ES2076444T3 - Recuperacion de esteres metilicos de acidos aromaticos y glicoles a partir de residuos de poliesteres termoplasticos. - Google Patents

Recuperacion de esteres metilicos de acidos aromaticos y glicoles a partir de residuos de poliesteres termoplasticos.

Info

Publication number
ES2076444T3
ES2076444T3 ES91119061T ES91119061T ES2076444T3 ES 2076444 T3 ES2076444 T3 ES 2076444T3 ES 91119061 T ES91119061 T ES 91119061T ES 91119061 T ES91119061 T ES 91119061T ES 2076444 T3 ES2076444 T3 ES 2076444T3
Authority
ES
Spain
Prior art keywords
glycols
recovery
methyl esters
thermoplastic polyester
aromatic acids
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 - Lifetime
Application number
ES91119061T
Other languages
English (en)
Inventor
Robert Everette Michel
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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.)
Filing date
Publication date
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of ES2076444T3 publication Critical patent/ES2076444T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/09—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis
    • C07C29/095—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of esters of organic acids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/03—Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)

Abstract

SE PREPARAN VAPOR DE GLICOL Y VAPOR DE DIMETIL TEREFTALATO TRATANDO POLIMEROS POLIESTER CON EXCESOS DE VAPOR METANOL A UNA TEMPERATURA DE 230 C. EL EXCESO DE METANOL ACTUA COMO UN GAS PORTADOR PARA EL DIMETIL TERFTALATO Y EL GLICOL.
ES91119061T 1990-11-09 1991-11-08 Recuperacion de esteres metilicos de acidos aromaticos y glicoles a partir de residuos de poliesteres termoplasticos. Expired - Lifetime ES2076444T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US61032590A 1990-11-09 1990-11-09

Publications (1)

Publication Number Publication Date
ES2076444T3 true ES2076444T3 (es) 1995-11-01

Family

ID=24444589

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91119061T Expired - Lifetime ES2076444T3 (es) 1990-11-09 1991-11-08 Recuperacion de esteres metilicos de acidos aromaticos y glicoles a partir de residuos de poliesteres termoplasticos.

Country Status (6)

Country Link
EP (1) EP0484963B1 (es)
JP (1) JP3237768B2 (es)
KR (1) KR920009770A (es)
CA (1) CA2055066A1 (es)
DE (1) DE69111379T2 (es)
ES (1) ES2076444T3 (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5298530A (en) * 1992-11-25 1994-03-29 Eastman Kodak Company Process of recovering components from scrap polyester
US5498749A (en) * 1993-10-22 1996-03-12 Eastman Chemical Company Process for separating cyclohexane dimethanol from dimethyl terephthalate
IT1269175B (it) * 1994-01-11 1997-03-21 Montefibre Spa Processo in continuo per il recupero di acido tereftalico dagli scarti o prodotti post-consumo di polimeri di polialchilen tereftalato
US5414022A (en) * 1994-03-10 1995-05-09 Eastman Kodak Company Process of recovering components from polyester resins
US5710315A (en) * 1994-05-27 1998-01-20 E. I. Du Pont De Nemours And Company Monomer recovery process for contaminated polymers
US5532404A (en) * 1994-05-27 1996-07-02 E. I. Du Pont De Nemours And Company Monomer recovery process for contaminated polymers
US5504122A (en) * 1995-04-11 1996-04-02 E. I. Du Pont De Nemours And Company Recovery of dimethyl terephthalate from polymer mixtures
US5866622A (en) * 1997-04-18 1999-02-02 E. I. Du Pont De Nemours And Company Recovery of polyester from contaminated polyester waste
US5912275A (en) * 1997-09-30 1999-06-15 E. I. Du Pont De Nemours And Company Process for depolymerizing polyester
US6472557B1 (en) 1999-02-10 2002-10-29 Eastman Chemical Company Process for recycling polyesters
WO2001019764A1 (en) * 1999-09-13 2001-03-22 Asahi Kasei Kabushiki Kaisha Ester-forming monomer
US6919383B2 (en) 2001-04-10 2005-07-19 North Carolina State University CO2-assisted deploymerization, purification and recycling of step-growth polymers
JP5854466B2 (ja) * 2012-01-10 2016-02-09 学校法人帝京大学 高温・高圧メタノールによる磁気テープのケミカルリサイクル方法
LU102949B1 (en) 2022-05-03 2023-11-06 Univ Hamburg Method for the depolymerization of a terephthalate polyester
EP4273190A1 (en) * 2022-05-03 2023-11-08 Universität Hamburg Method for the depolymerization of a terephthalate polyester
CN115353904B (zh) * 2022-08-02 2024-02-23 中国矿业大学 一种过热蒸汽体系高效液化塑料垃圾制油的方法及其装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL273455A (es) *
BE635706A (es) * 1962-08-17
US5051528A (en) * 1990-04-24 1991-09-24 Eastman Kodak Company Recovery process for ethylene glycol and dimethylterephthalate

Also Published As

Publication number Publication date
DE69111379D1 (de) 1995-08-24
EP0484963B1 (en) 1995-07-19
EP0484963A3 (en) 1992-10-21
EP0484963A2 (en) 1992-05-13
CA2055066A1 (en) 1992-05-10
KR920009770A (ko) 1992-06-25
JP3237768B2 (ja) 2001-12-10
JPH04316541A (ja) 1992-11-06
DE69111379T2 (de) 1996-04-04

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