JPS57144237A - Preparation of methacrylic acid - Google Patents
Preparation of methacrylic acidInfo
- Publication number
- JPS57144237A JPS57144237A JP2994081A JP2994081A JPS57144237A JP S57144237 A JPS57144237 A JP S57144237A JP 2994081 A JP2994081 A JP 2994081A JP 2994081 A JP2994081 A JP 2994081A JP S57144237 A JPS57144237 A JP S57144237A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- produced
- methacrolein
- methacrylic acid
- preparation
- 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.)
- Granted
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)
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 true JPS57144237A (en) | 1982-09-06 |
JPS6312458B2 JPS6312458B2 (es) | 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 (es) |
GB (1) | GB2096601B (es) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011255327A (ja) * | 2010-06-10 | 2011-12-22 | Mitsubishi Rayon Co Ltd | メタクリル酸製造用ヘテロポリ酸系触媒及びその製造方法、並びにメタクリル酸の製造方法 |
JP2014528934A (ja) * | 2011-09-16 | 2014-10-30 | 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 |
JP2014528936A (ja) * | 2011-09-16 | 2014-10-30 | 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 |
TWI773934B (zh) * | 2018-11-14 | 2022-08-11 | 日商住友化學股份有限公司 | 甲基丙烯酸之製造裝置 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1308737C (en) * | 1987-04-16 | 1992-10-13 | Syoichi Matsumoto | Process for producing methacrylic ester |
JPH01142357U (es) * | 1988-03-25 | 1989-09-29 | ||
DE19814421A1 (de) * | 1998-03-31 | 1999-10-07 | Basf Ag | Verfahren zur Herstellung von Acrylsäure und Acrylsäureestern |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51103664A (en) * | 1975-03-10 | 1976-09-13 | Nippon Catalytic Chem Ind | Haisuino ryohoho |
JPS5353613A (en) * | 1976-10-26 | 1978-05-16 | Nippon Zeon Co Ltd | Preparation of methacrylic acid |
JPS5448706A (en) * | 1977-09-06 | 1979-04-17 | Halcon Res & Dev | Method of recovering methacrolein from isobutylene contact oxidation reaction gas mixture |
JPS5821896A (ja) * | 1981-07-31 | 1983-02-08 | ソニー株式会社 | 電子部品の実装方法 |
-
1981
- 1981-03-04 JP JP2994081A patent/JPS57144237A/ja active Granted
-
1982
- 1982-03-04 GB GB8206428A patent/GB2096601B/en not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51103664A (en) * | 1975-03-10 | 1976-09-13 | Nippon Catalytic Chem Ind | Haisuino ryohoho |
JPS5353613A (en) * | 1976-10-26 | 1978-05-16 | Nippon Zeon Co Ltd | Preparation of methacrylic acid |
JPS5448706A (en) * | 1977-09-06 | 1979-04-17 | Halcon Res & Dev | Method of recovering methacrolein from isobutylene contact oxidation reaction gas mixture |
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 (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011255327A (ja) * | 2010-06-10 | 2011-12-22 | Mitsubishi Rayon Co Ltd | メタクリル酸製造用ヘテロポリ酸系触媒及びその製造方法、並びにメタクリル酸の製造方法 |
JP2014528934A (ja) * | 2011-09-16 | 2014-10-30 | 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 |
JP2014528936A (ja) * | 2011-09-16 | 2014-10-30 | 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 |
TWI773934B (zh) * | 2018-11-14 | 2022-08-11 | 日商住友化學股份有限公司 | 甲基丙烯酸之製造裝置 |
Also Published As
Publication number | Publication date |
---|---|
GB2096601B (en) | 1985-03-20 |
GB2096601A (en) | 1982-10-20 |
JPS6312458B2 (es) | 1988-03-18 |
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