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

Procédé de récupération de chutes de polyesters synthétiques

Info

Publication number: FR1081681A
Authority: FR; France
Prior art keywords: offcuts; synthetic polyester; recovering synthetic; recovering; polyester
Prior art date: 1952-08-09
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

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.)

1952-08-09

Filing date

1953-07-28

Publication date

1954-12-22

1953-07-28 Application filed by Perfogit SpA filed Critical Perfogit SpA

1954-12-22 Application granted granted Critical

1954-12-22 Publication of FR1081681A publication Critical patent/FR1081681A/fr

Status Expired legal-status Critical Current

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
EP0641366A4 (fr) *	1992-05-18	1995-05-31	Petwest 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
EP1082375A4 (fr) *	1998-03-27	2001-05-02	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

1953
- 1953-07-28 FR FR1081681D patent/FR1081681A/fr not_active Expired

Cited By (19)

* 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
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
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)
JP2022550228A (ja) *	2019-03-20	2022-12-01	９４４９７１０カナダインク．	ポリエチレンテレフタレート（ｐｅｔ）の解重合のためのプロセス
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)
US12415901B2 (en)	2019-03-20	2025-09-16	9449710 Canada Inc.	Process for the depolymerization of polyethylene terephthalate (PET)
US12415179B2 (en)	2019-03-20	2025-09-16	9449710 Canada Inc.	Process for recovering and reusing depolymerization catalyst

Publication	Publication Date	Title
FR1050942A (fr)	1954-01-12	Procédé de production de solutions d'élastomères de la série des polyesters
FR1081681A (fr)	1954-12-22	Procédé de récupération de chutes de polyesters synthétiques
AT211046B (de)	1960-09-10	Verfahren zur Herstellung neuer, modifizierter Polyester
FR1089476A (fr)	1955-03-17	Procédé pour la récupération de phosgène
FR1086609A (fr)	1955-02-15	Procédé de brasage
FR1100465A (fr)	1955-09-20	Procédé perfectionné de fabrication de polyesters
FR1061413A (fr)	1954-04-12	Procédé de manutention de bouteilles
FR1156284A (fr)	1958-05-14	Procédé de durcissement de mélanges polyesters non saturés
FR1094575A (fr)	1955-05-23	Procédé de récupération du phénol
FR1073684A (fr)	1954-09-28	Procédé de cristallisation
FR1081691A (fr)	1954-12-22	Procédé de préparation de triméthylolpropane
FR1076362A (fr)	1954-10-26	Procédé d'hydroformation des hydrocarbures
FR1079946A (fr)	1954-12-03	Procédé d'hydroformation
FR1063296A (fr)	1954-04-30	Nouveau procédé de ventilation
FR1069872A (fr)	1954-07-13	Procédé de fluoration de penta-chloréthane
FR1078467A (fr)	1954-11-18	Procédé de synthèse totale de la morphine
FR1091630A (fr)	1955-04-13	Procédé de construction économique
FR1098354A (fr)	1955-07-25	Procédé d'hydrogénation du charbon
AT178319B (de)	1954-04-26	Karussell
FR1058464A (fr)	1954-03-16	Procédé de construction
FR1056179A (fr)	1954-02-24	Procédé de développement hypersensibilisateur
FR1082311A (fr)	1954-12-28	Procédé de récupération du germanium
FR1064845A (fr)	1954-05-18	Procédé de déshydrochloruration
FR1070343A (fr)	1954-07-22	Procédé de production de perchlorindane
FR74006E (fr)	1960-11-07	Procédé de cokéfaction