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US 12,262,714 B2Granted
Superabsorbent polymer and preparation method thereof
AssigneeLG Chem, Ltd.
InventorsHaesung Yun, Hyungsam Choi, Dong Hyun Kim, Seonjung Jung, Ji Seok Lee, Jin Woo Lee, Jun Kyu Kim, Byungguk Kim, Sanggon Kim
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Abstract
Provided are both a superabsorbent polymer capable of continuously and safely exhibiting an improved bacterial growth inhibitory property and a deodorant property without deterioration in the physical properties of the superabsorbent polymer, such as water retention capacity, absorption under pressure, etc., as well as a preparation method for the superabsorbent polymer.
Claims11
A superabsorbent polymer comprising:
- a base polymer powder comprising a crosslinked polymer of water-soluble ethylene-based unsaturated monomers having acidic groups of which at least a part are neutralized, and a polymerizable antimicrobial monomer;
- and
- a surface crosslinked layer formed on the base polymer powder, in which the crosslinked polymer is additionally crosslinked by a surface crosslinking agent;
- wherein the polymerizable antimicrobial monomer comprises one or more of guanidine acrylate and salts thereof.
1 more element
Dependencies are inferred from the claim text.