Absorbent resin particle, process for producing the same, absorber containing the same, and absorbent article
US8742023B2 · kind B2 · utility
8Cited by
6References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 24, 2009 |
| Grant date | Jun 3, 2014 |
| Priority date | — |
| Expiry date | Jul 14, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/1545
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
There is provided an absorbent resin particle having an absorption rate pattern where the rate is slow in the initial stage, moderate in the middle stage, and fast in the late stage, and there is also provided an absorbent article free from problems such as skin irritation by using the absorbent resin particle.The present invention relates to an absorbent resin particle comprising a crosslinked polymer (A1) including, as an essential constituent unit, a water-soluble vinyl monomer (a1) and/or a hydrolyzable vinyl monomer (a2), and a crosslinking agent (b),
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.