CN1043571C - 由偏氯乙烯液相氟化制1,1,1-三氟乙烷 - Google Patents
由偏氯乙烯液相氟化制1,1,1-三氟乙烷 Download PDFInfo
- Publication number
- CN1043571C CN1043571C CN94101728A CN94101728A CN1043571C CN 1043571 C CN1043571 C CN 1043571C CN 94101728 A CN94101728 A CN 94101728A CN 94101728 A CN94101728 A CN 94101728A CN 1043571 C CN1043571 C CN 1043571C
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- CN
- China
- Prior art keywords
- reaction
- ccl
- temperature
- vinylidene chloride
- cclf
- 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 - Lifetime
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
| 反应时间累计(小时) | 反应温度 | 碱洗后产物组成M% | HFC143a产量 | CH2=CCl2 | |||||
| 一段 | 二段 | HFC143a | HCFC142b | HCFC141b | 克/小时 | 克/克小时 | 转化率% | 选择性% | |
| 50100150200250300 | 505050505050 | 101010101010 | 99.299.299.299.199.199.0 | 0.70.70.70.80.80.9 | 0.10.10.10.10.10.2 | 258258258257257257 | 0.3040.3040.3040.3020.3020.302 | >99.9>99.9>99.9>99.9>99.9>99.9 | 99.399.399.399.299.299.2 |
| 序号 | 催化剂种类 | 反应温度 | 碱洗后产物组成M% | HFC143a产量 | CH2=CCl2 | |||||
| 一段 | 二段 | HFC143a | HCFC142a | HCFC141b | 克/小时 | 克/克小时 | 转化率% | 选择性% | ||
| 2345 | SnCl4TiCl4HSO3ClHSO3F | 50505050 | 60606060 | 99.299.099.299 2 | 0 70 90 70.7 | 0.10.10.10 1 | 258257258258 | 0.3040.3020.3040.304 | >99.9>99.9>99.9>99.9 | 99.299.099.299.2 |
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94101728A CN1043571C (zh) | 1994-02-08 | 1994-02-08 | 由偏氯乙烯液相氟化制1,1,1-三氟乙烷 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94101728A CN1043571C (zh) | 1994-02-08 | 1994-02-08 | 由偏氯乙烯液相氟化制1,1,1-三氟乙烷 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1106781A CN1106781A (zh) | 1995-08-16 |
| CN1043571C true CN1043571C (zh) | 1999-06-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94101728A Expired - Lifetime CN1043571C (zh) | 1994-02-08 | 1994-02-08 | 由偏氯乙烯液相氟化制1,1,1-三氟乙烷 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1043571C (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108046981A (zh) * | 2017-12-25 | 2018-05-18 | 东阳市巍华制冷材料有限公司 | 一种合成1,1,1-三氟乙烷的方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0036123A1 (de) * | 1980-03-14 | 1981-09-23 | Hoechst Aktiengesellschaft | Verfahren zur Herstellung von hochreinen teilfluorierten Äthanen |
| US4849555A (en) * | 1987-07-03 | 1989-07-18 | Societe Atochem | Synthesis of 1-chloro-1, 1-difluoroethane |
| EP0324478A1 (en) * | 1988-01-15 | 1989-07-19 | AUSIMONT S.r.l. | Process for preparing 1,2-difluoroethane and 1,1,2-trifluoroethane |
| DE4005945A1 (de) * | 1990-02-26 | 1991-08-29 | Kali Chemie Ag | Verfahren zur herstellung von aethanderivaten |
-
1994
- 1994-02-08 CN CN94101728A patent/CN1043571C/zh not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0036123A1 (de) * | 1980-03-14 | 1981-09-23 | Hoechst Aktiengesellschaft | Verfahren zur Herstellung von hochreinen teilfluorierten Äthanen |
| US4849555A (en) * | 1987-07-03 | 1989-07-18 | Societe Atochem | Synthesis of 1-chloro-1, 1-difluoroethane |
| EP0324478A1 (en) * | 1988-01-15 | 1989-07-19 | AUSIMONT S.r.l. | Process for preparing 1,2-difluoroethane and 1,1,2-trifluoroethane |
| DE4005945A1 (de) * | 1990-02-26 | 1991-08-29 | Kali Chemie Ag | Verfahren zur herstellung von aethanderivaten |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1106781A (zh) | 1995-08-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG LANTIAN HIGH-TECH ENVIRONMENTAL PROTECTI Free format text: FORMER OWNER: ZHEJIANG PROVINCIAL CHEMICAL ENGINEERING RESEARCH INST. Effective date: 20020820 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20020820 Address after: No. 387, Tianmu Mountain Road, Zhejiang, Hangzhou Patentee after: Zhejiang Lantian Environment Protecting Sci-Tech Co., Ltd. Address before: Hangzhou, Zhejiang Province, leaving the camp door Patentee before: Chemical Industry Inst. of Zhejiang Prov. |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Province blue green environmental protection fluorine Materials Co., Ltd Assignor: Zhejiang Lantian Environment Protecting Sci-Tech Co., Ltd. Contract fulfillment period: 2008.11.1 to 2014.2.7 contract change Contract record no.: 2008330002734 Denomination of invention: 1,1,1-trifluoroethane preparation by liquid-phase fluorization of unsym. vinylidene chloride Granted publication date: 19990318 License type: Exclusive license Record date: 20081219 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.11.1 TO 2014.2.7; CHANGE OF CONTRACT Name of requester: ZHEJIANG PROVINCE BLUE GREEN ENVIRONMENTAL PROTECT Effective date: 20081219 |
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| CX01 | Expiry of patent term |
Expiration termination date: 20140208 Granted publication date: 19990609 |
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| CX01 | Expiry of patent term |