BR9804644A - Processo para a preparação de (met) acrilatos de alquila. - Google Patents
Processo para a preparação de (met) acrilatos de alquila.Info
- Publication number
- BR9804644A BR9804644A BR9804644-6A BR9804644A BR9804644A BR 9804644 A BR9804644 A BR 9804644A BR 9804644 A BR9804644 A BR 9804644A BR 9804644 A BR9804644 A BR 9804644A
- Authority
- BR
- Brazil
- Prior art keywords
- acrylates
- alkyl
- meth
- preparation
- starting materials
- Prior art date
Links
Classifications
-
- 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
- C07C67/60—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
-
- 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
- C07C67/62—Use of additives, e.g. for stabilisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/52—Esters of acyclic unsaturated carboxylic acids having the esterified carboxyl group bound to an acyclic carbon atom
- C07C69/533—Monocarboxylic acid esters having only one carbon-to-carbon double bond
- C07C69/54—Acrylic acid esters; Methacrylic acid esters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
"PROCESSO PARA A PREPARAçãO DE (MET)ACRILATOS DE ALQUILA". é divulgado um processo para a preparação de acrilatos de alquila. O processo proporciona a síntese de (met)acrilatos de alquila, a hidrólise das impurezas do processo retornando aos materiais de partida e a separação dos materiais de partida e dos produtos da reação em um único reator.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6693997P | 1997-11-17 | 1997-11-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9804644A true BR9804644A (pt) | 2000-02-01 |
Family
ID=22072698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9804644-6A BR9804644A (pt) | 1997-11-17 | 1998-11-16 | Processo para a preparação de (met) acrilatos de alquila. |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0916643B1 (pt) |
JP (1) | JP4111254B2 (pt) |
KR (1) | KR100513482B1 (pt) |
CN (1) | CN1127473C (pt) |
BR (1) | BR9804644A (pt) |
CA (1) | CA2252748A1 (pt) |
DE (1) | DE69803027T2 (pt) |
ES (1) | ES2169484T3 (pt) |
TW (1) | TW422833B (pt) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6482976B1 (en) | 1999-06-17 | 2002-11-19 | Union Carbide Chemicals & Plastics Technology Corporation | Processes for conducting equilibrium-limited reactions |
WO2000078702A1 (en) * | 1999-06-17 | 2000-12-28 | Union Carbide Chemicals & Plastics | Processes for conducting equilibrium-limited reactions |
DE19937911A1 (de) | 1999-08-11 | 2001-02-15 | Cognis Deutschland Gmbh | Verfahren zum Herstellen von Estern aus ungesättigten Carbonsäuren und mehrwertigen Alkoholen |
JP4493063B2 (ja) * | 2000-03-02 | 2010-06-30 | 伯東株式会社 | スチレンの重合抑制方法 |
JP3992643B2 (ja) | 2003-05-09 | 2007-10-17 | 株式会社日本触媒 | (メタ)アクリル酸および/またはそのエステルの蒸留方法 |
DE102005023976A1 (de) | 2005-05-20 | 2006-11-23 | Röhm Gmbh | Verfahren zur Umesterung |
SG190284A1 (en) * | 2010-11-22 | 2013-06-28 | Rohm & Haas | Acrylate production process |
CN102173990A (zh) * | 2011-03-16 | 2011-09-07 | 抚州市嘉临化工助剂厂 | 一种丙烯酸丁酯的制备方法 |
US9399622B2 (en) | 2013-12-03 | 2016-07-26 | Ecolab Usa Inc. | Nitroxide hydroxylamine and phenylenediamine combinations as polymerization inhibitors for ethylenically unsaturated monomer processes |
CN104502520B (zh) * | 2014-12-03 | 2016-06-22 | 江门谦信化工发展有限公司 | 一种丙烯酸丁酯反应釜中对甲苯磺酸含量的测定方法 |
EP4299155A1 (en) * | 2022-06-27 | 2024-01-03 | Evonik Operations GmbH | Process to precisely calculate the raw material demand of intermediate batches within a production campaign |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3146191A1 (de) * | 1981-11-21 | 1983-05-26 | Röhm GmbH, 6100 Darmstadt | Verfahren zum kontinuierlichen verestern von methacrylsaeure |
US5322960A (en) * | 1993-04-15 | 1994-06-21 | Nippon Shokubai Co., Ltd. | Method for inhibiting polymerization of (meth) acrylic acid and esters thereof |
DE19510891A1 (de) * | 1995-03-24 | 1996-09-26 | Basf Ag | Verfahren zur kontinuierlicheen Herstellung von Alkylestern der (Meth)acrylsäure |
DE19536178A1 (de) * | 1995-09-28 | 1997-04-03 | Basf Ag | Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Alkylestern der (Meth)acrylsäure |
-
1998
- 1998-11-03 CA CA002252748A patent/CA2252748A1/en not_active Abandoned
- 1998-11-11 ES ES98309235T patent/ES2169484T3/es not_active Expired - Lifetime
- 1998-11-11 EP EP98309235A patent/EP0916643B1/en not_active Expired - Lifetime
- 1998-11-11 DE DE69803027T patent/DE69803027T2/de not_active Expired - Lifetime
- 1998-11-12 KR KR1019980048445A patent/KR100513482B1/ko not_active IP Right Cessation
- 1998-11-16 BR BR9804644-6A patent/BR9804644A/pt not_active Application Discontinuation
- 1998-11-17 JP JP32681098A patent/JP4111254B2/ja not_active Expired - Lifetime
- 1998-11-17 CN CN98122474A patent/CN1127473C/zh not_active Expired - Lifetime
- 1998-11-17 TW TW087119016A patent/TW422833B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR19990045236A (ko) | 1999-06-25 |
EP0916643A1 (en) | 1999-05-19 |
DE69803027D1 (de) | 2002-01-31 |
CN1218029A (zh) | 1999-06-02 |
DE69803027T2 (de) | 2002-06-20 |
CA2252748A1 (en) | 1999-05-17 |
CN1127473C (zh) | 2003-11-12 |
JP4111254B2 (ja) | 2008-07-02 |
TW422833B (en) | 2001-02-21 |
EP0916643B1 (en) | 2001-12-19 |
KR100513482B1 (ko) | 2006-01-27 |
ES2169484T3 (es) | 2002-07-01 |
JPH11236352A (ja) | 1999-08-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B07A | Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette] | ||
B07A | Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette] | ||
B09B | Patent application refused [chapter 9.2 patent gazette] |
Free format text: INDEFIRO O PRESENTE PEDIDO DE PATENTE DE ACORDO COM ART. 8O DA LPI. |
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B09B | Patent application refused [chapter 9.2 patent gazette] |
Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL. |