JPS6312458B2 - - Google Patents

Info

Publication number
JPS6312458B2
JPS6312458B2 JP56029940A JP2994081A JPS6312458B2 JP S6312458 B2 JPS6312458 B2 JP S6312458B2 JP 56029940 A JP56029940 A JP 56029940A JP 2994081 A JP2994081 A JP 2994081A JP S6312458 B2 JPS6312458 B2 JP S6312458B2
Authority
JP
Japan
Prior art keywords
methacrolein
acetic acid
methacrylic acid
gas
conduit
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
Application number
JP56029940A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57144237A (en
Inventor
Akira Iio
Itsuo Nishiwaki
Toshio Oohara
Masatoshi Arakawa
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.)
JSR Corp
Original Assignee
Japan Synthetic Rubber 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 Japan Synthetic Rubber Co Ltd filed Critical Japan Synthetic Rubber Co Ltd
Priority to JP2994081A priority Critical patent/JPS57144237A/ja
Priority to GB8206428A priority patent/GB2096601B/en
Publication of JPS57144237A publication Critical patent/JPS57144237A/ja
Publication of JPS6312458B2 publication Critical patent/JPS6312458B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
    • C07C51/252—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
    • C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
    • C07C45/34—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
    • C07C45/35—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds in propene or isobutene
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
    • C07C45/37—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/23—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/23—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups
    • C07C51/235—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups of —CHO groups or primary alcohol groups
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP2994081A 1981-03-04 1981-03-04 Preparation of methacrylic acid Granted JPS57144237A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2994081A JPS57144237A (en) 1981-03-04 1981-03-04 Preparation of methacrylic acid
GB8206428A GB2096601B (en) 1981-03-04 1982-03-04 Process for producing methacrylic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2994081A JPS57144237A (en) 1981-03-04 1981-03-04 Preparation of methacrylic acid

Publications (2)

Publication Number Publication Date
JPS57144237A JPS57144237A (en) 1982-09-06
JPS6312458B2 true JPS6312458B2 (OSRAM) 1988-03-18

Family

ID=12289981

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2994081A Granted JPS57144237A (en) 1981-03-04 1981-03-04 Preparation of methacrylic acid

Country Status (2)

Country Link
JP (1) JPS57144237A (OSRAM)
GB (1) GB2096601B (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01142357U (OSRAM) * 1988-03-25 1989-09-29

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1308737C (en) * 1987-04-16 1992-10-13 Syoichi Matsumoto Process for producing methacrylic ester
DE19814421A1 (de) * 1998-03-31 1999-10-07 Basf Ag Verfahren zur Herstellung von Acrylsäure und Acrylsäureestern
JP5691252B2 (ja) * 2010-06-10 2015-04-01 三菱レイヨン株式会社 メタクリル酸製造用ヘテロポリ酸系触媒の製造方法、及びメタクリル酸の製造方法
KR20140060529A (ko) * 2011-09-16 2014-05-20 에보니크 룀 게엠베하 메타크릴산 및 메타크릴산 에스테르의 제조 방법
JP6029669B2 (ja) * 2011-09-16 2016-11-24 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 メタクリル酸およびメタクリル酸エステルの製造方法
JP6611391B1 (ja) * 2018-11-14 2019-11-27 住友化学株式会社 メタクリル酸の製造装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5821896B2 (ja) * 1975-03-10 1983-05-04 株式会社日本触媒 ハイスイノ リヨウホウホウ
JPS5353613A (en) * 1976-10-26 1978-05-16 Nippon Zeon Co Ltd Preparation of methacrylic acid
US4092132A (en) * 1977-09-06 1978-05-30 Halcon Research And Development Corp. Recovery of methacrolein
JPS5821896A (ja) * 1981-07-31 1983-02-08 ソニー株式会社 電子部品の実装方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01142357U (OSRAM) * 1988-03-25 1989-09-29

Also Published As

Publication number Publication date
GB2096601A (en) 1982-10-20
GB2096601B (en) 1985-03-20
JPS57144237A (en) 1982-09-06

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