SG10201400382TA - Process for producing methacrylic acid - Google Patents

Process for producing methacrylic acid

Info

Publication number
SG10201400382TA
SG10201400382TA SG10201400382TA SG10201400382TA SG10201400382TA SG 10201400382T A SG10201400382T A SG 10201400382TA SG 10201400382T A SG10201400382T A SG 10201400382TA SG 10201400382T A SG10201400382T A SG 10201400382TA SG 10201400382T A SG10201400382T A SG 10201400382TA
Authority
SG
Singapore
Prior art keywords
methacrylic acid
producing methacrylic
producing
acid
methacrylic
Prior art date
Application number
SG10201400382TA
Inventor
Suyasu Noriaki
Shiraishi Eiichi
Original Assignee
Sumitomo Chemical Co
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 Sumitomo Chemical Co filed Critical Sumitomo Chemical Co
Publication of SG10201400382TA publication Critical patent/SG10201400382TA/en

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/14—Phosphorus; Compounds thereof
    • B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J27/188—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with chromium, molybdenum, tungsten or polonium
    • B01J27/19—Molybdenum
    • 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
    • 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
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/62—Use of additives, e.g. for stabilisation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/52—Esters of acyclic unsaturated carboxylic acids having the esterified carboxyl group bound to an acyclic carbon atom
    • C07C69/533—Monocarboxylic acid esters having only one carbon-to-carbon double bond
    • C07C69/54—Acrylic acid esters; Methacrylic acid esters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
SG10201400382TA 2013-03-19 2014-03-05 Process for producing methacrylic acid SG10201400382TA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013056072A JP6078387B2 (en) 2013-03-19 2013-03-19 Method for producing methacrylic acid

Publications (1)

Publication Number Publication Date
SG10201400382TA true SG10201400382TA (en) 2014-10-30

Family

ID=51700247

Family Applications (1)

Application Number Title Priority Date Filing Date
SG10201400382TA SG10201400382TA (en) 2013-03-19 2014-03-05 Process for producing methacrylic acid

Country Status (3)

Country Link
JP (1) JP6078387B2 (en)
KR (1) KR102102486B1 (en)
SG (1) SG10201400382TA (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6653871B2 (en) * 2015-03-11 2020-02-26 国立大学法人北海道大学 Catalyst for producing methacrylic acid, method for producing the same, and method for producing methacrylic acid
CN111757779A (en) * 2018-02-20 2020-10-09 日本化药株式会社 Catalyst and direct-connection two-stage gas-phase catalytic oxidation method using same
CN113613785B (en) * 2019-03-28 2023-12-29 三菱化学株式会社 Catalyst molded body and method for producing unsaturated aldehyde and unsaturated carboxylic acid using same
CN115368231B (en) * 2022-09-19 2024-04-09 万华化学集团股份有限公司 Continuous production process of methacrylic acid

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5835492B2 (en) * 1977-10-26 1983-08-03 宇部興産株式会社 Method for producing methacrolein
JPS55124734A (en) * 1979-03-22 1980-09-26 Nippon Kayaku Co Ltd Preparation of methacrylic acid
JPH02115141A (en) * 1988-10-24 1990-04-27 Idemitsu Petrochem Co Ltd Production of acrylic acid ester or methacrylic acid ester
JP4093194B2 (en) * 2004-03-23 2008-06-04 住友化学株式会社 Method for producing methacrylic acid
CN101754944A (en) * 2007-07-27 2010-06-23 株式会社日本触媒 Process for producing acrylic acid by two-stage catalytic vapor-phase oxidation
WO2010052909A1 (en) * 2008-11-06 2010-05-14 日本化薬株式会社 Methacrylic acid manufacturing method and catalyst for methacrylic acid manufacture

Also Published As

Publication number Publication date
KR102102486B1 (en) 2020-04-20
JP2014181203A (en) 2014-09-29
JP6078387B2 (en) 2017-02-08
KR20140114773A (en) 2014-09-29

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