IT1120975B - DISCONTINUOUS PROCEDURE FOR THE DIRECT ESTERIFICATION OF TEREPHTHALIC ACID WITH ETHYLENE GLYCOL - Google Patents

DISCONTINUOUS PROCEDURE FOR THE DIRECT ESTERIFICATION OF TEREPHTHALIC ACID WITH ETHYLENE GLYCOL

Info

Publication number
IT1120975B
IT1120975B IT68139/79A IT6813979A IT1120975B IT 1120975 B IT1120975 B IT 1120975B IT 68139/79 A IT68139/79 A IT 68139/79A IT 6813979 A IT6813979 A IT 6813979A IT 1120975 B IT1120975 B IT 1120975B
Authority
IT
Italy
Prior art keywords
ethylene glycol
terephthalic acid
direct esterification
discontinuous procedure
discontinuous
Prior art date
Application number
IT68139/79A
Other languages
Italian (it)
Other versions
IT7968139A0 (en
Original Assignee
Toray Industries
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 Toray Industries filed Critical Toray Industries
Publication of IT7968139A0 publication Critical patent/IT7968139A0/en
Application granted granted Critical
Publication of IT1120975B publication Critical patent/IT1120975B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
    • C07C69/80—Phthalic acid esters
    • C07C69/82—Terephthalic acid esters
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Treatment Of Sludge (AREA)
IT68139/79A 1978-05-29 1979-05-28 DISCONTINUOUS PROCEDURE FOR THE DIRECT ESTERIFICATION OF TEREPHTHALIC ACID WITH ETHYLENE GLYCOL IT1120975B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6338978A JPS54157535A (en) 1978-05-29 1978-05-29 Batchwise esterification process

Publications (2)

Publication Number Publication Date
IT7968139A0 IT7968139A0 (en) 1979-05-28
IT1120975B true IT1120975B (en) 1986-03-26

Family

ID=13227886

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68139/79A IT1120975B (en) 1978-05-29 1979-05-28 DISCONTINUOUS PROCEDURE FOR THE DIRECT ESTERIFICATION OF TEREPHTHALIC ACID WITH ETHYLENE GLYCOL

Country Status (4)

Country Link
JP (1) JPS54157535A (en)
DE (1) DE2921478A1 (en)
FR (1) FR2427324A1 (en)
IT (1) IT1120975B (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1000045A (en) * 1961-04-17 1965-08-04 Toyo Rayon Co Ltd Method of testing terephthalic acid to be converted into polyethylene terephthalate
US3590072A (en) * 1966-11-18 1971-06-29 Monsanto Co Method for direct esterification of terephthalic acid with ethylene glycol
FR1545012A (en) * 1966-11-18 1968-11-08 Monsanto Co Process for the direct esterification of terephthalic acid with ethylene glycol and product obtained by this process
JPS5479242A (en) * 1977-12-05 1979-06-25 Teijin Ltd Method of esterification

Also Published As

Publication number Publication date
DE2921478A1 (en) 1979-12-13
JPS54157535A (en) 1979-12-12
IT7968139A0 (en) 1979-05-28
FR2427324B1 (en) 1984-05-11
FR2427324A1 (en) 1979-12-28
DE2921478C2 (en) 1989-08-03
JPS6126771B2 (en) 1986-06-21

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970530