KR101877099B1 - 메타크릴산의 제조 - Google Patents

메타크릴산의 제조 Download PDF

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Publication number
KR101877099B1
KR101877099B1 KR1020147006576A KR20147006576A KR101877099B1 KR 101877099 B1 KR101877099 B1 KR 101877099B1 KR 1020147006576 A KR1020147006576 A KR 1020147006576A KR 20147006576 A KR20147006576 A KR 20147006576A KR 101877099 B1 KR101877099 B1 KR 101877099B1
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KR
South Korea
Prior art keywords
methacrylic acid
aqueous solution
precipitation
containing aqueous
crude
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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
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KR1020147006576A
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English (en)
Korean (ko)
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KR20140060526A (ko
Inventor
토르스텐 발두프
마르틴 쾨스트너
벤싱 장
하이디 그로엔
악셀 헹스테르만
마야 크라펠
Original Assignee
에보니크 룀 게엠베하
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Publication of KR20140060526A publication Critical patent/KR20140060526A/ko
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Publication of KR101877099B1 publication Critical patent/KR101877099B1/ko
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    • 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
    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
KR1020147006576A 2011-09-16 2011-09-16 메타크릴산의 제조 Expired - Fee Related KR101877099B1 (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/079765 WO2013037132A1 (en) 2011-09-16 2011-09-16 Preparation of methacrylic acid

Publications (2)

Publication Number Publication Date
KR20140060526A KR20140060526A (ko) 2014-05-20
KR101877099B1 true KR101877099B1 (ko) 2018-08-09

Family

ID=47882551

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KR1020147006576A Expired - Fee Related KR101877099B1 (ko) 2011-09-16 2011-09-16 메타크릴산의 제조

Country Status (15)

Country Link
US (1) US20140187817A1 (https=)
EP (1) EP2755941A1 (https=)
JP (1) JP6153527B2 (https=)
KR (1) KR101877099B1 (https=)
CN (2) CN103796983A (https=)
AU (1) AU2011376834A1 (https=)
BR (1) BR112014006346A2 (https=)
IN (1) IN2014CN02726A (https=)
MX (1) MX2014002527A (https=)
RU (1) RU2014114865A (https=)
SA (1) SA112330848B1 (https=)
SG (1) SG2014012652A (https=)
TW (1) TW201323400A (https=)
WO (1) WO2013037132A1 (https=)
ZA (1) ZA201401599B (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3023408A1 (de) * 2014-11-19 2016-05-25 Evonik Röhm GmbH Optimiertes Verfahren zur Herstellung von Methacrylsäure
CA3058093A1 (en) 2017-03-27 2018-10-04 Mitsubishi Chemical Corporation Catalyst and catalyst group
WO2018181226A1 (ja) 2017-03-27 2018-10-04 三菱ケミカル株式会社 触媒及び触媒群
EP3889127A1 (en) 2020-04-03 2021-10-06 Röhm GmbH Improved safe method for tandem c-4 oxidation to methacrylic acid

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008506653A (ja) * 2004-07-15 2008-03-06 ストックハウゼン ゲーエムベーハー （メタ）アクリル酸の製造方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0780810B2 (ja) * 1987-08-05 1995-08-30 三井東圧化学株式会社 メタクリル酸水溶液の処理方法
CA1316545C (en) * 1987-06-27 1993-04-20 Morimasa Kuragano Quenching process of reaction product gas containing methacrylic acid and treatment method of quenched liquid
JPH0780809B2 (ja) * 1987-08-05 1995-08-30 三井東圧化学株式会社 メタクリル酸水溶液の処理方法
JPH0780811B2 (ja) * 1987-08-05 1995-08-30 三井東圧化学株式会社 メタクリル酸水溶液の処理方法
JPH0764775B2 (ja) * 1988-03-08 1995-07-12 三井東圧化学株式会社 メタクロレインの吸収方法
JPH05262691A (ja) * 1992-03-19 1993-10-12 Nippon Shokubai Co Ltd フマル酸の製造方法
JP3417085B2 (ja) * 1994-09-16 2003-06-16 栗田工業株式会社 殺菌剤包接化合物の製造方法
JP3279491B2 (ja) * 1996-12-16 2002-04-30 株式会社日本触媒 （メタ）アクリル酸の製造方法
JP2002128728A (ja) * 2000-10-19 2002-05-09 Mitsubishi Rayon Co Ltd メタクリル酸の精製方法
DE10211686A1 (de) * 2002-03-15 2003-10-02 Stockhausen Chem Fab Gmbh (Meth)Acrylsäurekristall und Verfahren zur Herstellung und Aufreinigung von wässriger (Meth)Acrylsäure
EP2085376B1 (en) * 2008-01-30 2012-09-05 Evonik Röhm GmbH Process for preparation of high purity methacrylic acid

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008506653A (ja) * 2004-07-15 2008-03-06 ストックハウゼン ゲーエムベーハー （メタ）アクリル酸の製造方法

Also Published As

Publication number Publication date
RU2014114865A (ru) 2015-10-27
IN2014CN02726A (https=) 2015-07-03
JP2014532039A (ja) 2014-12-04
KR20140060526A (ko) 2014-05-20
CN107382705B (zh) 2021-08-10
JP6153527B2 (ja) 2017-06-28
CN103796983A (zh) 2014-05-14
TW201323400A (zh) 2013-06-16
SA112330848B1 (ar) 2015-10-12
EP2755941A1 (en) 2014-07-23
ZA201401599B (en) 2015-08-26
CN107382705A (zh) 2017-11-24
SG2014012652A (en) 2014-08-28
BR112014006346A2 (pt) 2017-04-04
AU2011376834A1 (en) 2014-02-13
WO2013037132A1 (en) 2013-03-21
MX2014002527A (es) 2014-05-28
US20140187817A1 (en) 2014-07-03

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