Superabsorbent polymer and preparation method thereof
US10843170B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Feb 2, 2018 |
| Grant date | Nov 24, 2020 |
| Priority date | — |
| Expiry date | Feb 2, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2333/02
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A superabsorbent polymer having high centrifuge retention capacity and absorption rate prepared by using a particular foam stabilizer and a polymerization initiator. The foam stabilizer includes a sucrose ester and a polyalkylene oxide, and polymerization initiator includes a photoinitiator and a cationic azo-based initiator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.