Configurational statistics of poly(dimethylsiloxane) accounting for all rotational states

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<jats:title>Abstract</jats:title><jats:p>Some configuration‐dependent properties of poly(dimethylsiloxane) are evaluated by taking into account the full rotational range around skeletal bounds (ars model). Allocation of fractional electronic charges to Si, O and C atoms and consequent coulombic interactions give an essential contribution to the interpretation of experimental data. A comparison is drawn with the rotational isomeric state (ris) model adopted by many authors. A substantial equivalence between the two models is detected in the study of long polymer chains while some detectable difference arises in the description of short sequences.</jats:p>

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