THE DOUBLE NETWORK, A MODEL DESCRIBING FILLED ELASTOMERS

REICHERT, WF and GORITZ, D and DUSCHL, EJ (1993) THE DOUBLE NETWORK, A MODEL DESCRIBING FILLED ELASTOMERS. POLYMER, 34 (6). pp. 1216-1221. ISSN 0032-3861,

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Abstract

The model presented here to describe the deformation behaviour of filled elastomers is based on the observation that deformation occurs inhomogeneously. As a result of extending a filled rubber, the filler particles become aligned in rows parallel to the stretching direction. The rows are connected to each other by strands emanating from the filler particles, forming a second network that is superimposed, on the molecular network. The stress-strain behaviour can be described by writing the stress as a superposition of stresses of the individual networks, sigma = (1 - PHI)sigma1 + PHIsigma2. The parameter PHI gives the volume fraction of strands between the filler particles. Macroscopic properties such as stress-strain behaviour or stress-induced crystallization of filled elastomers are described well by this model.

Item Type: Article
Uncontrolled Keywords: PRECIPITATION; SILICA; NETWORK MODEL; ELASTOMERS; REINFORCEMENT; FILLER; FULLY EXTENDED CHAINS; STRESS STRAIN BEHAVIOR; STRESS-INDUCED CRYSTALLIZATION
Depositing User: Dr. Gernot Deinzer
Last Modified: 19 Oct 2022 08:43
URI: https://pred.uni-regensburg.de/id/eprint/54211

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