| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a water absorbency laminate resin foam having superior water absorbency, high in a piercing strength and a whole strength, and having superior droplet diffusion when the droplet is adhered, and to provide the water absorption lid, and the dew condensation prevention material. <P>SOLUTION: In the water absorbency laminate resin foam, a biodegradable resin film is stacked on the surface of the polystyrene resin water absorbency foam whose open cell ratio is ≥40%, an opening that reaches the polystyrene resin water absorbency foam is provided, and the piercing strengths other than the opening of the biodegradable resin film is ≥7N. <P>COPYRIGHT: (C)2013,JPO&INPIT |
