Abstract
The synthesis and viscometric behavior of poly(dimethylsiloxane-b-N-vinylpyrrolidone) in dilute to extremely dilute water solutions was investigated. The viscometric molecular weights, intrinsic viscosities and critical concentrations which separate the dilute-semi-dilute and dilute-extremely dilute regimes were studied. A dependence between reduced viscosity η sp /c and concentration for extremely dilute regime was found. The deviation from Huggins dependence is discussed.
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