Water absorbing agent and production method thereof
US8647528B2 · kind B2 · utility
0Cited by
15References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 6, 2009 |
| Grant date | Feb 11, 2014 |
| Priority date | — |
| Expiry date | Mar 6, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L101/14
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides a water absorbing agent that is excellent in a balance between a centrifugal retention capacity (CRC) and a saline flow conductivity (SFC), and a method for producing the water absorbing agent.The method for producing the water absorbing agent, the method comprising mixing (i) a water absorbing resin (A) and (ii) a polymer (B) being a polyamine polymer having a hydroxyl group on a main chain provides a water absorbing agent containing (i) the water absorbing resin (A) and (ii) the polymer (B) being a polyamine polymer having a hydroxyl group on a main chain.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.