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MX2025002874A - Proceso para reciclar tereftalato de polietileno utilizando diferentes niveles de monoetilenglicol. - Google Patents

Proceso para reciclar tereftalato de polietileno utilizando diferentes niveles de monoetilenglicol.

Info

Publication number
MX2025002874A
MX2025002874A MX2025002874A MX2025002874A MX2025002874A MX 2025002874 A MX2025002874 A MX 2025002874A MX 2025002874 A MX2025002874 A MX 2025002874A MX 2025002874 A MX2025002874 A MX 2025002874A MX 2025002874 A MX2025002874 A MX 2025002874A
Authority
MX
Mexico
Prior art keywords
organic compound
volume section
polyester
ethylene glycol
polyethylene terephthalate
Prior art date
Application number
MX2025002874A
Other languages
English (en)
Inventor
Suresh L Makhija
Dhanvant Yeola
Christian Neumann
Original Assignee
Revalyu Resources Gmbh
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 Revalyu Resources Gmbh filed Critical Revalyu Resources Gmbh
Publication of MX2025002874A publication Critical patent/MX2025002874A/es

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
    • C08J11/10—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
    • 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
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
    • C07C69/80—Phthalic acid esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/88—Post-polymerisation treatment
    • C08G63/89—Recovery of the polymer
    • 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
    • C08J11/02—Recovery or working-up of waste materials of solvents, plasticisers or unreacted monomers
    • 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
    • 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
    • B29B2017/0217—Mechanical separating techniques; devices therefor
    • B29B2017/0237—Mechanical separating techniques; devices therefor using density difference
    • B29B2017/0244—Mechanical separating techniques; devices therefor using density difference in liquids
    • 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
    • B29B2017/0286—Cleaning means used for separation
    • B29B2017/0289—Washing the materials in liquids
    • 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
    • C08J11/22—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 oxygen-containing compounds
    • C08J11/24—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 oxygen-containing compounds containing hydroxyl groups
    • 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
    • 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
    • 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
    • C08J2367/06—Unsaturated polyesters
    • 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
    • C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • 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
    • C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2467/02—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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock
    • Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
    • 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)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Processing Of Solid Wastes (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Un método para producir un primer producto intermedio, que comprende las etapas de a. proporcionar una materia prima que comprende un primer poliéster; b. poner en contacto la materia prima con una primera cantidad de un primer compuesto orgánico en una sección de volumen V 1 para obtener una primera mezcla inicial, en donde la primera cantidad está en forma de líquido; c. transportar el primer poliéster, y preferentemente al menos una fracción de la primera cantidad del primer compuesto orgánico, desde la sección de volumen V1 a la sección de volumen V2 , en donde la sección de volumen V2 está al menos parcialmente llena con el primer compuesto orgánico, y en donde i. un nivel del primer compuesto orgánico en la sección de volumen V1 está a una altura H1 del suelo, y ii. un nivel del primer compuesto orgánico en la sección de volumen V2 está a una altura H2 del suelo; d. poner en contacto el primer poliéster con un compuesto orgánico adicional, preferentemente en una sección de volumen V 3 , para obtener una mezcla inicial adicional; e. reducir una masa molar promedio en peso del primer poliéster, preferentemente en la sección de volumen V3 , para obtener una primera mezcla intermedia , en donde la primera mezcla intermedia comprende i. un primer producto intermedio, ii. el compuesto orgánico adicional; en donde H1 < H2.
MX2025002874A 2022-09-20 2025-03-11 Proceso para reciclar tereftalato de polietileno utilizando diferentes niveles de monoetilenglicol. MX2025002874A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP22196682.3A EP4342945B1 (en) 2022-09-20 2022-09-20 Process for recycling polyethylene terephthalate using different mono-ethylene glycol levels
PCT/EP2023/075818 WO2024061916A1 (en) 2022-09-20 2023-09-19 Process for recycling polyethylene terephthalate using different mono-ethylene glycol levels

Publications (1)

Publication Number Publication Date
MX2025002874A true MX2025002874A (es) 2025-06-02

Family

ID=83398385

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2025002874A MX2025002874A (es) 2022-09-20 2025-03-11 Proceso para reciclar tereftalato de polietileno utilizando diferentes niveles de monoetilenglicol.

Country Status (9)

Country Link
US (1) US12441863B2 (es)
EP (2) EP4342945B1 (es)
JP (1) JP2025529337A (es)
KR (1) KR20250070096A (es)
CN (1) CN119998374A (es)
AU (1) AU2023346833A1 (es)
ES (1) ES2987877T3 (es)
MX (1) MX2025002874A (es)
WO (1) WO2024061916A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4342943B1 (en) 2022-09-20 2024-07-17 revalyu Resources GmbH Process for recycling polyethylene terephthalate using a selected feedstock
ES2987871T3 (es) 2022-09-20 2024-11-18 Revalyu Resources Gmbh Proceso para reciclar tereftalato de polietileno determinado por la viscosidad intrínseca del tereftalato de polietileno
ES2987868T3 (es) 2022-09-20 2024-11-18 Revalyu Resources Gmbh Proceso para reciclar tereftalato de polietileno utilizando material filtrante de partículas porosas
ES2987879T3 (es) 2022-09-20 2024-11-18 Revalyu Resources Gmbh Proceso para reciclar tereftalato de polietileno utilizando un reactor de lavado
EP4342938B1 (en) 2022-09-20 2024-07-17 revalyu Resources GmbH Process for recycling polyethylene terephthalate using specific colour coordinates for oligomer processing

Family Cites Families (120)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3884850A (en) 1970-02-13 1975-05-20 Fiber Industries Inc Continuous atmospheric depolymerization of polyester
US3907868A (en) 1974-02-15 1975-09-23 Du Pont Polyester waste recovery
JPS60248646A (ja) 1984-05-25 1985-12-09 Toray Ind Inc ポリエステル屑の解重合方法
US5223544A (en) 1992-03-31 1993-06-29 Shell Oil Company Process for the removal of foreign materials from a post-consumer plyethylene terephthalate feed stream
BR9306379A (pt) 1992-05-18 1998-09-01 Simon Michael West Processos para remover contaminantes de components de tereftalato de polietileno (pet) para reciclar tereftalato de polietileno (pet) de fontes de pet usado e para reciclar tefeftalato de polietileno contendo dióis que não o etanodiol
EP0723532B1 (en) 1993-10-14 1998-07-29 Shell Internationale Researchmaatschappij B.V. Process for recovering dicarboxylic acid with reduced impurities from polyester polymer
US5710315A (en) 1994-05-27 1998-01-20 E. I. Du Pont De Nemours And Company Monomer recovery process for contaminated polymers
FI97726C (fi) 1994-07-07 1997-02-10 Alko Yhtioet Oy Sulatyöstettävä polyesteriuretaani ja menetelmä sen valmistamiseksi
DE19531886A1 (de) 1995-08-30 1997-03-06 Basf Magnetics Gmbh Kontinuierlich ablaufendes Verfahren zur Wiedergewinnung von Rohmaterialien aus beschichteten Folien
DE19534276A1 (de) 1995-09-15 1997-03-20 Degussa Verfahren zur Aufarbeitung von Polyalkylenterephthalaten
US6369192B1 (en) 1995-10-27 2002-04-09 Praxair Technology, Inc. Methods for removing contaminants from polymers
US6103774A (en) 1997-04-02 2000-08-15 The Coca-Cola Company Process for removing contaminants from polyesters and controlling polymer molecular weight
US6136869A (en) 1997-10-17 2000-10-24 Eastman Chemical Company Depolymerization process for recycling polyesters
TR200201101T2 (tr) 1999-10-22 2004-11-22 Teijin Limited Polyester atıktan dimetil terefitalat, etilen glikolün ayrıştırılması için yöntem
CZ288622B6 (cs) 2000-03-17 2001-08-15 Milan Ing. Šírek Způsob chemické recyklace odpadního polyethylentereftalátu
JP4008214B2 (ja) 2001-08-03 2007-11-14 三菱重工業株式会社 ポリエステルのモノマー化反応容器
DE10140370A1 (de) 2001-08-23 2003-03-06 Buehler Ag Verfahren zur Verarbeitung eines Polykondensats in einem Mehrwellen-Extruder
US7462649B2 (en) 2001-10-16 2008-12-09 Teijin Limited Method for recycling pet bottle
US20030134915A1 (en) 2001-12-17 2003-07-17 Scantlebury Geoffrey Raymond Production of transparent polyester using waste
JP2003191241A (ja) 2001-12-28 2003-07-08 Is:Kk 使用済みポリエチレンテレフタレート製ボトルの粉砕物の洗浄方法
JP2003300933A (ja) 2002-02-06 2003-10-21 Is:Kk ポリエチレンテレフタレート解重合溶液からの微粒子の除去方法
CN100482439C (zh) 2002-04-12 2009-04-29 Mba聚合物公司 塑料的多步分离
EP1367080A1 (en) 2002-05-29 2003-12-03 Hycail B.V. Hyperbranched poly(hydroxycarboxylic acid) polymers
JP2004083899A (ja) 2002-08-06 2004-03-18 Is:Kk ポリエチレンテレフタレート解重合溶液からの微粒子の除去方法及びこれに用いた濾材の再生方法
US7297721B2 (en) 2003-06-20 2007-11-20 Futura Polyesters Limited Process for controlled polymerization of a mixed polymer
DE10348144A1 (de) 2003-10-13 2005-05-19 Krones Ag PET-Flaschen-Recycling
JP2005350509A (ja) 2004-06-08 2005-12-22 Daicel Polymer Ltd Ｐｅｔ再生樹脂組成物、ｐｅｔ再生樹脂用改質材及びこれを用いたｐｅｔ再生樹脂成形品
BRPI0402330B1 (pt) 2004-06-14 2020-11-03 Fundação De Amparo À Pesquisa Do Estado de São Paulo processo de descontaminação de poliéster reciclado e uso do mesmo
WO2006044154A1 (en) 2004-10-18 2006-04-27 Phoenix Technologies International, Llc Method for treating recycled polyethylene terephthalate for rapid decontamination and solid-stating
JP2006143622A (ja) 2004-11-17 2006-06-08 Is:Kk グリコール溶液の精製方法
DE102004059808A1 (de) 2004-12-10 2006-06-14 Krones Ag Dekontamination von Flakes
CN101084256B (zh) 2004-12-21 2010-11-17 旭化成化学株式会社 缩聚聚合物的回收品的再利用方法
JP4937521B2 (ja) 2005-03-31 2012-05-23 三井化学株式会社 ポリエステルより高純度モノマーを回収する方法及び高純度モノマー、ポリエステル
US7897651B2 (en) 2005-12-09 2011-03-01 Kazutoshi Ikenaga Method for depolymerizing polyester and unsaturated polyester, and method for recovering polyester monomer using the depolymerization
GB0615765D0 (en) 2006-08-09 2006-09-20 Waste And Resources Action Pro Recycling process for polyethylene terephthalate (PET)
ITVR20060034U1 (it) 2006-11-15 2008-05-16 Marco Bologna Sistema di controllo e comando per l'attivazione di apparati in genere e trasporto di dati
ITTO20070084A1 (it) 2007-02-06 2008-08-07 K & E Srl Dispositivi di miscelazione radiale per reattori inclinati rotanti.
KR100837781B1 (ko) 2007-04-17 2008-06-13 충남대학교산학협력단 폴리에스터 폐기물의 재생방법 및 이에 사용되는 장치
JP2009120766A (ja) * 2007-11-16 2009-06-04 Teijin Fibers Ltd テレフタル酸ジメチル及びエチレングリコールの回収方法
US8735457B2 (en) 2008-09-30 2014-05-27 Columbia Insurance Company Recycled polyethylene terephthalate compositions, fibers and articles produced therefrom, and methods for producing same
US8299135B2 (en) 2009-07-02 2012-10-30 Bepex International, Llc Vapor phase assisted post-consumer polymer processing apparatus and method
KR101099009B1 (ko) 2009-10-09 2011-12-28 충남대학교산학협력단 폴리에스터 폐기물의 재생방법 및 그 재생장치
KR101142328B1 (ko) 2010-01-05 2012-05-17 주식회사 휴비스 폴리에스테르의 화학적 재생 방법
US8877107B2 (en) 2010-09-28 2014-11-04 Uhde Inventa-Fischer Gmbh Method for increasing the molecular weight of a polyester granulate by using its residual heat
DK2621619T3 (en) 2010-09-30 2015-04-13 Equipolymers Gmbh A process for mixing
KR101302359B1 (ko) 2011-04-07 2013-09-06 주식회사 휴비스 화학재생 공정을 이용한 생분해성 공중합 폴리에스테르수지 및 그 제조방법
KR101306580B1 (ko) 2011-05-30 2013-09-11 웅진케미칼 주식회사 폐 저융점 폴리에스테르를 이용한 재생 저융점 폴리에스테르의 제조방법
CN103146151B (zh) 2011-12-06 2015-04-08 上海聚友化工有限公司 一种废聚酯瓶回收再利用的方法
CN103360260B (zh) 2012-04-10 2015-04-01 李晓峰 一种对苯二甲酸乙二酯的制备工艺和聚酯的制备方法
MX368905B (es) 2012-04-20 2019-10-21 Perpetual Global Tech Limited Hojuelas de mezclas de ester y metodos para su produccion.
DE102012220498A1 (de) 2012-11-09 2014-05-15 Aquafil Engineering Gmbh Verfahren und Vorrichtung zur Behandlung von Polymeren
US9353237B2 (en) 2013-01-11 2016-05-31 Plastipak Packaging, Inc. System and method for recycling and recapture of bio-based plastics
CN103147163B (zh) 2013-03-21 2015-03-18 宁波大发化纤有限公司 一种皮芯型再生聚酯短纤维及其制备方法
EP2784110B1 (en) * 2013-03-26 2017-03-29 Oxxynova GmbH Method and apparatus for colour removal from shredded pet-flakes
CN203346318U (zh) 2013-06-03 2013-12-18 扬州惠通化工技术有限公司 废瓶片聚酯熔体生产装置
JP6466425B2 (ja) 2013-06-17 2019-02-06 エスケー ケミカルズ カンパニー リミテッド ポリエチレンテレフタレート樹脂と共重合ポリエステル樹脂を含む熱収縮フィルム形成用組成物、および熱収縮フィルム
CN103357605B (zh) * 2013-07-13 2015-04-15 福建锦兴环保科技有限公司 废旧聚酯瓶片的清洗装置及清洗工艺
CN103755933B (zh) 2014-01-14 2016-01-13 北京服装学院 一种废旧pet织物半降解增粘制备长丝级切片的方法
WO2015171432A1 (en) 2014-05-05 2015-11-12 Resinate Materials Group, Inc. Improved recycle-content polyester polyols
DE102014220330B4 (de) 2014-10-07 2016-11-03 Herbold Meckesheim Gmbh Verfahren zur Aufbereitung von Kunststoffen und Vorrichtung
CN104447341B (zh) 2014-11-03 2016-02-10 东华大学 一种聚酯醇解方法
CN104327259B (zh) 2014-11-03 2016-02-10 东华大学 一种低熔点再生共聚酯的制备方法
CN104357938B (zh) 2014-11-03 2016-06-15 东华大学 一种再生聚酯纤维的制备方法
FR3030541B1 (fr) 2014-12-19 2017-02-03 Ifp Energies Now Procede de glycolyse du poly(terephtalate d'ethylene) en deux etapes reactionnelles
JP2018510225A (ja) 2015-01-30 2018-04-12 レジネート マテリアルズ グループ、インコーポレイテッド Ｐｅｔ及びｐｔｔのリサイクル流の統合処理方法
CN105367415B (zh) 2015-11-13 2018-02-13 航天资源循环科技有限公司 一种废旧pet材料化学法回收循环再利用系统
WO2017092071A1 (zh) 2015-11-30 2017-06-08 谭亦武 一种废pet回收再利用的方法及应用
CN106832397B (zh) 2015-12-07 2019-09-20 中国石化仪征化纤有限责任公司 在线回用pet聚合废料的方法
CH713339A1 (de) 2017-01-03 2018-07-13 Alpla Werke Alwin Lehner Gmbh & Co Kg PET-Regranulat mit hoher intrinsischer Viskosität und Verfahren zu dessen Herstellung.
CN206883973U (zh) 2017-06-21 2018-01-16 濠锦化纤(福州)有限公司 再生塑料粉碎装置
CN107266664A (zh) 2017-07-12 2017-10-20 宜兴市创新精细化工有限公司 一种聚酯废料回收工艺
CN109423699A (zh) 2017-08-24 2019-03-05 青岛吉盛纺织有限公司 一种利用回收的pet瓶制造纺织用长丝的方法
DE102018202547A1 (de) 2018-02-20 2019-10-02 Thyssenkrupp Ag Vorrichtung und Verfahren zum Einmischen von Recyclingmaterial in eine Polyesterschmelze
CN108395373A (zh) 2018-04-10 2018-08-14 福建荔枝新材料有限公司 一种废旧聚酯回收方法
BR102018068454B1 (pt) 2018-09-12 2022-04-19 Petróleo Brasileiro S.A. - Petrobras Catalisadores e processo para obtenção de poliéster reciclado
GB2570019B (en) 2018-09-17 2021-04-21 Impact Laboratories Ltd Plastic recycling process
EP3853298B1 (en) 2018-09-21 2023-02-22 Premirr Plastics Inc. Process and system for depolymerizing plastic
CN109134244B (zh) 2018-09-26 2020-10-30 东华大学 一种废旧聚酯的降解方法
CN111138641B (zh) 2018-11-02 2021-12-21 中国石油化工股份有限公司 一种废聚酯瓶回用制备瓶级切片的方法
WO2020149798A1 (en) 2019-01-15 2020-07-23 Köksan Pet Ve Plasti̇k Ambalaj Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ Chemical glycolysis method in which transparent pet wastes are recycled to be used in bottle-grade pet resin production
FR3092323B1 (fr) 2019-02-01 2021-06-04 Ifp Energies Now Procédé de production d’un polyester téréphtalate à partir d’un mélange monomérique comprenant un diester
FR3092324B1 (fr) 2019-02-01 2021-04-23 Ifp Energies Now Procédé de production d’un polyester téréphtalate intégrant un procédé de dépolymérisation
US20210094205A1 (en) 2019-05-20 2021-04-01 Octal Saoc Fzc Process for rotary die cutting of reclaimed polyester
CN110273197A (zh) 2019-05-20 2019-09-24 福建师范大学福清分校 一种废弃绦纶纺织物生产的再生彩纱及其制备方法
CN110527138B (zh) 2019-07-10 2020-07-03 艾凡佳德(上海)环保科技有限公司 一种废旧聚酯的连续醇解回收方法
GB2598077A (en) 2019-08-13 2022-02-23 Poseidon Plastics Ltd Polymer recycling
GB2586249B (en) 2019-08-13 2021-09-22 Poseidon Plastics Ltd Polymer recycling
CN112759746B (zh) 2019-10-21 2022-08-12 中国石油化工股份有限公司 一种高洁净食品级再生瓶片的制备方法
CN110698658B (zh) 2019-10-22 2021-11-26 宁波大发化纤有限公司 一种废聚酯链解制备有色聚酯的方法
CN110616474B (zh) 2019-10-22 2021-02-12 宁波大发化纤有限公司 废聚酯纺织品制备皮芯复合低熔点再生聚酯纤维的方法
NL2024181B1 (en) 2019-11-07 2021-07-20 Ioniqa Tech B V Reactor system and method of separating a first contaminant from a feed stream
NL2024194B1 (en) 2019-11-08 2021-07-20 Ioniqa Tech B V Method for treatment of waste material and reactor system thereof
CN110734578B (zh) 2019-11-13 2022-03-11 宁波大发化纤有限公司 一种废聚酯原料中分离获得再生聚酯的方法
US11710592B2 (en) 2019-11-17 2023-07-25 Littelfuse, Inc. Bi-stable mechanical latch including positioning spheres
CN110818886B (zh) 2019-12-13 2022-02-11 中国科学院过程工程研究所 一种废弃pet聚酯制备再生食品级pet聚酯的方法
FR3105236B1 (fr) 2019-12-19 2022-12-16 Ifp Energies Now Procédé optimisé de dépolymérisation d’un polyester comprenant du polyéthylène téréphtalate
US11639431B2 (en) 2020-01-23 2023-05-02 Premirr Plastics Inc. Process and system for depolymerizing plastic
CN115243794B (zh) 2020-02-10 2025-09-12 伊士曼化工公司 颗粒塑料固体处理装置和方法
BR112022013284A2 (pt) 2020-02-10 2022-09-06 Eastman Chem Co Método de processamento de plástico de resíduo
MX2022009358A (es) 2020-02-10 2022-09-02 Eastman Chem Co Separacion por densidad centrifuga de plastico de desecho.
CN115066466B (zh) 2020-02-10 2025-05-02 伊士曼化工公司 处理的废塑料材料
EP3875523A1 (en) 2020-03-03 2021-09-08 UAB Neo Group Processes for recycling polyethylene terephthalate
CN115461430A (zh) 2020-04-13 2022-12-09 伊士曼化工公司 用于化学回收的溶剂分解副产物流的增强分离
BR112022020522A2 (pt) 2020-04-13 2022-12-06 Eastman Chem Co Método para reciclar um resíduo plástico, e, usos de um ou mais materiais contendo tereftalato de polietileno e de finos úmidos de recuperação contendo tereftalato de polietileno
US20230212370A1 (en) 2020-04-13 2023-07-06 Eastman Chemical Company Chemical recycling of plastic dry fines
CN111978686B (zh) 2020-08-25 2022-12-20 广州大学 一种再生聚酯材料及其制备方法
CN111849026A (zh) 2020-08-27 2020-10-30 华润化学材料科技股份有限公司 一种生产rPET瓶级聚酯切片的方法和系统
CN112646135B (zh) 2020-12-10 2023-01-13 北京服装学院 有色废旧聚酯纺织品连续制备可纺级无色再生聚酯的方法
CN112608514A (zh) 2020-12-14 2021-04-06 浙江理工大学 一种废旧聚酯醇解法制备抗菌再生聚酯的方法
IN202121037279A (es) * 2021-08-17 2022-09-16 Jb Rpet Industries Pvt Ltd
KR20240160110A (ko) 2022-03-15 2024-11-08 도레이 카부시키가이샤 착색 pet 포백을 원료로 한 재생 폴리에스테르 수지 및 착색 pet 포백으로부터 에스테르 모노머를 얻는 방법
ES2987879T3 (es) 2022-09-20 2024-11-18 Revalyu Resources Gmbh Proceso para reciclar tereftalato de polietileno utilizando un reactor de lavado
ES2987863T3 (es) 2022-09-20 2024-11-18 Revalyu Resources Gmbh Proceso para reciclar tereftalato de polietileno utilizando una materia prima separada
EP4342943B1 (en) 2022-09-20 2024-07-17 revalyu Resources GmbH Process for recycling polyethylene terephthalate using a selected feedstock
ES2987868T3 (es) 2022-09-20 2024-11-18 Revalyu Resources Gmbh Proceso para reciclar tereftalato de polietileno utilizando material filtrante de partículas porosas
EP4342938B1 (en) 2022-09-20 2024-07-17 revalyu Resources GmbH Process for recycling polyethylene terephthalate using specific colour coordinates for oligomer processing
ES2987876T3 (es) 2022-09-20 2024-11-18 Revalyu Resources Gmbh Proceso para reciclar tereftalato de polietileno utilizando monoetilenglicol gaseoso y/o líquido
EP4342940B1 (en) 2022-09-20 2024-07-10 revalyu Resources GmbH Process for recycling polyethylene terephthalate using selected temperature range for oligomer processing
ES2987870T3 (es) 2022-09-20 2024-11-18 Revalyu Resources Gmbh Proceso para reciclar tereftalato de polietileno utilizando un gradiente de concentración de impurezas
ES2987871T3 (es) 2022-09-20 2024-11-18 Revalyu Resources Gmbh Proceso para reciclar tereftalato de polietileno determinado por la viscosidad intrínseca del tereftalato de polietileno

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