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Title: Analysis of butyl acrylate diffusion in a polystyrene matrix in the gradient polymer formation region
Author: Jasso-Gastinel Carlos, F.
Valdez-Ortiz Jesus
Perez-Lopez Juan, H.
Laguna-Castellanos Ovidio
Issue Date: 1994
Abstract: The diffusion phenomena in the formation of gradient polymers is studied. The gradient polymers were made from polymer blends accomplished by sequential polymerization. A mass transfer model to predict the monomer sorption in a polymer matrix in the glassy region is presented. The diffusion coefficients were evaluated at different temperatures and compared with values obtained with Fick's equation. Another model takes into consideration to estimate surface concentration changes.
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