GB844957A - A process for the purification or separation of isophthalic acids, and the monoesters and polyesters thereof - Google Patents

A process for the purification or separation of isophthalic acids, and the monoesters and polyesters thereof

Info

Publication number
GB844957A
GB844957A GB2644157A GB2644157A GB844957A GB 844957 A GB844957 A GB 844957A GB 2644157 A GB2644157 A GB 2644157A GB 2644157 A GB2644157 A GB 2644157A GB 844957 A GB844957 A GB 844957A
Authority
GB
United Kingdom
Prior art keywords
mixture
temperature
terephthalic acid
dimethyl
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
Application number
GB2644157A
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.)
Union Rheinische Braunkohlen Kraftstoff AG
Original Assignee
Union Rheinische Braunkohlen Kraftstoff 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 Union Rheinische Braunkohlen Kraftstoff AG filed Critical Union Rheinische Braunkohlen Kraftstoff AG
Publication of GB844957A publication Critical patent/GB844957A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
    • 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
    • C07C67/56—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
    • 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
    • C08G63/88—Post-polymerisation treatment
    • C08G63/90—Purification; Drying

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (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)
GB2644157A 1956-08-22 1957-08-21 A process for the purification or separation of isophthalic acids, and the monoesters and polyesters thereof Expired GB844957A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEU4082A DE1092899B (de) 1956-08-22 1956-08-22 Verfahren zur Reinigung von Terephthalsaeure sowie deren monomeren und polymeren Estern

Publications (1)

Publication Number Publication Date
GB844957A true GB844957A (en) 1960-08-17

Family

ID=7565484

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2644157A Expired GB844957A (en) 1956-08-22 1957-08-21 A process for the purification or separation of isophthalic acids, and the monoesters and polyesters thereof

Country Status (2)

Country Link
DE (1) DE1092899B (de)
GB (1) GB844957A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7985566B2 (en) 2005-04-22 2011-07-26 Mitsubishi Chemical Corporation Biomass-resource-derived polyester and production process thereof

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1256209B (de) * 1963-04-26 1967-12-14 Mobil Oil Corp Verfahren zum Reinigen von Terephthalsaeure
BE671513A (de) * 1964-10-29 1966-02-14
US4020099A (en) * 1972-10-10 1977-04-26 The C. P. Hall Company Purification of diphenyl terephthalate

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7985566B2 (en) 2005-04-22 2011-07-26 Mitsubishi Chemical Corporation Biomass-resource-derived polyester and production process thereof
US8021864B2 (en) 2005-04-22 2011-09-20 Mitsubishi Chemical Corporation Biomass-resource-derived polyester and production process thereof
US9080009B2 (en) 2005-04-22 2015-07-14 Mitsubishi Chemical Corporation Biomass-resource-derived polyester and production process thereof
US10287393B2 (en) 2005-04-22 2019-05-14 Mitsubishi Chemical Corporation Biomass-resource-derived polyester and production process thereof
US10870727B2 (en) 2005-04-22 2020-12-22 Mitsubishi Chemical Corporation Biomass-resource-derived polyester and production process thereof
US11560449B2 (en) 2005-04-22 2023-01-24 Mitsubishi Chemical Corporation Biomass-resource-derived polyester and production process thereof
US11732087B2 (en) 2005-04-22 2023-08-22 Mitsubishi Chemical Corporation Biomass-resource-derived polyester and production process thereof

Also Published As

Publication number Publication date
DE1092899B (de) 1960-11-17

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