CN1068304C - 精制甲基丙烯酸的方法 - Google Patents

精制甲基丙烯酸的方法 Download PDF

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Publication number
CN1068304C
CN1068304C CN95119027A CN95119027A CN1068304C CN 1068304 C CN1068304 C CN 1068304C CN 95119027 A CN95119027 A CN 95119027A CN 95119027 A CN95119027 A CN 95119027A CN 1068304 C CN1068304 C CN 1068304C
Authority
CN
China
Prior art keywords
methacrylic acid
water
extract
acid
phase
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
CN95119027A
Other languages
English (en)
Chinese (zh)
Other versions
CN1127746A (zh
Inventor
胁村和生
羽势忠晴
濑崎义广
藤田耕士
矶部刚士
田所慎一
五十岚黄
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.)
Kuraray Co Ltd
Mitsui Chemical Industry Co Ltd
Original Assignee
Kuraray Co Ltd
Mitsui Chemical Industry 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 Kuraray Co Ltd, Mitsui Chemical Industry Co Ltd filed Critical Kuraray Co Ltd
Publication of CN1127746A publication Critical patent/CN1127746A/zh
Application granted granted Critical
Publication of CN1068304C publication Critical patent/CN1068304C/zh
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)
CN95119027A 1994-11-04 1995-11-04 精制甲基丙烯酸的方法 Expired - Lifetime CN1068304C (zh)

Applications Claiming Priority (3)

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
JP270826/94 1994-11-04
JP270826/1994 1994-11-04

Publications (2)

Publication Number Publication Date
CN1127746A CN1127746A (zh) 1996-07-31
CN1068304C true CN1068304C (zh) 2001-07-11

Family

ID=17491557

Family Applications (1)

Application Number Title Priority Date Filing Date
CN95119027A Expired - Lifetime CN1068304C (zh) 1994-11-04 1995-11-04 精制甲基丙烯酸的方法

Country Status (8)

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

Families Citing this family (11)

* 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
CN100334382C (zh) * 2001-11-07 2007-08-29 三菱化学株式会社 管线连接方法
DE10314203B4 (de) * 2003-03-28 2005-10-06 Stockhausen Gmbh Verfahren zur Abtrennung von (Meth)Acrylsäure aus einer (Meth)Acrylsäure-haltigen Zusammensetzung
RU2430907C2 (ru) * 2005-04-27 2011-10-10 Басф Акциенгезельшафт Способ ректификационного разделения содержащей акриловую кислоту и/или метакриловую кислоту жидкости
EP2085376B1 (en) 2008-01-30 2012-09-05 Evonik Röhm GmbH Process for preparation of high purity methacrylic acid
UY33901A (es) 2011-02-09 2012-09-28 Lucite Int Uk Ltd Un proceso para la producción de ácido (met)acrílico y derivados y polímeros 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
JP2016516732A (ja) 2013-03-18 2016-06-09 エボニック レーム ゲゼルシャフト ミット ベシュレンクテル ハフツングＥｖｏｎｉｋ Ｒｏｅｈｍ ＧｍｂＨ メタクリル酸及びメタクリル酸エステルの製造方法
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
KR102157488B1 (ko) * 2016-04-28 2020-09-18 미쯔비시 케미컬 주식회사 메타크릴산의 정제 방법 및 제조 방법
EP3608305A1 (en) 2018-08-10 2020-02-12 Röhm GmbH Process for producing methacrylic acid or methacrylic acid esters

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533750A (en) * 1979-07-19 1985-08-06 Mitsubishi Rayon Co. Ltd. Process for isolating methacrylic acid by extraction
EP0376117A1 (de) * 1988-12-28 1990-07-04 BASF Aktiengesellschaft Verfahren zur Herstellung von Methacrylsäure durch Oxidation von Methacrolein

Family Cites Families (8)

* 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
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533750A (en) * 1979-07-19 1985-08-06 Mitsubishi Rayon Co. Ltd. Process for isolating methacrylic acid by extraction
EP0376117A1 (de) * 1988-12-28 1990-07-04 BASF Aktiengesellschaft Verfahren zur Herstellung von Methacrylsäure durch Oxidation von Methacrolein

Also Published As

Publication number Publication date
JPH08134011A (ja) 1996-05-28
KR960017613A (ko) 1996-06-17
EP0710643B1 (en) 1998-10-14
TW299319B (enExample) 1997-03-01
CN1127746A (zh) 1996-07-31
DE69505335T2 (de) 1999-03-04
DE69505335D1 (de) 1998-11-19
US5959142A (en) 1999-09-28
EP0710643A1 (en) 1996-05-08
KR100189509B1 (ko) 1999-06-01
MY115630A (en) 2003-08-30

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Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C53 Correction of patent of invention or patent application
CB02 Change of applicant information

Applicant after: Mitsui Chemical Industry Co., Ltd.

Applicant before: Mitsui Toatsu Chem. Inc.

COR Change of bibliographic data

Free format text: CORRECT: APPLICANT; FROM: MITSUI TOATSU CHEMICALS, LTD. TO: MITSUI CHEMICALS, INC.

C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term

Granted publication date: 20010711

EXPY Termination of patent right or utility model