JPS5249292A - Process for preparing polyesters - Google Patents

Process for preparing polyesters

Info

Publication number
JPS5249292A
JPS5249292A JP50125335A JP12533575A JPS5249292A JP S5249292 A JPS5249292 A JP S5249292A JP 50125335 A JP50125335 A JP 50125335A JP 12533575 A JP12533575 A JP 12533575A JP S5249292 A JPS5249292 A JP S5249292A
Authority
JP
Japan
Prior art keywords
preparing polyesters
catalyst
specific
polyesters
preparing
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.)
Granted
Application number
JP50125335A
Other languages
Japanese (ja)
Other versions
JPS552216B2 (en
Inventor
Hiroo Inada
Shoji Kawase
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.)
Teijin Ltd
Original Assignee
Teijin 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 Teijin Ltd filed Critical Teijin Ltd
Priority to JP50125335A priority Critical patent/JPS5249292A/en
Publication of JPS5249292A publication Critical patent/JPS5249292A/en
Publication of JPS552216B2 publication Critical patent/JPS552216B2/ja
Granted legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Polyesters Or Polycarbonates (AREA)

Abstract

PURPOSE: To prepare polyesters having good transparency and a good color tone, by the use of a specific catalyst in a process for preparing glycol esters of aromatic dicarboxylic acid and the addition of GeO2 as a polycondensation catalyst at a specific reaction stage in the said process.
COPYRIGHT: (C)1977,JPO&Japio
JP50125335A 1975-10-20 1975-10-20 Process for preparing polyesters Granted JPS5249292A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50125335A JPS5249292A (en) 1975-10-20 1975-10-20 Process for preparing polyesters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50125335A JPS5249292A (en) 1975-10-20 1975-10-20 Process for preparing polyesters

Publications (2)

Publication Number Publication Date
JPS5249292A true JPS5249292A (en) 1977-04-20
JPS552216B2 JPS552216B2 (en) 1980-01-18

Family

ID=14907553

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50125335A Granted JPS5249292A (en) 1975-10-20 1975-10-20 Process for preparing polyesters

Country Status (1)

Country Link
JP (1) JPS5249292A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63286341A (en) * 1987-05-20 1988-11-24 Teijin Ltd Film for electronic photograph
JP2020517797A (en) * 2017-04-26 2020-06-18 サウジ アラビアン オイル カンパニーＳａｕｄｉ Ａｒａｂｉａｎ Ｏｉｌ Ｃｏｍｐａｎｙ System and method for crude oil conversion

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180090145A (en) * 2017-02-02 2018-08-10 삼성에스디아이 주식회사 Battery management system and batterm management method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63286341A (en) * 1987-05-20 1988-11-24 Teijin Ltd Film for electronic photograph
JP2020517797A (en) * 2017-04-26 2020-06-18 サウジ アラビアン オイル カンパニーＳａｕｄｉ Ａｒａｂｉａｎ Ｏｉｌ Ｃｏｍｐａｎｙ System and method for crude oil conversion

Also Published As

Publication number Publication date
JPS552216B2 (en) 1980-01-18

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