DE2145975A1 - Verfahren zur kontinuierlichen herstellung von vinylidenfluorid - Google Patents
Verfahren zur kontinuierlichen herstellung von vinylidenfluoridInfo
- Publication number
- DE2145975A1 DE2145975A1 DE19712145975 DE2145975A DE2145975A1 DE 2145975 A1 DE2145975 A1 DE 2145975A1 DE 19712145975 DE19712145975 DE 19712145975 DE 2145975 A DE2145975 A DE 2145975A DE 2145975 A1 DE2145975 A1 DE 2145975A1
- Authority
- DE
- Germany
- Prior art keywords
- difluoroethane
- vinylidene fluoride
- chlorodifluoroethane
- reaction
- pyrolysis
- 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
Links
- 238000000034 method Methods 0.000 title claims description 28
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 title claims description 24
- 238000010924 continuous production Methods 0.000 title claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 29
- NPNPZTNLOVBDOC-UHFFFAOYSA-N 1,1-difluoroethane Chemical compound CC(F)F NPNPZTNLOVBDOC-UHFFFAOYSA-N 0.000 claims description 20
- 238000000197 pyrolysis Methods 0.000 claims description 18
- 239000000460 chlorine Substances 0.000 claims description 16
- 229910052801 chlorine Inorganic materials 0.000 claims description 15
- 229940051271 1,1-difluoroethane Drugs 0.000 claims description 14
- 238000005660 chlorination reaction Methods 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 13
- BHNZEZWIUMJCGF-UHFFFAOYSA-N 1-chloro-1,1-difluoroethane Chemical compound CC(F)(F)Cl BHNZEZWIUMJCGF-UHFFFAOYSA-N 0.000 claims description 12
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 9
- 239000007795 chemical reaction product Substances 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 238000004821 distillation Methods 0.000 claims description 3
- 150000008282 halocarbons Chemical class 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- -1 hydrogen halides Chemical class 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims 1
- 150000002367 halogens Chemical class 0.000 claims 1
- 150000005826 halohydrocarbons Chemical class 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 7
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 7
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000007033 dehydrochlorination reaction Methods 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 3
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- FPBWSPZHCJXUBL-UHFFFAOYSA-N 1-chloro-1-fluoroethene Chemical group FC(Cl)=C FPBWSPZHCJXUBL-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical compound F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 description 1
- 125000004773 chlorofluoromethyl group Chemical group [H]C(F)(Cl)* 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
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
- C07C21/18—Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds containing fluorine
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712145975 DE2145975A1 (de) | 1971-09-15 | 1971-09-15 | Verfahren zur kontinuierlichen herstellung von vinylidenfluorid |
| BE788277A BE788277A (fr) | 1971-09-15 | 1972-08-31 | Procede de production continue du fluorure de vinylidene |
| FR7232670A FR2152989B1 (enExample) | 1971-09-15 | 1972-09-14 | |
| IT2923872A IT967495B (it) | 1971-09-15 | 1972-09-15 | Procedimento per la produzione continua di fluoruro di vinilidene |
| GB4293972A GB1387737A (en) | 1971-09-15 | 1972-09-15 | Process for the continuous production of vinylidene fluoride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712145975 DE2145975A1 (de) | 1971-09-15 | 1971-09-15 | Verfahren zur kontinuierlichen herstellung von vinylidenfluorid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2145975A1 true DE2145975A1 (de) | 1973-03-22 |
Family
ID=5819535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712145975 Pending DE2145975A1 (de) | 1971-09-15 | 1971-09-15 | Verfahren zur kontinuierlichen herstellung von vinylidenfluorid |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE788277A (enExample) |
| DE (1) | DE2145975A1 (enExample) |
| FR (1) | FR2152989B1 (enExample) |
| GB (1) | GB1387737A (enExample) |
| IT (1) | IT967495B (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2842802B1 (fr) * | 2002-07-24 | 2004-09-03 | Atofina | Procede de fabrication du 1,1-difluoroethane et application a la fabrication du 1,1-difluoroethylene |
| CN102320918B (zh) * | 2011-10-17 | 2013-06-26 | 山东华夏神舟新材料有限公司 | 1-氯-1,1-二氟乙烷的制备方法 |
-
1971
- 1971-09-15 DE DE19712145975 patent/DE2145975A1/de active Pending
-
1972
- 1972-08-31 BE BE788277A patent/BE788277A/xx unknown
- 1972-09-14 FR FR7232670A patent/FR2152989B1/fr not_active Expired
- 1972-09-15 IT IT2923872A patent/IT967495B/it active
- 1972-09-15 GB GB4293972A patent/GB1387737A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT967495B (it) | 1974-02-28 |
| BE788277A (fr) | 1972-12-18 |
| GB1387737A (en) | 1975-03-19 |
| FR2152989A1 (enExample) | 1973-04-27 |
| FR2152989B1 (enExample) | 1976-05-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHA | Expiration of time for request for examination |