JPS61130336A - ポリエステル重合装置 - Google Patents

ポリエステル重合装置

Info

Publication number
JPS61130336A
JPS61130336A JP25189784A JP25189784A JPS61130336A JP S61130336 A JPS61130336 A JP S61130336A JP 25189784 A JP25189784 A JP 25189784A JP 25189784 A JP25189784 A JP 25189784A JP S61130336 A JPS61130336 A JP S61130336A
Authority
JP
Japan
Prior art keywords
polymerization
vacuum pump
ethylene glycol
liquid ring
liquid
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
JP25189784A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0553814B2 (https=
Inventor
Kenji Kaneshige
兼重　憲嗣
Katsuhisa Yamanaka
山中　克久
Keishin Furukawa
古川　敬信
Hirohiko Shindo
進藤　博彦
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.)
Hitachi Ltd
Toyobo Co Ltd
Original Assignee
Hitachi Ltd
Toyobo 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 Hitachi Ltd, Toyobo Co Ltd filed Critical Hitachi Ltd
Priority to JP25189784A priority Critical patent/JPS61130336A/ja
Publication of JPS61130336A publication Critical patent/JPS61130336A/ja
Publication of JPH0553814B2 publication Critical patent/JPH0553814B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Polyesters Or Polycarbonates (AREA)
JP25189784A 1984-11-30 1984-11-30 ポリエステル重合装置 Granted JPS61130336A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25189784A JPS61130336A (ja) 1984-11-30 1984-11-30 ポリエステル重合装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25189784A JPS61130336A (ja) 1984-11-30 1984-11-30 ポリエステル重合装置

Publications (2)

Publication Number Publication Date
JPS61130336A true JPS61130336A (ja) 1986-06-18
JPH0553814B2 JPH0553814B2 (https=) 1993-08-11

Family

ID=17229575

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25189784A Granted JPS61130336A (ja) 1984-11-30 1984-11-30 ポリエステル重合装置

Country Status (1)

Country Link
JP (1) JPS61130336A (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996028246A1 (en) * 1995-03-09 1996-09-19 Eastman Chemical Company Vacuum system for controlling pressure in a polyester process
JP2007238496A (ja) * 2006-03-08 2007-09-20 Hitachi Ltd ポリヒドロキシカルボン酸の合成方法及びそれに用いるポリヒドロキシカルボン酸合成装置
CN107398696A (zh) * 2017-09-13 2017-11-28 平顶山神马工程塑料有限责任公司 一种聚合釜机封更换方法及更换改进系统

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996028246A1 (en) * 1995-03-09 1996-09-19 Eastman Chemical Company Vacuum system for controlling pressure in a polyester process
US5753190A (en) * 1995-03-09 1998-05-19 Eastman Chemical Company Vacuum system for controlling pressure in a polyester process
AU692684B2 (en) * 1995-03-09 1998-06-11 Eastman Chemical Company Vacuum system for controlling pressure in a polyester process
JP2007238496A (ja) * 2006-03-08 2007-09-20 Hitachi Ltd ポリヒドロキシカルボン酸の合成方法及びそれに用いるポリヒドロキシカルボン酸合成装置
CN107398696A (zh) * 2017-09-13 2017-11-28 平顶山神马工程塑料有限责任公司 一种聚合釜机封更换方法及更换改进系统

Also Published As

Publication number Publication date
JPH0553814B2 (https=) 1993-08-11

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