Polymer modifications represent a valuable synthetic approach to unique polymer compositions, structure, and properties not readily available by the direct polymerization of monomers. Modified polymeric products already exist in the commercial world (modified celluloses, for example) so the approach is not new. However, it is an interesting and chaU nging opportunity to develop new materials for a variety of specialty applications using the "chemistry on polymers" approach. This book contains papers presented at the symposium on Polymer Modification held at the National American Chemical...