Synthesis, Characterization of High Toughness Hyperbranched Unsaturated Polyester of Flexible Aliphatic Side Chains

Abstract

Here, a new and special unsaturated Hyperbranched polymers (HBP) structure under unsaturation were developed for co-blocking of n-Hexanoic and acroleic acid in terms of making unsaturated resin, vinyl resin and bismaleimide resin to be more toughed by chemically inducing flexible long-chain of aliphatic acid into the crosslinking structure of the copolymerized modification of styrene. Abundant unsaturated double bonds can react with styrene and unsaturated resins to form a network configuration that can interpenetrate exhibiting high toughness and considerable flexible chain segments. In addition, HBP with free volume enables the resin molecules to move when loaded.