Method for producing hydrogel particles
AssigneeKao Corporation
InventorsShinobu Hiramatsu, Katsutake Uehiro, Masanori Orita, Kimikazu Fukuda
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Abstract
Disclosed herein is a method for producing hydrogel particles including the steps of: solidifying an aqueous solution in which a gel agent forming a non-crosslinked hydrogel is dissolved and which has a gel point of 30° C. or more by putting the aqueous solution into a liquid phase having a temperature of equal to or lower than the gel point; and crushing a solidified product obtained by solidifying the aqueous solution in which the gel agent is dissolved.
Claims15
A method for producing hydrogel particles, the method comprising the steps of:
- dissolving a gel agent forming a non-crosslinked hydrogel in an aqueous solution, said aqueous solution of said gel agent having a gel point of 30° C. or more, and putting the aqueous solution into a liquid phase having a temperature of equal to or lower than the gel point, thereby solidifying said aqueous solution to form a solidified product;
- and subsequently
- crushing the solidified product obtained by solidifying the aqueous solution in which the gel agent is dissolved.
A method for producing a cosmetic product, the method comprising the steps of:
- solidifying an aqueous solution in which a gel agent forming a non-crosslinked hydrogel is dissolved and which has a gel point of 30° C. or more by putting the aqueous solution into a liquid phase having a temperature of equal to or lower than the gel point;
- and
- crushing a solidified product included in the liquid phase and obtained by solidifying the aqueous solution in which the gel agent is dissolved.
Dependencies are inferred from the claim text.