EP4716681A1 - Verfahren zur reinigung von leichten acrylaten - Google Patents

Verfahren zur reinigung von leichten acrylaten

Info

Publication number
EP4716681A1
EP4716681A1 EP24730745.7A EP24730745A EP4716681A1 EP 4716681 A1 EP4716681 A1 EP 4716681A1 EP 24730745 A EP24730745 A EP 24730745A EP 4716681 A1 EP4716681 A1 EP 4716681A1
Authority
EP
European Patent Office
Prior art keywords
column
distillation
alkyl acrylate
purification
stream
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.)
Pending
Application number
EP24730745.7A
Other languages
English (en)
French (fr)
Inventor
Kévin COULET
Serge Tretjak
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.)
Arkema France SA
Original Assignee
Arkema France SA
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 Arkema France SA filed Critical Arkema France SA
Publication of EP4716681A1 publication Critical patent/EP4716681A1/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • 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
    • C07C67/62—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
    • 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)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
EP24730745.7A 2023-05-22 2024-05-15 Verfahren zur reinigung von leichten acrylaten Pending EP4716681A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2305029A FR3149008A1 (fr) 2023-05-22 2023-05-22 Procede de purification d’acrylates legers
PCT/FR2024/050619 WO2024241004A1 (fr) 2023-05-22 2024-05-15 Procede de purification d'acrylates legers

Publications (1)

Publication Number Publication Date
EP4716681A1 true EP4716681A1 (de) 2026-04-01

Family

ID=87889999

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24730745.7A Pending EP4716681A1 (de) 2023-05-22 2024-05-15 Verfahren zur reinigung von leichten acrylaten

Country Status (5)

Country Link
EP (1) EP4716681A1 (de)
KR (1) KR20260013189A (de)
CN (1) CN121175286A (de)
FR (1) FR3149008A1 (de)
WO (1) WO2024241004A1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5866713A (en) 1996-08-20 1999-02-02 Mitsubishi Chemical Corporation Method for preparing (meth)acrylic acid ester
FR3012447B1 (fr) 2013-10-29 2017-01-20 Arkema France Procede de production d'esters (meth)acryliques legers
ES1150308Y (es) 2016-01-21 2016-04-29 Quimiopen S L Dispositivo dosificador de sustancias volátiles
FR3083233B1 (fr) 2018-06-27 2020-05-29 Arkema France Procede de purification d'acrylates legers.

Also Published As

Publication number Publication date
CN121175286A (zh) 2025-12-19
FR3149008A1 (fr) 2024-11-29
KR20260013189A (ko) 2026-01-27
WO2024241004A1 (fr) 2024-11-28

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