[go: up one dir, main page]

CA2052038C - Procede de recuperation - Google Patents

Procede de recuperation

Info

Publication number
CA2052038C
CA2052038C CA 2052038 CA2052038A CA2052038C CA 2052038 C CA2052038 C CA 2052038C CA 2052038 CA2052038 CA 2052038 CA 2052038 A CA2052038 A CA 2052038A CA 2052038 C CA2052038 C CA 2052038C
Authority
CA
Canada
Prior art keywords
ethylene glycol
methanol
scrap
dimethylterephthalate
terephthalate
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
CA 2052038
Other languages
English (en)
Other versions
CA2052038A1 (fr
Inventor
Andrius A. Naujokas
Kevin M. Ryan
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak 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 Eastman Kodak Co filed Critical Eastman Kodak Co
Priority to CA 2052038 priority Critical patent/CA2052038C/fr
Publication of CA2052038A1 publication Critical patent/CA2052038A1/fr
Application granted granted Critical
Publication of CA2052038C publication Critical patent/CA2052038C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA 2052038 1991-09-23 1991-09-23 Procede de recuperation Expired - Lifetime CA2052038C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2052038 CA2052038C (fr) 1991-09-23 1991-09-23 Procede de recuperation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2052038 CA2052038C (fr) 1991-09-23 1991-09-23 Procede de recuperation

Publications (2)

Publication Number Publication Date
CA2052038A1 CA2052038A1 (fr) 1993-03-24
CA2052038C true CA2052038C (fr) 1999-03-09

Family

ID=4148425

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2052038 Expired - Lifetime CA2052038C (fr) 1991-09-23 1991-09-23 Procede de recuperation

Country Status (1)

Country Link
CA (1) CA2052038C (fr)

Also Published As

Publication number Publication date
CA2052038A1 (fr) 1993-03-24

Similar Documents

Publication Publication Date Title
EP0526572B1 (fr) Procede de recuperation de l'ethylene glycol et du terephthalate dimethyle contenus dans le terephthalate de polyethylene
US5298530A (en) Process of recovering components from scrap polyester
US7462649B2 (en) Method for recycling pet bottle
AU640589B2 (en) Purifying glycolide and lactides using high pressure gas stream
US5498749A (en) Process for separating cyclohexane dimethanol from dimethyl terephthalate
US6262294B1 (en) Process for continuously producing monomer components from aromatic polyester
DE69803212T2 (de) Depolymerisationsverfahren zur wiedergewinnung von polyestern
US6472557B1 (en) Process for recycling polyesters
JPS5953254B2 (ja) ジアルキルテレフタレ−トの回収方法
US5576456A (en) Recovery of components from polyester resins
JPH06184053A (ja) ポリエステルからモノマーテレフタル酸ジエステル及びモノマーテレフタル酸ジオールを調製する方法
EP0662466A1 (fr) Procédé continu de récupération de l'acide téréphtalique à partir de déchets ou de produits utilisés de polyalkylène téréphtalate polymères
CA2052038C (fr) Procede de recuperation
CA2562246C (fr) Recyclage d'acide de 2,6 naphtalene dicarboxylique (2,6-nda) contenant un naphtalate de polyethylene vue de l'obtention de diesters
JP2003119316A (ja) Petボトルのリサイクル方法
US5952520A (en) Recovery of ester monomer from polyester resins
US3148208A (en) Process for recovery of dimethyl
JP2003113125A (ja) ポリエステルからモノマー製造方法
US3769323A (en) Process for refining bis-(beta-hydroxy-ethyl)terephthalate
US5672729A (en) Recovery of terephthalate diesters from glycol residues
JP3782907B2 (ja) ビス−β−ヒドロキシエチルテレフタレートおよび/またはその低縮合物の製造法
EP0758640B1 (fr) Récupération de composés de résines polyesters
JPH10218983A (ja) 低圧メタノリシスを用いたポリエチレンナフタレートからのモノマーの回収プロセス
JP3526899B2 (ja) ナフタレンジカルボン酸ジメチル、テレフタル酸ジメチル及びアルキレングリコールの回収方法
JP2003300929A (ja) Petからモノマーの製造方法

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry