ATE49588T1 - Verfahren zur reinigung von methacrylsaeure. - Google Patents
Verfahren zur reinigung von methacrylsaeure.Info
- Publication number
- ATE49588T1 ATE49588T1 AT85307233T AT85307233T ATE49588T1 AT E49588 T1 ATE49588 T1 AT E49588T1 AT 85307233 T AT85307233 T AT 85307233T AT 85307233 T AT85307233 T AT 85307233T AT E49588 T1 ATE49588 T1 AT E49588T1
- Authority
- AT
- Austria
- Prior art keywords
- methacrylic acid
- purification method
- acid purification
- distillation
- beta
- 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
- C07C51/42—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
- C07C51/50—Use of additives, e.g. for stabilisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polymerisation Methods In General (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Medicines Containing Plant Substances (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US65956884A | 1984-10-10 | 1984-10-10 | |
| EP85307233A EP0178168B1 (de) | 1984-10-10 | 1985-10-09 | Verfahren zur Reinigung von Methacrylsäure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE49588T1 true ATE49588T1 (de) | 1990-02-15 |
Family
ID=24645887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT85307233T ATE49588T1 (de) | 1984-10-10 | 1985-10-09 | Verfahren zur reinigung von methacrylsaeure. |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0178168B1 (de) |
| JP (1) | JPS61126050A (de) |
| AT (1) | ATE49588T1 (de) |
| DE (1) | DE3575418D1 (de) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3641014A1 (de) * | 1986-12-19 | 1988-06-16 | Wolfen Filmfab Veb | Fotopolymerisierbares material |
| DE3837955A1 (de) * | 1987-11-13 | 1989-05-24 | Basf Ag | Kontinuierliches destillationsverfahren zur gewinnung von beispielsweise hydrochinon-stabilisierter acrylsaeure |
| US5258138A (en) * | 1990-07-20 | 1993-11-02 | Ciba-Geigy Corporation | Process for stabilizing ethylenically unsaturated compounds and stabilized monomer compositions |
| US5290888A (en) * | 1990-07-20 | 1994-03-01 | Ciba-Geigy Corporation | Process for stabilizing ethylenically unsaturated compounds and stabilized monomer compositions |
| US5322960A (en) * | 1993-04-15 | 1994-06-21 | Nippon Shokubai Co., Ltd. | Method for inhibiting polymerization of (meth) acrylic acid and esters thereof |
| TW294658B (de) * | 1994-06-02 | 1997-01-01 | Nippon Catalytic Chem Ind | |
| US5728872A (en) * | 1994-06-27 | 1998-03-17 | Lutz Riemenschneider | Stabilized acrylic acid compositions |
| US5616638A (en) * | 1995-03-20 | 1997-04-01 | Rohm And Haas Company | Cured composite and process therefor |
| US5616753A (en) * | 1995-03-20 | 1997-04-01 | Osi Specialties, Inc. | Stabilizers for unsaturated, polymerizable organosilicon compounds |
| EP0791573A1 (de) * | 1996-02-21 | 1997-08-27 | Nalco/Exxon Chemicals Company L.P. | Nitroxyde als Polymerisationshemmer für Vinylacetateinheiten |
| DE19622441A1 (de) * | 1996-06-05 | 1997-12-11 | Basf Ag | Verfahren zum Verdichten ethylenisch ungesättigter Monomerer |
| US5932735A (en) * | 1997-06-13 | 1999-08-03 | Ciba Specialty Chemicals Corporation | Derivatives of 1-oxyl-4-hydroxy-2,2,6,6-tetramethylpiperidine as polymerization inhibitors for (meth)acrylate monomers |
| DE19725519A1 (de) * | 1997-06-17 | 1998-12-24 | Basf Ag | Stoffmischung, enthaltend vinylgruppenhaltige Verbindungen und Stabilisatoren |
| WO2000003965A1 (en) | 1998-07-14 | 2000-01-27 | Ciba Specialty Chemicals Holding Inc. | Derivatives of 1-oxyl-4-hydroxy- or 4-amino-2,2,6,6-tetramethylpiperidine as polymerization inhibitors for (meth)acrylate monomers |
| US6300533B1 (en) | 1999-08-16 | 2001-10-09 | Uniroyal Chemical Company, Inc. | Inhibition of polymerization of ethylenically unsaturated monomers |
| DE19947868A1 (de) | 1999-10-05 | 2001-04-12 | Basf Ag | Verfahren der chemischen und/oder physikalischen Behandlung von Gemischen, die wenigstens eine chemische Verbindung mit wenigstens einer ethylenisch ungesättigten Gruppe enthalten |
| AR029410A1 (es) | 1999-12-02 | 2003-06-25 | Crompton Corp | Metodo para inhibir la polimerizacion prematura de monomeros etilenicamente insaturados y composiciones de los mismos |
| KR100715592B1 (ko) | 1999-12-02 | 2007-05-10 | 켐트라 코포레이션 | 불포화 모노머의 중합 억제방법 |
| BR0016113B1 (pt) | 1999-12-03 | 2011-02-22 | composição e método para inibir polimerização e crescimento de polìmeros. | |
| US6403850B1 (en) | 2000-01-18 | 2002-06-11 | Uniroyal Chemical Company, Inc. | Inhibition of polymerization of unsaturated monomers |
| US6344560B1 (en) | 2000-05-03 | 2002-02-05 | Uniroyal Chemical Company, Inc. | Nitroaromatic solubilizer for nitroxyls in aromatic solvents |
| KR20030036653A (ko) * | 2000-08-02 | 2003-05-09 | 유니로얄 캐미칼 캄파니, 인크. | 저온에서 니트록실을 함유하는 스트림을 재순환하는 방법 |
| KR100812038B1 (ko) | 2000-10-16 | 2008-03-10 | 유니로얄 캐미칼 캄파니, 인크. | 중합 억제제로서 퀴논 알키드와 니트록실 화합물의 블렌드물 |
| US6685823B2 (en) | 2000-10-16 | 2004-02-03 | Uniroyal Chemical Company, Inc. | C-nitrosoaniline compounds and their blends as polymerization inhibitors |
| JP4687843B2 (ja) * | 2000-12-12 | 2011-05-25 | 三菱瓦斯化学株式会社 | メタクリル酸の精製方法 |
| US6504056B2 (en) | 2001-05-01 | 2003-01-07 | Basf Aktiengesellschaft | Transport and/or storage of acrylic acid |
| JP4556491B2 (ja) * | 2004-05-26 | 2010-10-06 | 三菱化学株式会社 | 重合禁止剤、これを含有する組成物、及び前記重合禁止剤を用いる易重合性化合物の製造方法 |
| US7553896B2 (en) | 2005-06-17 | 2009-06-30 | Chemtura Corporation | Ortho-nitrosophenols as polymerization inhibitors |
| CN102295284B (zh) | 2010-06-28 | 2013-05-15 | 通用电气公司 | 将碳转化为碳的氧化物的方法和烃类裂解的方法及装置 |
| CN117203245A (zh) * | 2021-04-28 | 2023-12-08 | 三菱化学株式会社 | 含有甲基丙烯酸甲酯的组合物和甲基丙烯酸甲酯聚合物的制造方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1127127A (en) * | 1966-04-26 | 1968-09-11 | Bp Chem Int Ltd | Stabilization of acrylic acid |
| JPS506449B1 (de) * | 1969-06-24 | 1975-03-14 | ||
| JPS5010281B1 (de) * | 1970-03-20 | 1975-04-19 | ||
| GB1346774A (en) * | 1970-10-05 | 1974-02-13 | Bp Chem Int Ltd | Stabilisation of acrylonitrile |
| SU1310384A1 (ru) * | 1976-02-20 | 1987-05-15 | Институт Химической Физики Ан Ссср | Способ получени метакриловой кислоты |
-
1985
- 1985-10-09 AT AT85307233T patent/ATE49588T1/de active
- 1985-10-09 EP EP85307233A patent/EP0178168B1/de not_active Expired - Lifetime
- 1985-10-09 DE DE8585307233T patent/DE3575418D1/de not_active Expired - Fee Related
- 1985-10-11 JP JP60226657A patent/JPS61126050A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP0178168B1 (de) | 1990-01-17 |
| EP0178168A3 (en) | 1987-06-03 |
| EP0178168A2 (de) | 1986-04-16 |
| JPS61126050A (ja) | 1986-06-13 |
| DE3575418D1 (de) | 1990-02-22 |
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