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
Links
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 13
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- 239000001301 oxygen Substances 0.000 claims description 13
- 230000032050 esterification Effects 0.000 claims description 10
- 238000005886 esterification reaction Methods 0.000 claims description 10
- 150000002148 esters Chemical class 0.000 claims description 8
- 239000003112 inhibitor Substances 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 6
- 238000004821 distillation Methods 0.000 claims description 6
- 238000000746 purification Methods 0.000 claims description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- SGLDQLCVBBVVAJ-UHFFFAOYSA-N prop-2-enamide;sulfuric acid Chemical compound NC(=O)C=C.OS(O)(=O)=O SGLDQLCVBBVVAJ-UHFFFAOYSA-N 0.000 claims description 3
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 2
- 230000000295 complement effect Effects 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 1
- -1 for example Substances 0.000 claims 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 1
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000006116 polymerization reaction Methods 0.000 description 16
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- WJFKNYWRSNBZNX-UHFFFAOYSA-N 10H-phenothiazine Chemical compound C1=CC=C2NC3=CC=CC=C3SC2=C1 WJFKNYWRSNBZNX-UHFFFAOYSA-N 0.000 description 6
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 229950000688 phenothiazine Drugs 0.000 description 6
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 description 5
- 229960000907 methylthioninium chloride Drugs 0.000 description 5
- 125000005907 alkyl ester group Chemical group 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 229960004337 hydroquinone Drugs 0.000 description 3
- 238000007127 saponification reaction Methods 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000895 extractive distillation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- PNXMTCDJUBJHQJ-UHFFFAOYSA-N propyl prop-2-enoate Chemical compound CCCOC(=O)C=C PNXMTCDJUBJHQJ-UHFFFAOYSA-N 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
- C08F2/40—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation using retarding agents
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/18—Preparation of carboxylic acid esters by conversion of a group containing nitrogen into an ester group
- C07C67/20—Preparation of carboxylic acid esters by conversion of a group containing nitrogen into an ester group from amides or lactams
-
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEK0039392 | 1959-12-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE597880A true BE597880A (enrdf_load_html_response) | 1960-12-30 |
Family
ID=7221695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE597880A BE597880A (enrdf_load_html_response) | 1959-12-10 | 1960-12-07 |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE597880A (enrdf_load_html_response) |
FR (1) | FR1275644A (enrdf_load_html_response) |
GB (1) | GB920353A (enrdf_load_html_response) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4836956B1 (enrdf_load_html_response) * | 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 |
CA2197666A1 (en) * | 1994-08-18 | 1996-02-29 | Peter Arnoldy | Process for preparing refined acrylic esters |
BR112015021117B1 (pt) * | 2013-03-15 | 2020-06-09 | Bausch & Lomb | processo para estender a vida em prateleira de uma mistura monomérica, aparelho, e, sistema |
CN118900835A (zh) * | 2022-03-25 | 2024-11-05 | 三菱瓦斯化学株式会社 | (甲基)丙烯酸单体和/或(甲基)丙烯酸酯单体的精制方法 |
-
1960
- 1960-12-02 GB GB4162560A patent/GB920353A/en not_active Expired
- 1960-12-05 FR FR845911A patent/FR1275644A/fr not_active Expired
- 1960-12-07 BE BE597880A patent/BE597880A/fr unknown
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 | |
EP2791098B1 (fr) | Procede de purification de la vanilline par extraction liquide-liquide | |
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 | |
WO2018104661A1 (fr) | Procede pour eviter le depot de polymeres dans un procede de purification d'acide (meth)acrylique | |
JP3160983B2 (ja) | 酢酸エチルの精製方法 | |
BE597880A (enrdf_load_html_response) | ||
FR2756280A1 (fr) | Purification de l'acide acrylique obtenu par oxydation catalytique du propylene | |
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. |