NL2022268B1 - Method for removal of polyurethane fibres from a fabric or yarn comprising polyurethane fibres and cellulose-based fibres - Google Patents

Method for removal of polyurethane fibres from a fabric or yarn comprising polyurethane fibres and cellulose-based fibres

Info

Publication number
NL2022268B1
NL2022268B1 NL2022268A NL2022268A NL2022268B1 NL 2022268 B1 NL2022268 B1 NL 2022268B1 NL 2022268 A NL2022268 A NL 2022268A NL 2022268 A NL2022268 A NL 2022268A NL 2022268 B1 NL2022268 B1 NL 2022268B1
Authority
NL
Netherlands
Prior art keywords
fibres
polyurethane
yarn
fabric
cellulose
Prior art date
Application number
NL2022268A
Inventor
Evert Gerard Van Dam Jan
Rutger Idsard Knoop Johannes
Johannes Antonius Van Den Oever Martinus
Original Assignee
Stichting Wageningen Res
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 Stichting Wageningen Res filed Critical Stichting Wageningen Res
Priority to NL2022268A priority Critical patent/NL2022268B1/en
Priority to PCT/NL2019/050860 priority patent/WO2020130825A1/en
Application granted granted Critical
Publication of NL2022268B1 publication Critical patent/NL2022268B1/en

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
    • 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
    • C08J11/28—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 compounds containing nitrogen, sulfur or phosphorus
    • 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
    • B29B2017/0203—Separating plastics from plastics
    • 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
    • B29K2001/00—Use of cellulose, modified cellulose or cellulose derivatives, e.g. viscose, 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
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • 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
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • 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

Abstract

Method for removal of polyurethane fibres from a fabric or yarn comprising polyurethane fibres and cellulose-based fibres, the method comprising a step of subjecting the fabric or yarn to a mixture of a solvent and an amine, a solvent and a glycol, an amine and a glycol or a solvent, amine and a glycol, as well as recycled cellulose-based textile or textile fibres obtained by this method.
NL2022268A 2018-12-20 2018-12-20 Method for removal of polyurethane fibres from a fabric or yarn comprising polyurethane fibres and cellulose-based fibres NL2022268B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL2022268A NL2022268B1 (en) 2018-12-20 2018-12-20 Method for removal of polyurethane fibres from a fabric or yarn comprising polyurethane fibres and cellulose-based fibres
PCT/NL2019/050860 WO2020130825A1 (en) 2018-12-20 2019-12-20 Method for removal of polyurethane fibres from a fabric or yarn comprising polyurethane fibres and cellulose-based fibres

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL2022268A NL2022268B1 (en) 2018-12-20 2018-12-20 Method for removal of polyurethane fibres from a fabric or yarn comprising polyurethane fibres and cellulose-based fibres

Publications (1)

Publication Number Publication Date
NL2022268B1 true NL2022268B1 (en) 2020-07-15

Family

ID=65031744

Family Applications (1)

Application Number Title Priority Date Filing Date
NL2022268A NL2022268B1 (en) 2018-12-20 2018-12-20 Method for removal of polyurethane fibres from a fabric or yarn comprising polyurethane fibres and cellulose-based fibres

Country Status (2)

Country Link
NL (1) NL2022268B1 (en)
WO (1) WO2020130825A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022115602A1 (en) * 2020-11-25 2022-06-02 Regenerated Textile Industries Llc Modular textile recycling system and processes
WO2023175565A1 (en) * 2022-03-17 2023-09-21 Toray-Opelontex Co., Ltd. Polyurethane elastic fiber and method for producing such
WO2023175568A1 (en) * 2022-03-18 2023-09-21 Toray-Opelontex Co., Ltd. Polyurethane elastic fiber and method for producing such
US20230392297A1 (en) 2022-06-07 2023-12-07 Sanko Tekstil Isletmeleri San. Ve Tic. A.S. Process and plant for recycling fabrics
EP4345124A1 (en) 2022-09-29 2024-04-03 Universität Innsbruck Method for separating polyurethane from a textile
WO2024074523A1 (en) * 2022-10-04 2024-04-11 Basf Se Separation of elastic fibers in textile materials

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102677213A (en) * 2012-06-13 2012-09-19 浙江华峰氨纶股份有限公司 Convenient method for recycling waste spandex filament to spin
WO2013032408A1 (en) 2011-09-02 2013-03-07 Aquafil S.P.A. Method of polyamide fiber recycling from elastomeric fabrics

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013032408A1 (en) 2011-09-02 2013-03-07 Aquafil S.P.A. Method of polyamide fiber recycling from elastomeric fabrics
CN102677213A (en) * 2012-06-13 2012-09-19 浙江华峰氨纶股份有限公司 Convenient method for recycling waste spandex filament to spin

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
YIN ET AL.: "Removal of spandex from nylon/spandex blended fabrics by selective polymer degradation", TEXTILE RESEARCH JOURNAL, vol. 84, no. 1, 2014, pages 16 - 27

Also Published As

Publication number Publication date
WO2020130825A1 (en) 2020-06-25

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Legal Events

Date Code Title Description
MM Lapsed because of non-payment of the annual fee

Effective date: 20220101