NL8802064A - Werkwijze voor het bereiden van methacrylzuur respectievelijk esters daarvan. - Google Patents

Werkwijze voor het bereiden van methacrylzuur respectievelijk esters daarvan. Download PDF

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Publication number
NL8802064A
NL8802064A NL8802064A NL8802064A NL8802064A NL 8802064 A NL8802064 A NL 8802064A NL 8802064 A NL8802064 A NL 8802064A NL 8802064 A NL8802064 A NL 8802064A NL 8802064 A NL8802064 A NL 8802064A
Authority
NL
Netherlands
Prior art keywords
acid
starting material
spent
water
sulfuric acid
Prior art date
Application number
NL8802064A
Other languages
English (en)
Dutch (nl)
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of NL8802064A publication Critical patent/NL8802064A/nl

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/06—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid amides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00—Preparation of carboxylic acid amides
    • C07C231/06—Preparation of carboxylic acid amides from nitriles by transformation of cyano groups into carboxamide groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/18—Preparation of carboxylic acid esters by conversion of a group containing nitrogen into an ester group
    • C07C67/20—Preparation of carboxylic acid esters by conversion of a group containing nitrogen into an ester group from amides or lactams

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL8802064A 1987-08-20 1988-08-19 Werkwijze voor het bereiden van methacrylzuur respectievelijk esters daarvan. NL8802064A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8751487A 1987-08-20 1987-08-20
US8751487 1987-08-20

Publications (1)

Publication Number Publication Date
NL8802064A true NL8802064A (nl) 1989-03-16

Family

ID=22205641

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8802064A NL8802064A (nl) 1987-08-20 1988-08-19 Werkwijze voor het bereiden van methacrylzuur respectievelijk esters daarvan.

Country Status (7)

Country Link
JP (1) JP2679819B2 (fr)
CA (1) CA1332424C (fr)
DE (1) DE3828253C2 (fr)
ES (1) ES2012539A6 (fr)
FR (1) FR2619563B1 (fr)
GB (1) GB2208864B (fr)
NL (1) NL8802064A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5393918A (en) * 1993-12-02 1995-02-28 Rohm And Haas Company High yield process for the production of methacrylic acid esters
ZA200303241B (en) * 2002-05-01 2003-11-04 Rohm & Haas Improved process for methacrylic acid and methcrylic acid ester production.
DE102006058250A1 (de) * 2006-12-08 2008-06-12 Evonik Röhm Gmbh Integriertes Verfahren und Vorrichtung zur Herstellung von Methacrylsäureestern aus Aceton und Blausäure
DE102006060161A1 (de) * 2006-12-18 2008-06-26 Evonik Röhm Gmbh Verfahren zur adsorptiven Aufreinigung von Methacrylsäurealkylestern
CN103130671B (zh) * 2013-03-28 2015-06-17 重庆紫光化工股份有限公司 一种清洁的甲基丙烯酰胺的制备和提纯方法
WO2022084274A1 (fr) 2020-10-23 2022-04-28 Röhm Gmbh Procédé optimisé de synthèse d'acide méthacrylique (maa) et/ou de méthacrylate d'alkyle par réduction de sous-produits indésirables
JP2023547391A (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アルキルメタクリレートの最適化された製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2042458A (en) * 1933-10-31 1936-06-02 Ici Ltd Production of esters of methacrylic acid
US2416756A (en) * 1941-10-23 1947-03-04 Du Pont Continuous production of esters of methacrylic acid
GB815163A (en) * 1955-07-22 1959-06-17 Electro Chimie Metal Improvements relating to the manufacture of acrylic acids or esters
US2890101A (en) * 1955-07-22 1959-06-09 Electro Chimie Metal Recovery of ammonium bisulphate from the distillation residues from the manufacture of acrylic acids and their esters
DE1468419A1 (de) * 1964-09-23 1969-05-29 Nitrokemia Ipartelepek Verfahren zur Herstellung von Methylmethakrylat
FR2406623A1 (fr) * 1977-10-24 1979-05-18 Chemie Linz Ag Procede pour la preparation d'esters d'acides mono- ou dicarboxyliques par reaction d'amides d'acides carboxyliques avec des alcools, de l'acide sulfurique ou du bisulfate d'ammonium

Also Published As

Publication number Publication date
GB2208864A (en) 1989-04-19
CA1332424C (fr) 1994-10-11
DE3828253A1 (de) 1989-03-02
GB8819764D0 (en) 1988-09-21
JP2679819B2 (ja) 1997-11-19
GB2208864B (en) 1991-07-10
DE3828253C2 (de) 1999-10-28
FR2619563A1 (fr) 1989-02-24
ES2012539A6 (es) 1990-04-01
FR2619563B1 (fr) 1994-04-01
JPS6470433A (en) 1989-03-15

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