CA2595393C - Chemical process for recycling polyethylene terephthalate (pet) wastes - Google Patents

Chemical process for recycling polyethylene terephthalate (pet) wastes Download PDF

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Publication number
CA2595393C
CA2595393C CA2595393A CA2595393A CA2595393C CA 2595393 C CA2595393 C CA 2595393C CA 2595393 A CA2595393 A CA 2595393A CA 2595393 A CA2595393 A CA 2595393A CA 2595393 C CA2595393 C CA 2595393C
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CA
Canada
Prior art keywords
terephthalic acid
stage
reaction
ethylene glycol
media
Prior art date
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 - Fee Related
Application number
CA2595393A
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English (en)
French (fr)
Other versions
CA2595393A1 (en
Inventor
Arturo Guadalupe Fregoso-Infante
Roxanna Vega-Rangel
Maricruz Figueroa-Gomez-Crespo
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.)
UNIVERSIDAD IBEROAMERICANA AC
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UNIVERSIDAD IBEROAMERICANA AC
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 UNIVERSIDAD IBEROAMERICANA AC filed Critical UNIVERSIDAD IBEROAMERICANA AC
Publication of CA2595393A1 publication Critical patent/CA2595393A1/en
Application granted granted Critical
Publication of CA2595393C publication Critical patent/CA2595393C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/02—Preparation of carboxylic acids or their salts, halides or anhydrides from salts of carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
    • C07C63/14—Monocyclic dicarboxylic acids
    • C07C63/15—Monocyclic dicarboxylic acids all carboxyl groups bound to carbon atoms of the six-membered aromatic ring
    • C07C63/26—1,4 - Benzenedicarboxylic acid
    • 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
    • C08J11/16—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 inorganic material
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials
    • 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)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
CA2595393A 2004-01-27 2004-01-27 Chemical process for recycling polyethylene terephthalate (pet) wastes Expired - Fee Related CA2595393C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2004/000257 WO2005082826A1 (es) 2004-01-27 2004-01-27 Procedimiento quimico de reciclado de polietilentereftalato (pet) de desecho

Publications (2)

Publication Number Publication Date
CA2595393A1 CA2595393A1 (en) 2005-09-09
CA2595393C true CA2595393C (en) 2012-04-17

Family

ID=34897651

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2595393A Expired - Fee Related CA2595393C (en) 2004-01-27 2004-01-27 Chemical process for recycling polyethylene terephthalate (pet) wastes

Country Status (12)

Country Link
US (1) US7893122B2 (cg-RX-API-DMAC10.html)
EP (1) EP1710226B1 (cg-RX-API-DMAC10.html)
JP (1) JP4647625B2 (cg-RX-API-DMAC10.html)
KR (1) KR100983349B1 (cg-RX-API-DMAC10.html)
AU (1) AU2004316446B2 (cg-RX-API-DMAC10.html)
CA (1) CA2595393C (cg-RX-API-DMAC10.html)
DE (1) DE602004022199D1 (cg-RX-API-DMAC10.html)
DK (1) DK1710226T3 (cg-RX-API-DMAC10.html)
ES (1) ES2328139T3 (cg-RX-API-DMAC10.html)
IL (1) IL176986A (cg-RX-API-DMAC10.html)
PT (1) PT1710226E (cg-RX-API-DMAC10.html)
WO (1) WO2005082826A1 (cg-RX-API-DMAC10.html)

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KR102462599B1 (ko) * 2020-09-18 2022-11-03 한국화학연구원 에스테르 작용기를 포함하는 고분자의 해중합 촉매 및 이를 이용한 해중합 방법
RU2754972C1 (ru) * 2020-09-24 2021-09-08 Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский химико-технологический университет имени Д.И. Менделеева" (РХТУ им. Д.И. Менделеева) Способ переработки отходов полиэтилентерефталата
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KR102381508B1 (ko) * 2021-09-28 2022-04-01 김 영 범 고유점도가 0.75㎗/g 이상인 고중합도의 폴리에틸렌테레프탈레이트를 이용한 테레프탈산의 제조방법
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GB202207361D0 (en) * 2022-05-19 2022-07-06 Stuff4Life Ltd Chemical process
CN116875326B (zh) * 2023-04-27 2026-02-06 湖北民族大学 一种以废弃塑料瓶为原料的破乳剂及其制备方法与应用
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Also Published As

Publication number Publication date
CA2595393A1 (en) 2005-09-09
PT1710226E (pt) 2009-09-03
JP2007519798A (ja) 2007-07-19
ES2328139T3 (es) 2009-11-10
WO2005082826A1 (es) 2005-09-09
JP4647625B2 (ja) 2011-03-09
KR20060127925A (ko) 2006-12-13
US7893122B2 (en) 2011-02-22
AU2004316446B2 (en) 2010-12-23
DE602004022199D1 (de) 2009-09-03
KR100983349B1 (ko) 2010-09-20
IL176986A0 (en) 2006-12-10
EP1710226A1 (en) 2006-10-11
US20070219339A1 (en) 2007-09-20
IL176986A (en) 2010-12-30
EP1710226B1 (en) 2009-07-22
AU2004316446A2 (en) 2005-09-09
DK1710226T3 (da) 2009-10-05
AU2004316446A1 (en) 2005-09-09

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