BE597880A - - Google Patents

Info

Publication number
BE597880A
BE597880A BE597880A BE597880A BE597880A BE 597880 A BE597880 A BE 597880A BE 597880 A BE597880 A BE 597880A BE 597880 A BE597880 A BE 597880A BE 597880 A BE597880 A BE 597880A
Authority
BE
Belgium
Prior art keywords
emi
air
oxygen
column
polymerization
Prior art date
Application number
BE597880A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE597880A publication Critical patent/BE597880A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/38Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
    • C08F2/40Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation using retarding agents
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/18Preparation of carboxylic acid esters by conversion of a group containing nitrogen into an ester group
    • C07C67/20Preparation of carboxylic acid esters by conversion of a group containing nitrogen into an ester group from amides or lactams
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/48Separation; Purification; Stabilisation; Use of additives
    • C07C67/52Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C67/54Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/48Separation; Purification; Stabilisation; Use of additives
    • C07C67/58Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE597880A 1959-12-10 1960-12-07 BE597880A (forum.php)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK0039392 1959-12-10

Publications (1)

Publication Number Publication Date
BE597880A true BE597880A (forum.php) 1960-12-30

Family

ID=7221695

Family Applications (1)

Application Number Title Priority Date Filing Date
BE597880A BE597880A (forum.php) 1959-12-10 1960-12-07

Country Status (3)

Country Link
BE (1) BE597880A (forum.php)
FR (1) FR1275644A (forum.php)
GB (1) GB920353A (forum.php)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4836956B1 (forum.php) * 1969-01-28 1973-11-08
FR2201275A1 (en) * 1972-09-29 1974-04-26 Nippon Catalytic Chem Ind Distillation of (meth)acrylic monomers - in presence of polymerisation inhibitor in column with perforated plates, and without overflow tube
KR970704662A (ko) * 1994-08-18 1997-09-06 알베르투스 빌헬무스 요아네스 쩨스트라텐 정련된 아크릴산 에스테르의 제조 방법(process for preparing refined acrylic esters)
WO2014151254A1 (en) * 2013-03-15 2014-09-25 Bausch & Lomb Incorporated Method and apparatus for delaying polymerisation
EP4501902A4 (en) * 2022-03-25 2025-07-16 Mitsubishi Gas Chemical Co PROCESS FOR PURIFYING A (METH)ACRYLIC ACID MONOMER AND/OR A (METH)ACRYLIC ACID ESTER MONOMER

Also Published As

Publication number Publication date
GB920353A (en) 1963-03-06
FR1275644A (fr) 1961-11-10

Similar Documents

Publication Publication Date Title
CA2032355C (fr) Procede de preparation de (meth)acrylate d'alkylimidazolidone
FR2913683A1 (fr) Produit brut a base de glycerol, procede pour sa purification et son utilisation dans la fabrication de dichloropropanol
EP1991519A1 (fr) Diesters d'acides carboxylique ramifies
FR3062652A1 (fr) Procede de purification de la vanilline naturelle
FR3111634A1 (fr) Procédé de fabrication d’acide aminoundecanoique et d’acide aminodecanoique
JP3160983B2 (ja) 酢酸エチルの精製方法
BE597880A (forum.php)
FR2756280A1 (fr) Purification de l'acide acrylique obtenu par oxydation catalytique du propylene
BE524422A (forum.php)
CA1247639A (fr) Procede de preparation de trifluoroacetoacetate d'ethyle
EP4584238A1 (fr) Procede ameliore de fabrication d'acides carboxyliques alpha-beta insatures a partir de poly(3-hydroxyalcanoate)
FR2467836A1 (fr) Procede de purification d'alcool b-phenylethylique brut en presence d'un solvant et nouveau produit ainsi obtenu
EP3060539A1 (fr) Utilisation d'acide alcane-sulfonique pour la préparation d'alcool phénolique
EP0083894B1 (fr) Perfectionnement aux procédés de synthèse des acides percarboxyliques
EP0478428A2 (fr) Procédé de préparation d'oxyde borique par hydrolyse du borate de méthyle et sa mise en oeuvre dans l'oxydation d'hydrocarbures saturées en alcools
JPS6150937A (ja) カルボン酸アンモン水溶液からカルボン酸の製造法
WO2006040470A1 (fr) Procede de preparation d'esters ou d’anhydrides (meth)acryliques
WO2011027070A1 (fr) Procede de preparation de (meth)acrylates d'alkylimidazolidone
BE622715A (fr) Procédé pour la séparation de l'acrylate de n-butyle à partir de mélanges
CA1041530A (fr) Procede de separation de l'oxyde de propylene
FR2673942A1 (fr) Procede de preparation de l'acide (e)-propyl-2 pentene-2 ouique et composes intermediaires.
JP4769633B2 (ja) 疎水性非イオン界面活性剤の精製方法
FR2807041A1 (fr) Procede semi-continu de preparation d'amides d'acides carboxyliques bis-silyles
WO2003048145A2 (fr) Procede de preparation d'un compose de type aminobenzofuranne.
CH375021A (fr) Procédé de fabrication d'esters chromones-2-carboxyliques substitués ou non