ATE182601T1 - Verfahren zur aufarbeitung von dihydroxyverbindungen enthaltenden rückständen - Google Patents
Verfahren zur aufarbeitung von dihydroxyverbindungen enthaltenden rückständenInfo
- Publication number
- ATE182601T1 ATE182601T1 AT96907364T AT96907364T ATE182601T1 AT E182601 T1 ATE182601 T1 AT E182601T1 AT 96907364 T AT96907364 T AT 96907364T AT 96907364 T AT96907364 T AT 96907364T AT E182601 T1 ATE182601 T1 AT E182601T1
- Authority
- AT
- Austria
- Prior art keywords
- vapors
- pct
- column
- dihydroxy compound
- date sep
- Prior art date
Links
- 150000001875 compounds Chemical class 0.000 title abstract 5
- 238000000034 method Methods 0.000 title abstract 4
- 239000000047 product Substances 0.000 abstract 3
- 238000009835 boiling Methods 0.000 abstract 2
- 239000000470 constituent Substances 0.000 abstract 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 230000032050 esterification Effects 0.000 abstract 1
- 238000005886 esterification reaction Methods 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- 229920000728 polyester Polymers 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 239000007858 starting material Substances 0.000 abstract 1
Classifications
-
- 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
-
- 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
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19509957A DE19509957A1 (de) | 1995-03-18 | 1995-03-18 | Verfahren zur Aufarbeitung von Dihydroxyverbindungen enthaltenden Rückständen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE182601T1 true ATE182601T1 (de) | 1999-08-15 |
Family
ID=7757101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT96907364T ATE182601T1 (de) | 1995-03-18 | 1996-03-06 | Verfahren zur aufarbeitung von dihydroxyverbindungen enthaltenden rückständen |
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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5128197A (en) * | 1974-09-03 | 1976-03-09 | Mitsubishi Chem Ind | Horiesuteruno seizohoho |
| US4110316A (en) | 1977-04-14 | 1978-08-29 | E. I. Du Pont De Nemours And Company | Improved process for preparing poly(ethylene terephthalate) |
| US4254246A (en) * | 1979-03-26 | 1981-03-03 | Davy International Ag | Column system process for polyester plants |
| 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 |
-
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
Also Published As
| Publication number | Publication date |
|---|---|
| EP0815157A1 (de) | 1998-01-07 |
| CN1179165A (zh) | 1998-04-15 |
| DE19509957A1 (de) | 1996-09-19 |
| CN1074774C (zh) | 2001-11-14 |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO1997032915A3 (de) | Verfahren zur aufarbeitung von dihydroxyverbindungen enthaltenden rückständen | |
| ATE165081T1 (de) | Verfahren zur gewinnung von leichten wertprodukten aus den destillationsrückständen der verfahren zur herstellung von acrylsäure und ihren estern | |
| DE3789377D1 (de) | Verfahren zur Herstellung von Polyestern durch Fermentation, Verfahren zur Herstellung von optisch-aktiven Karbonsäuren und -estern, und Polyester enthaltende Produkte. | |
| DE69817726D1 (de) | Verfahren zur kontinuierlichen herstellung von polyestern | |
| DE69415686D1 (de) | Verfahren zum trennen von cyclohexandimethylol und dimethylterephthalate | |
| ATE146519T1 (de) | Verfahren zur herstellung von fettsäurealkylestern | |
| ATE334156T1 (de) | Verfahren zur herstellung von isosorbid enthaltenden poyestern | |
| EP0435364A3 (en) | Process for refining organic-solvent containing crude polyol fatty-acid polyester products | |
| BR9406886A (pt) | Processo para efetuar a despolimerização de poliésteres com o objetivo de recuperar o acido dicarbixilico e o diol constituintes dos poliesteres e processo para a produção de um acido dicarboxilico | |
| DE59608647D1 (de) | Verfahren zur kontinuierlichen herstellung von thermoplastischen polyestern | |
| EP1217023A4 (en) | METHOD FOR PRODUCING OLEFIN RESIN | |
| ATE182601T1 (de) | Verfahren zur aufarbeitung von dihydroxyverbindungen enthaltenden rückständen | |
| ATE132126T1 (de) | Verfahren zur herstellung von di- trimethylolpropan | |
| ATE143664T1 (de) | Verfahren zur raffinierung von seife enthaltendem rohprodukt aus einem polyol-fettsäure- veresterungsgemisch | |
| AU629951B2 (en) | Process for purifying products containing esters of a non-reducing sugar and one or more fatty acids | |
| GB2336365B (en) | Woolgrease | |
| DE58901685D1 (de) | Verfahren zur herstellung von hochsiedenden acrylaten bzw. methacrylaten. | |
| ATE270690T1 (de) | Verfahren zur wiedergewinnung von polyestern oder polyestergemischen | |
| KR960031504A (ko) | 디히드록시 화합물을 함유하는 잔류물을 처리하는 방법 | |
| ATE142189T1 (de) | Verfahren zur zentrifugalentfernung von anorganischen verbindungen aus rückständen der glykolrückgewinnung aus polyestern | |
| DE60028530D1 (de) | Ein verfahren zur entfernung von titanoxid und roteisen von den depolymerisationsprodukten, die man durch glycolyse von polyestern, die titanoxid oder roteisen enthalten, mit ethylenglykol erhält | |
| DE69601777D1 (de) | Verfahren zur Entfernung von Titan- oder Vanadiumalkoxid aus flüssigen Kohlenwasserstoffmischungen | |
| ATE144491T1 (de) | Verfahren zur rückgewinnung von ethylenglykol aus polyethylenterephthalatherstellung | |
| ATE207456T1 (de) | Verfahren zur rückgewinnung von produkten enthalten in den schwer-nebenprodukten aus ihrer herstellung | |
| BG100794A (en) | Method for the treatment of residues from the raw ester distillation in the production of dimethylterephthalate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| REN | Ceased due to non-payment of the annual fee |