MX166774B - Metodo mejorado para producir acrilato de etilo - Google Patents
Metodo mejorado para producir acrilato de etiloInfo
- Publication number
- MX166774B MX166774B MX022854A MX2285490A MX166774B MX 166774 B MX166774 B MX 166774B MX 022854 A MX022854 A MX 022854A MX 2285490 A MX2285490 A MX 2285490A MX 166774 B MX166774 B MX 166774B
- Authority
- MX
- Mexico
- Prior art keywords
- ethyl acrylate
- solvent
- improved method
- acrylic acid
- producing ethyl
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/04—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds
-
- 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)
- Paints Or Removers (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
La presente invención se refiere a un método mejorado para producir acrilato de etilo al hacer reaccionar etileno y ácido acrílico en la presencia de ácido sulfúrico para obtener acrilato de etilo y un residuo de ácido sulfúrico que contiene ácido sulfúrico, sulfato ácido de etilo, sulfato de dietilo, ácido acrílico, acrilato de etilo, poliésteres de ácido acrílico y polímeros de lactona, en donde una primera mezcla del residuo de ácido sulfúrico se forma con un solvente seleccionado a partir del grupo que consiste de agua, un alcanol inferior que tiene de 1 a 4 átomos de carbono, o una mezcla acuosa del alcanol y en donde la primera mezcla se calienta y se destila en una zona de destilación a temperaturas dentro del rango de aproximadamente 50 a 250 grados C a presiones de aproximadamente 30 milímetros de mercurio absolutos hasta 3 atmósferas para vaporizar el ácido acrílico y el acrilato de etilo y formar una mezcla en la parte de arriba que comprende una fase orgánica que contiene acrilato de etilo y etanol y una fase acuosa que contiene agua, etanol y ácido acrílico, caracterizado porque la mejora comprende recircular la fase acuosa a la zona de destilación y después recuperar el valor de ácido acrílico adicional de la fase orgánica.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/521,294 US4968834A (en) | 1990-05-07 | 1990-05-07 | Recovery of acrylic acid and/or ethyl acrylate from black acid |
Publications (1)
Publication Number | Publication Date |
---|---|
MX166774B true MX166774B (es) | 1993-02-03 |
Family
ID=24076173
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX022854A MX166774B (es) | 1990-05-07 | 1990-10-16 | Metodo mejorado para producir acrilato de etilo |
Country Status (11)
Country | Link |
---|---|
US (1) | US4968834A (es) |
EP (1) | EP0455906B1 (es) |
JP (1) | JPH0421657A (es) |
CN (1) | CN1056301A (es) |
AT (1) | ATE117287T1 (es) |
AU (1) | AU631936B2 (es) |
BR (1) | BR9005531A (es) |
CA (1) | CA2027221A1 (es) |
DE (1) | DE69016195T2 (es) |
MX (1) | MX166774B (es) |
RU (1) | RU2021253C1 (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2700767B1 (fr) * | 1993-01-27 | 1995-04-07 | Atochem Elf Sa | Procédé perfectionné de fabrication de (méthacrylates d'alkyle par estérification directe. |
JP3346822B2 (ja) * | 1993-03-31 | 2002-11-18 | 三菱化学株式会社 | アクリル酸エステル又はメタクリル酸エステルの製造法 |
SG81213A1 (en) | 1995-12-15 | 2001-06-19 | Rohm & Haas | Process for producing butyle acrylate |
US5877345A (en) * | 1997-02-07 | 1999-03-02 | Rohm And Haas Company | Process for producing butyl acrylate |
US7128813B2 (en) * | 2002-05-01 | 2006-10-31 | Rohm And Haas Company | Process for manufacturing high purity methacrylic acid |
CN106000251B (zh) * | 2016-06-21 | 2017-11-28 | 河南应用技术职业学院 | 一种中试用双釜间歇反应装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3067241A (en) * | 1959-04-24 | 1962-12-04 | Knapsack Ag | Process and device for the manufacture and isolation of acrylic acid alkyl esters |
US3951756A (en) * | 1974-11-08 | 1976-04-20 | Celanese Corporation | Purification of alkyl esters |
JPS54106412A (en) * | 1978-02-08 | 1979-08-21 | Kyowa Yuka Kk | Method of purifying ester |
US4301298A (en) * | 1980-05-23 | 1981-11-17 | Celanese Corporation | Light ends recovery in ethyl acrylate process |
US4490553A (en) * | 1980-08-29 | 1984-12-25 | Celanese Corporation | Process for production of ethyl acrylate |
US5145989A (en) * | 1987-07-14 | 1992-09-08 | Hoechst Celanese Corporation | Recovery of acrylic acid and/or ethyl acrylate from black acid |
-
1990
- 1990-05-07 US US07/521,294 patent/US4968834A/en not_active Expired - Lifetime
- 1990-10-10 CA CA002027221A patent/CA2027221A1/en not_active Abandoned
- 1990-10-11 AT AT90311164T patent/ATE117287T1/de active
- 1990-10-11 DE DE69016195T patent/DE69016195T2/de not_active Expired - Fee Related
- 1990-10-11 EP EP90311164A patent/EP0455906B1/en not_active Expired - Lifetime
- 1990-10-16 MX MX022854A patent/MX166774B/es unknown
- 1990-10-19 AU AU64730/90A patent/AU631936B2/en not_active Ceased
- 1990-10-23 RU SU904831476A patent/RU2021253C1/ru active
- 1990-10-31 BR BR909005531A patent/BR9005531A/pt not_active IP Right Cessation
- 1990-12-10 JP JP2401128A patent/JPH0421657A/ja active Pending
-
1991
- 1991-03-02 CN CN91101284.2A patent/CN1056301A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0455906B1 (en) | 1995-01-18 |
ATE117287T1 (de) | 1995-02-15 |
EP0455906A1 (en) | 1991-11-13 |
DE69016195D1 (de) | 1995-03-02 |
AU6473090A (en) | 1991-11-07 |
RU2021253C1 (ru) | 1994-10-15 |
JPH0421657A (ja) | 1992-01-24 |
BR9005531A (pt) | 1991-11-19 |
AU631936B2 (en) | 1992-12-10 |
CA2027221A1 (en) | 1991-11-08 |
US4968834A (en) | 1990-11-06 |
DE69016195T2 (de) | 1995-06-08 |
CN1056301A (zh) | 1991-11-20 |
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