| abstract |
The instant invention is directed to a bioerodible poly(ortho ester) thermoplastic elastomer prepared from: n (A) a diketene diacetal; n (B) a long-chain non-polar, flexible diol containing 4 to 22 carbon atoms; and n (C) a diol selected from the group consisting of: n (i) diols containing at least one functional group which produces hydrogen bonding or other association, and n (ii) rigid symmetrical diols. |