JPS53106794A - Treatment of polyester by-product - Google Patents

Treatment of polyester by-product

Info

Publication number
JPS53106794A
JPS53106794A JP2179877A JP2179877A JPS53106794A JP S53106794 A JPS53106794 A JP S53106794A JP 2179877 A JP2179877 A JP 2179877A JP 2179877 A JP2179877 A JP 2179877A JP S53106794 A JPS53106794 A JP S53106794A
Authority
JP
Japan
Prior art keywords
polyester
product
treatment
preparation
acetal
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
JP2179877A
Other languages
Japanese (ja)
Inventor
Shunichi Takashima
Hiroshi Terada
Susumu Shirai
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 Rayon Co Ltd
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 JP2179877A priority Critical patent/JPS53106794A/en
Publication of JPS53106794A publication Critical patent/JPS53106794A/en
Pending legal-status Critical Current

Links

Landscapes

  • Polyesters Or Polycarbonates (AREA)
  • Gas Separation By Absorption (AREA)

Abstract

PURPOSE: To separate efficiently a low boiling by-product produced in the preparation of a polyester, particularly in the preparation thereof by direct esterification, by treating the distilled vapor with an aqueous solution containing an acetal.
COPYRIGHT: (C)1978,JPO&Japio
JP2179877A 1977-03-01 1977-03-01 Treatment of polyester by-product Pending JPS53106794A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2179877A JPS53106794A (en) 1977-03-01 1977-03-01 Treatment of polyester by-product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2179877A JPS53106794A (en) 1977-03-01 1977-03-01 Treatment of polyester by-product

Publications (1)

Publication Number Publication Date
JPS53106794A true JPS53106794A (en) 1978-09-18

Family

ID=12065061

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2179877A Pending JPS53106794A (en) 1977-03-01 1977-03-01 Treatment of polyester by-product

Country Status (1)

Country Link
JP (1) JPS53106794A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2157115A1 (en) * 2008-08-18 2010-02-24 Lurgi Zimmer GmbH Device and method for regaining ethylene glycol when producing polyethylene terephthalate

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2157115A1 (en) * 2008-08-18 2010-02-24 Lurgi Zimmer GmbH Device and method for regaining ethylene glycol when producing polyethylene terephthalate
WO2010020442A1 (en) * 2008-08-18 2010-02-25 Lurgi Zimmer Gmbh Method and device for the recovery of ethylene glycol for the production of polyethylene terephthalate
DE102008044440B4 (en) * 2008-08-18 2011-03-03 Lurgi Zimmer Gmbh Process and apparatus for the recovery of ethylene glycol in polyethylene terephthalate production
US7951980B2 (en) 2008-08-18 2011-05-31 Lurgi Zimmer Gmbh Process and apparatus for the recovery of ethylene glycol in the production of polyethylene terephthalate

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