DE69505335D1 - Verfahren zur Reinigung von Methacrylsäure - Google Patents

Verfahren zur Reinigung von Methacrylsäure

Info

Publication number
DE69505335D1
DE69505335D1 DE69505335T DE69505335T DE69505335D1 DE 69505335 D1 DE69505335 D1 DE 69505335D1 DE 69505335 T DE69505335 T DE 69505335T DE 69505335 T DE69505335 T DE 69505335T DE 69505335 D1 DE69505335 D1 DE 69505335D1
Authority
DE
Germany
Prior art keywords
purification
methacrylic acid
methacrylic
acid
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 - Lifetime
Application number
DE69505335T
Other languages
English (en)
Other versions
DE69505335T2 (de
Inventor
Kazuo Wakimura
Koji Fujita
Tadaharu Hase
Takeshi Isobe
Rensuke Ikarashi
Yoshihiro Sezaki
Shin-Ichi Tadokoro
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.)
Mitsui Chemicals Inc
Kuraray Co Ltd
Original Assignee
Mitsui Chemicals Inc
Kuraray Co Ltd
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 Mitsui Chemicals Inc, Kuraray Co Ltd filed Critical Mitsui Chemicals Inc
Application granted granted Critical
Publication of DE69505335D1 publication Critical patent/DE69505335D1/de
Publication of DE69505335T2 publication Critical patent/DE69505335T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • C07C51/42—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
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment

Landscapes

  • 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)
DE69505335T 1994-11-04 1995-11-02 Verfahren zur Reinigung von Methacrylsäure Expired - Lifetime DE69505335T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6270826A JPH08134011A (ja) 1994-11-04 1994-11-04 メタクリル酸の精製方法

Publications (2)

Publication Number Publication Date
DE69505335D1 true DE69505335D1 (de) 1998-11-19
DE69505335T2 DE69505335T2 (de) 1999-03-04

Family

ID=17491557

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69505335T Expired - Lifetime DE69505335T2 (de) 1994-11-04 1995-11-02 Verfahren zur Reinigung von Methacrylsäure

Country Status (8)

Country Link
US (1) US5959142A (de)
EP (1) EP0710643B1 (de)
JP (1) JPH08134011A (de)
KR (1) KR100189509B1 (de)
CN (1) CN1068304C (de)
DE (1) DE69505335T2 (de)
MY (1) MY115630A (de)
TW (1) TW299319B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19709392A1 (de) * 1997-03-07 1998-09-10 Basf Ag Verfahren zur Extraktion von (Meth)acrylsäure
CN1281572C (zh) * 2001-11-07 2006-10-25 三菱化学株式会社 制备和/或纯化丙烯酸和/或甲基丙烯酸化合物的方法
DE10314203B4 (de) * 2003-03-28 2005-10-06 Stockhausen Gmbh Verfahren zur Abtrennung von (Meth)Acrylsäure aus einer (Meth)Acrylsäure-haltigen Zusammensetzung
EP2085376B1 (de) 2008-01-30 2012-09-05 Evonik Röhm GmbH Verfahren zur Herstellung hochreiner Methacrylsäure
AR085338A1 (es) 2011-02-09 2013-09-25 Lucite Int Uk Ltd Un proceso para la produccion de acido (met)acrilico y derivados y polimeros producidos a partir del mismo
WO2013163806A1 (en) 2012-05-03 2013-11-07 Evonik Industries Ag Process for preparation of highly pure, non-yellowing methacrylic acid
US9732023B2 (en) 2013-03-18 2017-08-15 Evonik Roehm Gmbh Process for preparation of methacrylic acid and methacrylic acid esters
CN103819331B (zh) * 2014-02-28 2015-08-05 山东易达利化工有限公司 一种甲基丙烯酸的脱色和提纯方法
CN109071402B (zh) * 2016-04-28 2021-10-15 三菱化学株式会社 甲基丙烯酸的精制方法和制造方法
EP3608305A1 (de) 2018-08-10 2020-02-12 Röhm GmbH Verfahren zur herstellung von methacrylsäure oder methacrylsäureestern

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE862887C (de) * 1943-05-13 1953-01-15 Basf Ag Verfahren zur Gewinnung wasserloeslicher organischer Saeuren
FR1084487A (fr) * 1953-09-30 1955-01-19 Anglo Iranian Oil Co Ltd Procédé de séparation d'acides gras à partir de mélanges organiques
GB997325A (en) * 1963-06-20 1965-07-07 Distillers Co Yeast Ltd Recovery of acrylic acid
JPS6016927B2 (ja) * 1979-07-19 1985-04-30 三菱レイヨン株式会社 メタクリル酸の抽出分離法
JPS60152438A (ja) 1984-01-21 1985-08-10 Nippon Shokubai Kagaku Kogyo Co Ltd メタクリル酸の精製方法
JPH066551B2 (ja) 1984-02-24 1994-01-26 日本化薬株式会社 メタクリル酸の精製分離方法
US4879412A (en) 1985-03-14 1989-11-07 Mitsui Toatsu Chemicals, Inc. Purification process of methacrylic acid
US5196578A (en) 1987-10-09 1993-03-23 Mitsui Toatsu Chemicals, Incorporated Purification process of methacrylic acid
JPH01193740A (ja) 1988-01-29 1989-08-03 Konica Corp 熱現像画形成装置
DE3844087A1 (de) * 1988-12-28 1990-07-05 Basf Ag Verfahren zur herstellung von methacrylsaeure durch oxidation von methacrolein

Also Published As

Publication number Publication date
EP0710643B1 (de) 1998-10-14
KR100189509B1 (ko) 1999-06-01
EP0710643A1 (de) 1996-05-08
JPH08134011A (ja) 1996-05-28
DE69505335T2 (de) 1999-03-04
CN1068304C (zh) 2001-07-11
US5959142A (en) 1999-09-28
MY115630A (en) 2003-08-30
CN1127746A (zh) 1996-07-31
KR960017613A (ko) 1996-06-17
TW299319B (de) 1997-03-01

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8364 No opposition during term of opposition