FR2407905A1 - Procede de preparation du chloroprene - Google Patents
Procede de preparation du chloropreneInfo
- Publication number
- FR2407905A1 FR2407905A1 FR7733578A FR7733578A FR2407905A1 FR 2407905 A1 FR2407905 A1 FR 2407905A1 FR 7733578 A FR7733578 A FR 7733578A FR 7733578 A FR7733578 A FR 7733578A FR 2407905 A1 FR2407905 A1 FR 2407905A1
- Authority
- FR
- France
- Prior art keywords
- chloroprene
- dichlorobutene
- butadiene
- reacted
- base
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C21/00—Acyclic unsaturated compounds containing halogen atoms
- C07C21/02—Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds
- C07C21/19—Halogenated dienes
- C07C21/20—Halogenated butadienes
- C07C21/21—Chloroprene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/25—Preparation of halogenated hydrocarbons by splitting-off hydrogen halides from halogenated hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C07C17/42—Use of additives, e.g. for stabilisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
PROCEDE DE PREPARATION DU CHLOROPRENE. IL COMPREND LA CHLORATION D'UN EXCES DE BUTADIENE; LA SEPARATION DU BUTADIENE N'AYANT PAS REAGI DU MELANGE DE REACTION; L'ISOMERISATION DU 1,4-DICHLROBUTENE-2 EN 3,4-DICHLOROBUTENE-1; LA REACTION DU 3,4-DICHLOROBUTENE-1 AVEC UNE BASE POUR OBTENIR LE CHLOROPRENE ET EST CARACTERISE EN CE QUE L'ON SEPARE LES COMPOSES A PLUS HAUT POINT D'EBULLITION DU MELANGE DE REACTION AVANT LA SEPARATION DU BUTADIENE N'AYANT PAS REAGI ET EN CE QUE L'ON FAIT REAGIR LE 3,4-DICHLOROBUTENE-1 AVEC UNE BASE EN PRESENCE DE THIODIPHENYL AMINE ET DE 2,6-DI-TERTIOBUTYL-P-CRESOL CE QUI EVITE UN ENCRASSEMENT DU MATERIEL. OBTENTION DE CHLOROPRENE.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/847,930 US4125564A (en) | 1977-11-02 | 1977-11-02 | Process for producing chloroprene |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2407905A1 true FR2407905A1 (fr) | 1979-06-01 |
FR2407905B1 FR2407905B1 (fr) | 1981-03-20 |
Family
ID=25301860
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7733578A Granted FR2407905A1 (fr) | 1977-11-02 | 1977-11-08 | Procede de preparation du chloroprene |
Country Status (4)
Country | Link |
---|---|
US (1) | US4125564A (fr) |
DE (2) | DE2759792C2 (fr) |
FR (1) | FR2407905A1 (fr) |
NL (1) | NL171047C (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2754891C3 (de) * | 1977-12-09 | 1981-02-26 | Wacker-Chemie Gmbh, 8000 Muenchen | Verfahren zur Reinigung von nichtumgesetztem 1.2-Dichloräthan aus der Vinylchloridherstellung |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1208852A (fr) * | 1957-11-28 | 1960-02-26 | Distillers Co Yeast Ltd | Procédé de préparation du chloroprène |
GB984094A (en) * | 1963-02-01 | 1965-02-24 | Distillers Co Yeast Ltd | Improvements in or relating to the production of dichlorbutenes |
FR2149566A1 (fr) * | 1971-08-18 | 1973-03-30 | Knapsack Ag | |
DE2541270A1 (de) * | 1974-09-16 | 1976-03-25 | Petro Tex Chem Corp | Inhibierung der chloroprenpolymerisation |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB868281A (en) * | 1957-11-28 | 1961-05-17 | Distillers Co Yeast Ltd | Production of chloroprene |
NL288175A (fr) * | 1962-02-08 | |||
JPS4936607A (fr) * | 1972-08-09 | 1974-04-05 | ||
US3898294A (en) * | 1972-11-06 | 1975-08-05 | Petro Tex Chem Corp | Chloroprene process improvement |
-
1977
- 1977-11-02 US US05/847,930 patent/US4125564A/en not_active Expired - Lifetime
- 1977-11-03 NL NLAANVRAGE7712112,A patent/NL171047C/xx not_active IP Right Cessation
- 1977-11-08 FR FR7733578A patent/FR2407905A1/fr active Granted
- 1977-11-11 DE DE2759792A patent/DE2759792C2/de not_active Expired
- 1977-11-11 DE DE2750573A patent/DE2750573C2/de not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1208852A (fr) * | 1957-11-28 | 1960-02-26 | Distillers Co Yeast Ltd | Procédé de préparation du chloroprène |
GB984094A (en) * | 1963-02-01 | 1965-02-24 | Distillers Co Yeast Ltd | Improvements in or relating to the production of dichlorbutenes |
FR2149566A1 (fr) * | 1971-08-18 | 1973-03-30 | Knapsack Ag | |
DE2541270A1 (de) * | 1974-09-16 | 1976-03-25 | Petro Tex Chem Corp | Inhibierung der chloroprenpolymerisation |
Also Published As
Publication number | Publication date |
---|---|
NL7712112A (nl) | 1979-05-07 |
US4125564A (en) | 1978-11-14 |
DE2759792C2 (de) | 1984-05-30 |
DE2750573A1 (de) | 1979-05-17 |
FR2407905B1 (fr) | 1981-03-20 |
NL171047C (nl) | 1983-02-01 |
DE2750573C2 (de) | 1982-05-06 |
NL171047B (nl) | 1982-09-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2400501A1 (fr) | Procede adiabatique continu de mononitration du benzene | |
FR2455019A1 (fr) | Procede de production de methyltertiobutyl ether a partir de methanol et d'isobutene | |
FR2440988A1 (fr) | Procede pour l'obtention en continu de sels alcalins d'acides gras | |
FR2407905A1 (fr) | Procede de preparation du chloroprene | |
FR2419927A1 (fr) | Procede pour preparer de l'hexanitro-2,2', 4,4', 6,6' stilbene | |
DE3167016D1 (en) | New 20-substituted 3-oxo-pregn-4-ene steroid compounds and process for their preparation | |
JPS5346929A (en) | Process for preparing a mixture of metaaaryloxybenzyl chloride and metaaaryloxybenzyl chloride | |
JPS52148014A (en) | Preparation of 1,4-glycoldiester | |
JPS52104504A (en) | Process for recovering oil from oil sludge | |
JPS5268115A (en) | Preparation of unsaturated ketones | |
JPS543019A (en) | Preparation of 4-nitrosodiphenylamine hydrochliride | |
JPS51129884A (en) | Process for producing silicone emulsions | |
JPS5690059A (en) | Preparation of 2,3-dihalogeno-5-trifluoromethylpyridine | |
JPS5387797A (en) | Cataphoresis membrane | |
JPS5413475A (en) | Preparation of single crystal | |
SU356876A1 (ru) | Способ флотации руд цветных металлов | |
JPS5329391A (en) | Preparation of phenolic resin | |
JPS5479208A (en) | Preparation of 1,3-dichloropropene | |
JPS5699448A (en) | Preparation of lower alkoxyaniline | |
FR2413356A1 (fr) | Procede de synthese de dinitro-2,4 t-butyl-6 methyl-3 anisole dit musc ambrette | |
JPS53130609A (en) | Preparation of dichlorobutene | |
JPS53137897A (en) | Method of burning lime and its device | |
JPS5234990A (en) | Method of making heavy rum | |
JPS54100329A (en) | Preparation of aromatic hydroxyl compound by novel continous alkali fusion and its device | |
JPS52149535A (en) | Constitution of bottom ring for water wheel and water wheel for pump |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |