CN103796983A - 甲基丙烯酸的制备 - Google Patents

甲基丙烯酸的制备 Download PDF

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Publication number
CN103796983A
CN103796983A CN201180073469.2A CN201180073469A CN103796983A CN 103796983 A CN103796983 A CN 103796983A CN 201180073469 A CN201180073469 A CN 201180073469A CN 103796983 A CN103796983 A CN 103796983A
Authority
CN
China
Prior art keywords
methacrylic acid
precipitation
aqueous solution
settling region
impurity
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.)
Pending
Application number
CN201180073469.2A
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English (en)
Chinese (zh)
Inventor
T·巴尔多夫
M·克斯特纳
张文星
H·格罗恩
A·亨斯特曼
M·克拉普弗尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Roehm GmbH Darmstadt
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
Priority to CN201710587973.3A priority Critical patent/CN107382705B/zh
Publication of CN103796983A publication Critical patent/CN103796983A/zh
Pending legal-status Critical Current

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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)
CN201180073469.2A 2011-09-16 2011-09-16 甲基丙烯酸的制备 Pending CN103796983A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710587973.3A CN107382705B (zh) 2011-09-16 2011-09-16 甲基丙烯酸的制备

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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201710587973.3A Division CN107382705B (zh) 2011-09-16 2011-09-16 甲基丙烯酸的制备

Publications (1)

Publication Number Publication Date
CN103796983A true CN103796983A (zh) 2014-05-14

Family

ID=47882551

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201180073469.2A Pending CN103796983A (zh) 2011-09-16 2011-09-16 甲基丙烯酸的制备
CN201710587973.3A Active CN107382705B (zh) 2011-09-16 2011-09-16 甲基丙烯酸的制备

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201710587973.3A Active CN107382705B (zh) 2011-09-16 2011-09-16 甲基丙烯酸的制备

Country Status (15)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107074715A (zh) * 2014-11-19 2017-08-18 赢创罗姆有限公司 制备甲基丙烯酸的优化方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3603805B1 (en) * 2017-03-27 2024-01-03 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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5872288A (en) * 1996-12-16 1999-02-16 Nippon Shokubai Co., Ltd. Process for producing (meth) acrylic acid
CN1646466A (zh) * 2002-03-15 2005-07-27 施拖克豪森有限公司 (甲基)丙烯酸晶体以及生产和提纯含水(甲基)丙烯酸的方法
CN1984863A (zh) * 2004-07-15 2007-06-20 施拖克豪森有限公司 提纯（甲基）丙烯酸的方法

Family Cites Families (9)

* 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
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
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
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
JP2002128728A (ja) * 2000-10-19 2002-05-09 Mitsubishi Rayon Co Ltd メタクリル酸の精製方法
EP2085376B1 (en) * 2008-01-30 2012-09-05 Evonik Röhm GmbH Process for preparation of high purity methacrylic acid

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5872288A (en) * 1996-12-16 1999-02-16 Nippon Shokubai Co., Ltd. Process for producing (meth) acrylic acid
CN1646466A (zh) * 2002-03-15 2005-07-27 施拖克豪森有限公司 (甲基)丙烯酸晶体以及生产和提纯含水(甲基)丙烯酸的方法
CN1984863A (zh) * 2004-07-15 2007-06-20 施拖克豪森有限公司 提纯（甲基）丙烯酸的方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107074715A (zh) * 2014-11-19 2017-08-18 赢创罗姆有限公司 制备甲基丙烯酸的优化方法
CN107074715B (zh) * 2014-11-19 2020-09-18 罗姆化学有限责任公司 制备甲基丙烯酸的优化方法

Also Published As

Publication number Publication date
IN2014CN02726A (enExample) 2015-07-03
AU2011376834A1 (en) 2014-02-13
KR20140060526A (ko) 2014-05-20
SA112330848B1 (ar) 2015-10-12
RU2014114865A (ru) 2015-10-27
SG2014012652A (en) 2014-08-28
CN107382705B (zh) 2021-08-10
JP2014532039A (ja) 2014-12-04
BR112014006346A2 (pt) 2017-04-04
CN107382705A (zh) 2017-11-24
TW201323400A (zh) 2013-06-16
WO2013037132A1 (en) 2013-03-21
ZA201401599B (en) 2015-08-26
KR101877099B1 (ko) 2018-08-09
JP6153527B2 (ja) 2017-06-28
MX2014002527A (es) 2014-05-28
EP2755941A1 (en) 2014-07-23
US20140187817A1 (en) 2014-07-03

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Application publication date: 20140514