JPS53130795A - Preparation of polyester - Google Patents

Preparation of polyester

Info

Publication number
JPS53130795A
JPS53130795A JP4451577A JP4451577A JPS53130795A JP S53130795 A JPS53130795 A JP S53130795A JP 4451577 A JP4451577 A JP 4451577A JP 4451577 A JP4451577 A JP 4451577A JP S53130795 A JPS53130795 A JP S53130795A
Authority
JP
Japan
Prior art keywords
polyester
preparation
germanium
transparency
improve
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
JP4451577A
Other languages
Japanese (ja)
Other versions
JPS611450B2 (en
Inventor
Satoshi Hashimoto
Haruo Mizushima
Tetsuo Miki
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 JP4451577A priority Critical patent/JPS53130795A/en
Publication of JPS53130795A publication Critical patent/JPS53130795A/en
Publication of JPS611450B2 publication Critical patent/JPS611450B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Polyesters Or Polycarbonates (AREA)

Abstract

PURPOSE: To prevent discoloration and improve the transparency of polyethylene terephthalate, by the use of a germanium and a titanium compounds as polycondensation catalysts in a specific proportion in the presence of a specific amount of a cobalt compound.
COPYRIGHT: (C)1978,JPO&Japio
JP4451577A 1977-04-20 1977-04-20 Preparation of polyester Granted JPS53130795A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4451577A JPS53130795A (en) 1977-04-20 1977-04-20 Preparation of polyester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4451577A JPS53130795A (en) 1977-04-20 1977-04-20 Preparation of polyester

Publications (2)

Publication Number Publication Date
JPS53130795A true JPS53130795A (en) 1978-11-15
JPS611450B2 JPS611450B2 (en) 1986-01-17

Family

ID=12693673

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4451577A Granted JPS53130795A (en) 1977-04-20 1977-04-20 Preparation of polyester

Country Status (1)

Country Link
JP (1) JPS53130795A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014152250A (en) * 2013-02-08 2014-08-25 Lotte Chemical Corp Composition for production of thermoplastic polyester resin which uses environment-friendly catalyst and polyester resin produced by using the same

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS492352A (en) * 1972-04-25 1974-01-10
JPS497356A (en) * 1972-03-23 1974-01-23
JPS50121393A (en) * 1974-03-11 1975-09-23
JPS51595A (en) * 1974-06-22 1976-01-06 Toray Industries Horiesuteruno seizohoho
JPS5146394A (en) * 1974-10-17 1976-04-20 Teijin Ltd HORIESUTERUNOSEIZOHOHO
JPS51124193A (en) * 1975-04-22 1976-10-29 Toyobo Co Ltd A method for preparing a polyester

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS497356A (en) * 1972-03-23 1974-01-23
JPS492352A (en) * 1972-04-25 1974-01-10
JPS50121393A (en) * 1974-03-11 1975-09-23
JPS51595A (en) * 1974-06-22 1976-01-06 Toray Industries Horiesuteruno seizohoho
JPS5146394A (en) * 1974-10-17 1976-04-20 Teijin Ltd HORIESUTERUNOSEIZOHOHO
JPS51124193A (en) * 1975-04-22 1976-10-29 Toyobo Co Ltd A method for preparing a polyester

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014152250A (en) * 2013-02-08 2014-08-25 Lotte Chemical Corp Composition for production of thermoplastic polyester resin which uses environment-friendly catalyst and polyester resin produced by using the same

Also Published As

Publication number Publication date
JPS611450B2 (en) 1986-01-17

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