JPS5761009A - Highly water-swelling polymer - Google Patents
Highly water-swelling polymerInfo
- Publication number
- JPS5761009A JPS5761009A JP13699780A JP13699780A JPS5761009A JP S5761009 A JPS5761009 A JP S5761009A JP 13699780 A JP13699780 A JP 13699780A JP 13699780 A JP13699780 A JP 13699780A JP S5761009 A JPS5761009 A JP S5761009A
- Authority
- JP
- Japan
- Prior art keywords
- highly water
- copolymer
- swelling polymer
- vinylidene
- vinyl
- 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
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
PURPOSE: To obtain a highly water-swelling polymer by alkali-treating a specific acrylic copolymer.
CONSTITUTION: A copolymer, obtained by copolymerization of at least 30mol% one or more monomers (A) of the formula[where X is H or CH3, Y is CN, CONH2, COOH, COOM (M is an alkali metal), or COOR (R is an alkyl group)]and 0.5W 2.5mol% one or more of vinyl (vinylidene) bromide and vinyl (vinylidene) iodide (B), is treated with an aqueous alkali solution, e.g., of potassium hydroxide, sodium hydroxide, etc. The copolymer so treated can absorb water in an amount of approx. 2,000 times as much as its own weight without showing any fluidity.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13699780A JPS5761009A (en) | 1980-10-01 | 1980-10-01 | Highly water-swelling polymer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13699780A JPS5761009A (en) | 1980-10-01 | 1980-10-01 | Highly water-swelling polymer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5761009A true JPS5761009A (en) | 1982-04-13 |
Family
ID=15188369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13699780A Pending JPS5761009A (en) | 1980-10-01 | 1980-10-01 | Highly water-swelling polymer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5761009A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5912389A (en) * | 1996-04-17 | 1999-06-15 | Katayama Chemical, Inc. | Stabilizer and stabilizing method for aqueous aliphatic aldehyde solution |
-
1980
- 1980-10-01 JP JP13699780A patent/JPS5761009A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5912389A (en) * | 1996-04-17 | 1999-06-15 | Katayama Chemical, Inc. | Stabilizer and stabilizing method for aqueous aliphatic aldehyde solution |
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