SG11202101488QA - Continuous process for preparing methacrolein - Google Patents
Continuous process for preparing methacroleinInfo
- Publication number
- SG11202101488QA SG11202101488QA SG11202101488QA SG11202101488QA SG11202101488QA SG 11202101488Q A SG11202101488Q A SG 11202101488QA SG 11202101488Q A SG11202101488Q A SG 11202101488QA SG 11202101488Q A SG11202101488Q A SG 11202101488QA SG 11202101488Q A SG11202101488Q A SG 11202101488QA
- Authority
- SG
- Singapore
- Prior art keywords
- continuous process
- preparing methacrolein
- methacrolein
- preparing
- continuous
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
- C07C45/72—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
- C07C45/75—Reactions with formaldehyde
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/86—Use of additives, e.g. for stabilisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/87—Preparation of ketenes or dimeric ketenes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K15/00—Anti-oxidant compositions; Compositions inhibiting chemical change
- C09K15/04—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K15/00—Anti-oxidant compositions; Compositions inhibiting chemical change
- C09K15/04—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds
- C09K15/06—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds containing oxygen
- C09K15/08—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds containing oxygen containing a phenol or quinone moiety
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C47/00—Compounds having —CHO groups
- C07C47/20—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms
- C07C47/21—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
- C07C47/22—Acryaldehyde; Methacryaldehyde
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP18189862.8A EP3613726A1 (en) | 2018-08-21 | 2018-08-21 | Continuous process for preparing methacrolein |
| PCT/EP2019/070784 WO2020038696A1 (en) | 2018-08-21 | 2019-08-01 | Continuous process for preparing methacrolein |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11202101488QA true SG11202101488QA (en) | 2021-03-30 |
Family
ID=63592535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11202101488QA SG11202101488QA (en) | 2018-08-21 | 2019-08-01 | Continuous process for preparing methacrolein |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US11919846B2 (ja) |
| EP (2) | EP3613726A1 (ja) |
| JP (1) | JP2021535114A (ja) |
| KR (1) | KR20210045997A (ja) |
| CN (1) | CN112638856A (ja) |
| SG (1) | SG11202101488QA (ja) |
| WO (1) | WO2020038696A1 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3786147A1 (de) | 2019-08-30 | 2021-03-03 | Röhm GmbH | Verfahren zur herstellung von methacrolein aus formaldehyd und propionaldehyd sowie herstellanlage hierfür |
| EP3786146A1 (de) | 2019-08-30 | 2021-03-03 | Röhm GmbH | Verfahren zur herstellung von methacrolein aus formaldehyd und propionaldehyd sowie herstellanlage hierfür |
| CN114988995A (zh) * | 2022-06-07 | 2022-09-02 | 上海师范大学 | 一种甲醛与丙醛缩合连续生产甲基丙烯醛的方法 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2848499A (en) | 1956-05-09 | 1958-08-19 | Celanese Corp | Preparation of unsaturated aldehydes |
| US3878250A (en) | 1970-08-31 | 1975-04-15 | Japanese Geon Co Ltd | Method of preventing the polymerization of methacrolein |
| DE3106557A1 (de) | 1981-02-21 | 1982-09-16 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von (alpha)-alkylacroleinen |
| DE3213681A1 (de) | 1982-04-14 | 1983-10-27 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von (alpha)-alkylacroleinen |
| DE3740293A1 (de) | 1987-11-27 | 1989-06-01 | Hoechst Ag | Verfahren zur herstellung von alpha-alkylacroleinen |
| JPH04173757A (ja) | 1990-11-06 | 1992-06-22 | Daicel Chem Ind Ltd | α―アルキルアクロレインの製造方法 |
| JP3069420B2 (ja) | 1991-11-05 | 2000-07-24 | ダイセル化学工業株式会社 | 反応器および反応方法 |
| US7012039B2 (en) | 2001-12-21 | 2006-03-14 | Asahi Kasei Chemicals Corporation | Oxide catalyst composition |
| US7141702B2 (en) | 2004-03-26 | 2006-11-28 | Council Of Scientific And Industrial Research | Process for the synthesis of α-substituted acroleins |
| EP2829531A1 (de) | 2013-07-24 | 2015-01-28 | Evonik Industries AG | Verfahren zur Regulierung des Wassergehalts in einem kontinuierlichen Verfahren zur Herstellung von Methacrolein |
| US9816703B2 (en) | 2013-07-24 | 2017-11-14 | Evonik Roehm Gmbh | Recirculation and disposal of aqueous catalyst solutions in amine catalytic processes |
| JP2015044775A (ja) * | 2013-08-29 | 2015-03-12 | 三菱瓦斯化学株式会社 | α−メチレンアルデヒドの製造方法 |
| SG11201601069PA (en) * | 2013-09-26 | 2016-03-30 | Evonik Roehm Gmbh | Method for producing methacrolein and the conditioning/draining thereof for direct oxidative esterification |
| WO2015065610A1 (en) * | 2013-10-28 | 2015-05-07 | Rohm And Haas Company | Process for separating methacrolein |
| CN104003856B (zh) * | 2014-05-29 | 2016-02-24 | 中国科学院过程工程研究所 | 一种以甲醛和丙醛为原料制备甲基丙烯醛的方法 |
| EP2998284A1 (de) | 2014-09-18 | 2016-03-23 | Evonik Röhm GmbH | Optimiertes Verfahren zur Herstellung von Methacrolein |
| EP3023408A1 (de) | 2014-11-19 | 2016-05-25 | Evonik Röhm GmbH | Optimiertes Verfahren zur Herstellung von Methacrylsäure |
-
2018
- 2018-08-21 EP EP18189862.8A patent/EP3613726A1/en not_active Withdrawn
-
2019
- 2019-08-01 EP EP19745179.2A patent/EP3841084A1/en active Pending
- 2019-08-01 SG SG11202101488QA patent/SG11202101488QA/en unknown
- 2019-08-01 US US17/269,648 patent/US11919846B2/en active Active
- 2019-08-01 KR KR1020217004747A patent/KR20210045997A/ko unknown
- 2019-08-01 JP JP2021509811A patent/JP2021535114A/ja active Pending
- 2019-08-01 WO PCT/EP2019/070784 patent/WO2020038696A1/en active Application Filing
- 2019-08-01 CN CN201980054558.9A patent/CN112638856A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US11919846B2 (en) | 2024-03-05 |
| US20210363089A1 (en) | 2021-11-25 |
| JP2021535114A (ja) | 2021-12-16 |
| KR20210045997A (ko) | 2021-04-27 |
| EP3841084A1 (en) | 2021-06-30 |
| CN112638856A (zh) | 2021-04-09 |
| EP3613726A1 (en) | 2020-02-26 |
| WO2020038696A1 (en) | 2020-02-27 |
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