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JPS53121094A - Production of polyester - Google Patents

Production of polyester

Info

Publication number
JPS53121094A
JPS53121094A JP3648877A JP3648877A JPS53121094A JP S53121094 A JPS53121094 A JP S53121094A JP 3648877 A JP3648877 A JP 3648877A JP 3648877 A JP3648877 A JP 3648877A JP S53121094 A JPS53121094 A JP S53121094A
Authority
JP
Japan
Prior art keywords
polyester
production
quality
ethylene glycol
terephthalic acid
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.)
Pending
Application number
JP3648877A
Other languages
Japanese (ja)
Inventor
Shunichi Takashima
Hiroshi Terada
Hideo Naruoka
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.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Rayon Co 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 Mitsubishi Rayon Co Ltd filed Critical Mitsubishi Rayon Co Ltd
Priority to JP3648877A priority Critical patent/JPS53121094A/en
Publication of JPS53121094A publication Critical patent/JPS53121094A/en
Pending legal-status Critical Current

Links

Landscapes

  • Polyesters Or Polycarbonates (AREA)

Abstract

PURPOSE: In the batchwise polymerization of continuously esterified terephthalic acid, the quality of polyester is maintained consistently by adding or removing temporarily ethylene glycol.
COPYRIGHT: (C)1978,JPO&Japio
JP3648877A 1977-03-31 1977-03-31 Production of polyester Pending JPS53121094A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3648877A JPS53121094A (en) 1977-03-31 1977-03-31 Production of polyester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3648877A JPS53121094A (en) 1977-03-31 1977-03-31 Production of polyester

Publications (1)

Publication Number Publication Date
JPS53121094A true JPS53121094A (en) 1978-10-23

Family

ID=12471200

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3648877A Pending JPS53121094A (en) 1977-03-31 1977-03-31 Production of polyester

Country Status (1)

Country Link
JP (1) JPS53121094A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5628669U (en) * 1979-08-09 1981-03-18

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5628669U (en) * 1979-08-09 1981-03-18

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