NL7110095A - - Google Patents

Info

Publication number
NL7110095A
NL7110095A NL7110095A NL7110095A NL7110095A NL 7110095 A NL7110095 A NL 7110095A NL 7110095 A NL7110095 A NL 7110095A NL 7110095 A NL7110095 A NL 7110095A NL 7110095 A NL7110095 A NL 7110095A
Authority
NL
Netherlands
Application number
NL7110095A
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 filed Critical
Publication of NL7110095A publication Critical patent/NL7110095A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • C08G63/785—Preparation processes characterised by the apparatus used
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/24—Preparation of carboxylic acid esters by reacting carboxylic acids or derivatives thereof with a carbon-to-oxygen ether bond, e.g. acetal, tetrahydrofuran
    • C07C67/26—Preparation of carboxylic acid esters by reacting carboxylic acids or derivatives thereof with a carbon-to-oxygen ether bond, e.g. acetal, tetrahydrofuran with an oxirane ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/16—Dicarboxylic acids and dihydroxy compounds
    • C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
    • C08G63/181—Acids containing aromatic rings
    • C08G63/183—Terephthalic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
NL7110095A 1970-07-23 1971-07-22 NL7110095A (cg-RX-API-DMAC10.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45064471A JPS4915255B1 (cg-RX-API-DMAC10.html) 1970-07-23 1970-07-23

Publications (1)

Publication Number Publication Date
NL7110095A true NL7110095A (cg-RX-API-DMAC10.html) 1972-01-25

Family

ID=13259160

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7110095A NL7110095A (cg-RX-API-DMAC10.html) 1970-07-23 1971-07-22

Country Status (8)

Country Link
US (1) US3803003A (cg-RX-API-DMAC10.html)
JP (1) JPS4915255B1 (cg-RX-API-DMAC10.html)
CA (1) CA954820A (cg-RX-API-DMAC10.html)
CH (1) CH555312A (cg-RX-API-DMAC10.html)
DE (1) DE2136688B2 (cg-RX-API-DMAC10.html)
FR (1) FR2103115A5 (cg-RX-API-DMAC10.html)
GB (1) GB1344487A (cg-RX-API-DMAC10.html)
NL (1) NL7110095A (cg-RX-API-DMAC10.html)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4076946A (en) * 1974-01-02 1978-02-28 Hercofina Hydrogenation of molten aldehydic dimethyl terephthalate
JPS6241084U (cg-RX-API-DMAC10.html) * 1985-08-30 1987-03-11
US5635584A (en) * 1995-12-07 1997-06-03 Eastman Chemical Company Process including glycolysis and subsequent purification for recycling polyester materials
JP3715812B2 (ja) * 1998-12-10 2005-11-16 株式会社アイエス ポリエチレンテレフタレート廃棄物のケミカルリサイクル方法
KR100701842B1 (ko) 1999-08-04 2007-04-02 가부시키가이샤 아이에스 비스-β-히드록시에틸테레프탈레이트의 제조법 및 정제법
CN1210247C (zh) 2000-02-04 2005-07-13 株式会社爱伊斯 高纯度双-β-羟乙基对苯二甲酸酯的制备方法
CN1230415C (zh) * 2000-07-31 2005-12-07 株式会社爱伊斯 二-β-羟乙基对苯二甲酸酯
US7211193B2 (en) * 2002-06-04 2007-05-01 Pet Rebirth Co., Ltd. Processes for the purification of bis(2-hydroxyethyl)terephthalate
US7390869B2 (en) * 2005-06-13 2008-06-24 Eastman Chemical Company Process for removing metal species in the presence of hydrogen and a porous material and polyester polymer containing reduced amounts of metal species
FR3053691B1 (fr) 2016-07-05 2018-08-03 IFP Energies Nouvelles Procede de depolymerisation d'un polyester comprenant du polyethylene terephtalate opaque
FR3156787A1 (fr) * 2023-12-19 2025-06-20 IFP Energies Nouvelles Procédé de recyclage de polyéthylène téréphtalate par glycolyse comprenant une evaporation optimisee du bhet

Also Published As

Publication number Publication date
CH555312A (de) 1974-10-31
JPS4915255B1 (cg-RX-API-DMAC10.html) 1974-04-13
GB1344487A (en) 1974-01-23
US3803003A (en) 1974-04-09
DE2136688A1 (cg-RX-API-DMAC10.html) 1972-01-27
DE2136688B2 (de) 1976-07-15
CA954820A (en) 1974-09-17
FR2103115A5 (cg-RX-API-DMAC10.html) 1972-04-07

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