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

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78Preparation processes
    • C08G63/785Preparation processes characterised by the apparatus used
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/24Preparation of carboxylic acid esters by reacting carboxylic acids or derivatives thereof with a carbon-to-oxygen ether bond, e.g. acetal, tetrahydrofuran
    • C07C67/26Preparation 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/48Separation; Purification; Stabilisation; Use of additives
    • C07C67/52Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C67/54Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/16Dicarboxylic acids and dihydroxy compounds
    • C08G63/18Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
    • C08G63/181Acids containing aromatic rings
    • C08G63/183Terephthalic 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)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Polyesters Or Polycarbonates (AREA)
NL7110095A 1970-07-23 1971-07-22 NL7110095A (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45064471A JPS4915255B1 (cs) 1970-07-23 1970-07-23

Publications (1)

Publication Number Publication Date
NL7110095A true NL7110095A (cs) 1972-01-25

Family

ID=13259160

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7110095A NL7110095A (cs) 1970-07-23 1971-07-22

Country Status (8)

Country Link
US (1) US3803003A (cs)
JP (1) JPS4915255B1 (cs)
CA (1) CA954820A (cs)
CH (1) CH555312A (cs)
DE (1) DE2136688B2 (cs)
FR (1) FR2103115A5 (cs)
GB (1) GB1344487A (cs)
NL (1) NL7110095A (cs)

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 (cs) * 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
EP1120394B1 (en) 1999-08-04 2004-09-08 Aies Co., Ltd. Methods for the preparation or purification of bis-(beta)-hydroxyethyl terephthalate
US6710202B2 (en) 2000-02-04 2004-03-23 Aies Co., Ltd. Process for production of high-purity bis-β-hydroxyethyl terephthalate
CA2419625A1 (en) * 2000-07-31 2003-01-29 Aies Co., Ltd. Bis-.beta.-hydroxyethyl terephthalate
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
CA954820A (en) 1974-09-17
GB1344487A (en) 1974-01-23
DE2136688B2 (de) 1976-07-15
FR2103115A5 (cs) 1972-04-07
JPS4915255B1 (cs) 1974-04-13
CH555312A (de) 1974-10-31
DE2136688A1 (cs) 1972-01-27
US3803003A (en) 1974-04-09

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