SG2014012587A - Process for preparation of methacrylic acid and methacrylic acid esters - Google Patents
Process for preparation of methacrylic acid and methacrylic acid estersInfo
- Publication number
- SG2014012587A SG2014012587A SG2014012587A SG2014012587A SG2014012587A SG 2014012587 A SG2014012587 A SG 2014012587A SG 2014012587 A SG2014012587 A SG 2014012587A SG 2014012587 A SG2014012587 A SG 2014012587A SG 2014012587 A SG2014012587 A SG 2014012587A
- 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
- B01D9/00—Crystallisation
- B01D9/0004—Crystallisation cooling by heat exchange
- B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/004—Fractional crystallisation; Fractionating or rectifying columns
- B01D9/0045—Washing of crystals, e.g. in wash columns
-
- 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
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
-
- 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
-
- 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/CN2011/079774 WO2013037134A1 (en) | 2011-09-16 | 2011-09-16 | Process for preparation of methacrylic acid and methacrylic acid esters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG2014012587A true SG2014012587A (en) | 2014-06-27 |
Family
ID=47882553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG2014012587A SG2014012587A (en) | 2011-09-16 | 2011-09-16 | Process for preparation of methacrylic acid and methacrylic acid esters |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JP6008969B2 (en) |
| KR (1) | KR101877597B1 (en) |
| CN (2) | CN108373409A (en) |
| MY (1) | MY161504A (en) |
| SA (1) | SA112330845B1 (en) |
| SG (1) | SG2014012587A (en) |
| TW (1) | TWI627161B (en) |
| WO (1) | WO2013037134A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG2014012561A (en) * | 2011-09-16 | 2014-09-26 | Evonik Roehm Gmbh | Process for preparation of methacrylic acid and methacrylic acid esters |
| JP6092221B2 (en) * | 2011-09-16 | 2017-03-08 | 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 | Method for producing methacrylic acid and methacrylic acid ester |
| KR101628287B1 (en) * | 2013-07-22 | 2016-06-08 | 주식회사 엘지화학 | Process for continuous recovering (meth)acrylic acid and apparatus for the process |
| WO2015012551A1 (en) * | 2013-07-22 | 2015-01-29 | 주식회사 엘지화학 | Method and apparatus for continuously recovering (meth)acrylic acid |
| US9718756B2 (en) | 2013-07-23 | 2017-08-01 | Lg Chem, Ltd. | Method for continuously recovering (meth)acrylic acid and apparatus for the method |
| KR101601938B1 (en) * | 2013-08-30 | 2016-03-09 | 주식회사 엘지화학 | Process for continuous recovering (meth)acrylic acid and apparatus for the process |
| WO2024049105A1 (en) * | 2022-08-30 | 2024-03-07 | 주식회사 엘지화학 | Method for preparing high-purity (meth)acrylic acid |
Family Cites Families (12)
| 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 |
| 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 |
| JP2002193875A (en) * | 2000-12-27 | 2002-07-10 | Mitsubishi Rayon Co Ltd | Method for recovering methacrylic acid |
| DE10242746B4 (en) * | 2002-09-13 | 2010-07-01 | Evonik Degussa Gmbh | Washing device, a process for cleaning a laundry and the use of the washing device |
| SI1995231T1 (en) * | 2007-05-25 | 2014-03-31 | Evonik Roehm Gmbh | Process for preparation of methyl methacrylate using recycled methanol |
| EP2085376B1 (en) * | 2008-01-30 | 2012-09-05 | Evonik Röhm GmbH | Process for preparation of high purity methacrylic acid |
| SG2014012561A (en) * | 2011-09-16 | 2014-09-26 | Evonik Roehm Gmbh | Process for preparation of methacrylic acid and methacrylic acid esters |
| JP6092221B2 (en) * | 2011-09-16 | 2017-03-08 | 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 | Method for producing methacrylic acid and methacrylic acid ester |
-
2011
- 2011-09-16 JP JP2014530068A patent/JP6008969B2/en active Active
- 2011-09-16 KR KR1020147006620A patent/KR101877597B1/en active IP Right Grant
- 2011-09-16 WO PCT/CN2011/079774 patent/WO2013037134A1/en active Application Filing
- 2011-09-16 SG SG2014012587A patent/SG2014012587A/en unknown
- 2011-09-16 CN CN201810206739.6A patent/CN108373409A/en active Pending
- 2011-09-16 MY MYPI2014000746A patent/MY161504A/en unknown
- 2011-09-16 CN CN201180073459.9A patent/CN103827071A/en active Pending
-
2012
- 2012-09-12 TW TW101133297A patent/TWI627161B/en not_active IP Right Cessation
- 2012-09-15 SA SA112330845A patent/SA112330845B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| MY161504A (en) | 2017-04-14 |
| JP6008969B2 (en) | 2016-10-19 |
| WO2013037134A1 (en) | 2013-03-21 |
| TWI627161B (en) | 2018-06-21 |
| SA112330845B1 (en) | 2015-07-07 |
| CN108373409A (en) | 2018-08-07 |
| CN103827071A (en) | 2014-05-28 |
| JP2014528935A (en) | 2014-10-30 |
| KR20140060528A (en) | 2014-05-20 |
| TW201329035A (en) | 2013-07-16 |
| KR101877597B1 (en) | 2018-07-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2894224A4 (en) | Method for producing methacrylic acid and/or ester thereof | |
| EP2694663A4 (en) | Microorganisms for producing methacrylic acid and methacrylate esters and methods related thereto | |
| IL233413A (en) | Methods of forming 4-chloro-2-fluoro-3-substituted-phenylboronic acid pinacol esters | |
| HK1194360A1 (en) | Processes for producing acrylic acids and acrylates | |
| EP2848694A4 (en) | Method for producing methacrylic acid ester | |
| EP2444389A4 (en) | Process for preparation of 2-fluoroacrylic esters | |
| SG11201507796VA (en) | Process for preparation of methacrylic acid and methacrylic acid esters | |
| SG2014012587A (en) | Process for preparation of methacrylic acid and methacrylic acid esters | |
| EP2781260A4 (en) | Catalyst for production of methacrylic acid and method for producing methacrylic acid using same | |
| HK1197671A1 (en) | Process for the preparation of (5-fluoro-2-methyl-3-quinolin-2-ylmethyl- indol-1-yl)-acetic acid esters (5--2--3--2--)- | |
| ZA201308894B (en) | Process for preparing methacrylic acid | |
| RS55972B1 (en) | Processes for producing acrylic acids and acrylates | |
| BR112013008191A2 (en) | method for producing esters of methacrylic acid | |
| RS55954B1 (en) | Processes for producing acrylic acids and acrylates | |
| HK1200458A1 (en) | Methods of isolating 4-chloro-2-fluoro-3-substituted-phenylboronic acids 4--2--3-- | |
| RS56041B1 (en) | Processes for producing acrylic acids and acrylates | |
| SG2014012637A (en) | Process for preparation of methacrylic acid and methacrylic acid ester | |
| ZA201401599B (en) | Preparation of methacrylic acid | |
| SG2014012561A (en) | Process for preparation of methacrylic acid and methacrylic acid esters | |
| EP2755990A4 (en) | Method for preparation of betulinic acid | |
| EP2755989A4 (en) | Method for preparation of betulinic acid | |
| EP2755991A4 (en) | Method for preparation of betulinic acid | |
| HK1207377A1 (en) | Process for the preparation of 2-trifluoromethyl isonicotinic acid and esters 2- | |
| TH148772B (en) | Process for the preparation of methacrylic acid and methacrylic acid esters. | |
| PL394242A1 (en) | Process for the preparation of acrylic and methacrylic multiesters |