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
Application number
AT85307233T
Other languages
English (en)
Inventor
Lawrence D Lillwitz
Original Assignee
Amoco Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Amoco Corp filed Critical Amoco Corp
Application granted granted Critical
Publication of ATE49588T1 publication Critical patent/ATE49588T1/de

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)
  • Medicines Containing Plant Substances (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polymerisation Methods In General (AREA)
AT85307233T 1984-10-10 1985-10-09 Verfahren zur reinigung von methacrylsaeure. ATE49588T1 (de)

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)

* Cited by examiner, † Cited by third party
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
KR20010106405A (ko) 1998-07-14 2001-11-29 시바 스폐셜티 케미칼스 홀딩 인코포레이티드 (메타)아크릴레이트 모노머용 중합방지제로서의1-옥실-4-히드록시- 또는4-아미노-2,2,6,6-테트라메틸피페리딘 유도체
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
ATE307789T1 (de) 1999-12-02 2005-11-15 Crompton Corp Polymerisationsinhibierung von ungesättigten monomeren
CN1230492C (zh) 1999-12-03 2005-12-07 尤尼罗亚尔化学公司 用于抑制聚合和聚合物增长的组合物和方法
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
JP3919659B2 (ja) * 2000-08-02 2007-05-30 ユニロイヤル ケミカル カンパニー インコーポレイテッド 低温ニトロキシル含有流の再循環
US6685823B2 (en) 2000-10-16 2004-02-03 Uniroyal Chemical Company, Inc. C-nitrosoaniline compounds and their blends as polymerization inhibitors
KR100812038B1 (ko) 2000-10-16 2008-03-10 유니로얄 캐미칼 캄파니, 인크. 중합 억제제로서 퀴논 알키드와 니트록실 화합물의 블렌드물
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
EP4332082A4 (de) * 2021-04-28 2025-02-26 Mitsubishi Chemical Corporation Methylmethacrylathaltige zusammensetzung und verfahren zur herstellung eines methylmethacrylatpolymers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE3575418D1 (de) 1990-02-22
JPS61126050A (ja) 1986-06-13
EP0178168B1 (de) 1990-01-17
EP0178168A3 (en) 1987-06-03
EP0178168A2 (de) 1986-04-16

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