Superabsorbent polymer and preparation method thereof
US11466131B2 · kind B2 · utility
0Cited by
23References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 2019 |
| Grant date | Oct 11, 2022 |
| Priority date | — |
| Expiry date | Sep 17, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/013
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided are a superabsorbent polymer and a preparation method thereof, including preparing a base resin and conducting surface modification of the base resin in the presence of an inorganic filler. The method of preparing the superabsorbent polymer of the present invention may provide a superabsorbent polymer having improved rewetting property and liquid permeability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.