GB1334624A - Process for the continuous transesterification of dialkyl esters of aromatic dicarboxylic acids with diols - Google Patents
Process for the continuous transesterification of dialkyl esters of aromatic dicarboxylic acids with diolsInfo
- Publication number
- GB1334624A GB1334624A GB2428771*A GB2428771A GB1334624A GB 1334624 A GB1334624 A GB 1334624A GB 2428771 A GB2428771 A GB 2428771A GB 1334624 A GB1334624 A GB 1334624A
- Authority
- GB
- United Kingdom
- Prior art keywords
- zones
- diols
- dicarboxylic acids
- aromatic dicarboxylic
- dialkyl esters
- 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
Links
- 238000005809 transesterification reaction Methods 0.000 title abstract 4
- -1 aromatic dicarboxylic acids Chemical class 0.000 title abstract 3
- 150000002009 diols Chemical class 0.000 title abstract 3
- 150000002148 esters Chemical class 0.000 title abstract 3
- 238000000034 method Methods 0.000 title 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract 3
- 238000006243 chemical reaction Methods 0.000 abstract 2
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 abstract 2
- 239000011541 reaction mixture Substances 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/03—Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702012807 DE2012807A1 (de) | 1970-03-18 | 1970-03-18 | Verfahren und Vorrichtung zur kontinu lerlichen Umesterung von Dialkylestern aro matischer Dicarbonsäuren mit Diolen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1334624A true GB1334624A (en) | 1973-10-24 |
Family
ID=5765428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2428771*A Expired GB1334624A (en) | 1970-03-18 | 1971-04-19 | Process for the continuous transesterification of dialkyl esters of aromatic dicarboxylic acids with diols |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | UST896030I4 (enExample) |
| BE (1) | BE764486A (enExample) |
| DE (1) | DE2012807A1 (enExample) |
| FR (1) | FR2084465A5 (enExample) |
| GB (1) | GB1334624A (enExample) |
| NL (1) | NL7103434A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111943872A (zh) * | 2019-05-17 | 2020-11-17 | 北京芯友工程技术有限公司 | 一种催化反应精馏合成高酯交换率间苯二甲酸双羟乙酯-5-磺酸钠的连续工艺和装置 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2514116C3 (de) * | 1975-03-29 | 1983-03-17 | Basf Ag, 6700 Ludwigshafen | Verfahren zur kontinuierlichen Herstellung von linearen, hochmolekularen Polybutylenterephthalaten |
| US5744650A (en) * | 1995-12-06 | 1998-04-28 | Union Carbide Chemicals & Plastics Technology Corporation | Metal-Ligand complex catalyzed processes |
-
1970
- 1970-03-18 DE DE19702012807 patent/DE2012807A1/de active Pending
-
1971
- 1971-03-08 US US896030D patent/UST896030I4/en active Pending
- 1971-03-11 FR FR7108419A patent/FR2084465A5/fr not_active Expired
- 1971-03-15 NL NL7103434A patent/NL7103434A/xx unknown
- 1971-03-18 BE BE764486A patent/BE764486A/xx unknown
- 1971-04-19 GB GB2428771*A patent/GB1334624A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111943872A (zh) * | 2019-05-17 | 2020-11-17 | 北京芯友工程技术有限公司 | 一种催化反应精馏合成高酯交换率间苯二甲酸双羟乙酯-5-磺酸钠的连续工艺和装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2012807A1 (de) | 1971-10-07 |
| UST896030I4 (en) | 1972-03-14 |
| NL7103434A (enExample) | 1971-09-21 |
| FR2084465A5 (enExample) | 1971-12-17 |
| BE764486A (fr) | 1971-08-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |