FR2289482A1 - Procede de preparation d'acide methacrylique a partir d'isobutylene et par une oxydation en deux etapes - Google Patents

Procede de preparation d'acide methacrylique a partir d'isobutylene et par une oxydation en deux etapes

Info

Publication number
FR2289482A1
FR2289482A1 FR7532485A FR7532485A FR2289482A1 FR 2289482 A1 FR2289482 A1 FR 2289482A1 FR 7532485 A FR7532485 A FR 7532485A FR 7532485 A FR7532485 A FR 7532485A FR 2289482 A1 FR2289482 A1 FR 2289482A1
Authority
FR
France
Prior art keywords
isobutylene
methacrylic acid
stage oxidation
preparing methacrylic
preparing
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.)
Granted
Application number
FR7532485A
Other languages
English (en)
French (fr)
Other versions
FR2289482B1 (de
Inventor
Isao Gotoh
Junji Endoh
Tohru Ueno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AGC Inc
Original Assignee
Asahi Glass Co Ltd
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 Asahi Glass Co Ltd filed Critical Asahi Glass Co Ltd
Publication of FR2289482A1 publication Critical patent/FR2289482A1/fr
Application granted granted Critical
Publication of FR2289482B1 publication Critical patent/FR2289482B1/fr
Granted legal-status Critical Current

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
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
    • C07C51/252—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
    • C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
    • C07C45/34—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
    • C07C45/35—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds in propene or isobutene
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7532485A 1974-10-23 1975-10-23 Procede de preparation d'acide methacrylique a partir d'isobutylene et par une oxydation en deux etapes Granted FR2289482A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49121510A JPS5148609A (ja) 1974-10-23 1974-10-23 Nidansankanyoruisopuchirenkarano metaku

Publications (2)

Publication Number Publication Date
FR2289482A1 true FR2289482A1 (fr) 1976-05-28
FR2289482B1 FR2289482B1 (de) 1980-08-08

Family

ID=14812973

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7532485A Granted FR2289482A1 (fr) 1974-10-23 1975-10-23 Procede de preparation d'acide methacrylique a partir d'isobutylene et par une oxydation en deux etapes

Country Status (6)

Country Link
JP (1) JPS5148609A (de)
DE (1) DE2547536C2 (de)
FR (1) FR2289482A1 (de)
GB (1) GB1504940A (de)
IT (1) IT1043608B (de)
NL (1) NL7512354A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2404619A1 (fr) * 1977-09-28 1979-04-27 Sumitomo Chemical Co Procede de separation de methacroleine et/ou d'acide methacrylique a partir de solutions aqueuses les contenant
FR2451360A1 (fr) * 1979-03-15 1980-10-10 Halcon Res & Dev Procede de recuperation, par extraction a l'aide d'un melange de solvants, de l'acide methacrylique forme par oxydation de la methacroleine

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52108917A (en) * 1976-03-11 1977-09-12 Nippon Shokubai Kagaku Kogyo Co Ltd Preparation of acrylic acid by vapor-phase catalytic oxidation of prop ylene
JPS5353613A (en) * 1976-10-26 1978-05-16 Nippon Zeon Co Ltd Preparation of methacrylic acid
JPS6145541Y2 (de) * 1981-05-20 1986-12-22
CA1299193C (en) * 1986-07-17 1992-04-21 Gordon Gene Harkreader Anhydrous diluents for the propylene oxidation reaction to acrolein and acrolein oxidation to acrylic acid
CA1305178C (en) * 1986-08-21 1992-07-14 Gordon Gene Harkreader Anhydrous diluent process for the propylene oxidation reaction to acrolein and acrolein oxidation to acrylic acid
JP4456862B2 (ja) * 2001-06-29 2010-04-28 ビーエーエスエフ ソシエタス・ヨーロピア イソ−ブタンからメタクリル酸を製造する方法
JP2016516732A (ja) 2013-03-18 2016-06-09 エボニック レーム ゲゼルシャフト ミット ベシュレンクテル ハフツングＥｖｏｎｉｋ Ｒｏｅｈｍ ＧｍｂＨ メタクリル酸及びメタクリル酸エステルの製造方法
CN110694687B (zh) * 2019-11-07 2022-10-04 曲阜师范大学 一种用于甲基丙烯醛氧化制甲基丙烯酸的负载纳米杂多酸催化剂及其制备方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5534783B2 (de) * 1972-03-09 1980-09-09

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2404619A1 (fr) * 1977-09-28 1979-04-27 Sumitomo Chemical Co Procede de separation de methacroleine et/ou d'acide methacrylique a partir de solutions aqueuses les contenant
FR2451360A1 (fr) * 1979-03-15 1980-10-10 Halcon Res & Dev Procede de recuperation, par extraction a l'aide d'un melange de solvants, de l'acide methacrylique forme par oxydation de la methacroleine

Also Published As

Publication number Publication date
IT1043608B (it) 1980-02-29
JPS5148609A (ja) 1976-04-26
NL7512354A (nl) 1976-04-27
GB1504940A (en) 1978-03-22
DE2547536A1 (de) 1976-04-29
FR2289482B1 (de) 1980-08-08
DE2547536C2 (de) 1984-06-28
JPS5713538B2 (de) 1982-03-17

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Legal Events

Date Code Title Description
ST Notification of lapse