SG2014012561A - Process for preparation of methacrylic acid and methacrylic acid esters - Google Patents
Process for preparation of methacrylic acid and methacrylic acid estersInfo
- Publication number
- SG2014012561A SG2014012561A SG2014012561A SG2014012561A SG2014012561A SG 2014012561 A SG2014012561 A SG 2014012561A SG 2014012561 A SG2014012561 A SG 2014012561A SG 2014012561 A SG2014012561 A SG 2014012561A SG 2014012561 A SG2014012561 A SG 2014012561A
- Authority
- SG
- Singapore
- Prior art keywords
- methacrylic acid
- preparation
- acid esters
- esters
- methacrylic
- Prior art date
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0426—Counter-current multistage extraction towers in a vertical or sloping position
- B01D11/043—Counter-current multistage extraction towers in a vertical or sloping position with stationary contacting elements, sieve plates or loose contacting elements
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/20—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/09—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis
- C07C29/10—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of ethers, including cyclic ethers, e.g. oxiranes
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/58—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2011/079776 WO2013037136A1 (en) | 2011-09-16 | 2011-09-16 | Process for preparation of methacrylic acid and methacrylic acid esters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG2014012561A true SG2014012561A (en) | 2014-09-26 |
Family
ID=47882555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG2014012561A SG2014012561A (en) | 2011-09-16 | 2011-09-16 | Process for preparation of methacrylic acid and methacrylic acid esters |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JP6029669B2 (en) |
| KR (1) | KR20140064861A (en) |
| CN (1) | CN103796984B (en) |
| SA (1) | SA112330846B1 (en) |
| SG (1) | SG2014012561A (en) |
| TW (1) | TWI574943B (en) |
| WO (1) | WO2013037136A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103827071A (en) * | 2011-09-16 | 2014-05-28 | 赢创罗姆有限公司 | Process for preparation of methacrylic acid and methacrylic acid esters |
| CN110872231B (en) * | 2019-12-09 | 2022-02-18 | 万华化学集团股份有限公司 | Preparation and separation method of 6-hydroxyhexyl acrylate |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5148614A (en) * | 1974-10-22 | 1976-04-26 | Japan Synthetic Rubber Co Ltd | METAKURIRUSANNOBUNRIKAISHUHO |
| JPS54115318A (en) * | 1978-02-28 | 1979-09-07 | Sumitomo Chem Co Ltd | Recovery of methacrylic acid |
| JPS54119412A (en) * | 1978-03-06 | 1979-09-17 | Mitsubishi Chem Ind Ltd | Purification of methacrylic acid |
| JPS57144237A (en) * | 1981-03-04 | 1982-09-06 | Japan Synthetic Rubber Co Ltd | Preparation of methacrylic acid |
| JPH0753685B2 (en) * | 1987-06-16 | 1995-06-07 | 三井東圧化学株式会社 | Recovery method of by-product acetic acid in methacrylic acid production |
| JPH03279344A (en) * | 1990-03-27 | 1991-12-10 | Tosoh Corp | Method for reducing acetic acid concentration in acetic acid waste water |
| DE19709392A1 (en) * | 1997-03-07 | 1998-09-10 | Basf Ag | Process for the extraction of (meth) acrylic acid |
| JP2002128728A (en) * | 2000-10-19 | 2002-05-09 | Mitsubishi Rayon Co Ltd | Method for purifying methacrylic acid |
| US6737546B2 (en) * | 2001-11-13 | 2004-05-18 | Lurgi Ag | Extraction process for recovery of acrylic acid |
| AU2002366017A1 (en) * | 2001-11-20 | 2003-06-10 | Mitsubishi Chemical Corporation | Process for producing (meth)acrylic acid compounds |
| ES2659921T3 (en) * | 2007-05-25 | 2018-03-20 | Evonik Röhm Gmbh | Use of feed compositions in the preparation of methacrylic acid by oxidation |
| EP2085376B1 (en) * | 2008-01-30 | 2012-09-05 | Evonik Röhm GmbH | Process for preparation of high purity methacrylic acid |
| CN103827071A (en) * | 2011-09-16 | 2014-05-28 | 赢创罗姆有限公司 | Process for preparation of methacrylic acid and methacrylic acid esters |
-
2011
- 2011-09-16 KR KR1020147006615A patent/KR20140064861A/en not_active Application Discontinuation
- 2011-09-16 JP JP2014530070A patent/JP6029669B2/en not_active Expired - Fee Related
- 2011-09-16 SG SG2014012561A patent/SG2014012561A/en unknown
- 2011-09-16 CN CN201180073461.6A patent/CN103796984B/en not_active Expired - Fee Related
- 2011-09-16 WO PCT/CN2011/079776 patent/WO2013037136A1/en active Application Filing
-
2012
- 2012-09-12 TW TW101133296A patent/TWI574943B/en not_active IP Right Cessation
- 2012-09-15 SA SA112330846A patent/SA112330846B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN103796984B (en) | 2016-03-23 |
| KR20140064861A (en) | 2014-05-28 |
| CN103796984A (en) | 2014-05-14 |
| JP6029669B2 (en) | 2016-11-24 |
| TW201323399A (en) | 2013-06-16 |
| SA112330846B1 (en) | 2015-08-16 |
| JP2014528936A (en) | 2014-10-30 |
| TWI574943B (en) | 2017-03-21 |
| WO2013037136A1 (en) | 2013-03-21 |
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