| 摘要 |
PROBLEM TO BE SOLVED: To provide a soft film, sponge or the like in a dry state, which can form a hydrogel by absorbing a water content and blood.SOLUTION: The film is used for forming a hydrogel containing polyacrylic acid and polyvinyl pyrrolidone, and can be obtained by preparing a film-shaped solid material in a dry state, from either a polyacrylic acid solution or a polyvinyl pyrrolidone solution, bringing the obtained film-shaped solid material into contact with another residual solution, and then drying the solid material. |
