Patent ID: 11911744
Assignee: nan
Field: Pharmaceuticals (Chemistry)
Classification: CPC A  B  C | IPC A  B

Claim 0:
1. A method of preparing a superabsorbent material that comprises two or more water-soluble natural polysaccharides, comprising:
Combining the two or more water-soluble natural polysaccharides with water to form a mixture;
heating the mixture until the two or more polysaccharides are completely dissolved;
cooling the mixture to form a gel;
freezing the gel to obtain a frozen gel;
thawing the frozen gel to obtain a thawed gel; and
drying the thawed gel at a temperature of between 50° C. and 60° C. to obtain the superabsorbent material;
wherein the superabsorbent material has a volume expansion ratio of at least 5 in deionized water at 25° C.