AR031918A1 - Procedimiento para la fabricacion continua de poliesteres o copoliesteres - Google Patents
Procedimiento para la fabricacion continua de poliesteres o copoliesteresInfo
- Publication number
- AR031918A1 AR031918A1 ARP010105821A ARP010105821A AR031918A1 AR 031918 A1 AR031918 A1 AR 031918A1 AR P010105821 A ARP010105821 A AR P010105821A AR P010105821 A ARP010105821 A AR P010105821A AR 031918 A1 AR031918 A1 AR 031918A1
- Authority
- AR
- Argentina
- Prior art keywords
- reaction pressure
- stage
- pressure
- separation column
- reaction
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
En el caso de un procedimiento para la fabricacion de poliésteres y copoliésteres se realiza una esterificacion continua de ésteres de ácidos dicarbonicos y dioles o una transesterificacion continua de ésteres de ácido dicarbonico con dioles en n etapas de presion de reaccion conectadas una detrás de otra, donde la presion, imperante en la primera etapa de presion de reaccion y superior con respecto a las demás etapas de presion de reaccion, disminuye sucesivamente de etapa de presion de reaccion a etapa de presion de reaccion, las corrientes de vapores de cada etapa de presion de reaccion se rectifican unidas en una columna de separacion, y el componente diol resultante en el fondo de la columna de separacion, retorna al menos a la primera etapa de presion de reaccion. Para la reduccion de los gastos por concepto de la técnica del procedimiento se ha previsto que al menos la ultima etapa de presion de reaccion presente una depresion, la presion en la columna de separacion sea mayor que en la ultima etapa de presion de reaccion y los vapores que salen de la ultima etapa de presion de reaccion, se comprimen hasta la presion imperante en la columna de separacion.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10064361 | 2000-12-21 | ||
DE10127147A DE10127147A1 (de) | 2000-12-21 | 2001-06-02 | Verfahren zur kontinuierlichen Herstellung von Polyestern oder Copolyestern |
Publications (1)
Publication Number | Publication Date |
---|---|
AR031918A1 true AR031918A1 (es) | 2003-10-08 |
Family
ID=26008040
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP010105821A AR031918A1 (es) | 2000-12-21 | 2001-12-14 | Procedimiento para la fabricacion continua de poliesteres o copoliesteres |
Country Status (10)
Country | Link |
---|---|
US (1) | US7153927B2 (es) |
EP (1) | EP1345980B1 (es) |
CN (1) | CN1227282C (es) |
AR (1) | AR031918A1 (es) |
AT (1) | ATE296324T1 (es) |
AU (1) | AU2002219145A1 (es) |
EA (1) | EA005296B1 (es) |
ES (1) | ES2243399T3 (es) |
TW (1) | TW555782B (es) |
WO (1) | WO2002050159A1 (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1820814B1 (de) * | 2006-01-24 | 2007-08-29 | Lurgi Zimmer GmbH | Verfahren zur Veresterung von Terephthalsäure mit Butandiol, Verfahren zur Herstellung von Polybutylenterephthalat und Vorrichtung dafür |
DE102007050929B4 (de) * | 2007-10-23 | 2012-10-25 | Lurgi Zimmer Gmbh | Verfahren und Vorrichtung zur Erzeugung von Vakuum bei der Herstellung von Polyestern und Copolyestern |
KR102325729B1 (ko) | 2018-11-28 | 2021-11-15 | 주식회사 엘지화학 | 가압 구간을 포함하는 테레프탈레이트계 조성물의 제조방법 |
KR20220067352A (ko) * | 2020-11-17 | 2022-05-24 | 주식회사 엘지화학 | 디에스터계 물질의 제조방법 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3819585A (en) * | 1971-09-30 | 1974-06-25 | Monsanto Co | Polyester esterification under two different pressures |
US4077945A (en) * | 1974-03-23 | 1978-03-07 | Zimmer Aktiengesellschaft | Process for making linear polyesters from ethylene glycol and terephthalic acid |
US4670580A (en) | 1986-03-31 | 1987-06-02 | Celanese Corporation | Process for preparing oligomeric glycol esters of dicarboxylic acids |
ATE41668T1 (de) | 1986-04-29 | 1989-04-15 | Fischer Karl Ind Gmbh | Verfahren und vorrichtung zur herstellung hochmolekularer polyester. |
US5270444A (en) * | 1989-03-31 | 1993-12-14 | Mitsui Petrochemical Industries, Ltd. | Process for treatment of polyethylene terephthalate, polyethylene terephthalate for molding purposes and process for preparation thereof |
DE4419397A1 (de) | 1994-06-03 | 1995-12-14 | Zimmer Ag | Verfahren zur mehrstufigen Vakuumerzeugung bei der Polyester-Herstellung |
US5466765A (en) * | 1995-03-09 | 1995-11-14 | Eastman Chemical Company | Vaccum system for controlling pressure in a polyester process |
JPH09124783A (ja) * | 1995-10-31 | 1997-05-13 | Toray Ind Inc | ポリエステルの製造法 |
DE69905856T2 (de) * | 1999-04-22 | 2003-12-18 | Zimmer Ag | Verfahren zur Herstellung von Polytrimethylenterephthalat (PTT) |
US6277947B1 (en) | 2000-04-21 | 2001-08-21 | Shell Oil Company | Process of producing polytrimethylene terephthalate (PTT) |
-
2001
- 2001-11-27 US US10/451,292 patent/US7153927B2/en not_active Expired - Fee Related
- 2001-11-27 WO PCT/EP2001/013776 patent/WO2002050159A1/de not_active Application Discontinuation
- 2001-11-27 AT AT01271410T patent/ATE296324T1/de not_active IP Right Cessation
- 2001-11-27 AU AU2002219145A patent/AU2002219145A1/en not_active Abandoned
- 2001-11-27 EP EP01271410A patent/EP1345980B1/de not_active Expired - Lifetime
- 2001-11-27 CN CNB018197795A patent/CN1227282C/zh not_active Expired - Fee Related
- 2001-11-27 EA EA200300645A patent/EA005296B1/ru not_active IP Right Cessation
- 2001-11-27 ES ES01271410T patent/ES2243399T3/es not_active Expired - Lifetime
- 2001-12-14 AR ARP010105821A patent/AR031918A1/es active IP Right Grant
- 2001-12-17 TW TW090131216A patent/TW555782B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1345980A1 (de) | 2003-09-24 |
EP1345980B1 (de) | 2005-05-25 |
WO2002050159A9 (de) | 2004-05-06 |
ES2243399T3 (es) | 2005-12-01 |
CN1227282C (zh) | 2005-11-16 |
CN1478115A (zh) | 2004-02-25 |
AU2002219145A1 (en) | 2002-07-01 |
TW555782B (en) | 2003-10-01 |
ATE296324T1 (de) | 2005-06-15 |
US7153927B2 (en) | 2006-12-26 |
EA200300645A1 (ru) | 2003-12-25 |
WO2002050159A1 (de) | 2002-06-27 |
US20040106746A1 (en) | 2004-06-03 |
EA005296B1 (ru) | 2004-12-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Grant, registration |