## Molecular basis of polymer networks: proceedings of the 5th IFF-Ill Workshop, Jülich, Fed. Rep. of Germany, October 5-7, 1988The contributors to this volume appraise our knowledge of the molecular physics of polymer networks and pinpoint areas of research where significant advances can be made using new theories and techniques. They describe both theoretical approaches, based on new theoretical concepts and original network models, and recent experimental investigations using SANS, 2H NMR or QELS. These new techniques provide precise information about network behaviour at the molecular level. Reported results of the application of these and more traditional techniques include the microscopic conformation and properties of permanent networks or gels formed by specific interchain interactions, the behaviour of elastomer liquid crystals, and the static and dynamic properties of star-branched polymers. |

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Page 51

We call these tagged chains "

another advantage : the proportion of dangling ends is smaller than in the case of

end- linked precursor chains : a missing junction produces, in general, only a ...

We call these tagged chains "

**labelled paths**"' 8 , 9 , 1 0 1 . This procedure hasanother advantage : the proportion of dangling ends is smaller than in the case of

end- linked precursor chains : a missing junction produces, in general, only a ...

Page 52

q'Siqt Figure 4 : Kratky-Porod plots for

weights connected to networks (of same crosslinking density) deswollen by a

factor 10 (in volume), from a state where the chains gaussian. A Mw« 2.8 106 ...

q'Siqt Figure 4 : Kratky-Porod plots for

**labelled paths**of three different molecularweights connected to networks (of same crosslinking density) deswollen by a

factor 10 (in volume), from a state where the chains gaussian. A Mw« 2.8 106 ...

Page 53

Therefore, everything happens as if the junction pairs were feeling an "effective"

average deformation smaller than the macroscopic one and depending on the

length of the

not ...

Therefore, everything happens as if the junction pairs were feeling an "effective"

average deformation smaller than the macroscopic one and depending on the

length of the

**labelled path**to which they are connected. This conclusion shouldnot ...

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### Contents

Remarks | 2 |

The BaumgartnerMuthukumar Effect in Networks | 11 |

Statistical Mechanics of dDimensional Polymer Networks and Exact | 17 |

Copyright | |

13 other sections not shown

### Other editions - View all

Molecular Basis of Polymer Networks: Proceedings of the 5th IFF-ILL Workshop ... Artur Baumgärtner,Claude E. Picot No preview available - 2011 |

### Common terms and phrases

42 Molecular Basis anisotropy Basis of Polymer Bastide behaviour blends calculated carrageenan chain segments Chem chemical chemical potential configuration conformation constant constraints corresponding crosslinking curves deformation density dependence deswelling deuterated deviatoric distribution dynamics effect elastic free energy elementary strand elongation entanglements entropy equation equilibrium excluded volume experimental experiments exponent Flory Flory-Huggins Flory-Huggins theory fluctuations fractal dimension free chains free energy Gaussian gelation Gennes helix increases interaction parameter isotropic labelled paths layer length linear Macromolecules macroscopic measurements melt micronetworks modulus molecular weight monomers network chains neutron scattering observed obtained PDMS chains phantom network Phys polybutadiene polyelectrolyte Polymer Networks polymeric fractals polystyrene Proceedings in Physics properties radius of gyration ratio rod network Rouse model rubber elasticity S.F. Edwards sample scaling solution solvent Springer Proceedings star molecules star polymers swelling swollen temperature theory topological uniaxial values vector viscoelastic viscosity volume fraction