BE616438A - Traitement de mélanges contenant l'ester diméthylique de l'acide isophtalique - Google Patents

Traitement de mélanges contenant l'ester diméthylique de l'acide isophtalique

Info

Publication number
BE616438A
BE616438A BE616438A BE616438A BE616438A BE 616438 A BE616438 A BE 616438A BE 616438 A BE616438 A BE 616438A BE 616438 A BE616438 A BE 616438A BE 616438 A BE616438 A BE 616438A
Authority
BE
Belgium
Prior art keywords
treatment
isophthalic acid
dimethyl ester
mixtures containing
acid dimethyl
Prior art date
Application number
BE616438A
Other languages
English (en)
Original Assignee
Chemische Werke Witten Gmbh
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 Chemische Werke Witten Gmbh filed Critical Chemische Werke Witten Gmbh
Publication of BE616438A publication Critical patent/BE616438A/fr

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
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
    • 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
    • C07C67/60—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE616438A 1961-04-15 1962-04-13 Traitement de mélanges contenant l'ester diméthylique de l'acide isophtalique BE616438A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1961C0023889 DE1139827B (de) 1961-04-15 1961-04-15 Verfahren zur verbesserten Aufarbeitung von Terephthalsäuredimethylester und Isophthalsäuredimethylester enthaltenden Mutterlaugen.

Publications (1)

Publication Number Publication Date
BE616438A true BE616438A (fr) 1962-07-31

Family

ID=7017537

Family Applications (1)

Application Number Title Priority Date Filing Date
BE616438A BE616438A (fr) 1961-04-15 1962-04-13 Traitement de mélanges contenant l'ester diméthylique de l'acide isophtalique

Country Status (6)

Country Link
US (1) US3248417A (fr)
BE (1) BE616438A (fr)
DE (1) DE1139827B (fr)
FR (1) FR1319024A (fr)
GB (1) GB978172A (fr)
NL (1) NL270266A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4843340B1 (fr) * 1970-04-15 1973-12-18
US3855275A (en) * 1971-04-30 1974-12-17 Halcon International Inc Treatment of terephthalic acid reaction
DD104973A5 (fr) * 1972-09-12 1974-04-05
US4032563A (en) * 1975-09-02 1977-06-28 Standard Oil Company Process for the recovery of high purity diesters of terephthalic or isophthalic acids
MXPA05004674A (es) 2002-10-31 2005-06-08 Dow Global Technologies Inc Dispersion de poliuretano y articulos preparados a partir de ella.
CN101039975A (zh) * 2004-01-08 2007-09-19 荷兰聚合物研究所基金会 聚氨酯、聚氨酯脲和聚脲及其用途
KR101398244B1 (ko) 2005-11-14 2014-05-22 다우 글로벌 테크놀로지스 엘엘씨 향상된 열 전도성을 갖는 강성 폴리우레탄 발포체의 성형방법
AU2007253855A1 (en) * 2006-05-18 2007-11-29 Dow Global Technologies Llc Polyurethane-urea polymers derived from cyclohexane dimethanol
US8362142B2 (en) * 2007-12-26 2013-01-29 Dow Global Technologies Llc Polyurethane dispersions and coatings produced therefrom
EP2268695A1 (fr) * 2008-04-09 2011-01-05 Dow Global Technologies Inc. Élastomères de polyuréthanne

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA538415A (fr) * 1957-03-19 Katzschmann Ewald Procede pour la production d'isophthalate de methyle pure et de terephthalate de methyle pure
GB623836A (en) * 1947-05-09 1949-05-24 Cyril Henry Bowden Manufacture of terephthalic acid
US2702817A (en) * 1953-10-01 1955-02-22 California Research Corp Process for the separation of isophthalic and terephthalic diesters
US2886587A (en) * 1954-07-06 1959-05-12 Phillips Petroleum Co Separation by crystallization
DE1035642B (de) 1954-10-06 1958-08-07 California Research Corp Verfahren zur Herstellung von Benzolpolycarbonsaeuren
DE1079027B (de) 1956-07-23 1960-04-07 Bataafsche Petroleum Verfahren zur Herstellung von Terephthalsaeure und/oder Isophthalsaeure

Also Published As

Publication number Publication date
GB978172A (en) 1964-12-16
DE1139827B (de) 1962-11-22
FR1319024A (fr) 1963-01-14
US3248417A (en) 1966-04-26
NL270266A (nl) 1964-07-10

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