BR9909302A - Processo para preparação de ácido (met) acrìlico puro a partir de um ácido (met) acrìlico bruto, e, uso de um sal sulfÈnico de fenotiazina - Google Patents

Processo para preparação de ácido (met) acrìlico puro a partir de um ácido (met) acrìlico bruto, e, uso de um sal sulfÈnico de fenotiazina

Info

Publication number
BR9909302A
BR9909302A BR9909302-2A BR9909302A BR9909302A BR 9909302 A BR9909302 A BR 9909302A BR 9909302 A BR9909302 A BR 9909302A BR 9909302 A BR9909302 A BR 9909302A
Authority
BR
Brazil
Prior art keywords
acrylic acid
meth
crude
pure
aldehyde
Prior art date
Application number
BR9909302-2A
Other languages
English (en)
Inventor
Heinrich Aichinger
Hans Martan
Gerhard Nestler
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of BR9909302A publication Critical patent/BR9909302A/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
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/50—Use of additives, e.g. for stabilisation
    • 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
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/16—Fractionating columns in which vapour bubbles through liquid
    • B01D3/22—Fractionating columns in which vapour bubbles through liquid with horizontal sieve plates or grids; Construction of sieve plates or grids
    • B01D3/225—Dual-flow sieve trays
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
    • 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

Landscapes

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

Abstract

"PROCESSO PARA PREPARAçãO DE áCIDO (MET)ACRìLICO PURO A PARTIR DE UM áCIDO (MET)ACRìLICO BRUTO, E, USO DE UM SAL SULFÈNICO DE FENOTIAZINA" A invenção refere-se a um processo para produção de ácido (met)acrílico puro de um ácido (met)acrílico bruto, compreendendo os seguintes estágios: (A) tratar o ácido (met)acrílico bruto com pelo menos um composto que é capaz de remover aldeído com o propósito de obter um ácido (met)acrílico bruto livre de aldeído; (B) submeter o ácido (met)acrílico bruto livre de aldeído a um processo de destilação imprecisa, que produz uma fração de baixo ponto de ebulição contendo ácido (met)acrílico e ácido acético e uma fração de alto ponto de ebulição contendo compostos de alto ponto de ebulição; (C) separar um ácido (met)acrílico puro das frações de alto ponto de ebulição e opcionalmente (D) esterificar a fração de baixo ponto de ebulição contendo ácido (met)acrílico e ácido acético obtida em (B) com um ou mais alcanóis para produzir uma mistura de esterificação contendo um ou mais ésteres de ácido (met)acrílico, um ou mais ésteres de ácido acético e um ou mais alcanóis.
BR9909302-2A 1998-03-31 1999-03-24 Processo para preparação de ácido (met) acrìlico puro a partir de um ácido (met) acrìlico bruto, e, uso de um sal sulfÈnico de fenotiazina BR9909302A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19814449A DE19814449A1 (de) 1998-03-31 1998-03-31 Verfahren zur Herstellung von (Meth)acrylsäure und (Meth)acrylsäureestern
PCT/EP1999/001997 WO1999050221A2 (de) 1998-03-31 1999-03-24 Verfahren zur herstellung von (meth)acrylsäure und (meth)acrylsäureestern

Publications (1)

Publication Number Publication Date
BR9909302A true BR9909302A (pt) 2000-11-21

Family

ID=7863146

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9909302-2A BR9909302A (pt) 1998-03-31 1999-03-24 Processo para preparação de ácido (met) acrìlico puro a partir de um ácido (met) acrìlico bruto, e, uso de um sal sulfÈnico de fenotiazina

Country Status (7)

Country Link
US (1) US6458989B1 (pt)
EP (1) EP1066241B1 (pt)
JP (1) JP4555473B2 (pt)
CN (1) CN1295554A (pt)
BR (1) BR9909302A (pt)
DE (2) DE19814449A1 (pt)
WO (1) WO1999050221A2 (pt)

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Publication number Priority date Publication date Assignee Title
DE19851983A1 (de) 1998-11-11 2000-05-18 Basf Ag Verfahren zur kontinuierlichen Herstellung von Alkylestern der (Meth)acrylsäure
MY122671A (en) 1999-03-06 2006-04-29 Basf Ag Fractional condensation of a product gas mixture containing acrylic acid
DE19935453A1 (de) 1999-07-28 2000-10-19 Basf Ag Verfahren zur kontinuierlichen Herstellung von Alkylestern der (Meth)acrylsäure
JP4361995B2 (ja) * 1999-12-22 2009-11-11 株式会社日本触媒 アクリル酸の精製方法
JP4765165B2 (ja) * 2000-12-13 2011-09-07 東亞合成株式会社 高純度アクリル酸の製造方法
FR2827596B1 (fr) * 2001-07-20 2003-09-05 Atofina Procede de fabrication d'acrylate de 2-ethylhexyle par esterification directe,avec elimination de l'acetate de 2-ethylhexyle comme impurete
AU2002344613A1 (en) * 2001-10-30 2003-06-10 Mitsubishi Chemical Corporation Method for purifying (meth)acrylic acid
CA2476357C (en) 2002-02-15 2012-07-24 Crompton Corporation Nitrosophenols and c-nitrosoanilines as polymerization inhibitors
US20040104108A1 (en) 2002-12-03 2004-06-03 Mason Robert Michael High capacity purification of thermally unstable compounds
JP3992643B2 (ja) * 2003-05-09 2007-10-17 株式会社日本触媒 （メタ）アクリル酸および／またはそのエステルの蒸留方法
US7349919B2 (en) * 2003-11-21 2008-03-25 International Business Machines Corporation Computerized method, system and program product for generating a data mining model
US7393976B2 (en) * 2003-11-26 2008-07-01 Rohm And Haas Company Process for manufacturing reduced water content (meth)acrylic acid
US7220879B2 (en) * 2004-10-01 2007-05-22 Rohm And Haas Company Method for inhibiting polymerization of (meth)acrylic acid and its esters using an inhibitor and a process for making a compound useful as such an inhibitor
WO2006126479A1 (ja) * 2005-05-23 2006-11-30 Toagosei Co., Ltd. アクリル酸エステルの製造方法
EP2085376B1 (en) * 2008-01-30 2012-09-05 Evonik Röhm GmbH Process for preparation of high purity methacrylic acid
EP3072879A1 (en) 2015-03-26 2016-09-28 Nitto Europe N.V Method for prevention of premature polymerization
JP6202037B2 (ja) * 2015-04-09 2017-09-27 ダイキン工業株式会社 組成物
WO2017188220A1 (ja) * 2016-04-28 2017-11-02 三菱ケミカル株式会社 メタクリル酸の精製方法及び製造方法
KR102318486B1 (ko) * 2017-10-20 2021-10-27 미쯔비시 케미컬 주식회사 α,β-불포화 카복실산 제조용 촉매의 제조 방법, α,β-불포화 카복실산의 제조 방법 및 α,β-불포화 카복실산 에스터의 제조 방법
CN117299040B (zh) * 2023-11-30 2024-03-12 万华化学集团股份有限公司 一种同时制备乙酸丁酯和丙烯酸丁酯的装置系统及其方法
WO2026032892A1 (de) 2024-08-05 2026-02-12 Basf Se Verfahren zur herstellung von (meth)acrylsäurealkylester ausgehend von (meth)acrylsäure
WO2026032891A1 (de) 2024-08-05 2026-02-12 Basf Se Verfahren zur abtrennung von (meth)acrylsäure

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Publication number Priority date Publication date Assignee Title
FR727408A (fr) * 1931-01-23 1932-06-17 Cellophane Sa Perfectionnement dans les procédés de fabrication des pellicules de cellulose
US3433831A (en) 1965-06-30 1969-03-18 Asahi Chemical Ind Separation and purification of acrylic acid from acetic acid by solvent extraction and azeotropic distillation with a two component solvent-entrainer system
US3666632A (en) 1968-10-08 1972-05-30 Asahi Chemical Ind Method for the separation of acrylic acid from aqueous solution containing acrylic acid and acetic acid
JPS4924898B1 (pt) 1970-12-26 1974-06-26
DE2121123C3 (de) 1971-04-29 1980-06-12 Basf Ag, 6700 Ludwigshafen Verfahren zum Abtrennen von Wasser aus wäßrigen Lösungen von Acrylsäure durch azeotrope Destillation
JPS50117716A (pt) * 1974-03-06 1975-09-16
JPS55129239A (en) * 1979-03-28 1980-10-06 Mitsubishi Rayon Co Ltd Purification of methacrylic acid
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Also Published As

Publication number Publication date
DE19814449A1 (de) 1999-10-07
CN1295554A (zh) 2001-05-16
EP1066241B1 (de) 2004-08-18
DE59910285D1 (de) 2004-09-23
WO1999050221A2 (de) 1999-10-07
WO1999050221A3 (de) 1999-12-02
JP4555473B2 (ja) 2010-09-29
US6458989B1 (en) 2002-10-01
EP1066241A2 (de) 2001-01-10
JP2002509904A (ja) 2002-04-02

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Legal Events

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

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B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1911 DE 21/08/2007.