FR1081681A - Procédé de récupération de chutes de polyesters synthétiques - Google Patents

Procédé de récupération de chutes de polyesters synthétiques

Info

Publication number
FR1081681A
FR1081681A FR1081681DA FR1081681A FR 1081681 A FR1081681 A FR 1081681A FR 1081681D A FR1081681D A FR 1081681DA FR 1081681 A FR1081681 A FR 1081681A
Authority
FR
France
Prior art keywords
offcuts
synthetic polyester
recovering synthetic
recovering
polyester
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
Other languages
English (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.)
Perfogit SpA
Original Assignee
Perfogit SpA
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 Perfogit SpA filed Critical Perfogit SpA
Application granted granted Critical
Publication of FR1081681A publication Critical patent/FR1081681A/fr
Expired legal-status Critical Current

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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
FR1081681D 1952-08-09 1953-07-28 Procédé de récupération de chutes de polyesters synthétiques Expired FR1081681A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1081681X 1952-08-09

Publications (1)

Publication Number Publication Date
FR1081681A true FR1081681A (fr) 1954-12-22

Family

ID=11430525

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1081681D Expired FR1081681A (fr) 1952-08-09 1953-07-28 Procédé de récupération de chutes de polyesters synthétiques

Country Status (1)

Country Link
FR (1) FR1081681A (fr)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4163860A (en) * 1975-12-16 1979-08-07 Rhone-Poulenc-Textile Process for obtaining dimethyl terephthalate from polyester scrap
EP0388197A1 (fr) * 1989-03-15 1990-09-19 Synergistics Industries Limited Préparation d'esters de l'acide téréphtalique par voie d'une transestérification dégradante de théréphtalates de récupération ou de téréphtalates primitifs
US5319128A (en) * 1989-03-15 1994-06-07 Synergistics Industries, Ltd. Production of terephthalate esters by degradative transesterification of scrap or virgin terephthalate polyesters
US5393916A (en) * 1994-06-24 1995-02-28 Eastman Kodak Company Inhibition of dioxane formation during recovery of glycols from polyester resins
EP0641366A1 (fr) * 1992-05-18 1995-03-08 Swig Pty. Ltd. Amelioration apportee a la decontamination de terephtalate de polyethylene (pet)
US5672729A (en) * 1995-07-28 1997-09-30 Eastman Kodak Company Recovery of terephthalate diesters from glycol residues
US5952520A (en) * 1996-07-10 1999-09-14 Eastman Kodak Company Recovery of ester monomer from polyester resins
EP1082375A1 (fr) * 1998-03-27 2001-03-14 Swig Pty. Ltd. Conversion amelioree de polyethylene terephtalate contamine en polybutylene terephtalate decontamine
US11248103B2 (en) 2019-03-20 2022-02-15 9449710 Canada Inc. Process for the depolymerization of polyethylene terephthalate (PET)
US11401398B2 (en) 2018-06-25 2022-08-02 9449710 Canada Inc. Terephthalic acid esters formation
US11554366B2 (en) 2019-03-20 2023-01-17 9449710 Canada Inc. Process for recovering and reusing depolymerization catalyst
US11866404B2 (en) 2017-09-15 2024-01-09 9449710 Canada Inc. Terephthalic acid esters formation
US12071519B2 (en) 2017-09-15 2024-08-27 9449710 Canada Inc. Terephthalic acid esters formation

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4163860A (en) * 1975-12-16 1979-08-07 Rhone-Poulenc-Textile Process for obtaining dimethyl terephthalate from polyester scrap
EP0388197A1 (fr) * 1989-03-15 1990-09-19 Synergistics Industries Limited Préparation d'esters de l'acide téréphtalique par voie d'une transestérification dégradante de théréphtalates de récupération ou de téréphtalates primitifs
US5319128A (en) * 1989-03-15 1994-06-07 Synergistics Industries, Ltd. Production of terephthalate esters by degradative transesterification of scrap or virgin terephthalate polyesters
EP0641366A1 (fr) * 1992-05-18 1995-03-08 Swig Pty. Ltd. Amelioration apportee a la decontamination de terephtalate de polyethylene (pet)
EP0641366A4 (fr) * 1992-05-18 1995-05-31 Petwest Pty Ltd Amelioration apportee a la decontamination de terephtalate de polyethylene (pet).
US5393916A (en) * 1994-06-24 1995-02-28 Eastman Kodak Company Inhibition of dioxane formation during recovery of glycols from polyester resins
EP0688756A1 (fr) 1994-06-24 1995-12-27 Eastman Kodak Company Inhibition de la formation de dioxane lors de la récupération de glycols des résines polyesters
US5672729A (en) * 1995-07-28 1997-09-30 Eastman Kodak Company Recovery of terephthalate diesters from glycol residues
US5952520A (en) * 1996-07-10 1999-09-14 Eastman Kodak Company Recovery of ester monomer from polyester resins
EP1082375A1 (fr) * 1998-03-27 2001-03-14 Swig Pty. Ltd. Conversion amelioree de polyethylene terephtalate contamine en polybutylene terephtalate decontamine
EP1082375A4 (fr) * 1998-03-27 2001-05-02 Swig Pty Ltd Conversion amelioree de polyethylene terephtalate contamine en polybutylene terephtalate decontamine
US11866404B2 (en) 2017-09-15 2024-01-09 9449710 Canada Inc. Terephthalic acid esters formation
US12071519B2 (en) 2017-09-15 2024-08-27 9449710 Canada Inc. Terephthalic acid esters formation
US11401398B2 (en) 2018-06-25 2022-08-02 9449710 Canada Inc. Terephthalic acid esters formation
US12071520B2 (en) 2018-06-25 2024-08-27 9449710 Canada Inc. Terephthalic acid esters formation
US11248103B2 (en) 2019-03-20 2022-02-15 9449710 Canada Inc. Process for the depolymerization of polyethylene terephthalate (PET)
US11554366B2 (en) 2019-03-20 2023-01-17 9449710 Canada Inc. Process for recovering and reusing depolymerization catalyst
US11795291B2 (en) 2019-03-20 2023-10-24 9449710 Canada Inc. Process for the depolymerization of polyethylene terephthalate (PET)

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