JPS577453A - Synthesis of acrylamide - Google Patents
Synthesis of acrylamideInfo
- Publication number
- JPS577453A JPS577453A JP8139780A JP8139780A JPS577453A JP S577453 A JPS577453 A JP S577453A JP 8139780 A JP8139780 A JP 8139780A JP 8139780 A JP8139780 A JP 8139780A JP S577453 A JPS577453 A JP S577453A
- Authority
- JP
- Japan
- Prior art keywords
- acrylonitrile
- water
- titled compound
- less
- copper catalyst
- 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.)
- Granted
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
PURPOSE: Acrylonitrile is catalytically hydrated in the presence of a copper catalyst to produce the titled compound of high quality that can make a stable aqueous solution and is used for high-molecular acrylamide polymers.
CONSTITUTION: In the presence of a copper catalyst such as metallic copper in the form of a powder of wire, acrylonitrile, which is previously extracted with water or subjected to extractive distillation with water to reduce acetonitrile content to less than 20ppm, is catalytically hydrated in a temperature range 100W140°C. Then, the product is purified by treating with a cation exchange resin to give the titled compound. The preferably weight ratio of acrylonitrile to water is 60:40W5:95.
EFFECT: The content of the unreacted acrylamide monomer, which is toxic, is reduced to less than 0.2wt% in the polymer.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8139780A JPS577453A (en) | 1980-06-18 | 1980-06-18 | Synthesis of acrylamide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8139780A JPS577453A (en) | 1980-06-18 | 1980-06-18 | Synthesis of acrylamide |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS577453A true JPS577453A (en) | 1982-01-14 |
JPS619303B2 JPS619303B2 (en) | 1986-03-22 |
Family
ID=13745164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8139780A Granted JPS577453A (en) | 1980-06-18 | 1980-06-18 | Synthesis of acrylamide |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS577453A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60165016A (en) * | 1984-02-06 | 1985-08-28 | 株式会社日本オ−トメ−シヨン | Method of regulating sensitivity of magnetic proximity switch |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4861424A (en) * | 1971-11-17 | 1973-08-28 | ||
JPS5291819A (en) * | 1976-01-28 | 1977-08-02 | Mitsui Toatsu Chem Inc | Purification of aqueous solutions of acrylamide |
-
1980
- 1980-06-18 JP JP8139780A patent/JPS577453A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4861424A (en) * | 1971-11-17 | 1973-08-28 | ||
JPS5291819A (en) * | 1976-01-28 | 1977-08-02 | Mitsui Toatsu Chem Inc | Purification of aqueous solutions of acrylamide |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60165016A (en) * | 1984-02-06 | 1985-08-28 | 株式会社日本オ−トメ−シヨン | Method of regulating sensitivity of magnetic proximity switch |
Also Published As
Publication number | Publication date |
---|---|
JPS619303B2 (en) | 1986-03-22 |
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