DE1618721B2 - Verfahren zur herstellung von methacrylamid aus acetoncyanhydrin - Google Patents

Verfahren zur herstellung von methacrylamid aus acetoncyanhydrin

Info

Publication number
DE1618721B2
DE1618721B2 DE1967M0074577 DEM0074577A DE1618721B2 DE 1618721 B2 DE1618721 B2 DE 1618721B2 DE 1967M0074577 DE1967M0074577 DE 1967M0074577 DE M0074577 A DEM0074577 A DE M0074577A DE 1618721 B2 DE1618721 B2 DE 1618721B2
Authority
DE
Germany
Prior art keywords
sulfuric acid
acetone cyanohydrin
mixing
molar ratio
methacrylamide
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.)
Granted
Application number
DE1967M0074577
Other languages
German (de)
English (en)
Other versions
DE1618721A1 (de
Inventor
Makoto Tokio; Yamamoto Yasumasa; Kobayashi Masao; Ohtake; i amasafu' K'enicni' Musasniho; flieaa Minoru Ohtake; Sudo (Japan)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Rayon Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Rayon Co Ltd filed Critical Mitsubishi Rayon Co Ltd
Publication of DE1618721A1 publication Critical patent/DE1618721A1/de
Publication of DE1618721B2 publication Critical patent/DE1618721B2/de
Granted legal-status Critical Current

Links

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)
DE1967M0074577 1966-06-29 1967-06-29 Verfahren zur herstellung von methacrylamid aus acetoncyanhydrin Granted DE1618721B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP41041797A JPS4940689B1 (https=) 1966-06-29 1966-06-29

Publications (2)

Publication Number Publication Date
DE1618721A1 DE1618721A1 (de) 1972-02-24
DE1618721B2 true DE1618721B2 (de) 1976-08-26

Family

ID=12618311

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1967M0074577 Granted DE1618721B2 (de) 1966-06-29 1967-06-29 Verfahren zur herstellung von methacrylamid aus acetoncyanhydrin

Country Status (4)

Country Link
US (1) US3558695A (https=)
JP (1) JPS4940689B1 (https=)
DE (1) DE1618721B2 (https=)
GB (1) GB1184746A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0226724A1 (de) * 1985-11-22 1987-07-01 Degussa Aktiengesellschaft Verfahren zur Herstellung von Methacrylamid

Families Citing this family (9)

* Cited by examiner, † Cited by third party
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
JPH0768165B2 (ja) * 1985-05-06 1995-07-26 ロ−ム アンド ハ−ス コンパニ− 不飽和化合物製造のためにニトリル類を用いる改良方法
FR2827279B1 (fr) * 2001-07-13 2004-06-18 Atofina Procede de preparation de methacrylamide sulfurique et dispositif pour sa mise en oeuvre
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
ES2935290T3 (es) 2020-10-23 2023-03-03 Roehm Gmbh Procedimiento optimizado para la preparación de metacrilato de alquilo mediante reducción de productos secundarios perturbadores
US20240010604A1 (en) 2020-10-23 2024-01-11 Röhm Gmbh Optimized process for synthesizing methacrylic acid (maa) and/or alkyl methacrylate by reducing unwanted byproducts

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0226724A1 (de) * 1985-11-22 1987-07-01 Degussa Aktiengesellschaft Verfahren zur Herstellung von Methacrylamid

Also Published As

Publication number Publication date
GB1184746A (en) 1970-03-18
US3558695A (en) 1971-01-26
DE1618721A1 (de) 1972-02-24
JPS4940689B1 (https=) 1974-11-05

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)