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Issue 6, 2011
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Rheological properties and molecular structure of polymer melts

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Abstract

An overview is given on relations between some features of the molecular structure of polymers and their viscous and elastic properties in the molten state. Moreover, it is discussed how the elongational behaviour of polymer melts can be affected by molecular parameters. Besides the effects of molar mass and molar mass distribution, more recent results on the influence of long-chain branching on rheological properties are presented. While relations between rheology and processing are addressed only shortly, the applications of the rheological investigations with respect to a molecular characterisation and to the detection of small amounts of long-chain branches, in particular, are discussed in more detail. Although obtained on materials of a rather simple molecular structure, the results described in this short review have the potential to be used for other polymeric materials in the field of soft matter, too.

Graphical abstract: Rheological properties and molecular structure of polymer melts

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Publication details

The article was received on 30 Aug 2010, accepted on 10 Nov 2010 and first published on 22 Dec 2010


Article type: Review Article
DOI: 10.1039/C0SM00891E
Citation: Soft Matter, 2011,7, 2273-2283
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    Rheological properties and molecular structure of polymer melts

    H. Münstedt, Soft Matter, 2011, 7, 2273
    DOI: 10.1039/C0SM00891E

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