The Effect of Polyurethane Composition and Processing History on Mechanical Properties (original) (raw)

Journal of Macromolecular Science, Part B, 2005

Abstract

Uniaxial stress‐strain behavior of a wide range of polyurethane elastomers was compared with current models of rubber‐like elasticity. Although the data could be described well by a semi‐empirical model, a systematic discrepancy was observed with more theoretically based models. This took the form of an additional energy term during deformation, which depended on the polyurethane composition. Microdomain fragmentation may provide

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