MX2020002414A - Metodo para recuperar metacroleina y metanol a partir de metacroleina dimetilacetal. - Google Patents

Metodo para recuperar metacroleina y metanol a partir de metacroleina dimetilacetal.

Info

Publication number
MX2020002414A
MX2020002414A MX2020002414A MX2020002414A MX2020002414A MX 2020002414 A MX2020002414 A MX 2020002414A MX 2020002414 A MX2020002414 A MX 2020002414A MX 2020002414 A MX2020002414 A MX 2020002414A MX 2020002414 A MX2020002414 A MX 2020002414A
Authority
MX
Mexico
Prior art keywords
methacrolein
methanol
recovery
dimethylacetal
dimethyl acetal
Prior art date
Application number
MX2020002414A
Other languages
English (en)
Inventor
Rajesh Shah
William G Worley
Alan E Sopchik
Original Assignee
Dow Global Technologies Llc
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 Dow Global Technologies Llc filed Critical Dow Global Technologies Llc
Publication of MX2020002414A publication Critical patent/MX2020002414A/es

Links

Classifications

    • 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
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/511—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
    • C07C45/515—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups the singly bound functional group being an acetalised, ketalised hemi-acetalised, or hemi-ketalised hydroxyl group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/09—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/09—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis
    • C07C29/095—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of esters of organic acids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
    • C07C31/02—Monohydroxylic acyclic alcohols
    • C07C31/04—Methanol
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/20—Unsaturated compounds containing keto groups bound to acyclic carbon atoms
    • C07C49/203—Unsaturated compounds containing keto groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
    • 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
    • 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
    • Y02P20/10—Process efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

Un proceso para recuperar metacroleína y metanol a partir de metacroleína dimetil acetal. El método comprende una etapa de poner en contacto una mezcla que comprende metacrilato de metilo y metacroleína dimetil acetal con una resina de intercambio iónico de ácido fuerte en presencia de agua. La mezcla comprende no más de 0.2 % en peso de metacrilato de sodio.
MX2020002414A 2017-09-11 2018-09-04 Metodo para recuperar metacroleina y metanol a partir de metacroleina dimetilacetal. MX2020002414A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762556527P 2017-09-11 2017-09-11
PCT/US2018/049336 WO2019050830A1 (en) 2017-09-11 2018-09-04 PROCESS FOR RECOVERING METHACROLEIN AND METHANOL FROM METHACROLEIN DIMETHYLACETAL

Publications (1)

Publication Number Publication Date
MX2020002414A true MX2020002414A (es) 2020-07-13

Family

ID=63684533

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2020002414A MX2020002414A (es) 2017-09-11 2018-09-04 Metodo para recuperar metacroleina y metanol a partir de metacroleina dimetilacetal.

Country Status (10)

Country Link
US (1) US11098000B2 (es)
EP (1) EP3681855B1 (es)
JP (1) JP7245821B2 (es)
KR (1) KR20200046074A (es)
CN (1) CN111051275A (es)
BR (1) BR112020004257B1 (es)
CA (1) CA3074717A1 (es)
MX (1) MX2020002414A (es)
SG (1) SG11202002053RA (es)
WO (1) WO2019050830A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4428116A1 (de) 2023-03-07 2024-09-11 Röhm GmbH Neues verfahren zur herstellung von methylmethacrylat über acetalische zwischenstufen

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1524289A (fr) 1967-03-29 1968-05-10 Melle Usines Sa Procédé de scission d'acétals
JPS5818364B2 (ja) 1974-04-09 1983-04-12 東レ株式会社 カキヨウジユウゴウタイソセイブツ ノ セイゾウホウホウ
JPS58183641A (ja) * 1982-04-19 1983-10-26 Asahi Chem Ind Co Ltd （メタ）アクリル酸メチルの精製法
DE3403426A1 (de) * 1984-02-01 1985-08-01 Degussa Ag, 6000 Frankfurt Verfahren zur herstellung von acetalen
US5079266A (en) * 1988-01-04 1992-01-07 Betz Laboratories, Inc. Method of generating acrolein
US4851583A (en) * 1988-01-04 1989-07-25 Betz Laboratories, Inc. Method of generating acrolein
JP3532763B2 (ja) 1998-04-22 2004-05-31 旭化成ケミカルズ株式会社 メタクリル酸メチルの精製法
DE10021886A1 (de) 2000-05-05 2001-11-15 Basell Polyolefine Gmbh Verfahren zum Herstellen von Phillips-Katalysatoren für die Polymerisation von Olefinen mit verbesserten Produktivitäten im Paricle-Form-Verfahren
CN102276427B (zh) * 2011-07-19 2013-05-01 湖北新景新材料有限公司 一种用丙烯醛制备缩醛的方法
JP5818364B2 (ja) 2012-07-27 2015-11-18 株式会社コベルコ科研 半導体基板と絶縁膜との界面評価方法、及び半導体基板と絶縁膜との界面評価装置
CN106631759B (zh) * 2016-12-09 2019-02-15 中国化学赛鼎宁波工程有限公司 一种生产甲基丙烯酸联产甲基丙烯醛的系统和方法

Also Published As

Publication number Publication date
CA3074717A1 (en) 2019-03-14
BR112020004257B1 (pt) 2023-05-16
BR112020004257A2 (pt) 2020-09-29
WO2019050830A1 (en) 2019-03-14
SG11202002053RA (en) 2020-04-29
CN111051275A (zh) 2020-04-21
JP2020533285A (ja) 2020-11-19
US11098000B2 (en) 2021-08-24
KR20200046074A (ko) 2020-05-06
EP3681855B1 (en) 2021-08-11
US20210061746A1 (en) 2021-03-04
JP7245821B2 (ja) 2023-03-24
EP3681855A1 (en) 2020-07-22

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