JPS53106794A - Treatment of polyester by-product - Google Patents
Treatment of polyester by-productInfo
- 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
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
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)
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 |
-
1977
- 1977-03-01 JP JP2179877A patent/JPS53106794A/en active Pending
Cited By (4)
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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