JPS57121007A - Preparation of water-soluble polymer - Google Patents
Preparation of water-soluble polymerInfo
- Publication number
- JPS57121007A JPS57121007A JP648181A JP648181A JPS57121007A JP S57121007 A JPS57121007 A JP S57121007A JP 648181 A JP648181 A JP 648181A JP 648181 A JP648181 A JP 648181A JP S57121007 A JPS57121007 A JP S57121007A
- Authority
- JP
- Japan
- Prior art keywords
- water
- meth
- polymerizing
- aqueous solution
- polymerization initiator
- 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
Abstract
PURPOSE: To prepare a polymer having excellent solubility in water, by polymerizing an aqueous solution of a monomer mixture composed mainly of a water-soluble ethylenic unsaturated monomer, in the presence of a heavy metal salt and a reducing inorganic phosphorus compound using an azo compound as a polymerization initiator.
CONSTITUTION: The objective polymer is prepared by polymerizing (A) one or more water-soluble ethylenic unsaturated monomers selected from (meth)acrylamide, (meth)acrylic acid and aminoalkyl (meth)acrylate, or a monomer mixture containing the above monomers as main components, in an aqueous solution in the presence of (B) a heavy metal salt such as ferric sulfate and/or a reducing inorganic phosphorus compound such as metaphosphoric acid or its sodium salt using (C) 2,2'-azobis-N,N'-dimethyleneisobutylamidine hydrochloride etc. as a polymerization initiator.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP648181A JPS57121007A (en) | 1981-01-21 | 1981-01-21 | Preparation of water-soluble polymer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP648181A JPS57121007A (en) | 1981-01-21 | 1981-01-21 | Preparation of water-soluble polymer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57121007A true JPS57121007A (en) | 1982-07-28 |
JPH0118936B2 JPH0118936B2 (en) | 1989-04-07 |
Family
ID=11639659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP648181A Granted JPS57121007A (en) | 1981-01-21 | 1981-01-21 | Preparation of water-soluble polymer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57121007A (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5527563A (en) * | 1978-08-19 | 1980-02-27 | Tokico Ltd | Mechanical disc brake |
JPS5592711A (en) * | 1979-01-08 | 1980-07-14 | Mitsubishi Chem Ind Ltd | Preparation of polyacrylamide |
JPS56103210A (en) * | 1980-01-21 | 1981-08-18 | Mitsubishi Gas Chem Co Inc | Preparation of water-soluble cationic polymer |
-
1981
- 1981-01-21 JP JP648181A patent/JPS57121007A/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5527563A (en) * | 1978-08-19 | 1980-02-27 | Tokico Ltd | Mechanical disc brake |
JPS5592711A (en) * | 1979-01-08 | 1980-07-14 | Mitsubishi Chem Ind Ltd | Preparation of polyacrylamide |
JPS56103210A (en) * | 1980-01-21 | 1981-08-18 | Mitsubishi Gas Chem Co Inc | Preparation of water-soluble cationic polymer |
Also Published As
Publication number | Publication date |
---|---|
JPH0118936B2 (en) | 1989-04-07 |
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