Process for the preparation of amphiphilic poly (n-vinyl-2-pyrrolidone) block copolymers
摘要
<p>The instant invention provides a two-step polymerization process for preparing amphiphilic poly(N-vinyl-2 pyrrolidone), (PVP)-block-polyester copolymers and other diblock and triblock copolymers consisting of PVP as one block. The block copolymers of the invention can be used as vehicles for drug delivery.</p>
