CN1037600C - 1,1-二氟乙烷的改进分离提纯方法 - Google Patents
1,1-二氟乙烷的改进分离提纯方法 Download PDFInfo
- Publication number
- CN1037600C CN1037600C CN 92100388 CN92100388A CN1037600C CN 1037600 C CN1037600 C CN 1037600C CN 92100388 CN92100388 CN 92100388 CN 92100388 A CN92100388 A CN 92100388A CN 1037600 C CN1037600 C CN 1037600C
- Authority
- CN
- China
- Prior art keywords
- vinylchlorid
- reaction
- temperature
- hfc
- hydrogen fluoride
- 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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Abstract
Description
序号 | 催化剂名称 | 粗 产 物 组 成 W% | H2C=CHCl转化率% | H2C=CHCl转化为HFC-152a选择性% |
HFC-152a CH2=CHCl HFC-151a CH3CHCl2 | ||||
2345 | SbCl5SbF5HSO3FTiCl4 | 96.7 0.7 2.4 0.296.5 0.8 2.5 0.296.8 0.6 2.4 0.296.6 0.8 2.4 0.2 | 99.399.299.499.2 | 97.497.397.497.4 |
序号 | 反应温度℃ | 粗 产 物 组 成 W% | H2C=CHCl转化率% | H2C=CHC转化为HFC-152a选择性% |
HFC-152a CH2=CHCl HFC-151a CH3CHCl2 | ||||
1234 | 60554333 | 97.1 0.6 2.1 0.296.9 0.9 2.0 0.292.4 0.7 2.5 0.496.2 0.8 2.4 0.6 | 99.499.199.399.2 | 97.797.897.197.0 |
冷凝温度℃ | 反应压力MPa | 粗 产 物 组 成 W% | H2C=CHCl转化率% | H2C=CHCl转化为HFC-152a选择性% |
HFC-152a CH2=CHCl HFC-151a CH3CHCl2 | ||||
29291616121212 | 0.700.600.680.550.710.680.50 | 83.3 1.7 11.7 3.374.0 6.1 15.8 4.195.6 0.4 3.6 0.494.8 0.4 4.3 0.598.4 0.3 1.2 0.196.1 0.8 2.8 0.389.1 1.0 7.8 1.2 | 98.393.999.699.699.799.298.1 | 84.778.896.095.298.796.990.8 |
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 92100388 CN1037600C (zh) | 1992-01-15 | 1992-01-15 | 1,1-二氟乙烷的改进分离提纯方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 92100388 CN1037600C (zh) | 1992-01-15 | 1992-01-15 | 1,1-二氟乙烷的改进分离提纯方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1069019A CN1069019A (zh) | 1993-02-17 |
CN1037600C true CN1037600C (zh) | 1998-03-04 |
Family
ID=4938551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 92100388 Expired - Lifetime CN1037600C (zh) | 1992-01-15 | 1992-01-15 | 1,1-二氟乙烷的改进分离提纯方法 |
Country Status (1)
Country | Link |
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CN (1) | CN1037600C (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1007393A3 (fr) | 1993-08-04 | 1995-06-06 | Solvay | Procede pour la preparation de 1-chloro-1-fluoroethane et/ou de 1,1-difluoroethane. |
US6809226B1 (en) | 1993-08-04 | 2004-10-26 | Solvay (Societe Anonyme) | Process for the preparation of 1-chloro-1-fluoroethane and/or 1,1-difluoroethane |
FR2718437B1 (fr) * | 1994-04-11 | 1996-06-28 | Solvay | Procédé de séparation du 1,1-difluoroéthane de ses mélanges avec le fluorure d'hydrogène. |
US5789633A (en) * | 1995-06-06 | 1998-08-04 | E. I. Du Pont De Nemours And Company | Azeotropic or azeotrope-like compositions of hydrofluoric acid with dihaloethanes |
US5672788A (en) * | 1995-06-07 | 1997-09-30 | E. I. Du Pont De Nemours And Company | Two-step process for manufacturing 1,1-difluoroethane |
US5714650A (en) * | 1995-06-07 | 1998-02-03 | E. I. Du Pont De Nemours And Company | Continuous manufacture of 1,1-difluoroethane |
US5545775A (en) * | 1995-08-25 | 1996-08-13 | Alliedsignal Inc. | Liquid phase process for the preparation of 1,1-difluoroethane |
WO1997025301A1 (en) * | 1996-01-05 | 1997-07-17 | E.I. Du Pont De Nemours And Company | Process for producing 1,1-difluoroethane |
EP0874794B1 (en) * | 1996-01-05 | 2000-08-30 | E.I. Du Pont De Nemours And Company | Manufacture of 1,1-difluoroethane |
FR2771737B1 (fr) | 1997-12-01 | 2000-02-04 | Solvay | Procedes de production et d'epuration de 1,1-difluoroethane et produit ainsi obtenu |
CN106492850A (zh) * | 2016-08-31 | 2017-03-15 | 山东华安新材料有限公司 | 一种烷烃催化剂的改性方法 |
-
1992
- 1992-01-15 CN CN 92100388 patent/CN1037600C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1069019A (zh) | 1993-02-17 |
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Legal Events
Date | Code | Title | Description |
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C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
OR01 | Other related matters | ||
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: 20020621 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20020621 Address after: No. 387, Tianmu Mountain Road, Zhejiang, Hangzhou Patentee after: Zhejiang Lantian Environment Protecting Sci-Tech Co., Ltd. Address before: Zhejiang province Hangzhou city left behind the entrance of the Provincial Chemical Research Institute Patentee before: Chemical Industry Inst. of Zhejiang Prov. |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20120115 Granted publication date: 19980304 |