KR970008591B1 - 메타크릴산의 제조방법 - Google Patents

메타크릴산의 제조방법 Download PDF

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Publication number
KR970008591B1
KR970008591B1 KR1019910017651A KR910017651A KR970008591B1 KR 970008591 B1 KR970008591 B1 KR 970008591B1 KR 1019910017651 A KR1019910017651 A KR 1019910017651A KR 910017651 A KR910017651 A KR 910017651A KR 970008591 B1 KR970008591 B1 KR 970008591B1
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KR
South Korea
Prior art keywords
methacrylic acid
hydroxy isobutyric
producing methacrylic
isobutyric acid
producing
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.)
Expired - Fee Related
Application number
KR1019910017651A
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English (en)
Korean (ko)
Other versions
KR920009768A (ko
Inventor
요시가즈 시마
다까푸미 아베
히로푸미 히구찌
Original Assignee
미쓰비시 가스 가가꾸 가부시끼가이샤
니시까와 레이지
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Publication date
Application filed by 미쓰비시 가스 가가꾸 가부시끼가이샤, 니시까와 레이지 filed Critical 미쓰비시 가스 가가꾸 가부시끼가이샤
Publication of KR920009768A publication Critical patent/KR920009768A/ko
Application granted granted Critical
Publication of KR970008591B1 publication Critical patent/KR970008591B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
    • C07C57/02—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
    • C07C57/03—Monocarboxylic acids
    • C07C57/04—Acrylic acid; Methacrylic acid
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
KR1019910017651A 1990-11-28 1991-10-09 메타크릴산의 제조방법 Expired - Fee Related KR970008591B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2322464A JP2959121B2 (ja) 1990-11-28 1990-11-28 メタクリル酸の製造法
JP90-322464 1990-11-28

Publications (2)

Publication Number Publication Date
KR920009768A KR920009768A (ko) 1992-06-25
KR970008591B1 true KR970008591B1 (ko) 1997-05-27

Family

ID=18143944

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910017651A Expired - Fee Related KR970008591B1 (ko) 1990-11-28 1991-10-09 메타크릴산의 제조방법

Country Status (7)

Country Link
US (1) US5225594A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0487853B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JP2959121B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR970008591B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE69115862T2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES2084743T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TW (1) TW307752B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5824818A (en) * 1994-02-21 1998-10-20 Mitsubishi Gas Chemical Company, Inc. Process for preparing lactate
JP3191842B2 (ja) * 1994-02-21 2001-07-23 三菱瓦斯化学株式会社 乳酸エステルの製造法
US6582943B1 (en) 2002-02-05 2003-06-24 E. I. Du Pont De Nemours And Company Method for producing 2-hydroxyisobutyric acid and methacrylic acid from acetone cyanohydrin
JP4032033B2 (ja) * 2003-06-30 2008-01-16 ローム アンド ハース カンパニー 高純度メタクリル酸の製造法
DE102004006826A1 (de) 2004-02-11 2005-08-25 Röhm GmbH & Co. KG Verfahren zur Herstellung von alpha-Hydroxy-carbonsäuren und deren Ester
DE102005023975A1 (de) * 2005-05-20 2006-11-23 Röhm Gmbh Verfahren zur Herstellung von Alkyl(meth)acrylaten
CN101448949B (zh) * 2006-03-24 2013-09-18 赢创罗姆有限责任公司 酶促制备2-羟基-2-甲基羧酸的方法
DE102006017760A1 (de) * 2006-03-24 2007-09-27 Ufz-Umweltforschungszentrum Leipzig-Halle Gmbh Verfahren zur enzymatischen Herstellung von 2-Hydroxy-2-methylcarbonsäuren
DE102006055427A1 (de) * 2006-11-22 2008-05-29 Evonik Röhm Gmbh Verfahren zur Herstellung von Tetramethylglycolid
DE102008002715A1 (de) 2008-06-27 2009-12-31 Evonik Röhm Gmbh 2-Hydroxyisobuttersäure produzierende rekombinante Zelle
DE102008040193A1 (de) 2008-07-04 2010-01-07 Evonik Röhm Gmbh Verfahren zur Herstellung freier Carbonsäuren
DE102008040415A1 (de) 2008-07-15 2010-01-21 Evonik Röhm Gmbh Thermisches Salzspalten von Ammoniumcarboxylaten
DE102009029651A1 (de) 2009-09-22 2011-03-24 Evonik Röhm Gmbh Verfahren zur Herstellung freier Carbonsäuren
TWI373592B (en) 2009-09-30 2012-10-01 Everlight Electronics Co Ltd Light source module
DE102011076642A1 (de) 2011-05-27 2012-11-29 Evonik Röhm Gmbh Verfahren zur Herstellung von Methacrylsäure
DE102013209821A1 (de) 2013-05-27 2014-11-27 Evonik Industries Ag Verfahren zur Dehydratisierung von alpha-substituierten Carbonsäuren
DE102014204621A1 (de) 2014-03-13 2015-09-17 Evonik Industries Ag Verfahren zur Rektifikation von hydroxycarbonsäurehaltigen Gemischen
DE102014209650A1 (de) 2014-05-21 2015-11-26 Evonik Industries Ag Verfahren zur Durchführung von Eliminierungsreaktionen an alpha-beta-substituierten Carbonsäuren unter homogener Katalyse und Katalysatorrezyklierung
DE102014213016A1 (de) 2014-07-04 2016-01-07 Evonik Röhm Gmbh Dehydratisierung von alpha-substituierten Carbonsäuren in Gegenwart von Wasser bei hohen Drücken
EP3144291A1 (de) 2015-09-16 2017-03-22 Evonik Röhm GmbH Synthese von methacrylsäure aus auf methacrolein basierenden alkylmethacrylat
DE102016210285A1 (de) 2016-06-10 2017-12-14 Evonik Röhm Gmbh Verfahren zur Herstellung von Methacrylaten und Methacrylsäure
CN117043132A (zh) 2021-03-15 2023-11-10 罗姆化学有限责任公司 通过甲基丙烯酸甲酯的催化水解连续制备甲基丙烯酸的新方法
EP4452919A1 (de) 2021-12-23 2024-10-30 Röhm GmbH Verfahren zur herstellung von alkylmethacrylaten mit verbesserter ausbeute und verminderten emissionen flüchtiger organischer verbindungen
WO2023169810A1 (de) 2022-03-11 2023-09-14 Röhm Gmbh Verfahren zur herstellung von alpha-hydroxyisobuttersäuremethylester und dessen anwendung in der elektronik-industrie
WO2025125187A1 (de) 2023-12-13 2025-06-19 Röhm Gmbh Verfahren zur kontinuierlichen herstellung von methacrylsäure durch hydrolyse von alkylmethacrylaten

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1215702A (fr) * 1957-10-29 1960-04-20 Escambia Chem Corp Perfectionnements à la production de l'acide méthacrylique et de ses esters
US4351955A (en) * 1980-11-05 1982-09-28 Shell Oil Company Alpha-hydroxyisobutyric acid process
JP2893730B2 (ja) * 1989-07-04 1999-05-24 三菱瓦斯化学株式会社 メタクリル酸メチルの製造法

Also Published As

Publication number Publication date
KR920009768A (ko) 1992-06-25
DE69115862T2 (de) 1996-05-30
EP0487853A2 (en) 1992-06-03
DE69115862D1 (de) 1996-02-08
EP0487853B1 (en) 1995-12-27
ES2084743T3 (es) 1996-05-16
EP0487853A3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1994-03-23
US5225594A (en) 1993-07-06
JP2959121B2 (ja) 1999-10-06
TW307752B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1997-06-11
JPH04198152A (ja) 1992-07-17

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