BR112015006831A2 - processo para a preparação de ácido metacrílico e de ésteres do mesmo - Google Patents

processo para a preparação de ácido metacrílico e de ésteres do mesmo

Info

Publication number
BR112015006831A2
BR112015006831A2 BR112015006831A BR112015006831A BR112015006831A2 BR 112015006831 A2 BR112015006831 A2 BR 112015006831A2 BR 112015006831 A BR112015006831 A BR 112015006831A BR 112015006831 A BR112015006831 A BR 112015006831A BR 112015006831 A2 BR112015006831 A2 BR 112015006831A2
Authority
BR
Brazil
Prior art keywords
esters
preparation
methacrylic acid
hydrolysis
acid
Prior art date
Application number
BR112015006831A
Other languages
English (en)
Other versions
BR112015006831B1 (pt
Inventor
M Lemonds Andrew
Lee Zolotorofe Donald
N Ngo Minh
Sathiosatham Muhunthan
Original Assignee
Rohm & Haas
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 Rohm & Haas filed Critical Rohm & Haas
Publication of BR112015006831A2 publication Critical patent/BR112015006831A2/pt
Publication of BR112015006831B1 publication Critical patent/BR112015006831B1/pt

Links

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
    • C07C231/00—Preparation of carboxylic acid amides
    • C07C231/12—Preparation of carboxylic acid amides by reactions not involving the formation of carboxamide groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
    • C07C303/24—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of esters of sulfuric acids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

resumo “processo para a preparação de ácido metacrílico e de ésteres do mesmo” um processo de múltiplos estágios para a preparação de ácido metacrílico e ésteres do mesmo via a hidrólise de ach, craqueando os produtos de hidrólise, e convertendo os produtos craqueados no ácido ou éster desejado, sendo que a temperatura média no primeiro reator de hidrólise é de 55°c a 70°c.
BR112015006831-6A 2012-09-28 2013-09-09 processo para a preparação de ácido metacrílico e de ésteres do mesmo BR112015006831B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261707394P 2012-09-28 2012-09-28
US61/707,394 2012-09-28
PCT/US2013/058679 WO2014051971A1 (en) 2012-09-28 2013-09-09 Process for producing mma and/or maa from acetone cyanohydrin and sulfuric acid

Publications (2)

Publication Number Publication Date
BR112015006831A2 true BR112015006831A2 (pt) 2017-07-04
BR112015006831B1 BR112015006831B1 (pt) 2020-10-27

Family

ID=49253397

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015006831-6A BR112015006831B1 (pt) 2012-09-28 2013-09-09 processo para a preparação de ácido metacrílico e de ésteres do mesmo

Country Status (6)

Country Link
US (1) US9260368B2 (pt)
EP (1) EP2900630B1 (pt)
JP (1) JP6088058B2 (pt)
CN (1) CN104768920B (pt)
BR (1) BR112015006831B1 (pt)
WO (1) WO2014051971A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116490489A (zh) * 2020-10-23 2023-07-25 罗姆化学有限责任公司 通过减少干扰性副产物而优化的用于制备甲基丙烯酸（mas）和/或甲基丙烯酸烷基酯的方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4529816A (en) 1984-02-13 1985-07-16 E. I. Du Pont De Nemours And Company Process for producing alkyl methacrylates
US5393918A (en) * 1993-12-02 1995-02-28 Rohm And Haas Company High yield process for the production of methacrylic acid esters
JPH11255710A (ja) * 1998-03-11 1999-09-21 Mitsubishi Gas Chem Co Inc メタクリル酸メチルの製造方法
DE69902137T2 (de) * 1998-11-04 2003-01-30 Rohm & Haas Verfahren zum Herstellen mit grosser Ausbeute von Methylmethacrylat oder Methacrylsäure
ZA200303241B (en) * 2002-05-01 2003-11-04 Rohm & Haas Improved process for methacrylic acid and methcrylic acid ester production.
DE102004006826A1 (de) * 2004-02-11 2005-08-25 Röhm GmbH & Co. KG Verfahren zur Herstellung von alpha-Hydroxy-carbonsäuren und deren Ester
US7582790B2 (en) * 2004-11-24 2009-09-01 Rohm And Haas Company Process for chemical reactions involving cyanohydrins
DE102006058250A1 (de) * 2006-12-08 2008-06-12 Evonik Röhm Gmbh Integriertes Verfahren und Vorrichtung zur Herstellung von Methacrylsäureestern aus Aceton und Blausäure
DE102006059512A1 (de) 2006-12-14 2008-06-19 Evonik Röhm Gmbh Destillative Aufarbeitung von Acetoncyanhydrin und Verfahren zur Herstellung von Metharcylsäureesther und Nachfolgeprodukten
FR2931822B1 (fr) * 2008-05-30 2012-11-02 Arkema France Methacrylate de methyle derive de la biomasse, procede de fabrication, utilisations et polymeres correspondants.
JP2014501697A (ja) * 2010-10-07 2014-01-23 ローム アンド ハース カンパニー メタクリル酸エステルの製造のための方法

Also Published As

Publication number Publication date
BR112015006831B1 (pt) 2020-10-27
JP2015533820A (ja) 2015-11-26
JP6088058B2 (ja) 2017-03-01
CN104768920B (zh) 2017-03-08
US20150259272A1 (en) 2015-09-17
EP2900630A1 (en) 2015-08-05
EP2900630B1 (en) 2019-03-27
US9260368B2 (en) 2016-02-16
CN104768920A (zh) 2015-07-08
WO2014051971A1 (en) 2014-04-03

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 09/09/2013, OBSERVADAS AS CONDICOES LEGAIS.