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Analytic Model for Surface‐induced Molecular Weight Segregation in Thermoplastic Composites by Adriano B. Pangelinan; R. L. McCullough; Michael J. Kelley is a Materials Science article available to read on EtoBox.

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## Abstract An analytic model based on a random‐walk formulation for absorbing barriers is presented. The range of applicability of the model is established from results derived from Monte Carlo simulations. The model takes into account the influences of neutral, repulsive, and attractive polymer‐surface interactions on the spatial variation of species concentrations in the vicinity of a surface. The model predicts that the lower molecular weight species of a polydisperse mixture will accumulate in the vicinity of a surface to create an interphase region. The extent of this surface‐perturbed interphase region is on the order of three times the radius of gyration of the longest species of the mixture. The degree of molecular weight segregation is dependent upon the breadth of the molecular weight distribution. © 1994 John Wiley & Sons. Inc.

Who reads Analytic Model for Surface‐induced Molecular Weight Segregation in Thermoplastic Composites?

Author

Adriano B. Pangelinan; R. L. McCullough; Michael J. Kelley

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0887-6266)

Published

1994

Language

EN

Field

Materials Science (Physical Sciences)