SA518391122B1 - تصنيع حمض الميثاكريليك من ميثاكريلات ألكيل أساسها ميثاكرولئين - Google Patents

تصنيع حمض الميثاكريليك من ميثاكريلات ألكيل أساسها ميثاكرولئين

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Publication number
SA518391122B1
SA518391122B1 SA518391122A SA518391122A SA518391122B1 SA 518391122 B1 SA518391122 B1 SA 518391122B1 SA 518391122 A SA518391122 A SA 518391122A SA 518391122 A SA518391122 A SA 518391122A SA 518391122 B1 SA518391122 B1 SA 518391122B1
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SA
Saudi Arabia
Prior art keywords
methacrylic acid
methacrolein
alkyl methacrylate
synthesis
based alkyl
Prior art date
Application number
SA518391122A
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English (en)
Inventor
ليغين الكسندر
كريل ستيفين
غرومبينج ماتياس
Original Assignee
روم جي ام بي اتش
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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Publication date
Application filed by روم جي ام بي اتش filed Critical روم جي ام بي اتش
Publication of SA518391122B1 publication Critical patent/SA518391122B1/ar

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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
    • C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
    • 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
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C45/72—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
    • C07C45/75—Reactions with formaldehyde
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/20—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms
    • C07C47/21—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
    • C07C47/22—Acryaldehyde; Methacryaldehyde
    • 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
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
    • 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
    • C07C67/39—Preparation of carboxylic acid esters by oxidation of groups which are precursors for the acid moiety of the ester
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/44—Preparation of carboxylic acid esters by oxidation-reduction of aldehydes, e.g. Tishchenko reaction
    • 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
    • C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • 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
    • C07C67/58—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
    • 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
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00583—Features relative to the processes being carried out
    • B01J2219/0059—Sequential processes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2527/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • C07C2527/02—Sulfur, selenium or tellurium; Compounds thereof
    • C07C2527/03—Acids of sulfur other than sulfhydric acid or sulfuric acid, e.g. halosulfonic acids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2527/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • C07C2527/02—Sulfur, selenium or tellurium; Compounds thereof
    • C07C2527/053—Sulfates or other compounds comprising the anion (SnO3n+1)2-
    • C07C2527/054—Sulfuric acid or other acids with the formula H2Sn03n+1
    • 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

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

Abstract

يتعلق الاختراع الحالي بعملية لتحضير مركبات ميثاكريلات ألكيل alkyl methacrylates، وتحديدا مثيل ميثاكريلات methyl methacrylate (MMA) وحمض الميثاكريليك methacrylic acid، أساسها الميثاكرولئين methacrolein، الذي تم استرته تأكسدياً في مرحلة ثانية للعملية. ويمكن الحصول على الميثاكرولئين methacrolein من حيث المبدأ من وحدات بها ذرتي كربون carbon (C2) ووحدات بها 4 ذرات كربون (C4). وتتميز العملية الحالية بأنه يمكن بواسطتها الحصول على ميثاكريلات ألكيل alkyl methacrylate وحمض الميثاكريليك methacrylic acid بطريقة بسيطة، بمعدلات انتاج عالية ونقاوة عالية، سواء في صورة خليط أو في صورة تيارات منتجات مفصولة. وبالتحديد، تتميز عملية الاختراع بشكل كبير بأنه يمكن تحديدا ضبط النسبة من المنتجات المرغوبة حمض الميثاكريليك methacrylic acid وميثاكريلات الألكيل alkyl methacrylate، وخاصة MMA، بحرِّية ضمن مدى واسع وأنها تختلف باختلاف الاجراءات الهندسية الكيميائية ومتغيرات التشغيل. انظر الشكل 1.
SA518391122A 2015-09-16 2018-03-15 تصنيع حمض الميثاكريليك من ميثاكريلات ألكيل أساسها ميثاكرولئين SA518391122B1 (ar)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15185441.1A EP3144291A1 (de) 2015-09-16 2015-09-16 Synthese von methacrylsäure aus auf methacrolein basierenden alkylmethacrylat

Publications (1)

Publication Number Publication Date
SA518391122B1 true SA518391122B1 (ar) 2022-05-08

Family

ID=54147092

Family Applications (1)

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Country Status (12)

Country Link
US (1) US10479754B2 (ar)
EP (2) EP3144291A1 (ar)
JP (1) JP6824253B2 (ar)
KR (1) KR102638806B1 (ar)
CN (1) CN108137474B (ar)
BR (1) BR112018005075B8 (ar)
ES (1) ES2738990T3 (ar)
RU (1) RU2722364C2 (ar)
SA (1) SA518391122B1 (ar)
SG (1) SG11201802077QA (ar)
TW (1) TWI707842B (ar)
WO (1) WO2017046001A1 (ar)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018217961A1 (en) * 2017-05-25 2018-11-29 Rohm And Haas Company Process for preparing methacrolein
CN108440281B (zh) * 2018-03-16 2021-03-02 上海载正化工科技发展有限公司 化学反应装置及其应用
FR3080623B1 (fr) * 2018-04-27 2021-01-08 Arkema France Valorisation de resine (meth)acrylique par depolymerisation et hydrolyse
EP3587390A1 (de) * 2018-06-26 2020-01-01 Röhm GmbH Verfahren zur herstellung von mma in hohen ausbeuten
EP3608305A1 (en) * 2018-08-10 2020-02-12 Röhm GmbH Process for producing methacrylic acid or methacrylic acid esters
EP3760608A1 (de) * 2019-07-05 2021-01-06 Röhm GmbH Verfahren zur herstellung von alkylmethacrylaten und optional methacrylsäure
EP3798206A1 (de) * 2019-09-25 2021-03-31 Röhm GmbH Verfahren zur herstellung von alkylmethacrylaten mit verbesserter wasser- und säureführung
EP3798202A1 (de) * 2019-09-25 2021-03-31 Röhm GmbH Verfahren zur aufreinigung von methylmethacrylat von leichtsiedenden komponenten
CN118055919A (zh) 2021-10-08 2024-05-17 陶氏环球技术有限责任公司 用于产生甲基丙烯酸的方法

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Also Published As

Publication number Publication date
RU2722364C2 (ru) 2020-05-29
BR112018005075A8 (pt) 2018-10-02
JP6824253B2 (ja) 2021-02-03
KR102638806B1 (ko) 2024-02-20
TW201722901A (zh) 2017-07-01
JP2018527376A (ja) 2018-09-20
CN108137474A (zh) 2018-06-08
BR112018005075B1 (pt) 2021-06-29
KR20180052741A (ko) 2018-05-18
TWI707842B (zh) 2020-10-21
US20180251418A1 (en) 2018-09-06
EP3350152A1 (de) 2018-07-25
ES2738990T3 (es) 2020-01-28
US10479754B2 (en) 2019-11-19
RU2018113528A (ru) 2019-10-16
BR112018005075B8 (pt) 2021-10-05
EP3144291A1 (de) 2017-03-22
RU2018113528A3 (ar) 2019-12-02
WO2017046001A1 (de) 2017-03-23
SG11201802077QA (en) 2018-04-27
BR112018005075A2 (pt) 2018-10-02
EP3350152B1 (de) 2019-06-12
CN108137474B (zh) 2021-09-17

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