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MX2009006264A - Proceso para preparar metacrilatos de alquilo a traves de destilacion azeotropica. - Google Patents

Proceso para preparar metacrilatos de alquilo a traves de destilacion azeotropica.

Info

Publication number
MX2009006264A
MX2009006264A MX2009006264A MX2009006264A MX2009006264A MX 2009006264 A MX2009006264 A MX 2009006264A MX 2009006264 A MX2009006264 A MX 2009006264A MX 2009006264 A MX2009006264 A MX 2009006264A MX 2009006264 A MX2009006264 A MX 2009006264A
Authority
MX
Mexico
Prior art keywords
alkyl esters
methacrylic alkyl
way
reactor
producing
Prior art date
Application number
MX2009006264A
Other languages
English (en)
Inventor
Udo Gropp
Robert Weber
Thomas Schafer
Andreas Perl
Rudolf Sing
Thomas Mertz
Original Assignee
Evonik Roehm Gmbh
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 Evonik Roehm Gmbh filed Critical Evonik Roehm Gmbh
Publication of MX2009006264A publication Critical patent/MX2009006264A/es

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C67/54—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
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/52—Esters of acyclic unsaturated carboxylic acids having the esterified carboxyl group bound to an acyclic carbon atom
    • C07C69/533—Monocarboxylic acid esters having only one carbon-to-carbon double bond
    • C07C69/54—Acrylic acid esters; Methacrylic acid esters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/36—Azeotropic distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

La presente invención se relaciona en términos generales con un proceso para preparar metacrilatos de alquilo, que comprende los pasos de: - proveer una cianohidrina de acetona a través de un proceso de acuerdo con una de las Reivindicaciones precedentes; - poner en contacto la cianohidrina de acetona con un ácido inorgánico para obtener una metacrilamida; - poner en contacto la metacrilamida con un alcohol en presencia de un ácido inorgánico en el reactor para obtener un metacrilato de alquilo; - descargar continuamente por lo menos una porción del metacrilato de alquilo del reactor en una columna de destilación como un caudal de vapor; la descarga que se efectúa a través de alimentar un caudal de descarga comprende vapor en el reactor, a un aparato para preparar metacrilatos de alquilo, a un proceso para preparar polímeros basado por lo menos parcialmente en metacrilatos de alquilo, al uso de metacrilatos de alquilo obtenibles a través del proceso de acuerdo con la invención en productos químicos, y a productos químicos basados en metacrilatos de alquilo obtenibles a través del proceso de acuerdo con la invención.
MX2009006264A 2006-12-14 2007-08-31 Proceso para preparar metacrilatos de alquilo a traves de destilacion azeotropica. MX2009006264A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006059513A DE102006059513A1 (de) 2006-12-14 2006-12-14 Verfahren zur Herstellung von Methacrylsäure alkylestern mittels azeotroper Destillation
PCT/EP2007/059095 WO2008071464A1 (de) 2006-12-14 2007-08-31 Verfahren zur herstellung von methacrylsäure alkylestern mittels azeotroper destillation

Publications (1)

Publication Number Publication Date
MX2009006264A true MX2009006264A (es) 2009-06-22

Family

ID=38752500

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2009006264A MX2009006264A (es) 2006-12-14 2007-08-31 Proceso para preparar metacrilatos de alquilo a traves de destilacion azeotropica.

Country Status (15)

Country Link
US (1) US8586779B2 (es)
EP (1) EP2051957B1 (es)
JP (1) JP5528116B2 (es)
KR (1) KR101443931B1 (es)
CN (1) CN101205183B (es)
AU (1) AU2007331689B2 (es)
BR (1) BRPI0720022B1 (es)
DE (1) DE102006059513A1 (es)
ES (1) ES2619642T3 (es)
MX (1) MX2009006264A (es)
MY (1) MY150539A (es)
RU (1) RU2472770C2 (es)
TW (1) TWI436974B (es)
WO (1) WO2008071464A1 (es)
ZA (1) ZA200904154B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008000787A1 (de) * 2008-03-20 2009-09-24 Evonik Röhm Gmbh Verfahren zur Aufreinigung von Methacrylsäure
DE102008000785A1 (de) * 2008-03-20 2009-09-24 Evonik Röhm Gmbh Verfahren zur Herstellung von Methacrylsäure
KR101144306B1 (ko) * 2010-08-26 2012-05-11 주식회사 엘지화학 알킬(메트)아크릴레이트의 제조 방법
FR3012140B1 (fr) * 2013-10-18 2016-08-26 Arkema France Unite et procede pour la purification de methacrylate de methyle brut
FR3012139B1 (fr) 2013-10-18 2016-08-26 Arkema France Unite d'esterification pour la production de methacrylate de methyle brut, procede d'esterification utilisant ladite unite et installation comprenant ladite unite
GB201704729D0 (en) 2017-03-24 2017-05-10 Lucite Int Uk Ltd Method of producing methyl methacrylate or methacrylic acid
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
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
WO2022243038A1 (de) * 2021-05-19 2022-11-24 Röhm Gmbh Verfahren zur herstellung einer polymerisationsanfälligen verbindung

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JPS51146418A (en) * 1975-06-10 1976-12-16 Nippon Zeon Co Ltd Purification of methacrylic esters
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DE19852104A1 (de) * 1998-11-12 2000-05-18 Degussa Verfahren zur Herstellung von ß-Hydroxyaldehyden
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DE10200171A1 (de) * 2002-01-04 2003-07-10 Roehm Gmbh Verfahren zur kontinuierlichen Herstellung von Alkyl(meth)acrylaten
ZA200303241B (en) * 2002-05-01 2003-11-04 Rohm & Haas Improved process for methacrylic acid and methcrylic acid ester production.
DE10309209A1 (de) * 2003-02-28 2004-09-09 Degussa Ag Verfahren zur Herstellung von Cyanwasserstoff nach dem BMA-Verfahren und Katalysator zu seiner Durchführung
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DE102005023975A1 (de) * 2005-05-20 2006-11-23 Röhm Gmbh Verfahren zur Herstellung von Alkyl(meth)acrylaten

Also Published As

Publication number Publication date
CN101205183B (zh) 2012-06-06
BRPI0720022A2 (pt) 2013-12-17
ZA200904154B (en) 2010-05-26
AU2007331689B2 (en) 2013-01-10
TWI436974B (zh) 2014-05-11
US8586779B2 (en) 2013-11-19
JP2010513234A (ja) 2010-04-30
BRPI0720022B1 (pt) 2017-01-24
HK1119657A1 (en) 2009-03-13
ES2619642T3 (es) 2017-06-26
JP5528116B2 (ja) 2014-06-25
AU2007331689A1 (en) 2008-06-19
EP2051957A1 (de) 2009-04-29
DE102006059513A1 (de) 2008-06-19
MY150539A (en) 2014-01-30
RU2009126619A (ru) 2011-01-20
RU2472770C2 (ru) 2013-01-20
WO2008071464A1 (de) 2008-06-19
TW200848400A (en) 2008-12-16
KR101443931B1 (ko) 2014-09-23
EP2051957B1 (de) 2016-12-28
KR20090096457A (ko) 2009-09-10
CN101205183A (zh) 2008-06-25
US20100029881A1 (en) 2010-02-04

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