GB1317517A - Method for rectifying oxygen-containing tetrafluoroethylene - Google Patents
Method for rectifying oxygen-containing tetrafluoroethyleneInfo
- Publication number
- GB1317517A GB1317517A GB5450671A GB5450671A GB1317517A GB 1317517 A GB1317517 A GB 1317517A GB 5450671 A GB5450671 A GB 5450671A GB 5450671 A GB5450671 A GB 5450671A GB 1317517 A GB1317517 A GB 1317517A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tetrafluoroethylene
- oxygen
- terpene
- rectification tower
- nov
- 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.)
- Expired
Links
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 title abstract 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title abstract 4
- 239000001301 oxygen Substances 0.000 title abstract 4
- 229910052760 oxygen Inorganic materials 0.000 title abstract 4
- 150000003505 terpenes Chemical class 0.000 abstract 2
- 235000007586 terpenes Nutrition 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 238000010992 reflux Methods 0.000 abstract 1
- 229920006395 saturated elastomer Polymers 0.000 abstract 1
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP45104642A JPS4948287B1 (https=) | 1970-11-26 | 1970-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1317517A true GB1317517A (en) | 1973-05-23 |
Family
ID=14386091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5450671A Expired GB1317517A (en) | 1970-11-26 | 1971-11-24 | Method for rectifying oxygen-containing tetrafluoroethylene |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3834996A (https=) |
| JP (1) | JPS4948287B1 (https=) |
| GB (1) | GB1317517A (https=) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0727629A3 (en) * | 1995-02-16 | 1997-09-17 | Praxair Technology Inc | Cryogenic rectification system for the recovery of fluorinated compounds |
| EP2000452A1 (en) * | 2007-05-15 | 2008-12-10 | Daikin Industries, Ltd. | Polymerization inhibitor for tetrafluoroethylene |
| CN101306979B (zh) * | 2007-05-15 | 2013-11-20 | 大金工业株式会社 | 四氟乙烯的聚合抑制剂 |
| CN117839274A (zh) * | 2023-12-20 | 2024-04-09 | 泰兴梅兰新材料有限公司 | 一种四氟乙烯制备中新型填料除氧塔及其除氧方法 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4270940A (en) * | 1979-11-09 | 1981-06-02 | Air Products And Chemicals, Inc. | Recovery of C2 hydrocarbons from demethanizer overhead |
| US4369097A (en) * | 1980-08-29 | 1983-01-18 | Asahi Kasei Kogyo Kabushiki Kaisha | Method and apparatus of distillation for readily polymerizable liquid |
| US5049241A (en) * | 1990-03-27 | 1991-09-17 | E. I. Du Pont De Nemours And Company | Extractive distillation |
| DE60135096D1 (de) * | 2000-02-29 | 2008-09-11 | Daikin Ind Ltd | Verfahren zur herstellung von tetrafluorethylen |
-
1970
- 1970-11-26 JP JP45104642A patent/JPS4948287B1/ja active Pending
-
1971
- 1971-11-22 US US00200856A patent/US3834996A/en not_active Expired - Lifetime
- 1971-11-24 GB GB5450671A patent/GB1317517A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0727629A3 (en) * | 1995-02-16 | 1997-09-17 | Praxair Technology Inc | Cryogenic rectification system for the recovery of fluorinated compounds |
| EP2000452A1 (en) * | 2007-05-15 | 2008-12-10 | Daikin Industries, Ltd. | Polymerization inhibitor for tetrafluoroethylene |
| US7807859B2 (en) | 2007-05-15 | 2010-10-05 | Daikin Industries, Ltd. | Polymerization inhibitor for tetrafluoroethylene |
| CN101306979B (zh) * | 2007-05-15 | 2013-11-20 | 大金工业株式会社 | 四氟乙烯的聚合抑制剂 |
| CN117839274A (zh) * | 2023-12-20 | 2024-04-09 | 泰兴梅兰新材料有限公司 | 一种四氟乙烯制备中新型填料除氧塔及其除氧方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4948287B1 (https=) | 1974-12-20 |
| US3834996A (en) | 1974-09-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |