Lerner, David, Littenberg, Krumholz & Mentlik, LLP
Super absorbent polymer and preparation method thereof
The present disclosure relates to a super absorbent polymer, including: a base resin powder comprising a first cross-linked polymer of a water soluble ethylene-based unsaturated monomer containing acidic groups which are at least partially neutralized; and a surface cross-linked layer comprising a second cross-linked polymer further cross-linked from the first cross-linked polymer and formed on the base resin powder, wherein the first cross-linked polymer is bound to a porous zeolite in which a mesopore having a BET surface area of at least 100 m2/g and a porosity of at least 0.2 cm3/g is formed, and a preparation method thereof.
LG Chem, Ltd.
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Hyo Sook Gi Cheul Ju Eun Hyeon Ki Youl
Joo Kim Kim Choi Yoon