Synopsis
Theoretical analysis of the deformation of a “one-entanglement network” as compared with “one-junction network” is given. The model which is a modification of the Flory-Rehner tetrahedron shows that the elastic behavior of an entanglement entrapped between permanent crosslinks is generally different than the behavior of a localized crosslink. Elastic effectivity of entanglements is lower than that of localized crosslinks and the more so the higher is the applied deformation. Some consequences for the form of the non-linear constitutive equation of rubber elasticity are indicated.
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Dedicated toHerman F. Mark on his 80th birthday
With 4 figures
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Ziabicki, A. Contribution of entrapped entanglements to equilibrium elasticity of rubber networks. Colloid & Polymer Sci 254, 1–5 (1976). https://doi.org/10.1007/BF01526734
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DOI: https://doi.org/10.1007/BF01526734