ES343709A1 - Procedimiento para la obtencion de esteres glicolicos de a-cido tereftalico. - Google Patents

Procedimiento para la obtencion de esteres glicolicos de a-cido tereftalico.

Info

Publication number
ES343709A1
ES343709A1 ES343709A ES343709A ES343709A1 ES 343709 A1 ES343709 A1 ES 343709A1 ES 343709 A ES343709 A ES 343709A ES 343709 A ES343709 A ES 343709A ES 343709 A1 ES343709 A1 ES 343709A1
Authority
ES
Spain
Prior art keywords
terephthalic acid
manufacture
glycol esters
acid glycol
esters
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
ES343709A
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.)
Hoechst AG
Original Assignee
Hoechst AG
Farbwerke Hoechst AG
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 Hoechst AG, Farbwerke Hoechst AG filed Critical Hoechst AG
Publication of ES343709A1 publication Critical patent/ES343709A1/es
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
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
    • 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
    • C08G63/78—Preparation processes
    • C08G63/785—Preparation processes characterised by the apparatus used
    • 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)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
ES343709A 1966-08-06 1967-08-01 Procedimiento para la obtencion de esteres glicolicos de a-cido tereftalico. Expired ES343709A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF49898A DE1290929B (de) 1966-08-06 1966-08-06 Verfahren zur Herstellung von wasserloeslichen niedrigmolekularen Terephthalsaeureglykolestern

Publications (1)

Publication Number Publication Date
ES343709A1 true ES343709A1 (es) 1968-12-16

Family

ID=7103361

Family Applications (1)

Application Number Title Priority Date Filing Date
ES343709A Expired ES343709A1 (es) 1966-08-06 1967-08-01 Procedimiento para la obtencion de esteres glicolicos de a-cido tereftalico.

Country Status (7)

Country Link
AT (1) AT274796B (es)
BE (1) BE702375A (es)
DE (1) DE1290929B (es)
ES (1) ES343709A1 (es)
GB (1) GB1174842A (es)
LU (1) LU54248A1 (es)
NL (1) NL6710561A (es)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1052394B (de) * 1956-05-26 1959-03-12 Hoechst Ag Verfahren zur Herstellung von Terephthalsaeure-bis-aethylenglykolester durch Abbau vo
DE1168888B (de) * 1958-12-27 1964-04-30 Kemijska Ind Zajednica Verfahren zur Herstellung von Bis-hydroxyaethylterephthalat

Also Published As

Publication number Publication date
NL6710561A (es) 1968-02-07
BE702375A (es) 1968-02-07
DE1290929B (de) 1969-03-20
LU54248A1 (es) 1969-06-16
AT274796B (de) 1969-09-25
GB1174842A (en) 1969-12-17

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