JPS5391996A - Method of quality control of polyester - Google Patents

Method of quality control of polyester

Info

Publication number
JPS5391996A
JPS5391996A JP664877A JP664877A JPS5391996A JP S5391996 A JPS5391996 A JP S5391996A JP 664877 A JP664877 A JP 664877A JP 664877 A JP664877 A JP 664877A JP S5391996 A JPS5391996 A JP S5391996A
Authority
JP
Japan
Prior art keywords
polyester
quality control
esterification
fed
maintaining
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
JP664877A
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 JP664877A priority Critical patent/JPS5391996A/en
Publication of JPS5391996A publication Critical patent/JPS5391996A/en
Pending legal-status Critical Current

Links

Landscapes

  • Polyesters Or Polycarbonates (AREA)

Abstract

PURPOSE: One batch amount of esterification products from terephthalic acid and ethylene glycol is fed from the esterification process to the polymerization process every prescribed hours, thus maintaining the diethylene glycol content in polyester at constant level.
COPYRIGHT: (C)1978,JPO&Japio
JP664877A 1977-01-24 1977-01-24 Method of quality control of polyester Pending JPS5391996A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP664877A JPS5391996A (en) 1977-01-24 1977-01-24 Method of quality control of polyester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP664877A JPS5391996A (en) 1977-01-24 1977-01-24 Method of quality control of polyester

Publications (1)

Publication Number Publication Date
JPS5391996A true JPS5391996A (en) 1978-08-12

Family

ID=11644189

Family Applications (1)

Application Number Title Priority Date Filing Date
JP664877A Pending JPS5391996A (en) 1977-01-24 1977-01-24 Method of quality control of polyester

Country Status (1)

Country Link
JP (1) JPS5391996A (en)

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