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  • 1
    Electronic Resource
    Electronic Resource
    Freely jointed chain with variable segment number and length (1995)
    Springer
    Colloid & polymer science 273 (1995), S. 32-37 
    Details
    ISSN: 1435-1536
    Keywords: Freely jointed chain ; stiff chain ; two-state model ; partition function ; force-extension relation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The configurational properties of a molecular chain are investigated. The chain consists of rigid rod segments, which are consecutively correlated. This correlation is described by a two-state model. In the first state, neighboring segments are freely hinged togethers whereas in the second state they are parallel. The partition function and the force-extension relation are calculated. They show significant differences as compared to the usual results for a freely jointed chain. Thus the experimentally observed force-extension relation of polymeric networks buil up of such chains might be affected.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00655671
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  • 2
    Electronic Resource
    Electronic Resource
    Force-length relation for a short freely jointed chain: mass and volume dependence (1991)
    Springer
    Colloid & polymer science 269 (1991), S. 1090-1098 
    Details
    ISSN: 1435-1536
    Keywords: Elastomer ; force-lengthrelation ; masseffect ; finitevolumeeffect ; dynamictreatment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract We evaluate the force-length relation for short model chains. It is shown that this relation is markedly different when evaluated for static and dynamic model chains with rigid segments. The relation also differs for chains with rigid segments when they are isolated and coupled to a canonical heatbath, respectively. Furthermore, it is derived that the variation of the masses along the chain only has a small influence on the force-length relation. On the other hand, restricting the motion of the chain by walls perpendicular to the chain extension has a pronounced effect. We especially find that in this situation the chain has a finite equilibrium length.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00654116
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    Paper (German National Licenses)
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