GB1500856A

GB1500856A – Recovering thermoplastic polyester polymers
– Google Patents

GB1500856A – Recovering thermoplastic polyester polymers
– Google Patents
Recovering thermoplastic polyester polymers

Info

Publication number
GB1500856A

GB1500856A
GB699976A
GB699976A
GB1500856A
GB 1500856 A
GB1500856 A
GB 1500856A
GB 699976 A
GB699976 A
GB 699976A
GB 699976 A
GB699976 A
GB 699976A
GB 1500856 A
GB1500856 A
GB 1500856A
Authority
GB
United Kingdom
Prior art keywords
thermoplastic polyester
polyester polymers
recovering thermoplastic
recovering
polymers
Prior art date
1975-05-19
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
GB699976A
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.)
1975-05-19
Filing date
1976-02-23
Publication date
1978-02-15

1976-02-23
Application filed by Monsanto Co
filed
Critical
Monsanto Co

1978-02-15
Publication of GB1500856A
publication
Critical
patent/GB1500856A/en

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

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

GB699976A
1975-05-19
1976-02-23
Recovering thermoplastic polyester polymers

Expired

GB1500856A
(en)

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

GB1500856A
true

GB1500856A
(en)

1978-02-15

Family
ID=24313515
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

GB699976A
Expired

GB1500856A
(en)

1975-05-19
1976-02-23
Recovering thermoplastic polyester polymers

Country Status (7)

Country
Link

US
(2)

US4003880A
(en)

JP
(1)

JPS51140972A
(en)

CA
(1)

CA1040345A
(en)

DE
(1)

DE2607268C3
(en)

FR
(1)

FR2311794A1
(en)

GB
(1)

GB1500856A
(en)

IT
(1)

IT1055439B
(en)

Cited By (1)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

EP0742251A1
(en)

*

1995-05-08
1996-11-13
Shell Internationale Researchmaatschappij B.V.
Process for recycling mixed polymer containing polyethylene terephthalate

Families Citing this family (42)

* Cited by examiner, † Cited by third party

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
(en)

*

1990-02-13
1996-12-12
Bayer Ag

Recycling of thermoplastic polycarbonates or polyester carbonates

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

US6036726A
(en)

*

1995-10-27
2000-03-14
Solutia Inc.
Process for separating polyamide from colorant

JP2846278B2
(en)

*

1996-02-19
1999-01-13
和歌山県

Recycling of cured unsaturated polyester resin waste

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
(en)

*

1997-07-29
1999-02-04
Fraunhofer Ges Forschung

Process for the recovery of soluble polymers or polymer mixtures from plastic-containing materials

US20020037939A1
(en)

*

2000-06-08
2002-03-28
Mckinnon Michael Stephen
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
(en)

*

2004-04-15
2006-04-27
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.

Process for recycling polyesters or polyester mixtures from polyester-containing waste

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
(en)

*

2012-07-20
2016-02-17
江苏伊思达纺织有限公司
A kind of beamed yarn half contaminates pumping stages dye device and method

CN103510314B
(en)

*

2012-07-20
2016-06-08
江苏伊思达纺织有限公司
Pumping stages dye device and method contaminated by a kind of cheese half

FR3007412B1
(en)

*

2013-06-20
2015-07-17
Centre Nat Rech Scient

PROCESS FOR RECOVERING ORGANIC FIBERS FROM A COMPOSITE MATERIAL

TWI481762B
(en)

*

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

WO2016012755A1
(en)

*

2014-07-24
2016-01-28
Worn Again Footwear And Accessories Limited
Recycling process

AR100196A1
(en)

*

2014-10-21
2016-09-21
Enye Tech S A

METHOD FOR DEVELOPING AN INPUT FROM THE RECYCLING OF PLASTIC MATERIAL OF INDUSTRIAL WASTE AND POST CONSUMPTION, SUITABLE TO BE USED BY 3D PRINTERS

GB201600098D0
(en)

*

2016-01-04
2016-02-17
Nikwax Ltd
Ascorbic acid dye clearing process patent

CN109468868A
(en)

*

2017-09-08
2019-03-15
香港纺织及成衣研发中心
A kind of composite decoloring method of waste and old polyester cotton

TWI750456B
(en)

*

2019-02-22
2021-12-21
南亞塑膠工業股份有限公司
A kind of decolorization method for dyed polyester

CN110790980A
(en)

*

2019-10-22
2020-02-14
宁波大发化纤有限公司
Separation and impurity removal method for blending material in waste polyester fiber product

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

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

US11814487B2
(en)

2020-12-02
2023-11-14
International Business Machines Corporation
Feedstock purification of polyester waste for recycling processes

TWI752829B
(en)

*

2021-02-24
2022-01-11
南亞塑膠工業股份有限公司
Decolorization method for dyed fiber cloth

WO2022229129A1
(en)

*

2021-04-28
2022-11-03
Textile Change Aps
Recycling of polyester fibres from textiles

KR102522806B1
(en)

*

2021-05-03
2023-04-18
한국화학연구원
Agent for decolorization of colored polymer resins containing ester functional groups and method for decolorization the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party

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

NL124936C
(en)

*

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
FR
FR7604960A
patent/FR2311794A1/en
active
Granted

1976-02-23
GB
GB699976A
patent/GB1500856A/en
not_active
Expired

1976-02-23
IT
IT2046376A
patent/IT1055439B/en
active

1976-02-23
CA
CA246,317A
patent/CA1040345A/en
not_active
Expired

1976-02-23
JP
JP1875976A
patent/JPS51140972A/en
active
Granted

1976-02-23
DE
DE2607268A
patent/DE2607268C3/en
not_active
Expired

1976-12-09
US
US05/749,149
patent/US4118187A/en
not_active
Expired – Lifetime

Cited By (2)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

EP0742251A1
(en)

*

1995-05-08
1996-11-13
Shell Internationale Researchmaatschappij B.V.
Process for recycling mixed polymer containing polyethylene terephthalate

AU704462B2
(en)

*

1995-05-08
1999-04-22
M&G Polimeri Italia Spa
Process for recovering polyester polymers from a mixed polymer recycle system

Also Published As

Publication number
Publication date

US4003880A
(en)

1977-01-18

CA1040345A
(en)

1978-10-10

US4118187A
(en)

1978-10-03

JPS5327309B2
(en)

1978-08-08

IT1055439B
(en)

1981-12-21

DE2607268B2
(en)

1979-03-22

JPS51140972A
(en)

1976-12-04

DE2607268A1
(en)

1976-12-02

FR2311794A1
(en)

1976-12-17

FR2311794B1
(en)

1981-03-20

DE2607268C3
(en)

1979-11-08

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Legal Events

Date
Code
Title
Description

1978-06-28
PS
Patent sealed [section 19, patents act 1949]

1982-09-22
PCNP
Patent ceased through non-payment of renewal fee

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