The Impact of Regiodefects on the Melt‐Memory of Isotactic Polypropylene
Alessandra Cicolella,
Claudio De Rosa,
Eleonora Sepe
et al.
Abstract:The memory of crystalline phase in the melt of isotactic polypropylene (iPP) in regiodefective samples of iPP characterized by different concentrations regiodefects, constituted by secondary 2,1 propene units, has been studied. The self‐nucleation (SN) experiments have demonstrated that the presence of 2,1 regiodefects produces a strong memory of the crystalline phase in the melt that persists up to temperatures much higher than the melting temperature. The extension of the heterogeneous melt (domain II) conta… Show more
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