IT1055439B - Estrazione di colorante da tessuto separazione e ricupero di poliestere - Google Patents
Estrazione di colorante da tessuto separazione e ricupero di poliestereInfo
- Publication number
- IT1055439B IT1055439B IT2046376A IT2046376A IT1055439B IT 1055439 B IT1055439 B IT 1055439B IT 2046376 A IT2046376 A IT 2046376A IT 2046376 A IT2046376 A IT 2046376A IT 1055439 B IT1055439 B IT 1055439B
- Authority
- IT
- Italy
- Prior art keywords
- dye
- polyester
- recovery
- extraction
- fabric separation
- Prior art date
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/13—Fugitive dyeing or stripping dyes
- D06P5/137—Fugitive dyeing or stripping dyes with other compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0293—Dissolving the materials in gases or liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
- B29K2067/003—PET, i.e. poylethylene terephthalate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
- B29K2105/0032—Pigments, colouring agents or opacifiyng agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/002—Coloured
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/726—Fabrics
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/578,592 US4003880A (en) | 1975-05-19 | 1975-05-19 | Fabric dye stripping, separation and recovery of polyester |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1055439B true IT1055439B (it) | 1981-12-21 |
Family
ID=24313515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2046376A IT1055439B (it) | 1975-05-19 | 1976-02-23 | Estrazione di colorante da tessuto separazione e ricupero di poliestere |
Country Status (7)
Country | Link |
---|---|
US (2) | US4003880A (it) |
JP (1) | JPS51140972A (it) |
CA (1) | CA1040345A (it) |
DE (1) | DE2607268C3 (it) |
FR (1) | FR2311794A1 (it) |
GB (1) | GB1500856A (it) |
IT (1) | IT1055439B (it) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4003880A (en) * | 1975-05-19 | 1977-01-18 | Monsanto Company | Fabric dye stripping, separation and recovery of polyester |
US4137393A (en) * | 1977-04-07 | 1979-01-30 | Monsanto Company | Polyester polymer recovery from dyed polyester fibers |
US4613664A (en) * | 1984-12-28 | 1986-09-23 | Toyo Boseki Kabushiki Kaisha | Process for production of polyester |
DE4022011C2 (de) * | 1990-02-13 | 1996-12-12 | Bayer Ag | Recycling thermoplastischer Polycarbonate oder Polyestercarbonate |
WO1993001525A1 (en) * | 1991-07-01 | 1993-01-21 | Fiber Industries, Inc. | Recovery of polyester from spent film |
US5236959A (en) * | 1992-03-12 | 1993-08-17 | Hoechst Celanese Corporation | Process for recycling polyester/cotton blends |
TW328542B (en) * | 1995-02-09 | 1998-03-21 | Eastman Chem Co | Process for recycling polyesters |
US5554657A (en) * | 1995-05-08 | 1996-09-10 | Shell Oil Company | Process for recycling mixed polymer containing polyethylene terephthalate |
US6036726A (en) * | 1995-10-27 | 2000-03-14 | Solutia Inc. | Process for separating polyamide from colorant |
JP2846278B2 (ja) * | 1996-02-19 | 1999-01-13 | 和歌山県 | 硬化不飽和ポリエステル樹脂廃棄物の再利用法 |
US6083283A (en) * | 1996-10-24 | 2000-07-04 | Solutia Inc. | Method for removing color from ionically dyeable polymeric materials |
US5919717A (en) * | 1997-02-07 | 1999-07-06 | Wallick; Judith L. | Recycled fiber yarn and method for making same |
US5898063A (en) * | 1997-02-18 | 1999-04-27 | Stefandl; Roland E. | Carpet recycling process for nylon containing carpeting |
US6140463A (en) * | 1997-02-18 | 2000-10-31 | Stefandl; Roland E. | Process for recycling and recovery of purified nylon polymer |
DE19732673A1 (de) * | 1997-07-29 | 1999-02-04 | Fraunhofer Ges Forschung | Verfahren zur Wiedergewinnung von löslichen Polymeren oder Polymerengemischen aus kunststoffhaltigen Materialien |
CA2409837A1 (en) * | 2000-06-08 | 2001-12-13 | Dupont Canada Inc. | Solvent-based recovery and recycle of polyamide material |
US6663677B2 (en) | 2000-10-16 | 2003-12-16 | Rohm And Haas Company | Methods for use in wool whitening and garment washing |
US7297721B2 (en) * | 2003-06-20 | 2007-11-20 | Futura Polyesters Limited | Process for controlled polymerization of a mixed polymer |
DE102004018287B4 (de) * | 2004-04-15 | 2006-04-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zum Recycling von Polyestern oder Polyestergemischen aus polyesterhaltigen Abfällen |
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 |
US20060148914A1 (en) * | 2005-01-04 | 2006-07-06 | Connor Daniel M | Methods and compositions for decolorizing thermoplastics and articles made using such decolorized thermoplastics |
CN103510309B (zh) * | 2012-07-20 | 2016-02-17 | 江苏伊思达纺织有限公司 | 一种经轴纱半浸染抽吸段染装置及方法 |
CN103510314B (zh) * | 2012-07-20 | 2016-06-08 | 江苏伊思达纺织有限公司 | 一种筒子纱半浸染抽吸段染装置及方法 |
FR3007412B1 (fr) * | 2013-06-20 | 2015-07-17 | Centre Nat Rech Scient | Procede de recuperation de fibres organiques a partir d'un materiau composite |
TWI481762B (zh) * | 2013-09-04 | 2015-04-21 | Far Eastern New Century Corp | Decolorization of Polyester Fibers Dyed by Dye |
WO2016012755A1 (en) * | 2014-07-24 | 2016-01-28 | Worn Again Footwear And Accessories Limited | Recycling process |
GB2528495B (en) * | 2014-07-24 | 2021-03-03 | Worn Again Tech Limited | Recycling process |
GB2528494B (en) * | 2014-07-24 | 2018-01-03 | Worn Again Footwear And Accessories Ltd | Process for extracting polyester and dyes from fabric |
AR100196A1 (es) * | 2014-10-21 | 2016-09-21 | Enye Tech S A | Método para elaborar un insumo proveniente del reciclado de material plástico de residuos industriales y post consumo, apto para ser utilizado por las impresoras 3d |
GB201600098D0 (en) * | 2016-01-04 | 2016-02-17 | Nikwax Ltd | Ascorbic acid dye clearing process patent |
CN109468868A (zh) * | 2017-09-08 | 2019-03-15 | 香港纺织及成衣研发中心 | 一种废旧涤棉混纺织物的复合脱色方法 |
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 |
CN110790980A (zh) * | 2019-10-22 | 2020-02-14 | 宁波大发化纤有限公司 | 一种废聚酯纤维制品中混纺材料的分离除杂方法 |
WO2022040119A1 (en) * | 2020-08-17 | 2022-02-24 | Aladdin Manufacturing Corporation | Removal of color from polymeric materials |
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 |
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 |
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 |
WO2022229129A1 (en) * | 2021-04-28 | 2022-11-03 | Textile Change Aps | Recycling of polyester fibres from textiles |
KR102522806B1 (ko) * | 2021-05-03 | 2023-04-18 | 한국화학연구원 | 에스테르 작용기를 포함하는 유색 고분자로부터 색을 발현하는 이물질을 제거하기 위한 추출제 및 그 제거방법 |
WO2024074523A1 (en) * | 2022-10-04 | 2024-04-11 | Basf Se | Separation of elastic fibers in textile materials |
US11946839B1 (en) * | 2023-09-05 | 2024-04-02 | King Faisal University | Method of cleaning of adsorbed molecules in drying state on metal oxide by UV-visible assisted photocatalysis |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2337928A (en) * | 1940-06-24 | 1943-12-28 | Sylvania Ind Corp | Process for reutilizing waste material |
US2938811A (en) * | 1959-11-09 | 1960-05-31 | Martin Proc Company Inc | Method of conditioning polyester textile material and the resulting products |
NL274543A (it) * | 1960-01-12 | |||
US3132194A (en) * | 1962-04-09 | 1964-05-05 | Phillips Petroleum Co | Preparation of microporous filamentous articles |
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 |
US3758457A (en) * | 1972-01-25 | 1973-09-11 | Du Pont | Process for recovering regenerated cellulose |
US4003880A (en) * | 1975-05-19 | 1977-01-18 | Monsanto Company | Fabric dye stripping, separation and recovery of polyester |
-
1975
- 1975-05-19 US US05/578,592 patent/US4003880A/en not_active Expired - Lifetime
-
1976
- 1976-02-23 JP JP1875976A patent/JPS51140972A/ja active Granted
- 1976-02-23 DE DE2607268A patent/DE2607268C3/de not_active Expired
- 1976-02-23 FR FR7604960A patent/FR2311794A1/fr active Granted
- 1976-02-23 GB GB699976A patent/GB1500856A/en not_active Expired
- 1976-02-23 CA CA246,317A patent/CA1040345A/en not_active Expired
- 1976-02-23 IT IT2046376A patent/IT1055439B/it active
- 1976-12-09 US US05/749,149 patent/US4118187A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4003880A (en) | 1977-01-18 |
DE2607268B2 (de) | 1979-03-22 |
JPS5327309B2 (it) | 1978-08-08 |
GB1500856A (en) | 1978-02-15 |
US4118187A (en) | 1978-10-03 |
JPS51140972A (en) | 1976-12-04 |
FR2311794A1 (fr) | 1976-12-17 |
CA1040345A (en) | 1978-10-10 |
DE2607268C3 (de) | 1979-11-08 |
DE2607268A1 (de) | 1976-12-02 |
FR2311794B1 (it) | 1981-03-20 |
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