Patent ID: 11952455
Assignee: ALCARE CO., LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  A | IPC A  C

Claim 0:
1. A foam prepared by foaming and reacting a mixture comprising:
at least one polyol;
a compound having at least one isocyanate group; and
a hydrophilic polymer, wherein the hydrophilic polymer contains at least calcium alginate and 10 to 20.5 mass % water, wherein:
the foam is generated due to the reaction of water contained in the hydrophilic polymer,
the foam does not contain any surfactant, and
the mixture comprises:
25 to 80 mass % of the at least one polyol;
5 to 30 mass % of the compound having at least one isocyanate group; and
5 to 50 mass % of the hydrophilic polymer.