IT1055437B - Procedimento per il recupero di poliestere polimero da fibre poliestere tinte o non tinte - Google Patents
Procedimento per il recupero di poliestere polimero da fibre poliestere tinte o non tinteInfo
- Publication number
- IT1055437B IT1055437B IT2046176A IT2046176A IT1055437B IT 1055437 B IT1055437 B IT 1055437B IT 2046176 A IT2046176 A IT 2046176A IT 2046176 A IT2046176 A IT 2046176A IT 1055437 B IT1055437 B IT 1055437B
- Authority
- IT
- Italy
- Prior art keywords
- polyester
- undinked
- dyed
- recovery
- procedure
- 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
-
- 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)
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 |
---|---|
IT1055437B true IT1055437B (it) | 1981-12-21 |
Family
ID=24207035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2046176A IT1055437B (it) | 1975-02-24 | 1976-02-23 | Procedimento per il recupero di poliestere polimero da fibre poliestere tinte o non tinte |
Country Status (7)
Country | Link |
---|---|
US (1) | US4003881A (it) |
JP (1) | JPS51115577A (it) |
CA (1) | CA1039895A (it) |
DE (1) | DE2607344C3 (it) |
FR (1) | FR2301555A1 (it) |
GB (1) | GB1500855A (it) |
IT (1) | IT1055437B (it) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1090046A (en) * | 1976-12-09 | 1980-11-18 | Clarence W. Young, Iii | 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 |
IT1094911B (it) * | 1977-04-07 | 1985-08-10 | Monsanto Co | Procedimento per ricuperare poliesteri lineari solidi da cariche polimere |
AU2298392A (en) * | 1991-07-01 | 1993-02-11 | 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 |
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 |
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 |
US20060069170A1 (en) * | 2004-09-27 | 2006-03-30 | Chemical Products Corporation | Decomposition of Polyester |
US7067613B2 (en) * | 2004-06-04 | 2006-06-27 | Chemical Products Corporation | Separation of polyolefins from nylons |
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 |
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 |
US20170218162A1 (en) * | 2014-07-24 | 2017-08-03 | Worn Again Footwear And Accessories Limited | Recycling process |
JP6639508B2 (ja) | 2014-10-03 | 2020-02-05 | ポリスティヴァート インコーポレイテッド | ポリスチレン廃棄物を再生するためのプロセス |
WO2017034873A1 (en) * | 2015-08-21 | 2017-03-02 | North Carolina State University | Oxidative method for decolorizing textile materials |
CN117304566A (zh) | 2017-11-20 | 2023-12-29 | 波利斯太沃特公司 | 用于再循环聚苯乙烯废物的方法 |
JP7345545B2 (ja) | 2018-10-26 | 2023-09-15 | ポリスタイバート インコーポレイテッド | ポリスチレン廃棄物および/またはポリスチレンコポリマー廃棄物を再生するためのプロセス |
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 |
EP4196517A1 (en) * | 2020-08-17 | 2023-06-21 | 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 |
US11814487B2 (en) | 2020-12-02 | 2023-11-14 | International Business Machines Corporation | Feedstock purification of polyester waste for recycling processes |
US11814492B2 (en) | 2020-12-02 | 2023-11-14 | International Business Machines Corporation | Polyester recycling process with pre-reaction purification |
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 |
WO2024117056A1 (ja) * | 2022-11-29 | 2024-06-06 | 帝人フロンティア株式会社 | ポリエステルの回収方法およびリサイクルポリエステルの製造方法 |
Family Cites Families (4)
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 |
NL259992A (it) * | 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 |
-
1975
- 1975-02-24 US US05/552,839 patent/US4003881A/en not_active Expired - Lifetime
-
1976
- 1976-02-23 CA CA246,316A patent/CA1039895A/en not_active Expired
- 1976-02-23 IT IT2046176A patent/IT1055437B/it active
- 1976-02-23 JP JP1875876A patent/JPS51115577A/ja active Granted
- 1976-02-23 DE DE2607344A patent/DE2607344C3/de not_active Expired
- 1976-02-23 GB GB699876A patent/GB1500855A/en not_active Expired
- 1976-02-23 FR FR7604958A patent/FR2301555A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2607344A1 (de) | 1976-09-02 |
DE2607344C3 (de) | 1979-10-04 |
JPS51115577A (en) | 1976-10-12 |
FR2301555B1 (it) | 1980-07-25 |
DE2607344B2 (de) | 1979-02-15 |
CA1039895A (en) | 1978-10-03 |
US4003881A (en) | 1977-01-18 |
GB1500855A (en) | 1978-02-15 |
FR2301555A1 (fr) | 1976-09-17 |
JPS537198B2 (it) | 1978-03-15 |
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