KR830001178A - Preparation of methacrylic acid - Google Patents

Preparation of methacrylic acid Download PDF

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Publication number
KR830001178A
KR830001178A KR1019790004398A KR790004398A KR830001178A KR 830001178 A KR830001178 A KR 830001178A KR 1019790004398 A KR1019790004398 A KR 1019790004398A KR 790004398 A KR790004398 A KR 790004398A KR 830001178 A KR830001178 A KR 830001178A
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KR
South Korea
Prior art keywords
methacrylic acid
excluding
less
elements
atomic ratio
Prior art date
Application number
KR1019790004398A
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Korean (ko)
Other versions
KR830001392B1 (en
Inventor
히데끼 스기
무쯔미 마쯔모도
Original Assignee
콘도오 쥰조오
닛뽕 가야꾸 가부시끼 가이샤
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.)
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Application filed by 콘도오 쥰조오, 닛뽕 가야꾸 가부시끼 가이샤 filed Critical 콘도오 쥰조오
Priority to KR1019790004398A priority Critical patent/KR830001392B1/en
Publication of KR830001178A publication Critical patent/KR830001178A/en
Application granted granted Critical
Publication of KR830001392B1 publication Critical patent/KR830001392B1/en

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    • 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
    • C07C51/23—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups
    • C07C51/235—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups of —CHO groups or primary alcohol groups
    • 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
    • B01J27/195—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with vanadium, niobium or tantalum
    • B01J27/198—Vanadium
    • B01J27/199—Vanadium with chromium, molybdenum, tungsten or polonium
    • 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

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  • 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)
  • Catalysts (AREA)

Abstract

내용 없음No content

Description

메타크릴산의 제법Preparation of methacrylic acid

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음This content is subject to disclosure, so the full text is not included.

Claims (1)

헤테로폴리산 구조와 다음 일반식을 가지는 촉매를 사용하는 것을 특징으로하는 기상에서 산소분자 또는 산소분자 함유가스로 메타크로레인을 산화시켜 메타크릴산을 제조하는 방법.A method for producing methacrylic acid by oxidizing methacrylic acid with an oxygen molecule or a gas containing oxygen molecules in a gas phase, characterized by using a catalyst having a heteropolyacid structure and the following general formula. MoaVbPcCudAseXfOgMoaVbPcCudAseX f Og 상기식에서In the above formula Mo,V,P,Cu,As 및 O는 각기 몰리브덴, 바나듐, 인, 구리, 비소 및 산소를 나타내며,Mo, V, P, Cu, As and O each represent molybdenum, vanadium, phosphorus, copper, arsenic and oxygen, X는 주석, 연, 세륨, 코발트, 철, 질코늄, 토륨, 텅스텐, 게르마늄, 닉켈, 레늄, 비스머스, 안티몬, 크롬, 붕소, 마그네슘, 은, 알미늄, 아연 및 티탄등으로부터 선택된 하나이상의 원소를 나타내며,X is one or more elements selected from tin, lead, cerium, cobalt, iron, zirconium, thorium, tungsten, germanium, nickel, rhenium, bismuth, antimony, chromium, boron, magnesium, silver, aluminum, zinc, and titanium. Represents, a,b,c,d,e,f 및 g는 원소의 원자비를 나타내는 것으로a,b,c,d,e,f and g represent the atomic ratio of elements a는 10a is 10 b는 3 또는 0을 제외한 3이하의 숫자,b is 3 or a number less than or equal to 3 excluding 0, c는 0.5 내지 6의 숫자,c is a number from 0.5 to 6, d는 3또는 0을 제외한 3이하의 숫자,d is 3 or less than 3 excluding 0, e는 3또는 0을 제외한 3이하의 숫자,e is 3 or less than 3 excluding 0, f는 0내지 3의 숫자,f is a number from 0 to 3, g는 다른원소의 원자가 및 원자비에 따라 측정된 숫자.g is a number measured according to the valence and atomic ratio of other elements. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed according to the contents of the initial application.
KR1019790004398A 1979-12-12 1979-12-12 Method of producing methacrylic acid KR830001392B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019790004398A KR830001392B1 (en) 1979-12-12 1979-12-12 Method of producing methacrylic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019790004398A KR830001392B1 (en) 1979-12-12 1979-12-12 Method of producing methacrylic acid

Publications (2)

Publication Number Publication Date
KR830001178A true KR830001178A (en) 1983-04-29
KR830001392B1 KR830001392B1 (en) 1983-07-21

Family

ID=19213840

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019790004398A KR830001392B1 (en) 1979-12-12 1979-12-12 Method of producing methacrylic acid

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KR (1) KR830001392B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6230715B1 (en) * 1999-02-16 2001-05-15 Yong-Hoon Cho Device for curling eyelashes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6230715B1 (en) * 1999-02-16 2001-05-15 Yong-Hoon Cho Device for curling eyelashes

Also Published As

Publication number Publication date
KR830001392B1 (en) 1983-07-21

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