| 摘要 |
A medical freezer bag having a sufficient strength, which is not damaged at -196°C, the temperature of liquid nitrogen, and is excellent in low temperature resistance and molding processability, whole blood, body fluids, and cell suspension can be aseptically or nontoxically preserved at extremely low temperatures, is provided. The freezer bag is made from a three-layer film where both sides of an ultra-high molecular weight polyethylene film are welded respectively with a thermoplastic resin film having a lower melting point than that of the ultra-high molecular weight polyethylene and having compatibility with the ultra-high molecular weight polyethylene. |
