Abstract
AbstractThe gel melting temperature and crystallization kinetics of ultra‐high molecular weight polyethylene (UHMW‐PE)/decalin systems were investigated. Two methods were used to determine gel melting temperature; thermomechanical analysis (TMA) with a penetration probe and differential scanning calorimetry (DSC). The melting points determined from TMA and DSC were in good agreement, indicating that the crystallization of UHME‐PE is an essential step for gelation. The gel melting temperature increases with UHMW‐PE concentration. The change in gel melting temperature with composition results from interaction of the components in the amorphous phase. The gelation and crystallization rates increase with decreasing UHMW‐PE concentration.
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