Review.- Modification of Polymers.- Reactions and Preparations of Copolymers.- Polymer Modification via Repeating Unit Isomerization.- Chemical Modification of Poly(styrenesulfone).- The Effect of Additives for Accelerating Radiation Grafting: The Use of the Technique for Modification of Polymers Especially Polyolefins.- The Halogenation of Poly[isobutylene-co-(2, 3-dimethyl-l, 3-butadiene)].- Preparation and Properties of 2-Hydroxypropyl Methacrylate-Alkyl Aerylate Copolymer Net-works.- Poly(enol-ketone) from the Oxidation of Poly(vinyl alcohol).- Synthesis and Reaction of Poly(l, 3-octadienyl Iron Tricarbonyl).- Reactions and Preparation of Block and Graft Copolymers.- Single and Compound Crosslinking of Polymer Systems.- Grafting on Polyvinylchloride in Suspension Using Phase Transfer Catalysts or Solvents.- Control of Polymer Surface Structure by Tailored Graft Copolymers.- Preparations of Block Copolymers by Chemical Reactions on Leamellas of Partially Crystalline Flexible Polymers.- Graft Copolymerization of Maleic Anhydride onto Polyethylene.- Masterbatched Polyethylene-Clay Composites Prepared Through InSitu Graft Copolymerization of Maleic Anhydride.- Modification Through Condensation Reactions.- Reaction Variables in the Aqueous Solution Coordination of the Uranyl Ion with Polyacrylic Acid and Polysodium Acrylate.- Coordination of the Uranyl Ion Through Reaction with Aqueous Solutions Containing Polyacrylic Acid and Polysodium Acrylate-Structural Considerations.- Homogenous Chemical Modification of Cellulose: Further Studies on the DMSO-PF Solvent System.- Chemical Modification of Polysaccharides - Modification of Dextran Through Interfacial Condensation with Organostannane Halides.- Stable Polymer Eerified Sugar.- A New Polyblend: Polyesterimide Phenol-Formaldehyde Resin.- Chemical Modification of Poly(vinyl Chloroformate).- Modified Polysaccharides with Potential Anti-Arrhythmic Activity.- Variation on the Properties of Aromatic Polyesters by Changes in Isomer Distribution and Ring Substitution.- Calcium Ion-Selective Electrodes with Covalently-Bound Organophosphate Sensor Groups.- Dyed Sulfonated Polystyrene Films: Relationship of Triboelectric Charging and Molecular Orbital Energy Levels.- Organotin Polyimides: Structure-Property Relationships.- The Microstructure of Cyclized Polyisoprene.- Contributors.