JPS5323936A - Preparation of phenylenediamines - Google Patents
Preparation of phenylenediaminesInfo
- Publication number
- JPS5323936A JPS5323936A JP9543976A JP9543976A JPS5323936A JP S5323936 A JPS5323936 A JP S5323936A JP 9543976 A JP9543976 A JP 9543976A JP 9543976 A JP9543976 A JP 9543976A JP S5323936 A JPS5323936 A JP S5323936A
- Authority
- JP
- Japan
- Prior art keywords
- phenylenediamines
- preparation
- carrier
- reaction
- dinitrobenzenes
- 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
- 150000004986 phenylenediamines Chemical class 0.000 title 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 150000005182 dinitrobenzenes Chemical class 0.000 abstract 1
- 239000012052 hydrophilic carrier Substances 0.000 abstract 1
- 229910000510 noble metal Inorganic materials 0.000 abstract 1
- 239000012429 reaction media Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
PURPOSE: To prepare economically the title compounds by the reaction of dinitrobenzenes with hydrogen gas in water and/or a lower alcohol as reaction media in the presence of high concentration of noble metals supported on a carrier as catalysts diluted with a hydrophilic carrier.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9543976A JPS5323936A (en) | 1976-08-12 | 1976-08-12 | Preparation of phenylenediamines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9543976A JPS5323936A (en) | 1976-08-12 | 1976-08-12 | Preparation of phenylenediamines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5323936A true JPS5323936A (en) | 1978-03-06 |
Family
ID=14137723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9543976A Pending JPS5323936A (en) | 1976-08-12 | 1976-08-12 | Preparation of phenylenediamines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5323936A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0058335A2 (en) * | 1981-02-13 | 1982-08-25 | Bayer Ag | Diamines, process for their preparation, and their use as chain extenders in the production of polyurethane plastics |
-
1976
- 1976-08-12 JP JP9543976A patent/JPS5323936A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0058335A2 (en) * | 1981-02-13 | 1982-08-25 | Bayer Ag | Diamines, process for their preparation, and their use as chain extenders in the production of polyurethane plastics |
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