KR910002222B1 - 메타크릴산의 정제방법 - Google Patents

메타크릴산의 정제방법 Download PDF

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Publication number
KR910002222B1
KR910002222B1 KR1019880007744A KR880007744A KR910002222B1 KR 910002222 B1 KR910002222 B1 KR 910002222B1 KR 1019880007744 A KR1019880007744 A KR 1019880007744A KR 880007744 A KR880007744 A KR 880007744A KR 910002222 B1 KR910002222 B1 KR 910002222B1
Authority
KR
South Korea
Prior art keywords
methacrylic acid
distillation column
phenylenediamine
distillation
purification method
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
KR1019880007744A
Other languages
English (en)
Korean (ko)
Other versions
KR890006556A (ko
Inventor
모리마사 구라가노
다께시 이소베
노부따까 우에다
미노루 고시베
요시히로 세자끼
히로조 세가와
가쓰지 요구찌
렌스께 이까라시
Original Assignee
미쓰이도오아쓰가가꾸 가부시끼가이샤
미시마 마사요시
가부시끼가이샤 구라레이
나까무라 히사오
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
Priority claimed from JP25380887A external-priority patent/JPH0753687B2/ja
Priority claimed from JP25468787A external-priority patent/JPH0753688B2/ja
Priority claimed from JP2292188A external-priority patent/JPH0753689B2/ja
Application filed by 미쓰이도오아쓰가가꾸 가부시끼가이샤, 미시마 마사요시, 가부시끼가이샤 구라레이, 나까무라 히사오 filed Critical 미쓰이도오아쓰가가꾸 가부시끼가이샤
Publication of KR890006556A publication Critical patent/KR890006556A/ko
Application granted granted Critical
Publication of KR910002222B1 publication Critical patent/KR910002222B1/ko
Expired legal-status Critical Current

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    • 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
    • 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
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
KR1019880007744A 1987-10-09 1988-06-25 메타크릴산의 정제방법 Expired KR910002222B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP25380887A JPH0753687B2 (ja) 1987-10-09 1987-10-09 メタクリル酸の精製法
JP253808/87 1987-10-09
JP25468787A JPH0753688B2 (ja) 1987-10-12 1987-10-12 メタクリル酸の精製方法
JP254687/87 1987-10-12
JP2292188A JPH0753689B2 (ja) 1988-02-04 1988-02-04 メタクリル酸の精製法
JP022921/88 1988-02-04

Publications (2)

Publication Number Publication Date
KR890006556A KR890006556A (ko) 1989-06-14
KR910002222B1 true KR910002222B1 (ko) 1991-04-08

Family

ID=27284031

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880007744A Expired KR910002222B1 (ko) 1987-10-09 1988-06-25 메타크릴산의 정제방법

Country Status (5)

Country Link
EP (1) EP0312191B1 (enExample)
KR (1) KR910002222B1 (enExample)
CN (1) CN1023116C (enExample)
DE (1) DE3874667T2 (enExample)
IN (1) IN170713B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5208370A (en) * 1992-04-22 1993-05-04 Rohm And Haas Co. Method of reducing impurities in aqueous acrylic monomer solutions
US5571386A (en) * 1994-05-31 1996-11-05 Rohm And Haas Company Process for grade acrylic acid
US5961790A (en) * 1994-12-14 1999-10-05 Basf Aktiengesellschaft Separation of (meth) acrylic acid by rectification
TW524796B (en) * 1997-11-17 2003-03-21 Sumitomo Chemical Co Method for producing acrylic acid
RU2350598C2 (ru) * 2003-11-28 2009-03-27 Мицубиси Кемикал Корпорейшн Способ очистки (мет)акриловой кислоты
DE102005019911A1 (de) 2005-04-27 2006-11-02 Basf Ag Verfahren der rektifikativen Auftrennung einer Acrylsäure und/oder Methacrylsäure enthaltenden Flüssigkeit
EP2085376B1 (en) 2008-01-30 2012-09-05 Evonik Röhm GmbH Process for preparation of high purity methacrylic acid
FR3064630B1 (fr) * 2017-04-04 2019-09-13 Arkema France Procede de purification d'acide (meth)acrylique incluant une colonne de distillation a paroi separatrice

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3725208A (en) * 1971-08-20 1973-04-03 Nippon Kayaku Kk Process for purification of acrylic acid from aldehydes by distillation with a reagent
DE2235326A1 (de) * 1972-07-19 1974-02-07 Degussa Verfahren zur reinigung 1,2-ungesaettigter carbonsaeuren

Also Published As

Publication number Publication date
EP0312191B1 (en) 1992-09-16
EP0312191A3 (en) 1990-01-31
DE3874667T2 (de) 1993-03-25
IN170713B (enExample) 1992-05-09
CN1023116C (zh) 1993-12-15
KR890006556A (ko) 1989-06-14
EP0312191A2 (en) 1989-04-19
CN1032337A (zh) 1989-04-12
DE3874667D1 (de) 1992-10-22

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