Medical adhesive composition

摘要

A medical adhesive composition having as essential components a pressure sensitive adhesive component and a water absorbing component, the pressure sensitive adhesive component consisting of an elastomer comprised of a thermoplastic elastomer and an elastomer having a low compatibility with the thermoplastic elastomer, and a softener containing at least a liquid rubber and a tackifier. The medical adhesive composition has an excellent initial tack, it is subject to little or no cold flow or cracking in storage and in use, has improved flexibility and water absorbing characteristics and swells very little and retains its shape after absorption of water.