 International Business Machines Corporation Feedstock purification of polyester waste for recycling processes
JP7196990B2 (ja) * 2020-12-16 2022-12-27 三菱ケミカル株式会社 ポリエステルフィルムの回収方法、回収装置及び機能層除去剤
WO2022172150A1 (en) 2021-02-09 2022-08-18 Wu Chia Wen Method for processing polyalkylene benzenedicarboxylate material
TWI752829B (zh) * 2021-02-24 2022-01-11 南亞塑膠工業股份有限公司 纖維布的脫色方法
EP4430111A4 (en) 2021-11-11 2025-05-07 Polystyvert Inc. METHODS FOR RECYCLING POLYSTYRENE MATERIAL COMPRISING BROMINATED CONTAMINANTS
DK181521B1 (en) * 2022-06-23 2024-04-02 Textile Change Aps Apparatus and process for treatment of textiles and use thereof
EP4628523A1 (en) * 2022-11-29 2025-10-08 Teijin Frontier Co., Ltd. Method for recovering polyester and method for manufacturing recycled polyester
TWI843358B (zh) 2022-12-27 2024-05-21 財團法人工業技術研究院 聚酯織物的脫色方法及聚酯織物
WO2024204774A1 (ja) * 2023-03-29 2024-10-03 三菱ケミカル株式会社 リサイクルポリエステルの製造方法およびポリエステル複合材料の製造方法
TW202532549A (zh) * 2023-09-29 2025-08-16 德商巴地斯顏料化工廠 自聚合物摻合物回收之聚酯製備聚酯纖維的方法
EP4570850A1 (en) * 2023-12-12 2025-06-18 Sanko Tekstil Isletmeleri San. Ve Tic. A.S. Process and plant for removing dyes from waste textiles

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2938811A (en) * 1959-11-09 1960-05-31 Martin Proc Company Inc Method of conditioning polyester textile material and the resulting products
NL124936C (enExample) * 1960-01-12
US3716614A (en) * 1969-05-12 1973-02-13 Toray Industries Process of manufacturing collagen fiber-like synthetic superfine filament bundles
US3943105A (en) * 1969-11-21 1976-03-09 Martin Processing Company, Incorporated Process for treating dyed and undyed polyester materials with an agent to overcome or inhibit the destructive effects of ultraviolet light

Also Published As

Publication number Publication date
US4003881A (en) 1977-01-18
JPS51115577A (en) 1976-10-12
DE2607344A1 (de) 1976-09-02
IT1055437B (it) 1981-12-21
FR2301555B1 (enExample) 1980-07-25
JPS537198B2 (enExample) 1978-03-15
GB1500855A (en) 1978-02-15
FR2301555A1 (fr) 1976-09-17
DE2607344C3 (de) 1979-10-04
DE2607344B2 (de) 1979-02-15

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