JPS5448883A - Production of acrylamide polymer - Google Patents
Production of acrylamide polymerInfo
- Publication number
- JPS5448883A JPS5448883A JP11505677A JP11505677A JPS5448883A JP S5448883 A JPS5448883 A JP S5448883A JP 11505677 A JP11505677 A JP 11505677A JP 11505677 A JP11505677 A JP 11505677A JP S5448883 A JPS5448883 A JP S5448883A
- Authority
- JP
- Japan
- Prior art keywords
- acrylamide
- monomers
- added
- aqueous solution
- water
- 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
- Polymerisation Methods In General (AREA)
- Polymerization Catalysts (AREA)
Abstract
PURPOSE: To obtain an acrylamide polymer suitable for a soil conditioner, a coagulant for water treatment, a thickening agent, etc., having a molecular weight, improved water-solubility and coagulating effect, by polymerizing acrylamide monomers in the presence of a carbamic acid compound using an azo catalyst.
CONSTITUTION: A) Preferably a 5-30 per cent aqueous solution of acrylamide or its mixture with comonomers (e.g. acrylic acid, etc.), is prepared. B) A water- soluble azo catalyst (e.g. 4,4'-azobis-4-cyano-valeric acid, etc.), preferably 0.005-0.1 wt.% based on the monomers is added to the aqueous solution thus obtained. C) A compound of carbamic acid (e.g. ammonium carbamate) in an amount of 0.01-1 wt.% based on the monomers is added to the resulting solution, which is polymerized preferably at 15W45°C to give the desired acrylamide copolymer
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11505677A JPS5448883A (en) | 1977-09-24 | 1977-09-24 | Production of acrylamide polymer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11505677A JPS5448883A (en) | 1977-09-24 | 1977-09-24 | Production of acrylamide polymer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5448883A true JPS5448883A (en) | 1979-04-17 |
JPS5545083B2 JPS5545083B2 (en) | 1980-11-15 |
Family
ID=14653073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11505677A Granted JPS5448883A (en) | 1977-09-24 | 1977-09-24 | Production of acrylamide polymer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5448883A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10577985B2 (en) | 2014-09-26 | 2020-03-03 | Mitsubishi Hitachi Power Systems, Ltd. | Boiler, combined cycle plant, and boiler operation method |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5854235A (en) * | 1981-09-24 | 1983-03-31 | Matsushita Electric Ind Co Ltd | Disc brake |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5060599A (en) * | 1973-09-29 | 1975-05-24 |
-
1977
- 1977-09-24 JP JP11505677A patent/JPS5448883A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5060599A (en) * | 1973-09-29 | 1975-05-24 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10577985B2 (en) | 2014-09-26 | 2020-03-03 | Mitsubishi Hitachi Power Systems, Ltd. | Boiler, combined cycle plant, and boiler operation method |
Also Published As
Publication number | Publication date |
---|---|
JPS5545083B2 (en) | 1980-11-15 |
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