Superabsorbent polymers and products therefrom
US5597873A · kind A · utility
131Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 25, 1995 |
| Grant date | Jan 28, 1997 |
| Priority date | — |
| Expiry date | May 25, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2810/30
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A surface crosslinked superabsorbent polymer composition, a process for its preparation and articles made therefrom wherein said superabsorbent composition is prepared by surface crosslinking the polymerization product of a carboxyl or carboxylate group containing monomer with a crosslinker solution comprising water, C.sub.3 -C.sub.6 diol and a crosslinking compound having at least two functional reactive groups with the carboxyl or carboxylate groups of said polymerization product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.