Abstract
In this study, we focus on the preparation, microstructures, and properties of polyurethane elastomers using polyether glycol, TDI and extender chain reagent. We find that the elastomers prepared using extender chain reagent exhibit excellent mechanical properties. Furthermore, by an optimum synthetic route, hard segments can be formed uniformly in the soft segments, leading to the perfect micro-phase separation. We also find that the relative molecular weight of polyether glycol can affect the mechancial properties of the synthesized polyurethane elastomers, i.e., the more relative molecular weight, the more soft segments, and the smaller tensile strength, rupture strength, and rigidity.
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