[go: up one dir, main page]

RU95104222A - Получение альфа, бета -ненасыщенных c3-c6-карбоновых кислот - Google Patents

Получение альфа, бета -ненасыщенных c3-c6-карбоновых кислот

Info

Publication number
RU95104222A
RU95104222A RU95104222/04A RU95104222A RU95104222A RU 95104222 A RU95104222 A RU 95104222A RU 95104222/04 A RU95104222/04 A RU 95104222/04A RU 95104222 A RU95104222 A RU 95104222A RU 95104222 A RU95104222 A RU 95104222A
Authority
RU
Russia
Prior art keywords
unsaturated
melt
shows
preparation
carboxylic acids
Prior art date
Application number
RU95104222/04A
Other languages
English (en)
Inventor
Бауер Вильям (младший)
Us]
Майкл Мэсон Роберт
Карина Апмейсис Рита
Original Assignee
Ром Энд Хаас Компани (Us)
Ром Энд Хаас Компани
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 Ром Энд Хаас Компани (Us), Ром Энд Хаас Компани filed Critical Ром Энд Хаас Компани (Us)
Publication of RU95104222A publication Critical patent/RU95104222A/ru

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
    • C07C57/02—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
    • C07C57/03—Monocarboxylic acids
    • C07C57/04—Acrylic acid; Methacrylic acid
    • 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
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Предлагается способ получения α,β-- ненасыщенной С- С-карбоновой кислоты более чем 98%-ной чистоты, при осуществлении которого предусмотрены процедуры фракционной перегонки и кристаллизации из расплава. В реакторе для дегидрогенизации С- С-карбоновую кислоту дегидрогенизуют с получением α,β-ненасыщенной С- С-карбоновой кислоты. Устройство для осуществления способа включает также ректификационную установку и установку для кристаллизации из расплава.

Claims (1)

  1. Предлагается способ получения α,β-- ненасыщенной С3 - С6-карбоновой кислоты более чем 98%-ной чистоты, при осуществлении которого предусмотрены процедуры фракционной перегонки и кристаллизации из расплава. В реакторе для дегидрогенизации С3 - С6-карбоновую кислоту дегидрогенизуют с получением α,β-ненасыщенной С3 - С6-карбоновой кислоты. Устройство для осуществления способа включает также ректификационную установку и установку для кристаллизации из расплава.
RU95104222/04A 1994-03-28 1995-03-27 Получение альфа, бета -ненасыщенных c3-c6-карбоновых кислот RU95104222A (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/219,324 US5523480A (en) 1994-03-28 1994-03-28 Process for purifying unsaturated carboxylic acids using distillation and melt crystallization
US219.324 1994-03-28

Publications (1)

Publication Number Publication Date
RU95104222A true RU95104222A (ru) 1996-12-27

Family

ID=22818828

Family Applications (1)

Application Number Title Priority Date Filing Date
RU95104222/04A RU95104222A (ru) 1994-03-28 1995-03-27 Получение альфа, бета -ненасыщенных c3-c6-карбоновых кислот

Country Status (13)

Country Link
US (1) US5523480A (ru)
EP (1) EP0675100B1 (ru)
JP (1) JP3682085B2 (ru)
KR (1) KR100396720B1 (ru)
CN (1) CN1115752A (ru)
BR (1) BR9501227A (ru)
CA (1) CA2145245A1 (ru)
CZ (1) CZ77095A3 (ru)
DE (1) DE69521230T2 (ru)
ES (1) ES2157293T3 (ru)
RU (1) RU95104222A (ru)
SG (1) SG30329A1 (ru)
TW (1) TW320631B (ru)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19606877A1 (de) * 1996-02-23 1997-08-28 Basf Ag Verfahren zur Reinigung von Acrylsäure und Methacrylsäure
DE19740252A1 (de) * 1997-09-12 1999-03-18 Basf Ag Verfahren zur Herstellung von Acrylsäure und Methacrylsäure
DE19829477A1 (de) * 1998-07-01 2000-01-05 Basf Ag Verfahren zur Reinigung von Acrylsäure oder Methacrylsäure durch Kristallisation und Destillation
DE19833049A1 (de) 1998-07-22 2000-01-27 Basf Ag Verfahren zur Herstellung von Acrylsäure
DE19904820A1 (de) * 1999-02-05 2000-08-10 Stockhausen Chem Fab Gmbh Verfahren und Vorrichtung zur Reinigung von Stoffen mittels Kristallisation
BR0109929B1 (pt) * 2000-04-11 2012-08-07 processo para a purificaÇço de uma massa fundida de Ácido acrÍlico bruto.
JP4673958B2 (ja) * 2000-06-19 2011-04-20 株式会社日本触媒 固形物除去装置
EP1349826B1 (de) 2001-01-12 2012-06-27 Evonik Stockhausen GmbH Kontinuierliches verfahren zur herstellung und aufreinigung von (meth) acrylsäure
DE10122788A1 (de) * 2001-05-10 2002-06-06 Basf Ag Verfahren der kristallisativen Reinigung einer Roh-Schmelze wenigstens eines Monomeren
DE10301040B4 (de) * 2003-01-13 2005-07-21 Stockhausen Gmbh Aufreinigung eines Monomers durch Extraktion mit einem Phasenbildner und Kristallisation
US7393976B2 (en) * 2003-11-26 2008-07-01 Rohm And Haas Company Process for manufacturing reduced water content (meth)acrylic acid
CN1305832C (zh) * 2003-11-28 2007-03-21 三菱化学株式会社 (甲基)丙烯酸的提纯方法
JP2005247731A (ja) * 2004-03-03 2005-09-15 Mitsubishi Chemicals Corp （メタ）アクリル酸組成物及びその製造方法
JP5094459B2 (ja) * 2007-03-09 2012-12-12 ローム アンド ハース カンパニー アルカンを不飽和カルボン酸に変換するための改良法
EP2085376B1 (en) * 2008-01-30 2012-09-05 Evonik Röhm GmbH Process for preparation of high purity methacrylic acid
EP2172442B1 (de) * 2008-10-06 2016-07-27 Sulzer Chemtech AG Verfahren und Vorrichtung zur Trennung von Carbonsäuren und/oder Carbonsäureestern
JP5318602B2 (ja) * 2009-02-03 2013-10-16 株式会社日本触媒 アクリル酸結晶の融解方法
CN102282120B (zh) 2009-02-03 2015-03-04 株式会社日本触媒 (甲基)丙烯酸的制备方法
US8658822B2 (en) 2011-10-03 2014-02-25 Celanese International Corporation Processes for producing acrylic acids and acrylates
US8536368B2 (en) 2011-10-03 2013-09-17 Celanese International Corporation Processes for the production of acrylic acids and acrylates from a trioxane feed
US8729299B2 (en) 2011-10-03 2014-05-20 Celanese International Corporation Processes for the production of acrylic acids and acrylates
US9073846B2 (en) 2013-06-05 2015-07-07 Celanese International Corporation Integrated process for the production of acrylic acids and acrylates
US9120743B2 (en) 2013-06-27 2015-09-01 Celanese International Corporation Integrated process for the production of acrylic acids and acrylates

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT279547B (de) * 1967-04-14 1970-03-10 Buchs Metallwerk Ag Verfahren und Vorrichtung zur Trennung oder Reinigung schmelzflüssiger, flüssiger oder gelöster Stoffe durch fraktioniertes Kristallisieren
US3663375A (en) * 1970-03-31 1972-05-16 American Cyanamid Co Separation of components from a reaction product mixture of water isobutyric acid and methacrylic acid by phase separation and distillations
SU639858A1 (ru) * 1972-11-09 1978-12-30 Институт химии АН СССР Способ очистки акриловой или метакриловой кислоты
IN145684B (ru) * 1975-07-01 1979-04-21 Spie Batignolles
US4166774A (en) * 1977-12-05 1979-09-04 The Standard Oil Company Acrylic acid recovery and purification
US4230888A (en) * 1977-12-15 1980-10-28 Standard Oil Company (Ohio) Process for purification of acrylic acid by fractional crystallization
US4780568A (en) * 1984-12-14 1988-10-25 Ashland Oil, Inc. Purification of methacrylic acid from an oxydehydrogenation by crystallization
JPS62145044A (ja) * 1985-12-19 1987-06-29 Mitsui Toatsu Chem Inc メタクリル酸の精製方法
US4671857A (en) * 1986-09-26 1987-06-09 Eastman Kodak Company Method for separating methacrylic acid from isobutyric acid

Also Published As

Publication number Publication date
DE69521230T2 (de) 2001-10-11
CZ77095A3 (en) 1995-11-15
ES2157293T3 (es) 2001-08-16
BR9501227A (pt) 1996-04-09
MX9501398A (es) 1998-10-31
KR100396720B1 (ko) 2003-12-31
KR950032057A (ko) 1995-12-20
CN1115752A (zh) 1996-01-31
SG30329A1 (en) 1996-06-01
EP0675100A3 (en) 1998-07-08
JP3682085B2 (ja) 2005-08-10
DE69521230D1 (de) 2001-07-19
TW320631B (ru) 1997-11-21
EP0675100B1 (en) 2001-06-13
US5523480A (en) 1996-06-04
EP0675100A2 (en) 1995-10-04
JPH07278045A (ja) 1995-10-24
CA2145245A1 (en) 1995-09-29

Similar Documents

Publication Publication Date Title
RU95104222A (ru) Получение альфа, бета -ненасыщенных c3-c6-карбоновых кислот
ATE101388T1 (de) Reinigungs- und trennverfahren fuer eine carbonsaeure.
RU94019422A (ru) Способ выделения фторированных карбоновых кислот
EP0608838A3 (en) Method of producing an unsaturated carboxylic acid.
ATE161819T1 (de) Verfahren zur herstellung von carbonsäureestern aus carbonsäurehalogeniden und alkoholen
FR2728898B1 (fr) Procede de preparation d'acides carboxyliques par oxydation menagee des alcanes correspondants
NO168475C (no) Fremgangsmaate for fremstilling av kinolin-3-karboksylsyre-forbindelser.
GR3034975T3 (en) Process for resolving chiral acids with 1-aminoindan-2-ols
CA2192155A1 (en) Process for the purification of (rr-ss)-2-dimethyl-aminomethyl-1-(3-methoxyphenyl)cyclohexanol and its salts
IE820770L (en) Process.
ZA817698B (en) N-benzoyl-omega-anilino alkane carboxylic acids,salts and esters thereof,process for producing the same and pharmaceutical preparations containing the same
ATE29712T1 (de) Verfahren zur gewinnung von l-aepfelsaeure.
US4229593A (en) Method to prepare (+)-cis-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylic acid
HUT61969A (en) Process for producing alpha-amino acids, their corresponding esters and amides
FR2570074B1 (fr) Procede pour la fabrication de sels d'acides carboxyliques par deshydrogenation en phase liquide d'alcools correspondants
ATE361280T1 (de) Verfahren zur herstellung von hochreinem nicotinamid
NO870482D0 (no) Fremgangsmaate ved fremstilling av nye karboksylsyreamider.
CA1273643C (en) PROCESS FOR THE PRODUCTION OF CIS-2-METHYL-2-BUTENOIC ACID
JPS5781460A (en) Novel indolinecarboxylic acid derivative
IT8621359A0 (it) Processo per la sintesi di acidi carbossilici.
EP0190687A1 (en) Process for preparing ethyl-alpha-(1-carboxyethyl)-amino-gamma-oxo-gamma-phenylbutyrate
JPS5262237A (en) Process for preparation of alpha-substituted phenylalkane carboxylic a cid
US3839429A (en) Process for the purification of trans-4-aminomethyl-cyclohexane carboxylic acid
FR2309505A1 (fr) Procede pour la preparation d'acide tartrique racemique pur et d'acide meso-tartrique a partir de l'acide maleique et procede pour separer ce dernier
NO175588C (no) Fremgangsmåte for fremstilling av dimetylcyklopropankarboksylsyre