GB2041916B - Process for the recovery of dimethyl terephthalate from polyethylene terephthalate polymer waste - Google Patents

Process for the recovery of dimethyl terephthalate from polyethylene terephthalate polymer waste

Info

Publication number
GB2041916B
GB2041916B GB7904444A GB7904444A GB2041916B GB 2041916 B GB2041916 B GB 2041916B GB 7904444 A GB7904444 A GB 7904444A GB 7904444 A GB7904444 A GB 7904444A GB 2041916 B GB2041916 B GB 2041916B
Authority
GB
United Kingdom
Prior art keywords
recovery
polymer waste
polyethylene terephthalate
terephthalate
dimethyl
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
Application number
GB7904444A
Other versions
GB2041916A (en
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.)
SIR PADAMPAT RESEARCH CENTRE
Original Assignee
SIR PADAMPAT RESEARCH CENTRE
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 SIR PADAMPAT RESEARCH CENTRE filed Critical SIR PADAMPAT RESEARCH CENTRE
Priority to GB7904444A priority Critical patent/GB2041916B/en
Publication of GB2041916A publication Critical patent/GB2041916A/en
Application granted granted Critical
Publication of GB2041916B publication Critical patent/GB2041916B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C07C69/82—Terephthalic acid esters
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB7904444A 1979-02-08 1979-02-08 Process for the recovery of dimethyl terephthalate from polyethylene terephthalate polymer waste Expired GB2041916B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7904444A GB2041916B (en) 1979-02-08 1979-02-08 Process for the recovery of dimethyl terephthalate from polyethylene terephthalate polymer waste

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7904444A GB2041916B (en) 1979-02-08 1979-02-08 Process for the recovery of dimethyl terephthalate from polyethylene terephthalate polymer waste

Publications (2)

Publication Number Publication Date
GB2041916A GB2041916A (en) 1980-09-17
GB2041916B true GB2041916B (en) 1983-04-13

Family

ID=10503051

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7904444A Expired GB2041916B (en) 1979-02-08 1979-02-08 Process for the recovery of dimethyl terephthalate from polyethylene terephthalate polymer waste

Country Status (1)

Country Link
GB (1) GB2041916B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106045858A (en) * 2015-08-18 2016-10-26 江苏景宏新材料科技有限公司 Method for preparing dimethyl terephthalate from waste PETG film through normal-pressure alcoholysis

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4876378A (en) * 1988-05-23 1989-10-24 Eastman Kodak Company Recovery of dialkyl naphthalene-2,6-dicarboxylates from naphthalene-2,6-dicarboxylic acid-containing polyesters
US5393916A (en) * 1994-06-24 1995-02-28 Eastman Kodak Company Inhibition of dioxane formation during recovery of glycols from polyester resins
JP3763784B2 (en) * 1999-09-13 2006-04-05 旭化成せんい株式会社 Method for producing 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
BR112017016060A2 (en) 2015-01-30 2018-04-03 Resinate Mat Group Inc integrated process for the treatment of pet and ptt recycles
CN110511137B (en) * 2019-07-10 2020-06-26 艾凡佳德(上海)环保科技有限公司 Continuous alcoholysis and ester exchange recovery method for waste polyester material
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 (en) * 2022-08-02 2024-02-23 中国矿业大学 Method and device for preparing oil by efficiently liquefying plastic garbage through superheated steam system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106045858A (en) * 2015-08-18 2016-10-26 江苏景宏新材料科技有限公司 Method for preparing dimethyl terephthalate from waste PETG film through normal-pressure alcoholysis

Also Published As

Publication number Publication date
GB2041916A (en) 1980-09-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee