GB1184746A - Process for the Production of Methacrylamide - Google Patents
Process for the Production of MethacrylamideInfo
- Publication number
- GB1184746A GB1184746A GB27824/67A GB2782467A GB1184746A GB 1184746 A GB1184746 A GB 1184746A GB 27824/67 A GB27824/67 A GB 27824/67A GB 2782467 A GB2782467 A GB 2782467A GB 1184746 A GB1184746 A GB 1184746A
- Authority
- GB
- United Kingdom
- Prior art keywords
- methacrylamide
- mixture
- acetone cyanhydrin
- dehydrate
- june
- 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
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 title abstract 3
- MWFMGBPGAXYFAR-UHFFFAOYSA-N 2-hydroxy-2-methylpropanenitrile Chemical compound CC(C)(O)C#N MWFMGBPGAXYFAR-UHFFFAOYSA-N 0.000 abstract 4
- 239000000203 mixture Substances 0.000 abstract 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 235000011149 sulphuric acid Nutrition 0.000 abstract 2
- 239000001117 sulphuric acid Substances 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 230000018044 dehydration Effects 0.000 abstract 1
- 238000006297 dehydration reaction Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C233/00—Carboxylic acid amides
- C07C233/01—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
- C07C233/02—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals
- C07C233/09—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals with carbon atoms of carboxamide groups bound to carbon atoms of an acyclic unsaturated carbon skeleton
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP41041797A JPS4940689B1 (enExample) | 1966-06-29 | 1966-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1184746A true GB1184746A (en) | 1970-03-18 |
Family
ID=12618311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB27824/67A Expired GB1184746A (en) | 1966-06-29 | 1967-06-16 | Process for the Production of Methacrylamide |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3558695A (enExample) |
| JP (1) | JPS4940689B1 (enExample) |
| DE (1) | DE1618721B2 (enExample) |
| GB (1) | GB1184746A (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5271411A (en) * | 1975-12-09 | 1977-06-14 | Mitsui Toatsu Chem Inc | Continuous preparation of methacrylic amide sulfate |
| EP0201307B1 (en) * | 1985-05-06 | 1988-12-28 | Rohm And Haas Company | Process for preparing unsaturated organic compounds |
| EP1275636A1 (fr) * | 2001-07-13 | 2003-01-15 | Atofina | Procédé de préparation de méthacrylamide sulfurique et dispositif pour sa mise en oeuvre |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3541253A1 (de) * | 1985-11-22 | 1987-05-27 | Degussa | Verfahren zur herstellung von methacrylamid |
| ITMI20011784A1 (it) * | 2001-08-13 | 2003-02-13 | Atofina | Processo per la preparazione di metacrilammide(maa)da acetoncianidrina |
| DE102006058251A1 (de) | 2006-12-08 | 2008-06-12 | Evonik Röhm Gmbh | Verfahren und Vorrichtung zur Herstellung von Methacrylsäurealkylestern |
| CN103130672B (zh) * | 2013-03-28 | 2015-07-08 | 重庆紫光化工股份有限公司 | 一种生产甲基丙烯酰胺的方法 |
| CN111635332A (zh) * | 2020-06-22 | 2020-09-08 | 重庆奕翔化工有限公司 | 一种酰胺化反应的生产工艺 |
| EP4045479B1 (de) | 2020-10-23 | 2022-10-26 | Röhm GmbH | Optimiertes verfahren zur herstellung von alkylmethacrylat durch reduzierung störender nebenprodukte |
| JP2023547392A (ja) | 2020-10-23 | 2023-11-10 | レーム・ゲーエムベーハー | 不要な副産物の低減によるメタクリル酸（ｍａｓ）および／またはアルキルメタクリレートの最適化された製造方法 |
-
1966
- 1966-06-29 JP JP41041797A patent/JPS4940689B1/ja active Pending
-
1967
- 1967-06-16 GB GB27824/67A patent/GB1184746A/en not_active Expired
- 1967-06-23 US US648380A patent/US3558695A/en not_active Expired - Lifetime
- 1967-06-29 DE DE1967M0074577 patent/DE1618721B2/de active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5271411A (en) * | 1975-12-09 | 1977-06-14 | Mitsui Toatsu Chem Inc | Continuous preparation of methacrylic amide sulfate |
| EP0201307B1 (en) * | 1985-05-06 | 1988-12-28 | Rohm And Haas Company | Process for preparing unsaturated organic compounds |
| EP1275636A1 (fr) * | 2001-07-13 | 2003-01-15 | Atofina | Procédé de préparation de méthacrylamide sulfurique et dispositif pour sa mise en oeuvre |
| FR2827279A1 (fr) * | 2001-07-13 | 2003-01-17 | Atofina | Procede de preparation de methacrylamide sulfurique et dispositif pour sa mise en oeuvre |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1618721A1 (de) | 1972-02-24 |
| US3558695A (en) | 1971-01-26 |
| DE1618721B2 (de) | 1976-08-26 |
| JPS4940689B1 (enExample) | 1974-11-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| 429A | Application made for amendment of specification (sect. 29/1949) | ||
| 429H | Application (made) for amendment of specification now open to opposition (sect. 29/1949) | ||
| 429D | Case decided by the comptroller ** specification amended (sect. 29/1949) | ||
| PCNP | Patent ceased through non-payment of renewal fee |