CN1074774C - 含二羟基化合物的剩余物的处理方法 - Google Patents
含二羟基化合物的剩余物的处理方法 Download PDFInfo
- Publication number
- CN1074774C CN1074774C CN96192652A CN96192652A CN1074774C CN 1074774 C CN1074774 C CN 1074774C CN 96192652 A CN96192652 A CN 96192652A CN 96192652 A CN96192652 A CN 96192652A CN 1074774 C CN1074774 C CN 1074774C
- Authority
- CN
- China
- Prior art keywords
- column
- vapors
- product
- dihydroxy compound
- dihydroxy compounds
- 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.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/88—Separation; Purification; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification of at least one compound
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Polyesters Or Polycarbonates (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19509957A DE19509957A1 (de) | 1995-03-18 | 1995-03-18 | Verfahren zur Aufarbeitung von Dihydroxyverbindungen enthaltenden Rückständen |
| DE19509957.5 | 1995-03-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1179165A CN1179165A (zh) | 1998-04-15 |
| CN1074774C true CN1074774C (zh) | 2001-11-14 |
Family
ID=7757101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96192652A Expired - Fee Related CN1074774C (zh) | 1995-03-18 | 1996-03-06 | 含二羟基化合物的剩余物的处理方法 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5789500A (https=) |
| EP (1) | EP0815157B1 (https=) |
| JP (1) | JP3424755B2 (https=) |
| KR (1) | KR100379796B1 (https=) |
| CN (1) | CN1074774C (https=) |
| AT (1) | ATE182601T1 (https=) |
| DE (2) | DE19509957A1 (https=) |
| ES (1) | ES2135882T3 (https=) |
| TW (1) | TW323290B (https=) |
| WO (1) | WO1996029358A1 (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19608614A1 (de) * | 1996-03-06 | 1997-09-11 | Basf Ag | Verfahren zur Aufarbeitung von Dihydroxyverbindungen enthaltenden Rückständen |
| DE19929791A1 (de) * | 1999-06-29 | 2001-02-01 | Basf Ag | Verfahren zur kontinuierlichen Herstellung von Polybutylenterephthalat aus Terephthalsäure und Butandiol |
| DE10125678B4 (de) * | 2001-05-25 | 2011-04-14 | Lurgi Zimmer Gmbh | Verfahren und Vorrichtung zur Herstellung von Polyethylenterephthalat |
| DE10125677B4 (de) * | 2001-05-25 | 2013-05-16 | Lurgi Zimmer Gmbh | Verfahren und Vorrichtung zur Herstellung von Polytrimethylenterephthalat |
| DE102005053858A1 (de) * | 2005-11-11 | 2007-05-16 | Coperion Waeschle Gmbh & Co Kg | Verfahren und Vorrichtung zur Herstellung von Polyester |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4110316A (en) * | 1977-04-14 | 1978-08-29 | E. I. Du Pont De Nemours And Company | Improved process for preparing poly(ethylene terephthalate) |
| GB2045752A (en) * | 1979-03-26 | 1980-11-05 | Davy International Ag | Recovery of ethylene glycol |
| US4239882A (en) * | 1974-09-03 | 1980-12-16 | Mitsubishi Chemical Industries Ltd. | Process for producing polyester |
| US4499261A (en) * | 1984-02-22 | 1985-02-12 | Davy Mckee Ag | Process for the continuous production of polybutylene terephthalate of high molecular weight |
| US5236558A (en) * | 1982-09-23 | 1993-08-17 | Allied-Signal Inc. | Method to recycle spent ethylene glycol |
-
1995
- 1995-03-18 DE DE19509957A patent/DE19509957A1/de not_active Withdrawn
-
1996
- 1996-03-06 ES ES96907364T patent/ES2135882T3/es not_active Expired - Lifetime
- 1996-03-06 AT AT96907364T patent/ATE182601T1/de not_active IP Right Cessation
- 1996-03-06 WO PCT/EP1996/000940 patent/WO1996029358A1/de not_active Ceased
- 1996-03-06 KR KR1019970706460A patent/KR100379796B1/ko not_active Expired - Fee Related
- 1996-03-06 DE DE59602549T patent/DE59602549D1/de not_active Expired - Lifetime
- 1996-03-06 CN CN96192652A patent/CN1074774C/zh not_active Expired - Fee Related
- 1996-03-06 EP EP96907364A patent/EP0815157B1/de not_active Expired - Lifetime
- 1996-03-06 JP JP52802496A patent/JP3424755B2/ja not_active Expired - Fee Related
- 1996-03-14 TW TW085103047A patent/TW323290B/zh active
-
1997
- 1997-03-06 US US08/894,954 patent/US5789500A/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4239882A (en) * | 1974-09-03 | 1980-12-16 | Mitsubishi Chemical Industries Ltd. | Process for producing polyester |
| US4110316A (en) * | 1977-04-14 | 1978-08-29 | E. I. Du Pont De Nemours And Company | Improved process for preparing poly(ethylene terephthalate) |
| GB2045752A (en) * | 1979-03-26 | 1980-11-05 | Davy International Ag | Recovery of ethylene glycol |
| US5236558A (en) * | 1982-09-23 | 1993-08-17 | Allied-Signal Inc. | Method to recycle spent ethylene glycol |
| US4499261A (en) * | 1984-02-22 | 1985-02-12 | Davy Mckee Ag | Process for the continuous production of polybutylene terephthalate of high molecular weight |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0815157A1 (de) | 1998-01-07 |
| CN1179165A (zh) | 1998-04-15 |
| DE19509957A1 (de) | 1996-09-19 |
| ATE182601T1 (de) | 1999-08-15 |
| ES2135882T3 (es) | 1999-11-01 |
| TW323290B (https=) | 1997-12-21 |
| KR19980703051A (ko) | 1998-09-05 |
| JPH11505551A (ja) | 1999-05-21 |
| US5789500A (en) | 1998-08-04 |
| JP3424755B2 (ja) | 2003-07-07 |
| KR100379796B1 (ko) | 2004-11-16 |
| DE59602549D1 (de) | 1999-09-02 |
| WO1996029358A1 (de) | 1996-09-26 |
| EP0815157B1 (de) | 1999-07-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |