CA1090046A - Fabric dye stripping, separation and recovery of polyester - Google Patents

Fabric dye stripping, separation and recovery of polyester

Info

Publication number
CA1090046A
CA1090046A CA292,661A CA292661A CA1090046A CA 1090046 A CA1090046 A CA 1090046A CA 292661 A CA292661 A CA 292661A CA 1090046 A CA1090046 A CA 1090046A
Authority
CA
Canada
Prior art keywords
solvent
polyester
fibers
dye
stripping
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
CA292,661A
Other languages
English (en)
French (fr)
Inventor
Clarence W. Young, Iii
Paul D. Shoemaker
Norman C. Sidebotham
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
Priority claimed from US05/749,149 external-priority patent/US4118187A/en
Application filed by Monsanto Co filed Critical Monsanto Co
Application granted granted Critical
Publication of CA1090046A publication Critical patent/CA1090046A/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
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F13/00—Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like
    • D01F13/04—Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like of synthetic polymers
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Sustainable Development (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Textile Engineering (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Coloring (AREA)
  • Artificial Filaments (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
CA292,661A 1976-12-09 1977-12-08 Fabric dye stripping, separation and recovery of polyester Expired CA1090046A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/749,149 US4118187A (en) 1975-05-19 1976-12-09 Fabric dye stripping, separation and recovery of polyester
US749,149 1976-12-09

Publications (1)

Publication Number Publication Date
CA1090046A true CA1090046A (en) 1980-11-18

Family

ID=25012481

Family Applications (1)

Application Number Title Priority Date Filing Date
CA292,661A Expired CA1090046A (en) 1976-12-09 1977-12-08 Fabric dye stripping, separation and recovery of polyester

Country Status (5)

Country Link
JP (1) JPS5374128A (Direct)
CA (1) CA1090046A (Direct)
DE (1) DE2754728A1 (Direct)
FR (1) FR2393088A1 (Direct)
GB (1) GB1552880A (Direct)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4137393A (en) * 1977-04-07 1979-01-30 Monsanto Company Polyester polymer recovery from dyed polyester fibers
IT1094911B (it) * 1977-04-07 1985-08-10 Monsanto Co Procedimento per ricuperare poliesteri lineari solidi da cariche polimere
US5554657A (en) * 1995-05-08 1996-09-10 Shell Oil Company Process for recycling mixed polymer containing polyethylene terephthalate
US6083283A (en) * 1996-10-24 2000-07-04 Solutia Inc. Method for removing color from ionically dyeable polymeric materials
CN101880925B (zh) * 2010-06-21 2012-06-20 湖南中泰特种装备有限责任公司 一种冻胶纺丝中混合溶剂的回收方法及其装置
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
GB2528495B (en) * 2014-07-24 2021-03-03 Worn Again Tech Limited Recycling process
EP3172267A1 (en) * 2014-07-24 2017-05-31 Worn Again Footwear And Accessories Limited Recycling process
CN104894696B (zh) * 2015-06-29 2017-01-04 重庆再升科技股份有限公司 一种从无隔板滤纸纸边回收纤维的方法
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3804811A (en) * 1972-04-12 1974-04-16 Horizons Inc Shaped articles from reconstituted polyester
US4003881A (en) * 1975-02-24 1977-01-18 Monsanto Company Polyester polymer recovery from dyed polyester fabrics
FR2308659A1 (fr) * 1975-04-25 1976-11-19 Monsanto Co Procede de recuperation de polyesters lineaires solides et nouveaux produits ainsi obtenus

Also Published As

Publication number Publication date
JPS5374128A (en) 1978-07-01
FR2393088A1 (fr) 1978-12-29
GB1552880A (en) 1979-09-19
FR2393088B1 (Direct) 1981-02-06
DE2754728A1 (de) 1978-06-15

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