ES218110A1 - UN PROCEDIMIENTO PARA LA PURIFICACIoN DEL TEREFTALATO BIS-BETA-HIDROXIETILICO - Google Patents

UN PROCEDIMIENTO PARA LA PURIFICACIoN DEL TEREFTALATO BIS-BETA-HIDROXIETILICO

Info

Publication number
ES218110A1
ES218110A1 ES0218110A ES218110A ES218110A1 ES 218110 A1 ES218110 A1 ES 218110A1 ES 0218110 A ES0218110 A ES 0218110A ES 218110 A ES218110 A ES 218110A ES 218110 A1 ES218110 A1 ES 218110A1
Authority
ES
Spain
Prior art keywords
hydroxyethyl
beta
terephthalate
bis
aqueous solution
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
ES0218110A
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of ES218110A1 publication Critical patent/ES218110A1/es
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • 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)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)

Abstract

Procedimiento para la purificación del tereftalato bis-beta-hidroxietílico, caracterizado por comprender el tratar una solución acuosa de este material con hiposulfito sódico, y el aislar de la solución el tereftalato bis-beta-hidroxietílico.
ES0218110A 1953-11-18 1954-10-28 UN PROCEDIMIENTO PARA LA PURIFICACIoN DEL TEREFTALATO BIS-BETA-HIDROXIETILICO Expired ES218110A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3195053A GB760027A (en) 1953-11-18 1953-11-18 Improved bis(beta-hydroxyethyl) terephthalate

Publications (1)

Publication Number Publication Date
ES218110A1 true ES218110A1 (es) 1955-09-16

Family

ID=10330796

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0218110A Expired ES218110A1 (es) 1953-11-18 1954-10-28 UN PROCEDIMIENTO PARA LA PURIFICACIoN DEL TEREFTALATO BIS-BETA-HIDROXIETILICO

Country Status (6)

Country Link
BE (1) BE533453A (es)
CH (1) CH329716A (es)
DE (1) DE963332C (es)
ES (1) ES218110A1 (es)
FR (1) FR1149661A (es)
GB (1) GB760027A (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3120560A (en) * 1961-03-14 1964-02-04 Goodyear Tire Cie purification of bis beta hydroxyethyl terephtalate
US3239556A (en) * 1962-11-28 1966-03-08 Du Pont Purification of hydroxyethyl terephthalate
GB1134949A (en) * 1965-05-14 1968-11-27 Sumitomo Chemical Co Method for treating crude bis--ß-hydroxyethyl terephthalate

Also Published As

Publication number Publication date
CH329716A (de) 1958-05-15
DE963332C (de) 1957-05-09
GB760027A (en) 1956-10-31
BE533453A (fr) 1958-04-25
FR1149661A (fr) 1957-12-30

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