ES457040A1 - Un procedimiento continuo mejorado para preparar un oiligo- mero de poliester. - Google Patents
Un procedimiento continuo mejorado para preparar un oiligo- mero de poliester.Info
- Publication number
- ES457040A1 ES457040A1 ES457040A ES457040A ES457040A1 ES 457040 A1 ES457040 A1 ES 457040A1 ES 457040 A ES457040 A ES 457040A ES 457040 A ES457040 A ES 457040A ES 457040 A1 ES457040 A1 ES 457040A1
- Authority
- ES
- Spain
- Prior art keywords
- preparation
- high purity
- esterification
- purity polyester
- polyester
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Un procedimiento continuo mejorado para preparar un oligómero de poliéster en que se esterifica un ácido bicarboxílico con glicol alquilénico en un proceso de esterificación de dos etapas, comprendiendo la mejora llevar a cabo una esterificación de primera etapa en presencia de un catalizador esterificación a una presión aproximadamente atmosférica.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66942276A | 1976-03-22 | 1976-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES457040A1 true ES457040A1 (es) | 1978-08-16 |
Family
ID=24686275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES457040A Expired ES457040A1 (es) | 1976-03-22 | 1977-03-21 | Un procedimiento continuo mejorado para preparar un oiligo- mero de poliester. |
Country Status (6)
| Country | Link |
|---|---|
| DE (1) | DE2711331A1 (es) |
| ES (1) | ES457040A1 (es) |
| FR (1) | FR2345473A1 (es) |
| GB (1) | GB1515258A (es) |
| MX (1) | MX147496A (es) |
| NL (1) | NL7703084A (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5154841A (en) * | 1988-12-21 | 1992-10-13 | The Procter & Gamble Company | Process for preparing substituted imidazoline fabric conditioning compounds |
| DE19929791A1 (de) | 1999-06-29 | 2001-02-01 | Basf Ag | Verfahren zur kontinuierlichen Herstellung von Polybutylenterephthalat aus Terephthalsäure und Butandiol |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5534822B2 (es) * | 1972-07-14 | 1980-09-09 | ||
| GB1445034A (en) * | 1974-01-25 | 1976-08-04 | Monsanto Co | Continuous production of polyesters |
| JPS5219633A (en) * | 1975-08-04 | 1977-02-15 | Mitsubishi Rayon Co Ltd | Process of esterification |
-
1977
- 1977-03-10 GB GB1014177A patent/GB1515258A/en not_active Expired
- 1977-03-16 DE DE19772711331 patent/DE2711331A1/de not_active Withdrawn
- 1977-03-18 MX MX16842477A patent/MX147496A/es unknown
- 1977-03-21 FR FR7708434A patent/FR2345473A1/fr not_active Withdrawn
- 1977-03-21 ES ES457040A patent/ES457040A1/es not_active Expired
- 1977-03-22 NL NL7703084A patent/NL7703084A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| NL7703084A (nl) | 1977-09-26 |
| DE2711331A1 (de) | 1977-10-06 |
| GB1515258A (en) | 1978-06-21 |
| MX147496A (es) | 1982-12-10 |
| FR2345473A1 (fr) | 1977-10-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES454282A1 (es) | Procedimiento de obtencion de tereftalato de dimetilo. | |
| ES446341A1 (es) | Procedimiento para la preparacion de alquilencarbonatos. | |
| CA1019326A (en) | Process for the production of alkylene glycol alginates | |
| IT1039575B (it) | Procedimento per proudurre acido acetico da etilene | |
| JPS5432409A (en) | Preparation of ciol and cyclic ether | |
| ES457040A1 (es) | Un procedimiento continuo mejorado para preparar un oiligo- mero de poliester. | |
| ES450363A1 (es) | Procedimiento para preparar esteres de alquilenglicol. | |
| JPS5283424A (en) | Esterification process | |
| IT7923608A0 (it) | Combinazione di esteri di acidi ossicarbossilici alifatici mono ebabisici con antiossidanti, come deodorante. | |
| JPS5251495A (en) | A continuous process for preparing polyester | |
| JPS51138614A (en) | Process for preparation of formic acid and its este r | |
| JPS5271432A (en) | Cntinuus feeding of terephthalic acid and alkylene gylcol | |
| GB1483404A (en) | Production of glycol monoesters of alpha,beta-unsaturated carboxylic acid | |
| OA04642A (fr) | Procédé de préparation de céphalosporine-sul-fonates (esters). | |
| ES461573A1 (es) | Procedimiento para la obtencion de esteres carboxilicos de 1,2-dioles. | |
| JPS5351294A (en) | Preparation of polyester | |
| JPS52142035A (en) | Process for ester interchange reaction | |
| ES444541A1 (es) | Procedimiento para la preparacion de esteres de acido 1,4- naftalendicarboxilico. | |
| ES417893A1 (es) | Procedimiento para la obtencion de esteres de du-alfa-toco-fero. | |
| JPS5249292A (en) | Process for preparing polyesters | |
| JPS5314796A (en) | Preparation of polyester | |
| JPS5419928A (en) | Esterification | |
| JPS52140595A (en) | Polyester compounds | |
| JPS51133226A (en) | Process for preparation of 1,12-dodecane dicarboxylic acid diesters | |
| JPS5239644A (en) | An esterification process |